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Current problemShould the power substrate change its ceramic, thickness or copper layers?
Additional supplier candidates · 6

Potential uses from public research. These entries are outside the condition-based assessment; confirm sample, specification and service requirements.

Research candidate · suitability unconfirmed

Silicon-nitride AMB copper substrates

Tong Hsing

Compare the initial path through ceramic, metallization and layer thicknesses.

Sources and limits

Use the actual metallized stack, contacts and normalized tests; bare-ceramic conductivity is not substrate thermal resistance.

Official public page; sample suitability remains unconfirmed.

Research checked: 2026-10-15

Sources and limits ↗
Solution details →
Research candidate · suitability unconfirmed

AlN substrates with metallization options

MARUWA

Compare the initial path through ceramic, metallization and layer thicknesses.

Sources and limits

Use the actual metallized stack, contacts and normalized tests; bare-ceramic conductivity is not substrate thermal resistance.

Official search index; confirm the full page and specifications.

Research checked: 2026-10-15

Sources and limits ↗
Solution details →
Research candidate · suitability unconfirmed

Alunit AlN HP substrates

CeramTec

Compare the initial path through ceramic, metallization and layer thicknesses.

Sources and limits

Use the actual metallized stack, contacts and normalized tests; bare-ceramic conductivity is not substrate thermal resistance.

Official search index; confirm the full page and specifications.

Research checked: 2026-10-15

Sources and limits ↗
Solution details →
Your solution map/Engineering conditions

Engineering conditions

Confirm conditions. Prepare your next step.

For “Initial thermal-path bottlenecks in ceramic/metallized substrates for power packages”, add details that may change the assessment order and check the basis and limits of each candidate.

Conditions can change the orderUnknown conditions are never assumed to be satisfiedAll choices stay in this browser

Engineering conditions

Use 3 key conditions to see how the assessment order changes.

Conditions are optional; each update refreshes task-preparation guidance.

Confirmed: 0 / 3 conditions0 paths ready for initial assessment

Sample and reference

Validation and comparison

All path assessments

Live assessment

Current assessment order

Paths ready for initial assessment appear first
01
Establish a substrate thermal reference with fixed boundaries

Prepare first: Is the following available: Ceramic/copper thicknesses, thermophysical properties and temperature dependence?

To confirm:Is the following available: Ceramic/copper thicknesses, thermophysical properties and temperature dependence?
Conditions unconfirmed
02
Separate through-thickness conduction and lateral spreading

Prepare first: Is the following available: Actual heat-source area, location and power?

To confirm:Is the following available: Actual heat-source area, location and power?
Conditions unconfirmed
03
Compare ceramic and metallization stacks

Prepare first: Is the following available: Die-attach/TIM thickness and contact conditions?

To confirm:Is the following available: Die-attach/TIM thickness and contact conditions?
Conditions unconfirmed

candidate solutions

Assessment with your current conditions

Assessment order does not indicate endorsement or performance

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

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 · 3

    • Is the following available: Ceramic/copper thicknesses, thermophysical properties and temperature dependence?With this information, prepare a technical inquiry for “Establish a substrate thermal reference with fixed boundaries”.
    • Is the following available: Actual heat-source area, location and power?With this information, prepare a technical inquiry for “Separate through-thickness conduction and lateral spreading”.
    • Is the following available: Die-attach/TIM thickness and contact conditions?With this information, prepare a technical inquiry for “Compare ceramic and metallization stacks”.

    Paths to assess

    More conditions needed

    Establish a substrate thermal reference with fixed boundaries

    Prepare first: Is the following available: Ceramic/copper thicknesses, thermophysical properties and temperature dependence?

    • Is the following available: Ceramic/copper thicknesses, thermophysical properties and temperature dependence?
    Conditions that change this path
    • Is the following available: Ceramic/copper thicknesses, thermophysical properties and temperature dependence?Supports assessment: Data available
    More conditions needed

    Separate through-thickness conduction and lateral spreading

    Prepare first: Is the following available: Actual heat-source area, location and power?

