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Engineering Library

Practical guidance for ceramic circuits, materials, manufacturing and design.

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Quality & Testing

Incoming inspection, process verification, reliability, and acceptance guidance.

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  1. Microscope Calibration Grids: Detect Shear Before Measuring Diagonal FeaturesQuality & TestingQuality guide
  2. Thick-Film Defect Monitoring: Adjust Control Limits When Inspected Area ChangesQuality & TestingQuality guide
  3. Printed Resistor Acceptance: Rounding Cannot Decide a Borderline ResultQuality & TestingQuality guide
  4. TCR Qualification: Separate Reversible Drift from Return-to-Reference ShiftQuality & TestingQuality guide
  5. HiPot Retesting and Cumulative Stress HistoryQuality & TestingQuality guide
  6. Heater Uniformity Masks: Quantify Registration and Edge CoverageQuality & TestingQuality guide
  7. Heater Cycling Acceptance: Insulation Failure Can Precede an Open CircuitQuality & TestingQuality guide
  8. Thermal Shock and Moisture Testing: Keep Exposure Order in the ComparisonQuality & TestingQuality guide
  9. Choosing DMM Integration Time for Thick Film Resistance TestsQuality & TestingQuality guide
  10. TCR Test Fixtures: Control Lead Heat Paths and Sample MountingQuality & TestingQuality guide
  11. Insulation Test Fixtures: Measure Fixture Leakage Before the ProductQuality & TestingQuality guide
  12. HiPot Safety Handoffs: Residual Charge and Verified DischargeQuality & TestingQuality guide
  13. Thermal Camera Setup: Check Working Distance, Focus and Spot Size on HeatersQuality & TestingQuality guide
  14. Multi-Channel Heater Cycling: Verify Equal Stress at Each Fixture PositionQuality & TestingQuality guide
  15. Chemical Exposure Fixtures: Keep Holder Materials Out of the Compatibility ResultQuality & TestingQuality guide
  16. Stylus Profilometry on Thick Film: Check Whether the Tip Can Enter the FeatureQuality & TestingQuality guide
  17. Resistance Measurement Control: Check-Standard Repeatability and Drift SignalsQuality & TestingDesign guide
  18. TCR Measurement Studies: Separate Chamber Runs from Specimen ReplicatesQuality & TestingQuality guide
  19. Intermittent Ceramic Via Opens: Preserve Event Duration and Trigger ConditionsQuality & TestingQuality guide
  20. Insulation Retests: Preserve Conditioning History and Avoid Best-Result SelectionQuality & TestingQuality guide