Method for manufacturing magnetic memory chip device

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United States of America Patent

PATENT NO 8524510
APP PUB NO 20120122246A1
SERIAL NO

13353004

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Abstract

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A method for manufacturing a magnetic memory chip device comprises the steps of: writing information in each of a plurality of magnetic memory chips formed on a silicon wafer; adhering a high magnetic permeability plate on a back face of the silicon wafer after writing information, the high magnetic permeability plate having a higher magnetic permeability than silicon and having a thickness of 50 um or more; dicing the silicon wafer into respective magnetic memory chips after adhering the high magnetic permeability plate.

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Patent Owner(s)

  • RENESAS ELECTRONICS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akiyama, Tatsuhiko Tokyo, JP 14 397
Koga, Tsuyoshi Tokyo, JP 19 89
Misumi, Kazuyuki Tokyo, JP 13 161
Murakami, Tomohiro Tokyo, JP 42 161
Shimizu, Masahiro Tokyo, JP 225 3120

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