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Current problemLeakage localization in TSV insulating liners
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Engineering conditions

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For “Leakage localization in TSV insulating liners”, add details that may change the assessment order and check the basis and limits of each candidate.

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Engineering conditions

Use 5 key conditions to see how the assessment order changes.

First confirm the TSV-to-silicon bulk topology, aggregate geometry, and low-current background, then compare liner depth and process contamination using controls that have not undergone breakdown. Unknowns remain pending confirmation; “assessable” means only that method inputs are complete, not that a diagnosis has been made or qualification passed.

Confirmed: 0 / 5 conditions0 paths ready for initial assessment

Path and measurements

Depth and process

All path assessments

Live assessment

Current assessment order

Paths ready for initial assessment appear first
01
Verify TSV-to-bulk low-current measurements

First add electrode and TSV topology, background, and original bias history.

Unconfirmed: Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?; Do measurements include guarding or shielding, an empty-fixture background, settling, and environmental controls?; Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?
Conditions unconfirmed
02
Sample liner depth and targeted integrity

First add controls without breakdown, locations, and preparation controls.

Unconfirmed: Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?; Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?; Is sampling aligned with liner depth, density, wafer location, and normal controls?
Conditions unconfirmed
03
Liner / contamination process comparisons

First add valid measurements and original samples from each stage.

Unconfirmed: Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?; Do measurements include guarding or shielding, an empty-fixture background, settling, and environmental controls?; Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?; Are comparable histories available for via formation, liner deposition, seed deposition, copper filling, and contamination sampling?
Conditions unconfirmed

candidate solutions

Assessment with your current conditions

Assessment order does not indicate endorsement or performance
Assess the setup for TSV-to-bulk low-current measurementsTektronix / KeithleyFirst add electrode and TSV topology, background, and original bias history.
Conditions unconfirmed
Assess targeted TSV liner cross-sections and material analysisASEFirst add controls without breakdown, locations, and preparation controls.
Conditions unconfirmed
Joint review of leakage paths, liners, and contaminationBLNKK engineering review request (provider unconfirmed)First add electrode and TSV topology, background, and original bias history.
Conditions unconfirmed
B1500A low-current I–V characterizationKeysight TechnologiesFirst add electrode and TSV topology, background, and original bias history.
Conditions unconfirmed
Producer InVia TSV dielectric-liner depositionApplied MaterialsFirst add valid measurements and original samples from each stage.
Conditions unconfirmed
EVOLVITY 300 contact/environment platform for TSV leakage measurementsFormFactorFirst add electrode and TSV topology, background, and original bias history.
Conditions unconfirmed
SPTS Osprey TSV dielectric-liner PECVDKLAFirst add valid measurements and original samples from each stage.
Conditions unconfirmed
TOK PMER P-CY1000 deep-silicon-etch resistTokyo Ohka Kogyo Co., Ltd.First add valid measurements and original samples from each stage.
Conditions unconfirmed
KOBUS F.A.S.T. silicon-oxide TSV linersPlasma-ThermFirst add valid measurements and original samples from each stage.
Conditions unconfirmed
PHEMOS-X electrical fault localizationHamamatsu PhotonicsFirst add controls without breakdown, locations, and preparation controls.
Conditions unconfirmed
4200A-SCS low-current TSV leakage characterizationKeithley InstrumentsFirst add electrode and TSV topology, background, and original bias history.
Conditions unconfirmed
SENresearch 4.0 representative liner-film comparisonSENTECH InstrumentsFirst add valid measurements and original samples from each stage.
Conditions unconfirmed
Striker conformal TSV dielectric linersLam ResearchFirst add valid measurements and original samples from each stage.
Conditions unconfirmed

The order changes only with conditions you confirm. Public information cannot establish suitability for your actual samples.

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Results only change the order of the next investigation; they do not modify condition answers, prove a root cause, or qualify a solution.

BLNKK editorial notes

Current assessment and next steps

Based on reported conditions and public sources. Ready to assess does not establish sample applicability or root cause. Order does not identify the best solution.

