High force die shear
High force die shear

Die shear test

  • 수 그램에서 500kgf 까지 shear test
  • 특허된 high force die shear tooling으로 die crack 제거
  • Tool 이 Die 에 자동 회전 align
  • Soft shear option
  • Ultra thin die testing
  • Flip chip BGA testing
  • Impact die shear
  • 센서 정확도 ±0.075%
  • 500°C 까지 shear 와 impact shear 테스트
  • In accordance with MIL-STD-883 2019.9 Die shear strength

LTCC 재료에서 Die shear 테스트
LTCC 재료에서 Die shear 테스트

많은 Die shear 적용에서 기술 선도자

Shear force는 bond의 형식(soldered, adhesive conductive, adhesive nonconductive)과 Die의 직경에 따라서 다양하게 나타납니다.

이 range 를 지원하기 위해서, XYZTEC 은 tool 과 work holder 를 다양하게 선택할 수 있습니다. 덧붙여 고객맞춤형 tool을 제작 지원합니다. Condor 150HF 은 500kgf까지 적용 가능 합니다.

Patented Self Aligning Shear solution

The self aligning shear tool is designed for forces up to 500kgf
The self aligning shear tool is designed for forces up to 500kgf

A fundamental problem exists when shear testing large die; the strength of the bond is in proportion to the area of the die but the area available to apply the shear load is much smaller being limited to that of one of its edges. As die become larger and thinner the relative sizes of these two areas can result in the stresses created by the shear tool being higher than the yield strength of the die causing it to splinter or shatter before the bond is tested.

In many cases this undesirable effect can be eliminated with the use of XYZTEC’s latest shear tool development*. The part of the tool that contacts the die is a shear block. It should be a relatively soft material like aluminium or mild steel. Because it is softer than the die it deforms at the points of contact that inevitably result due to surface irregularities between the edge of the die and the tool tip. This deformation considerably reduces the high contact stresses that would otherwise cause the die to fail.

Self aligning shear tool
Side view self aligning shear tool

The shear block is held in place on a mount by vacuum. The block can rotate slightly (self alignement). Another feature is that its underside can include an undercut that ensures a precise shear height. Without this system deformations in the vertical axis caused by the very high shear forces can cause the shear tool either rise or fall relative to the substrate. If the tool lifts it increases the stress concentration on the edge of the die making die failure likely. This feature is ideally suited for testing stacked die which are very thin and require such precise control of shear height. XYZTEC offers a complete solution for die shear testing that consists of the self aligning tool and a special die shear work holder. This combinations supports high shear forces. The work holder also offers a protection cap for the safety of the operator and with specials masks it is possible to test dies on different angles and in different sizes.

* Patent PCT/NL2010/050545, CN102770747, EP2473832, WO2011028107

Click here to download the flyer on our "Self Aligning Shear Solution" (PDF).

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