6-Joyce-Board Test Workshop 2005.pdf
6-Joyce-Board Test Workshop 2005.pdf
6-Joyce-Board Test Workshop 2005.pdf
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Strain Limit Determination• Intel® has begun providing strain limits for its BGA componentsto help manufacturers identify processes which cause high strain.• The limits are based upon a laboratory test in which pressure isapplied to the back of the component and around the componentin the opposite direction. We test for the strain at which cracksbegin, not just when the electrical connection is broken.10