发明名称 Dual pitch contact pad footprint for flip-chip chips and modules
摘要 An electronic device, including: a plurality of contacts pads on a surface of a substrate; the contacts pads spaced apart a first predetermined distance in a first direction; and the contact pads spaced apart a second predetermined distance in a second direction, the first predetermined distance different from the second predetermined distance, the first direction perpendicular to the second direction.
申请公布号 US2004246691(A1) 申请公布日期 2004.12.09
申请号 US20030455982 申请日期 2003.06.05
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 BUDELL TIMOTHY W.;STONE DAVID B.;ZALESINSKI JERZY M.
分类号 H01L23/498;H05K1/11;(IPC1-7):H05K7/10;H05K7/12 主分类号 H01L23/498
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