Manufacturing method of photomask and photomask

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6656644
APP PUB NO 20020006555A1
SERIAL NO

09881701

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In order to shorten the time required to change or correct a mask pattern over a mask, light-shielding patterns formed of a resist film for integrated circuit pattern transfer are partly provided over a mask substrate constituting a photomask in addition to light-shielding patterns formed of a metal for the integrated circuit pattern transfer.

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Patent Owner(s)

Patent OwnerAddress
RENESAS ELECTRONICS CORPORATION2-24 TOYOSU 3-CHOME KOTO-KU TOKYO 135-0061

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Norio Nishitama, JP 139 2152
Miyazaki, Ko Kokubunji, JP 16 155
Mori, Kazutaka Kokubunji, JP 65 505
Okada, Joji Nishitama, JP 13 85
Tanaka, Toshihiko Tokyo, JP 219 2895

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