    • Is the following available: Actual heat-source area, location and power?
    Conditions that change this path
    • Is the following available: Actual heat-source area, location and power?Supports assessment: Data available

    What to do next

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

    1. Is the following available: Ceramic/copper thicknesses, thermophysical properties and temperature dependence?

    What to prepare

      Questions to discuss

      • Ceramic/copper thicknesses, thermophysical properties and temperature dependence
      • Actual heat-source area, location and power

      Public references

      Tong Hsing · Tong Hsing · Official information ↗This describes product uses and material structures. It does not establish the initial thermal-resistance bottleneck or improvement for this sample. Confirm actual thicknesses, bonds, thermal boundaries and engineering batch quantities.

      CeramTec · CeramTec · Official information ↗Material conductivity data do not establish assembled Rth. Specify ceramic grade, temperature dependence, metallization, thickness, interfaces and cooling boundaries.

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      View candidates, full sources and limits
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      Related solutions

      2 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
      Compare ceramic and metallization stacksPublic capability information; project scope and configuration require confirmationCompiled by BLNKK from public sources

      AMB silicon-nitride/thick-copper substrate route

      Tong Hsing

      The official AMB page describes substrates made from silicon-nitride ceramic and thick copper for high-power modules.

      Basis: The official AMB page describes substrates made from silicon-nitride ceramic and thick copper for high-power modules.
      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
      • Ceramic/copper thicknesses, thermophysical properties and temperature dependence
      • Actual heat-source area, location and power
      • Die-attach/TIM thickness and contact conditions
      • Cooling boundaries, temperature-sensor calibration and known-good controls
      Exclusions
      • Specify layer thicknesses, copper patterns, brazed interfaces, insulation and thermomechanical limits. Engineering project acceptance requires a separate inquiry.
      • This describes product uses and material structures. It does not establish the initial thermal-resistance bottleneck or improvement for this sample. Confirm actual thicknesses, bonds, thermal boundaries and engineering batch quantities.
      Primary sources behind these assessmentsTong Hsing:Tong Hsing · Official information ↗
      02
      Compare ceramic and metallization stacksPublic capability information; project scope and configuration require confirmationCompiled by BLNKK from public sources

      AlN ceramic material/substrate route

      CeramTec

      The official information lists AlN substrate thermal properties, insulation and power-module applications.

      Basis: The official information lists AlN substrate thermal properties, insulation and power-module 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
      • Ceramic/copper thicknesses, thermophysical properties and temperature dependence
      • Actual heat-source area, location and power
      • Die-attach/TIM thickness and contact conditions
      • Cooling boundaries, temperature-sensor calibration and known-good controls
      Exclusions
      • Confirm ceramic grade, metallization, dimensions and actual thermophysical data. Bulk k is not assembled Rth.
      • Material conductivity data do not establish assembled Rth. Specify ceramic grade, temperature dependence, metallization, thickness, interfaces and cooling boundaries.
      Primary sources behind these assessmentsCeramTec:CeramTec · Official information ↗

      Missing evidence and suitability conditions

      • Confirm sample-specific project scope, lead time and pricing with the provider.
      • For tasks without supporting sources, prepare an inquiry scope first; do not extend supplier capabilities by assumption.

      References

      2 manufacturer or institutional sources

      Expand reviewed sources and limitations

      Before assessment

      Questions to ask before assessment

      Expand assessment checklist
      1. Ceramic/copper thicknesses, thermophysical properties and temperature dependence
      2. Actual heat-source area, location and power
      3. Die-attach/TIM thickness and contact conditions
      4. Cooling boundaries, temperature-sensor calibration and known-good controls
      View related technical Q&A →
      BLNKK editorial notes

      Related technical Q&A

      • How can ceramic through-thickness conduction, copper spreading and contact-interface contributions be separated before comparing ceramic types, thicknesses and metallization stacks?
      • Measure temperature rise and thermal paths at fixed power, heat-source geometry and contact/cooling boundaries
      View related technical Q&A →