Known conditions · 0

    Key unknowns · 5

    • Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?A TSV array yields a parallel aggregate value; electrode area, count, density, and substrate doping cannot be ignored. Arbitrary package leakage or chain Rc is not evidence about the liner.
    • Do measurements include guarding or shielding, an empty-fixture background, settling, and environmental controls?Guarding and shielding are different; first record cable and fixture leakage, background, and wait time. A low reading alone does not establish that a liner passes.
    • Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?The study's -1 V accumulation condition applies only to its doped structure and is not a universal test voltage; samples damaged by breakdown cannot be used to represent original leakage.
    • Is sampling aligned with liner depth, density, wafer location, and normal controls?SEM thickness is an estimate affected by sample preparation; record artifacts such as cracks and smearing. One cross-section does not establish liner integrity throughout a via.
    • Are comparable histories available for via formation, liner deposition, seed deposition, copper filling, and contamination sampling?First retain upstream, normal, and uncleaned controls; a material-analysis signal alone cannot prove that contamination caused leakage.

    Paths to assess

    More conditions needed

    Verify TSV-to-bulk low-current measurements

    First add electrode and TSV topology, background, and original bias history.

    • Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?
    • Do measurements include guarding or shielding, an empty-fixture background, settling, and environmental controls?
    • Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?
    Conditions that change this path
    • Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?Supports assessment: TSV / bulk topology, geometry, and doping are defined · Unsuitable for now: Only total package leakage or chain resistance is available
    • Do measurements include guarding or shielding, an empty-fixture background, settling, and environmental controls?Supports assessment: Background, timing, and environmental controls are comparable · Unsuitable for now: Fixture leakage, background, and settling have not been separated
    • Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?Supports assessment: Bias history is defined and controls without breakdown are available · Unsuitable for now: History is unknown or only post-breakdown samples remain
    More conditions needed

    Sample liner depth and targeted integrity

    First add controls without breakdown, locations, and preparation controls.

    • Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?
    • Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?
    • Is sampling aligned with liner depth, density, wafer location, and normal controls?
    Conditions that change this path
    • Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?Supports assessment: TSV / bulk topology, geometry, and doping are defined · Unsuitable for now: Only total package leakage or chain resistance is available
    • Are bias polarity, sweep, compliance, duration, and prior stress traceable, with controls retained that have not undergone breakdown?Supports assessment: Bias history is defined and controls without breakdown are available · Unsuitable for now: History is unknown or only post-breakdown samples remain
    • Is sampling aligned with liner depth, density, wafer location, and normal controls?Supports assessment: Depth, density, location, and preparation controls are defined · Unsuitable for now: Only an untargeted general cross-section is available

    What to do next

    No result provided. Clarify key conditions before arranging an assessment.

    1. Are measurements explicitly connected from TSV copper to the silicon bulk, with electrode details, TSV count or density, and substrate doping recorded?

    What to prepare

    • TSV array / bulk contacts; Electrode area, count, density, and doping; Background, compliance, duration, and stress history
    • Normal and anomalous samples that have not undergone breakdown; Bulk path and depth / density coordinates; Sample preparation and permitted destructive scope

    Questions to discuss

    • How do electrode area, TSV count or density, and substrate doping affect the aggregate measurement?
    • Are guarding, background, settling, compliance, and stress history comparable?

    Public references

    Fraunhofer / SPTS authors / IMAPSource · Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications ↗Specific PECVD test structures studied in 2018; voltages, thicknesses, and breakdown fields must not be transferred. Post-breakdown samples do not represent the original leakage state.

    Tektronix / Keithley · Optimizing Low Current Measurements with the 4200A-SCS Parameter Analyzer ↗General measurement methods do not localize liner defects; valid backgrounds and accessible TSV / bulk contacts still require case-specific verification.

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    Related solutions

    13 candidate solutions

    Grouped by purpose. The order does not indicate endorsement, performance or sample suitability.
    Selected: 0 / 3 solutionsAdd any solution below to compare. You can compare up to 3 at a time.
    Select at least 2 solutions
    01
    Assess the setup for TSV-to-bulk low-current measurementsPublicly documented methods / capabilitiesPublic information compiled by BLNKK · Participation and sample applicability to be confirmed

    Assess the setup for TSV-to-bulk low-current measurements

    Tektronix / Keithley

    Published guarding and background methods can support measurement needs once topology and original bias conditions have been confirmed.

    Basis: Tektronix / Keithley：Optimizing Low Current Measurements with the 4200A-SCS Parameter Analyzer；Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications
    Tektronix / Keithley：Optimizing Low Current Measurements with the 4200A-SCS Parameter Analyzer ↗Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueCatalogue entry pending

    The reviewed public information describes a workflow. It has not been linked to a specific product in the BLNKK solution catalogue.

