Method and apparatus of mask drawing using a grounding body at lowest resistance value position of the mask

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United States of America Patent

PATENT NO 8742376
SERIAL NO

13904434

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Abstract

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A mask drawing method includes: disposing a grounding body provided with a grounding pin at a plurality of different places on a mask substrate to measure resistance values; disposing the grounding body at a position where the resistance value is lowest, among the plural positions where the resistance values are measured; and irradiating an electron beam to the mask substrate to draw a desired pattern.

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Patent Owner(s)

Patent OwnerAddress
NUFLARE TECHNOLOGY INC8-1 SHINSUGITA-CHO ISOGO-KU KANAGAWA YOKOHAMA-SHI 235-8522

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohnishi, Takayuki Numazu, JP 18 201

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