75520647
Jul 17, 1998
Nov 20, 2001
ELECTRONIC COMPONENTS, IN PARTICULAR ASSEMBLED AND BARE PRINTED CIRCUIT BOARDS, MULTI-CHIP MODULES AND SUBSTRATES THEREFORE, SINGLE-CHIP AND MULTI-CHIP ELECTRONIC PACKAGES COMPRISED OF BALL-GRID ARRAYS AND MICRO BALL-GRID ARRAYS, AND INTERPOSERS AND CHIP CARRIERS THEREFOR
Electrical and Scientific Apparatus