    Sample or process prerequisites
    • TSV array / bulk contacts
    • Electrode area, count, density, and doping
    • Background, compliance, duration, and stress history
    Exclusions
    • Treating the study's -1 V as a universal operating voltage
    • Treating a parallel aggregate value directly as single-via resistance
    Primary sources behind these assessmentsTektronix / Keithley：Optimizing Low Current Measurements with the 4200A-SCS Parameter Analyzer ↗Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications ↗
    View related Q&A
    02
    Assess targeted TSV liner cross-sections and material analysisPublicly documented methods / capabilitiesPublic information compiled by BLNKK · Participation and sample applicability to be confirmed

    Assess targeted TSV liner cross-sections and material analysis

    ASE

    Location- and depth-targeted FIB and material sampling can be planned for retained samples, with artifact controls preserved.

    Basis: ASE：Failure Analysis Lab；Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications
    ASE：Failure Analysis Lab ↗Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueCatalogue entry pending

    The reviewed public information describes a workflow. It has not been linked to a specific product in the BLNKK solution catalogue.

    Sample or process prerequisites
    • Normal and anomalous samples that have not undergone breakdown
    • Bulk path and depth / density coordinates
    • Sample preparation and permitted destructive scope
    Exclusions
    • Treating breakdown cracks as original defects
    • Extrapolating an untargeted cross-section to the whole wafer's liner
    Primary sources behind these assessmentsASE：Failure Analysis Lab ↗Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications ↗
    View related Q&A
    03
    Joint review of leakage paths, liners, and contaminationEditorial research / Service availability to be confirmedPublic information compiled by BLNKK · Participation and sample applicability to be confirmed

    Joint review of leakage paths, liners, and contamination

    BLNKK engineering review request (provider unconfirmed)

    Compare integrity and contamination hypotheses only when valid measurements, retained depth samples, and stage controls are all available.

    Basis: Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications；Tektronix / Keithley：Optimizing Low Current Measurements with the 4200A-SCS Parameter Analyzer；KLA / SPTS：SPTS Etch and Deposition Processes for Advanced Packaging；ASE：Failure Analysis Lab
    Fraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications ↗Tektronix / Keithley：Optimizing Low Current Measurements with the 4200A-SCS Parameter Analyzer ↗KLA / SPTS：SPTS Etch and Deposition Processes for Advanced Packaging ↗ASE：Failure Analysis Lab ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueCatalogue entry pending

    The reviewed public information describes a workflow. It has not been linked to a specific product in the BLNKK solution catalogue.

    Sample or process prerequisites
    • Valid TSV-to-bulk I-V
    • Depth / density sampling without prior breakdown
    • Stage controls from via formation through copper filling
    Exclusions
    • Labeling arbitrary package leakage as liner breakdown
    • Declaring contamination the sole root cause as soon as it is detected
    Primary sources behind these assessmentsFraunhofer / SPTS authors / IMAPSource：Electrical Characterization of Low Temperature PECVD Oxides for TSV Applications ↗Tektronix / Keithley：Optimizing Low Current Measurements with the 4200A-SCS Parameter Analyzer ↗KLA / SPTS：SPTS Etch and Deposition Processes for Advanced Packaging ↗ASE：Failure Analysis Lab ↗
    View related Q&A
    04
    Supporting analysis or measurementPublic product; project suitability to confirmBLNKK public-source review · Applicability unconfirmed

    B1500A low-current I–V characterization

    Keysight Technologies

    Leakage in TSV or insulation test structures requires bias/current comparisons and measurement-validity checks.

    Basis: Keysight’s product page and August 17, 2026 datasheet describe module choices, distinguishing resolution from accuracy under specified conditions.
    Keysight Technologies：B1500A low-current I–V characterization ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    Keysight TechnologiesB1500A low-current I–V characterizationOpen solution details →
    Sample or process prerequisites
    • Contactable structures such as TSV-to-bulk coupons, with suitable terminals, guarding and low-leakage fixtures.
    Exclusions
    • Scope and limitations IV alone cannot distinguish liner pinholes, contamination or cracks, or locate defect depth. Nominal resolution is not measurement accuracy or the complete setup’s usable leakage floor. What to prepare BLNKK suggests documenting contacts, bias/current compliance, expected leakage, temperature, guarding and fixture-blank results. Confirm with the supplier Confirm SMUs/options, fixtures, wiring, integration/settling times, practical measurement floor, calibration and the required low-current environment.
    Primary sources behind these assessmentsKeysight Technologies：B1500A low-current I–V characterization ↗
    View related Q&A
    05
    Direct candidatePublicly offered; confirm project configuration and availabilityBLNKK public-source review · Applicability unconfirmed

    Producer InVia TSV dielectric-liner deposition

    Applied Materials

    Assess dielectric coverage through TSV depth when evaluating deposition conditions and leakage risk.

