Semiconductor wafer and method for manufacturing semiconductor devices

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United States of America Patent

PATENT NO 6303470
SERIAL NO

09521888

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Abstract

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A method for dividing a semiconductor wafer which is covered by an opaque resin in a dicing process includes forming marks on the semiconductor wafer, wherein the marks are distinguished from electrodes which are formed on the semiconductor wafer. According to the method, in a dicing process, separating semiconductor chips from the semiconductor wafer can be precisely achieved.

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Patent Owner(s)

Patent OwnerAddress
LAPIS SEMICONDUCTOR CO LTDKANAGAWA COUNTY YOKOHAMA JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Yuzo Tokyo, JP 33 311
Ohsumi, Takashi Tokyo, JP 22 370

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