Quality Control Test for Multi-Layer Ceramic I/O Pin Strength
Original Publication Date: 1988-Dec-01
Included in the Prior Art Database: 2005-Feb-16
It is proposed to use liquid N2 to cool I/O pins on multi-layer ceramic substrates to a sub-ambient temperature prior to conducting a conventional pull test. The method is a more accurate way to determine the adequacy of the pin to substrate braze joint strength.