    Basis: The InVia page documents liner deposition. The separate HBM page describes InVia 2, whose specifications require version-specific confirmation.
    Applied Materials：Producer InVia TSV dielectric-liner deposition ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSame catalogued solution
    Applied MaterialsProducer InVia TSV dielectric-liner depositionOpen solution details →
    Sample or process prerequisites
    • The product page lists via-first, via-middle and interposer TSVs; configuration depends on geometry, thermal budget and film requirements.
    Exclusions
    • Scope and limitations Tool claims do not qualify a user TSV or repair existing liner defects. Temperature and deposition capabilities must be checked for the actual generation. What to prepare BLNKK suggests preparing via geometry, sidewall condition, target thickness, pretreatment and thermal budget, plus depth-resolved coverage, leakage and interface observations. Confirm with the supplier Confirm version, dielectric and deposition window, coverage and electrical test conditions, downstream compatibility and sample-validation plans.
    Primary sources behind these assessmentsApplied Materials：Producer InVia TSV dielectric-liner deposition ↗
    View related Q&A
    06
    Supporting analysis or measurementPublicly offered; confirm configuration and availabilityBLNKK public-source review · Applicability unconfirmed

    EVOLVITY 300 contact/environment platform for TSV leakage measurements

    FormFactor

    Separate TSV leakage from contact, fixture and environmental background currents.

    Basis: The April 8, 2025 release documents semi-automated RF/DC characterization and measurement-assistant compatibility.
    FormFactor：EVOLVITY 300 contact/environment platform for TSV leakage measurements ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    FormFactorEVOLVITY 300 contact/environment platform for TSV leakage measurementsOpen solution details →
    Sample or process prerequisites
    • Supplier-positioned 300 mm wafer characterization; proposed TSV use needs accessible, independently biased test pads.
    Exclusions
    • Scope and limitations The station is not a complete low-current instrument. RF/DC use does not establish TSV leakage sensitivity, and current alone does not localize buried liner defects. What to prepare BLNKK suggests preparing pads, bias/current ranges, instruments, guarding, temperature/humidity, background and settling times. Confirm with the supplier Confirm contact, shielding/guarding, thermal configuration and instrument integration; use blank/reference structures to verify measurement floor, stability and repeatability.
    Primary sources behind these assessmentsFormFactor：EVOLVITY 300 contact/environment platform for TSV leakage measurements ↗
    View related Q&A
    07
    Direct candidatePublicly offered; confirm project configuration and availabilityBLNKK public-source review · Applicability unconfirmed

    SPTS Osprey TSV dielectric-liner PECVD

    KLA

    Compare liner film quality, stress and thermal budget.

    Basis: The current named Osprey section documents dielectrics, stress tuning and TSV-liner use.
    KLA：SPTS Osprey TSV dielectric-liner PECVD ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSame catalogued solution
    KLASPTS Osprey TSV dielectric-liner PECVDOpen solution details →
    Sample or process prerequisites
    • Official scope includes via-last TSV liners; confirm geometry, materials, thickness and configuration-dependent coverage.
    Exclusions
    • Scope and limitations Published applications do not qualify every high-aspect-ratio via for leakage/breakdown. Temperature/stress performance depends on material, recipe and chamber configuration. What to prepare BLNKK suggests geometry, thickness, existing stacks, thermal budgets and electrical targets, with sidewall/interface and leakage/breakdown comparisons. Confirm with the supplier Confirm materials/recipes, temperature/stress windows, degas options, coverage and electrical/interface validation methods.
    Primary sources behind these assessmentsKLA：SPTS Osprey TSV dielectric-liner PECVD ↗
    View related Q&A
    08
    Supporting analysis or measurementPublicly offered; confirm configuration and availabilityBLNKK public-source review · Applicability unconfirmed

    TOK PMER P-CY1000 deep-silicon-etch resist

    Tokyo Ohka Kogyo Co., Ltd.

