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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. Via Sampling Plans: Separate Holes, Circuits and PanelsQuality & TestingQuality guide
  2. Heater Mapping Samples: Rotate Fixtures to Separate Product and Camera BiasQuality & TestingQuality guide
  3. Heater Power-Cycling Controls: Separate Electrical Stress from Thermal ExposureQuality & TestingQuality guide
  4. Thermal Shock Readouts: Preserve Failure Intervals and Withdrawn SpecimensQuality & TestingDesign guide
  5. Chemical Compatibility Coupons: Control Exposed Edge Area as Well as Face AreaQuality & TestingQuality guide
  6. Cross-Section Location Plans: Do Not Miss a Small Via Defect with One CutQuality & TestingQuality guide
  7. Returned Ceramic Circuits: Choose Exposure-Matched Comparison PartsQuality & TestingQuality guide
  8. Resistance Test Uncertainty: Reading Error, Range Error and ResolutionQuality & TestingQuality guide
  9. TCR Uncertainty When Temperature and Resistance Errors Are CorrelatedQuality & TestingQuality guide
  10. Thickness Measurement Uncertainty: Include Reference-Plane TiltQuality & TestingQuality guide
  11. Via-Chain Resistance: Move Sense Boundaries Before Subtracting Access LossQuality & TestingQuality guide
  12. Insulation Resistance Reports: Propagate Voltage and Current UncertaintyQuality & TestingQuality guide
  13. Withstand Test Records: Verify Delivered Voltage During Current LimitingQuality & TestingQuality guide
  14. Power-Cycling Data: Account for Missing Cycles and Interrupted TestsQuality & TestingQuality guide
  15. Solder Wetting-Time Comparisons: Keep Unequal Group Variability in the CalculationQuality & TestingQuality guide
  16. Bond Pull Peak Capture: Check Whether the Acquisition Misses a Short Force EventQuality & TestingQuality guide
  17. Terminal Pull Tests: Compare Actual Loading Rate, Not Crosshead Speed AloneQuality & TestingQuality guide
  18. Sensor Curve Calibration: When the Reference Position Also Has ErrorQuality & TestingQuality guide
  19. Exposure Weighing Queues: Separate Evaporation Rate from Specimen DifferencesQuality & TestingQuality guide
  20. Thick Film Profilometry: When Sampling Hides Surface RidgesQuality & TestingQuality guide