MASK FOR DUAL TONE DEVELOPMENT

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United States of America Patent

APP PUB NO 20140255829A1
SERIAL NO

13896334

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Abstract

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A mask for dual tone development including a opening pattern region and a partial transparent pattern is provided. The opening pattern region includes a plurality of transparent patterns and a plurality of opaque patterns, and a plurality of opening patterns is defined in a photoresist for dual tone development by the transparent patterns and the opaque patterns. The partial transparent pattern surrounds the opening pattern region.

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Patent Owner(s)

Patent OwnerAddress
POWERCHIP TECHNOLOGY CORPORATIONNO 12 LI-HSIN RD I SCIENCE-BASED INDUSTRIAL PARK HSINCHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Yi-Shiang Changhua County, TW 6 19
Lin, Chia-Chi Hsinchu County, TW 48 407
Lin, Hung-Ming Hsinchu County, TW 59 551

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