SOLUTION NAVIGATOREngineering conditions
For “Non-wetting, cold joints and opens in HBM thermocompression bonding”, add details that may change the assessment order and check the basis and limits of each candidate.
Engineering conditions
Confirm per-joint localization and traceable equipment / surface records. Leave unknowns unconfirmed; opens do not establish pressure or oxidation causation.
Live assessment
Complete localized defects, equipment traces, and surface-treatment records first.
Unconfirmed: Can electrical, X-ray, or other inspection map anomalies to dies, regions, and representative microbumps?; Are per-die temperature, pressure, time, Z displacement, and tilt / coplanarity records traceable?; Are pad / bump preparation, oxide removal, and flux / NCP residue controls defined and traceable?Establish joint-defect maps and basic traces before selecting sections.
Unconfirmed: Can electrical, X-ray, or other inspection map anomalies to dies, regions, and representative microbumps?; Are per-die temperature, pressure, time, Z displacement, and tilt / coplanarity records traceable?candidate solutions
The order changes only with conditions you confirm. Public information cannot establish suitability for your actual samples.
After localized inspection, select the main joint morphology. Equipment traces and surface control guide next steps; appearance alone does not establish a cause.
Opens, bridges, cold joints, and regional patterns narrow recipes, surface studies, and sampling. Morphology alone cannot prove pressure, temperature, tilt, oxidation, or material causation.
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.
Complete localized defects, equipment traces, and surface-treatment records first.
Establish joint-defect maps and basic traces before selecting sections.
No result provided. Clarify key conditions before arranging an assessment.
Kulicke & Soffa · Thermo-Compression Bonding ↗These are general technology and supplier-capability statements, not recipes or yield guarantees for this HBM structure.
ASMPT · Thermocompression Bonding with Active Oxide Removal ↗Supplier claims do not establish oxidation or flux as the cause and provide no sample-validation results.
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Related solutions
Kulicke & Soffa
K&S describes heat-and-pressure interconnect formation with temperature, pressure, and tilt control, noting under-compression can cause opens and over-compression shorts, informing window verification.
Basis: Kulicke & Soffa：Thermo-Compression BondingThe reviewed public information describes a workflow. It has not been linked to a specific product in the BLNKK solution catalogue.
ASMPT
ASMPT describes AOR TCB as active oxide removal for fluxless, residue-free bonding and an HBM candidate, supporting comparison when surface-control evidence is complete.
Basis: ASMPT：Thermocompression Bonding with Active Oxide RemovalThe reviewed public information describes a workflow. It has not been linked to a specific product in the BLNKK solution catalogue.
ASE
ASE lists microbump cracks, voids, cold joints, and bridges, plus electrical localization and subsequent sections / FIB.
Basis: ASE：Failure Analysis LabThe reviewed public information describes a workflow. It has not been linked to a specific product in the BLNKK solution catalogue.
Yield Engineering Systems
Assess oxidation, thermal histories and joint quality in thin-die/microbump solder reflow.
Basis: The current product page documents reflow architecture/applications; the corporate page confirms formic-acid positioning.ASE
Localize suspected micro-bump cold joints/bridges and collect evidence for failure investigation.
Basis: The official laboratory page names micro-bump defects and non-destructive, localization and destructive-preparation capabilities.JEOL
Prepare sections or lamellae from suspected open contacts.
Basis: The named page documents FIB/SEM and preparation functions, distinguishing sampling/automation/EDS options.Nippon Kayaku Co., Ltd.
Check accessible post-assembly flux residues separately from non-wetting or opens in a TCB investigation.
Basis: Nippon Kayaku identifies SO C175 as a flux cleaner, without a published HBM/TCB cleaning window or qualification result.ASMPT
Compare actual HBM microbump thermal/force/tilt histories for non-wet opens with representative material stacks.
Basis: The official page lists ±2.0 µm placement accuracy, handling cycles below 2 seconds and mixed wafer/tape-and-reel input. These figures do not establish complete-bond throughput or product yield; the 2024 presentation adds application context.Kulicke & Soffa
Compare a TCB equipment/control candidate only after vendor acceptance of the actual HBM microbump stack and process consumables.
Basis: K&S reports qualification of the three processes at major OSATs. The page does not quantify customer-package warpage improvement or production throughput.Samsung Foundry
Work with the foundry on the accepted microbump-TCB stack and its process-window evidence; this is a supplier-owned integration workflow.
Basis: Samsung's current platform page describes Cube-T microbump chip-on-wafer and TSV technology as ready for mass production for low-power 3D IC, while explicitly identifying Cube-H hybrid Cu bonding as under development.SET
Thermocompression control supports a microbump process-window trial if the actual HBM pitch, tool access and thermal/force configuration are qualified.
Basis: The product page lists ±0.3 µm post-bond accuracy, 1–4000 N force and 1 µrad pre-bond leveling; the October 2025 family brochure positions FC300 for fine-pitch R&D and pilot production.Hanmi Semiconductor
The official exhibitor listing establishes an HBM thermocompression-bonder offering for configuration discussion, not a validated process window.
Basis: HANMI’s SEMICON China 2026 listing on the SEMI event site explicitly includes HBM TC BONDER, separately from its 2.5D TC BONDER models and other bonding equipment.References
The official page describes heat-and-pressure TCB with temperature, pressure, and tilt control, noting open risk with under-compression and short risk with over-compression.
Limit: These are general technology and supplier-capability statements, not recipes or yield guarantees for this HBM structure.Official resources describe AOR TCB as fluxless bonding using active oxide removal for clean, residue-free interconnects and fine-pitch HBM stacking.
Limit: Supplier claims do not establish oxidation or flux as the cause and provide no sample-validation results.The official page lists microbump cracks, voids, cold joints, bridges, electrical localization, nondestructive inspection, and sections / FIB.