    Assess an upstream deep-Si etch mask in a TSV liner-leakage investigation, separating sidewall/residue checks from later dielectric coverage.

    Basis: TOK provides a crack-resistance example, not a validated liner-coverage or leakage result for your TSV.
    Tokyo Ohka Kogyo Co., Ltd.：TOK PMER P-CY1000 deep-silicon-etch resist ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    Tokyo Ohka Kogyo Co., Ltd.TOK PMER P-CY1000 deep-silicon-etch resistOpen solution details →
    Sample or process prerequisites
    • TOK lists MEMS/TSV deep etching. Confirm the grade for actual holes, mask thickness and Bosch/non-Bosch conditions.
    Exclusions
    • Scope and limitations Mask crack resistance does not establish smooth sidewalls, continuous liners or acceptable leakage. Example conditions are not a universal process window or a repair. What to prepare BLNKK suggests preparing hole dimensions, mask thickness/pattern, chemistry and temperature history. Preserve post-strip sidewall/residue images and correlate available liner sections or leakage locations. Confirm with the supplier Confirm etch/mask compatibility, example applicability and stripping. Agree on sidewall/residue and subsequent liner checks; leakage requires separate electrical validation.
    Primary sources behind these assessmentsTokyo Ohka Kogyo Co., Ltd.：TOK PMER P-CY1000 deep-silicon-etch resist ↗
    View related Q&A
    09
    Supporting analysis or measurementPublicly offered; confirm project configuration and availabilityBLNKK public-source review · Applicability unconfirmed

    KOBUS F.A.S.T. silicon-oxide TSV liners

    Plasma-Therm

    TSV-liner leakage comparison needs deposition separated from via geometry and electrical background.

    Basis: The linked product/process pages describe thicker conformal films and 2.5D/3D TSV liners.
    Plasma-Therm：KOBUS F.A.S.T. silicon-oxide TSV liners ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    Plasma-ThermKOBUS F.A.S.T. silicon-oxide TSV linersOpen solution details →
    Sample or process prerequisites
    • SiO₂ TSV liners are explicitly documented; assess geometry, wafer format and thermal budget.
    Exclusions
    • Scope and limitations F.A.S.T. is not for every application. Thicker conformal-film descriptions do not establish ALD-level coverage for every via, freedom from pinholes or leakage/breakdown qualification. What to prepare BLNKK suggests preparing via geometry, surface/cleaning history, target film/thermal budget, electrical topology, current background and unbroken controls. Confirm with the supplier Confirm chemistry/configuration, depth-dependent coverage and contamination assessment, plus representative-via insulation, leakage and breakdown tests.
    Primary sources behind these assessmentsPlasma-Therm：KOBUS F.A.S.T. silicon-oxide TSV liners ↗
    View related Q&A
    10
    Supporting analysis or measurementPublicly offered; confirm configuration and scopeBLNKK public-source review · Applicability unconfirmed

    PHEMOS-X electrical fault localization

    Hamamatsu Photonics

    Narrow the sampling area after a repeatable leakage failure.

    Basis: The official page and July 2025 brochure describe emission, thermal lock-in and optional laser/TD imaging.
    Hamamatsu Photonics：PHEMOS-X electrical fault localization ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    Hamamatsu PhotonicsPHEMOS-X electrical fault localizationOpen solution details →
    Sample or process prerequisites
    • Use semiconductor fault localization with reproducible electrical stimulation, optical access and appropriate detector configurations.
    Exclusions
    • Scope and limitations Detectability varies with samples and configuration. Localization does not measure TSV liner depth or establish root cause. What to prepare BLNKK recommends preparing leakage curves, bias conditions and sample/metal-layer information, with reference samples and subsequent cross-section plans. Confirm with the supplier Confirm detectors, optical access, bias/probing and required laser or TD options; check signal detectability on actual samples.
    Primary sources behind these assessmentsHamamatsu Photonics：PHEMOS-X electrical fault localization ↗
    View related Q&A
    11
    Supporting analysis or measurementPublicly offered; confirm configuration and scopeBLNKK public-source review · Applicability unconfirmed

    4200A-SCS low-current TSV leakage characterization

    Keithley Instruments

    Separate TSV leakage changes from connection, capacitance and measurement-setting effects.

