Developing method

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United States of America

PATENT NO 10539877
APP PUB NO 20190294049A1
SERIAL NO

16287292

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Abstract

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After a developing step is performed by feeding developer to the substrate, a second nozzle starts dispensation of a surfactant rinse liquid to a position away from the center of a rotating substrate. This operation is performed such that the center of the substrate does not enter into a reaching region of the substrate where the surfactant rinse liquid dispensed from the second nozzle firstly reaches. Accordingly, a point of the reaching region of the surfactant rinse liquid is dispersed, leading to suppression in locally smaller or larger line width of a resist pattern at the center and around the center of the substrate. Consequently, this achieves enhanced uniformity of the line widths of the resist pattern within a surface of the substrate during the rinse process.

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Patent Owner(s)

Patent OwnerAddress
SCREEN HOLDINGS CO LTDKYOTO-SHI KYOTO 602-8585

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arisawa, You Kyoto, JP 2 3
Asai, Masaya Kyoto, JP 21 56
Harumoto, Masahiko Kyoto, JP 44 328
Kaneyama, Koji Kyoto, JP 69 700
Nakayama, Chisayo Kyoto, JP 7 15
Tanaka, Yuji Kyoto, JP 302 2044

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