Semiconductor device

Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Configuration or pattern of bonds

Reexamination Certificate

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Details

C257S738000, C257S758000, C438S612000, C174S262000, C174S255000, C361S780000, C361S794000

Reexamination Certificate

active

07151319

ABSTRACT:
A BGA semiconductor device for high-speed operation and high pin counts has a base which is constituted by a core layer formed of wiring boards and surface layers provided on both sides of the core layer, and a semiconductor element mounted on the base. Through holes in a signal region of the core layer are disposed in an optimum through hole pattern in which power through holes and ground through holes are disposed adjacent to signal through holes.

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patent: 5637920 (1997-06-01), Loo
patent: 6052287 (2000-04-01), Palmer et al.
patent: 6075710 (2000-06-01), Lau
patent: 6696763 (2004-02-01), Chen et al.
patent: 6946738 (2005-09-01), Hsu et al.
patent: 2004/0061241 (2004-04-01), Osburn et al.
patent: 2004/0184219 (2004-09-01), Otsuka et al.
patent: 2004/0226742 (2004-11-01), Wyrzykowska et al.
patent: 7-153869 (1995-06-01), None
patent: 11121524 (1999-04-01), None

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