Wiring board, semiconductor device and semiconductor element

Details Wiring board, semiconductor device and semiconductor element Wiring board, semiconductor device and semiconductor element

2011-02-08

2011-02-08

Potter, Roy K (Department: 2822)

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

With contact or lead

C257S692000, C257S774000, C257SE23023

Reexamination Certificate

active

07884463

ABSTRACT:
On a semiconductor element loading face, wiring patterns are drawn out from those formed in the vicinity of the edge of the semiconductor element of the loading pads formed to correspond to the electrode terminals of the semiconductor element, and connected to via pads formed in the vicinity of the edge of the semiconductor element loading face; area pads constructed of the loading pads corresponding to the electrode terminals formed in the central region of the semiconductor element and its vicinity are electrically connected to external connecting terminal pads formed in the central region on the other side of the wiring board and its vicinity, through the nearest area pad vias encircled by the external connecting terminal pads and passing through the wiring board and the wiring patterns; and a plurality of the loading pads constituting the area pads commonly use one of the area pad vias.

REFERENCES:
patent: 6335566 (2002-01-01), Hirashima et al.
patent: 6734535 (2004-05-01), Hashimoto
patent: 2009/0309210 (2009-12-01), Danno
patent: 10-284538 (1998-10-01), None

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