A ball grid technology circuit assembly for mounting and connecting a ball grid array circuit package having a grid array of ball pads to a printed circuit board and providing enhanced connections for testing of the ball grid array circuits. The printed circuit board includes a via array of vias wherein...http://www.google.fr/patents/US6469530?utm_source=gb-gplus-shareBrevet US6469530 - Method and apparatus for testing of ball grid array circuitry
Method and apparatus for testing of ball grid array circuitry