    Basis: Official product and application pages describe module choices and connection-capacitance effects, not a TSV-liner acceptance criterion.
    Keithley Instruments：4200A-SCS low-current TSV leakage characterization ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    Keithley Instruments4200A-SCS low-current TSV leakage characterizationOpen solution details →
    Sample or process prerequisites
    • Accessible electrodes and the expected current, bias and probe-station configuration determine the SMU, preamp and test method.
    Exclusions
    • Scope and limitations Resolution is not the setup noise floor. Verify capacitance, waiting time and bias on the actual sample; leakage alone establishes neither root cause nor reliability. What to prepare BLNKK suggests preparing electrode/connection diagrams, expected bias/current, cable and probe-station details, reference samples and current-versus-time records. Confirm with the supplier Confirm SMU/preamp, guarding, capacitance handling, ranges and settling procedure. Agree on sample-based checks of noise, repeatability and safe bias.
    Primary sources behind these assessmentsKeithley Instruments：4200A-SCS low-current TSV leakage characterization ↗
    View related Q&A
    12
    Supporting analysis or measurementPublicly offered; confirm configuration and scopeBLNKK public-source review · Applicability unconfirmed

    SENresearch 4.0 representative liner-film comparison

    SENTECH Instruments

    Build traceable thickness and optical-property comparisons on representative TSV-liner films.

    Basis: Official pages describe dielectric-stack measurements and model/fit/report workflows, not validated deep-TSV sidewall or leakage assessment.
    SENTECH Instruments：SENresearch 4.0 representative liner-film comparison ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    SENTECH InstrumentsSENresearch 4.0 representative liner-film comparisonOpen solution details →
    Sample or process prerequisites
    • Use optically measurable planar reference samples; choose spectral, angle and mapping configurations for the stack and surface.
    Exclusions
    • Scope and limitations Results depend on model and parameter constraints. Planar-film measurements establish neither deep-sidewall coverage nor leakage or contamination directly. What to prepare BLNKK suggests preparing the film/substrate stack, expected thickness, surface condition, process and reference-thickness data. Retain controls, raw spectra and fit models. Confirm with the supplier Confirm spectral/angle configuration, options, sample suitability and treatment of roughness or backside reflections. Agree on an independent reference check and measurement repeatability.
    Primary sources behind these assessmentsSENTECH Instruments：SENresearch 4.0 representative liner-film comparison ↗
    View related Q&A
    13
    Supporting analysis or measurementPublicly offered; confirm project configuration and availabilityBLNKK public-source review · Applicability unconfirmed

    Striker conformal TSV dielectric liners

    Lam Research

    TSV leakage assessment requires comparison of depth-dependent liner coverage and dielectric properties, not nominal thickness alone.

    Basis: The product body describes conformal liners; a dated 2025 HBM explainer supplies TSV/Striker context.
    Lam Research：Striker conformal TSV dielectric liners ↗
    Check prerequisites, exclusions and catalogue relationships
    Relationship to the solution catalogueSupporting inspection method
    Lam ResearchStriker conformal TSV dielectric linersOpen solution details →
    Sample or process prerequisites
    • The supplier connects ALD with next-generation TSV oxide liners. Confirm geometry, exposed materials and thermal budget for the selected configuration.
    Exclusions
    • Scope and limitations Conformality does not guarantee defect-free films or leakage limits. Sidewall/bottom thickness, interfaces and downstream steps need independent checks. What to prepare BLNKK suggests TSV geometry/materials, thermal history, target thickness, depth cross-sections and electrical controls measured before breakdown. Confirm with the supplier Confirm model/film chemistry, coverage/defect metrology, thermal budget, downstream compatibility and sample validation.
    Primary sources behind these assessmentsLam Research：Striker conformal TSV dielectric liners ↗
    View related Q&A

    Missing evidence and suitability conditions

    • Operating voltages, breakdown or lifetime thresholds, and eligibility for single-via observations are not yet established for this liner; a parallel TSV array does not localize a single via.
    • Supplier participation, sample validation, and actual professional responses are not yet confirmed; public capabilities do not establish willingness to take on the work.
    • This local method has not yet been published as a canonical solution that demonstrates the same relationship.

    References

    14 manufacturer or institutional sources

    Expand reviewed sources and limitations
    01
    Standards / institutional sourcesElectrical Characterization of Low Temperature PECVD Oxides for TSV ApplicationsFraunhofer / SPTS authors / IMAPSource · Reviewed 2026-10-04

    The study examines TSV electrode-to-bulk I-V; liner cross-section sampling considers depth and density, and SEM thickness estimates are affected by preparation artifacts.

