Substrate liquid treatment apparatus, substrate liquid treatment method and storage medium

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United States of America Patent

PATENT NO 9897919
SERIAL NO

15227243

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Abstract

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A substrate liquid treatment method includes: (a) rotating the substrate about the vertical axis; (b) supplying the treatment liquid to the rotating substrate from the second nozzle with a falling point of the treatment liquid supplied from the second nozzle moving from the central portion to the peripheral portion of the substrate, while supplying the treatment liquid to the central portion of the substrate from the first nozzle, (c) after (b), moving the second nozzle from the peripheral portion to the central portion of the substrate with the supplying of the treatment liquid from the second nozzle being stopped, while continuing supplying the treatment liquid to the central portion of the rotating substrate from the first nozzle; and (d) after (c), supplying the treatment liquid to the rotating substrate from the second nozzle.

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Patent Owner(s)

Patent OwnerAddress
TOKYO ELECTRON LIMITEDTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nonaka, Jun Koshi-Shi, JP 21 88

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