Power and ground ring snake pattern to prevent delamination between the gold plated ring and mold resin for wirebond PBGA

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United States of America Patent

PATENT NO 7489519
SERIAL NO

12103510

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Abstract

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An exemplary ball grid array package for a semiconductor device includes an integrated circuit on a substrate, and a first bus on the substrate, the first bus including first portions that extend substantially parallel to the integrated circuit, interleaved with second portions that extend substantially toward the integrated circuit, each second portion having an end contiguous with a first portion and another end contiguous with a another first portion. A first set of wires connects the first bus with a first plurality of nodes on the integrated circuit. The package also includes a second bus and a second set of wires.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hisada, Takashi Hachiouji, JP 55 177
Nishi, Sayaka Yamato, JP 6 26
Takeoka, Yasushi Sagamihara-city , JP 1 4

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