    Limit: Specific PECVD test structures studied in 2018; voltages, thicknesses, and breakdown fields must not be transferred. Post-breakdown samples do not represent the original leakage state.
    02
    Manufacturer technical informationOptimizing Low Current Measurements with the 4200A-SCS Parameter AnalyzerTektronix / Keithley · Reviewed 2026-10-04

    Low-current measurements require control of fixture and cable leakage, background, guarding or shielding, and settling.

    Limit: General measurement methods do not localize liner defects; valid backgrounds and accessible TSV / bulk contacts still require case-specific verification.
    03
    Manufacturer product informationFailure Analysis LabASE · Reviewed 2026-10-04

    Lists capabilities for electrical localization, nondestructive analysis, targeted cross-sections / FIB, SEM, EDX, and XPS analysis.

    Limit: A public service list does not guarantee detection or chemical identification at fine-pad, TSV, or residual-film scales; sampling and service availability require separate confirmation.
    04
    Manufacturer product informationSPTS Etch and Deposition Processes for Advanced PackagingKLA / SPTS · Reviewed 2026-10-04

    Lists high-aspect-ratio TSV barrier / seed PVD coverage and low-temperature PECVD liner capabilities.

    Limit: Manufacturer equipment capabilities published in 2022; no sample validation is available for depth uniformity in this via, liner lifetime, or material compatibility.
    05
    Manufacturer product informationB1500A low-current I–V characterizationKeysight Technologies · Reviewed 2026-10-05

    Keysight’s product page and August 17, 2026 datasheet describe module choices, distinguishing resolution from accuracy under specified conditions.

    Limit: Scope and limitations IV alone cannot distinguish liner pinholes, contamination or cracks, or locate defect depth. Nominal resolution is not measurement accuracy or the complete setup’s usable leakage floor. What to prepare BLNKK suggests documenting contacts, bias/current compliance, expected leakage, temperature, guarding and fixture-blank results. Confirm with the supplier Confirm SMUs/options, fixtures, wiring, integration/settling times, practical measurement floor, calibration and the required low-current environment.
    06
    Manufacturer product informationProducer InVia TSV dielectric-liner depositionApplied Materials · Reviewed 2026-10-06

    The InVia page documents liner deposition. The separate HBM page describes InVia 2, whose specifications require version-specific confirmation.

    Limit: Scope and limitations Tool claims do not qualify a user TSV or repair existing liner defects. Temperature and deposition capabilities must be checked for the actual generation. What to prepare BLNKK suggests preparing via geometry, sidewall condition, target thickness, pretreatment and thermal budget, plus depth-resolved coverage, leakage and interface observations. Confirm with the supplier Confirm version, dielectric and deposition window, coverage and electrical test conditions, downstream compatibility and sample-validation plans.
    07
    Manufacturer product informationEVOLVITY 300 contact/environment platform for TSV leakage measurementsFormFactor · Reviewed 2026-10-06

    The April 8, 2025 release documents semi-automated RF/DC characterization and measurement-assistant compatibility.

    Limit: Scope and limitations The station is not a complete low-current instrument. RF/DC use does not establish TSV leakage sensitivity, and current alone does not localize buried liner defects. What to prepare BLNKK suggests preparing pads, bias/current ranges, instruments, guarding, temperature/humidity, background and settling times. Confirm with the supplier Confirm contact, shielding/guarding, thermal configuration and instrument integration; use blank/reference structures to verify measurement floor, stability and repeatability.
    08
    Manufacturer product informationSPTS Osprey TSV dielectric-liner PECVDKLA · Reviewed 2026-10-06

    The current named Osprey section documents dielectrics, stress tuning and TSV-liner use.

    Limit: Scope and limitations Published applications do not qualify every high-aspect-ratio via for leakage/breakdown. Temperature/stress performance depends on material, recipe and chamber configuration. What to prepare BLNKK suggests geometry, thickness, existing stacks, thermal budgets and electrical targets, with sidewall/interface and leakage/breakdown comparisons. Confirm with the supplier Confirm materials/recipes, temperature/stress windows, degas options, coverage and electrical/interface validation methods.
    09
    Manufacturer product informationTOK PMER P-CY1000 deep-silicon-etch resistTokyo Ohka Kogyo Co., Ltd. · Reviewed 2026-10-06

    TOK provides a crack-resistance example, not a validated liner-coverage or leakage result for your TSV.

