Downloads

How to: Cold Bump Pull (CBP)

How to: Shear

How to: Tweezer Pull

How to: Wire Pull

Sample measurement tests

Gold/copper ball shear

The gold ball bond measurement unit can be fitted to any of our machines. Precise alignment to the bond is simple and stress free using the standard EZ controls. Precise shear height control and force measurement ensure accurate data with minimum distribution. Password protected flexibility of the programmable test parameters allow you to be in control.

An optional camera system is available for visually inspecting the test result. Xyztec complies with all relevant international standards such as ASTM, MIL.

Gold-ball-shear

How to: Gold ball shear

 

Standards

  • JEDEC JESD22-B116
  • ASTM F1269 for wire bond ball shear

Test features

 

Failure modes

Failure in IMC

  • Bond strength known
  • Acceptability depends on the strength

Failure in bulk material

  • Bond strength not known
  • Acceptability depends on the strength
  • Bond strength good or bond test bad

Pad crater

  • Pad strength known
  • Acceptability depends on the strength
  • Possibly bonder process problem

Bond failure

  • Bond strength known
  • Acceptability depends on the strength
  • Probably very weak bond

Failure in bulk material with inconsistent shear height

  • Bond strength not known
  • Bad test, poor sample clamping, or bond tester problem

Gold-and-copper-ball-failure-modes

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Tom Haley