Data generating apparatus, energy beam writing apparatus, and energy beam writing method

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United States of America Patent

PATENT NO 9748074
SERIAL NO

14797714

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Abstract

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In one embodiment, a data generating apparatus generates data including an irradiation amount of a beam in each pixel for an energy beam writing apparatus. The data generating apparatus includes a target irradiation amount calculating section configured to calculate a first irradiation amount in each pixel, an irradiation amount rounding section configured to round the first irradiation amount based on an irradiation amount control unit and calculate a second irradiation amount, a difference calculating section configured to calculate a first difference between the first irradiation amount and the second irradiation amount, a difference sum calculating section configured to calculate a sum of the first differences in a first group of a plurality of adjacent pixels, and an allocating section configured to allocate an irradiation amount based on the irradiation amount control unit and the sum to a pixel in the first group.

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Patent Owner(s)

Patent OwnerAddress
NUFLARE TECHNOLOGY INC8-1 SHINSUGITA-CHO ISOGO-KU YOKOHAMA-SHI KANAGAWA 2358522 ?2358522

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ogasawara, Munehiro Hiratsuka, JP 82 492

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