Limit: Capabilities do not guarantee resolution, success, or root-cause determination for these fine-pitch HBM samples.The current product page documents reflow architecture/applications; the corporate page confirms formic-acid positioning.
Limit: Scope and limitations Customer-qualification or no-defect claims do not guarantee this project. Mass reflow is not localized TCB contact-force control. What to prepare BLNKK suggests preparing solder, bump/joint geometry, oxide conditions, die thickness/support, measured thermal histories and acceptable atmosphere conditions. Confirm with the supplier Confirm formic-acid/vacuum recipes, compatibility, thermal windows and measurable process limits; define wetting, void, cross-section and reliability validation.The official laboratory page names micro-bump defects and non-destructive, localization and destructive-preparation capabilities.
Limit: Scope and limitations Listed capabilities do not guarantee detection or root-cause determination. Sectioning/FIB preparation may alter evidence. What to prepare BLNKK suggests preparing coordinates, process stages, layers/materials, electrical records and controls, planning non-destructive observation before sampling. Confirm with the supplier Confirm laboratory, sample acceptance, resolution, sampling/destructive risks and report/follow-up validation scope.The named page documents FIB/SEM and preparation functions, distinguishing sampling/automation/EDS options.
Limit: Scope and limitations Destructive local preparation can introduce ion damage/redeposition. A lamella neither proves the open's cause nor represents every contact. What to prepare BLNKK suggests preparing electrical coordinates, layers/metals, section direction, prior images and controls, planning protection and sampling. Confirm with the supplier Confirm mounting, sampling/transfer options, ion-damage control and downstream TEM/EDS or other analysis responsibilities/configurations.Nippon Kayaku identifies SO C175 as a flux cleaner, without a published HBM/TCB cleaning window or qualification result.
Limit: Scope and limitations It does not repair non-wetted joints or establish access to buried interfaces. Conditions for adjacent post-ashing or resist-removal products do not apply to C175. What to prepare BLNKK suggests preparing flux, thermal history, gaps, residue locations and exposed metals/polymers. Existing cleaning records, residue images or ionic-contamination results can support comparisons. Confirm with the supplier Confirm flux/material/gap suitability and concentration, cleaning, rinse and dry conditions. Agree on residue, corrosion, ionic-contamination and electrical checks.The official page lists ±2.0 µm placement accuracy, handling cycles below 2 seconds and mixed wafer/tape-and-reel input. These figures do not establish complete-bond throughput or product yield; the 2024 presentation adds application context.
Limit: Scope and limitations Handling-cycle time is not completed-bond throughput. Controls alone do not qualify a particular bump, underfill or warped assembly. What to prepare Prepare die/substrate geometry, interconnects/materials, input format, warpage, thermal budget and quality/throughput targets. Confirm with the supplier Confirm configuration, compatible materials, temperature/force/time windows, full bond cycle and sample-based quality/reliability validation.K&S reports qualification of the three processes at major OSATs. The page does not quantify customer-package warpage improvement or production throughput.
Limit: Scope and limitations Process qualification does not qualify every customer package. Public evidence provides no universal warpage tolerance, void-reduction or throughput guarantee. What to prepare BLNKK suggests preparing die and substrate dimensions, thickness and warpage, bumps, underfill, bonding flow, yield criteria and throughput targets. Confirm with the supplier Confirm the configuration, material route, temperature and force windows, process monitors, and accuracy, cycle time and yield measured on representative samples.Samsung's current platform page describes Cube-T microbump chip-on-wafer and TSV technology as ready for mass production for low-power 3D IC, while explicitly identifying Cube-H hybrid Cu bonding as under development.
Limit: Scope and limitations This is a foundry packaging platform, not a standard component, and T/H maturity differs. Public descriptions do not establish a specific stack's warpage, thermal resistance, yield or lifetime; project validation is needed. What to prepare Bring die/process-node information, interconnect and power needs, stack dimensions, cooling conditions, and test/reliability targets to discuss architectural trade-offs. Confirm with the supplier Confirm which T/H route, design rules and schedule are available for the design. Agree on thermomechanical modeling, bond/test validation responsibilities and access to relevant qualification data.The product page lists ±0.3 µm post-bond accuracy, 1–4000 N force and 1 µrad pre-bond leveling; the October 2025 family brochure positions FC300 for fine-pitch R&D and pilot production.
Limit: Scope and limitations Nominal placement accuracy and force range do not guarantee a particular specimen’s bond quality or establish wetting/electrical continuity. The page and brochure give different minimum forces; available tooling and operating conditions need confirmation. What to prepare BLNKK suggests preparing die/substrate dimensions, bump metals and pitch, coplanarity, incoming topography and existing force–temperature–time profiles, together with post-bond alignment, electrical or cross-section results. Confirm with the supplier Confirm specimen/tooling configuration, force and temperature controls, accuracy acceptance conditions and process atmosphere, plus support for the proposed HBM/microbump trials and pilot operation.HANMI’s SEMICON China 2026 listing on the SEMI event site explicitly includes HBM TC BONDER, separately from its 2.5D TC BONDER models and other bonding equipment.
Limit: Scope and limitations The verified evidence is a product list, not model-specific accuracy, temperature, force, throughput or material-window data. Specifications of separately listed 2.5D models should not be assigned to HBM TC BONDER. What to prepare BLNKK suggests preparing the intended HBM stack, die sizes/thicknesses, joint metals/pitch, NCF or other bonding materials, current thermocompression profiles and non-wet/open specimens for an initial discussion. Confirm with the supplier Request the exact model/version and force–temperature–time/alignment data. Confirm material compatibility, throughput acceptance, trial conditions and joint-quality validation methods.Before assessment