    Limit: Scope and limitations Mask crack resistance does not establish smooth sidewalls, continuous liners or acceptable leakage. Example conditions are not a universal process window or a repair. What to prepare BLNKK suggests preparing hole dimensions, mask thickness/pattern, chemistry and temperature history. Preserve post-strip sidewall/residue images and correlate available liner sections or leakage locations. Confirm with the supplier Confirm etch/mask compatibility, example applicability and stripping. Agree on sidewall/residue and subsequent liner checks; leakage requires separate electrical validation.
    10
    Manufacturer product informationKOBUS F.A.S.T. silicon-oxide TSV linersPlasma-Therm · Reviewed 2026-10-06

    The linked product/process pages describe thicker conformal films and 2.5D/3D TSV liners.

    Limit: Scope and limitations F.A.S.T. is not for every application. Thicker conformal-film descriptions do not establish ALD-level coverage for every via, freedom from pinholes or leakage/breakdown qualification. What to prepare BLNKK suggests preparing via geometry, surface/cleaning history, target film/thermal budget, electrical topology, current background and unbroken controls. Confirm with the supplier Confirm chemistry/configuration, depth-dependent coverage and contamination assessment, plus representative-via insulation, leakage and breakdown tests.
    11
    Manufacturer product informationPHEMOS-X electrical fault localizationHamamatsu Photonics · Reviewed 2026-10-06

    Official information describes semiconductor fault localization and configurable imaging methods.

    Limit: Scope and limitations Detectability varies with samples and configuration. Localization does not measure TSV liner depth or establish root cause. What to prepare BLNKK recommends preparing leakage curves, bias conditions and sample/metal-layer information, with reference samples and subsequent cross-section plans. Confirm with the supplier Confirm detectors, optical access, bias/probing and required laser or TD options; check signal detectability on actual samples.
    12
    Manufacturer product information4200A-SCS low-current TSV leakage characterizationKeithley Instruments · Reviewed 2026-10-06

    Official information documents semiconductor parameter and low-current configurations.

    Limit: Scope and limitations Resolution is not the setup noise floor. Verify capacitance, waiting time and bias on the actual sample; leakage alone establishes neither root cause nor reliability. What to prepare BLNKK suggests preparing electrode/connection diagrams, expected bias/current, cable and probe-station details, reference samples and current-versus-time records. Confirm with the supplier Confirm SMU/preamp, guarding, capacitance handling, ranges and settling procedure. Agree on sample-based checks of noise, repeatability and safe bias.
    13
    Manufacturer product informationSENresearch 4.0 representative liner-film comparisonSENTECH Instruments · Reviewed 2026-10-06

    Official information describes dielectric stacks, mapping and optical-model applications.

    Limit: Scope and limitations Results depend on model and parameter constraints. Planar-film measurements establish neither deep-sidewall coverage nor leakage or contamination directly. What to prepare BLNKK suggests preparing the film/substrate stack, expected thickness, surface condition, process and reference-thickness data. Retain controls, raw spectra and fit models. Confirm with the supplier Confirm spectral/angle configuration, options, sample suitability and treatment of roughness or backside reflections. Agree on an independent reference check and measurement repeatability.
    14
    Manufacturer product informationStriker conformal TSV dielectric linersLam Research · Reviewed 2026-10-06

    The product body describes conformal liners; a dated 2025 HBM explainer supplies TSV/Striker context.

    Limit: Scope and limitations Conformality does not guarantee defect-free films or leakage limits. Sidewall/bottom thickness, interfaces and downstream steps need independent checks. What to prepare BLNKK suggests TSV geometry/materials, thermal history, target thickness, depth cross-sections and electrical controls measured before breakdown. Confirm with the supplier Confirm model/film chemistry, coverage/defect metrology, thermal budget, downstream compatibility and sample validation.

    Before assessment

    Questions to ask before assessment

    Expand assessment checklist
    1. How do electrode area, TSV count or density, and substrate doping affect the aggregate measurement?
    2. Are guarding, background, settling, compliance, and stress history comparable?
    3. How should liner depth and density be sampled without prior breakdown, with preparation artifacts controlled?
    View related technical Q&A →
    BLNKK editorial notes

    Related technical Q&A

    • How do electrode area, TSV count or density, and substrate doping affect the aggregate measurement?
    • Are guarding, background, settling, compliance, and stress history comparable?
    View related technical Q&A →