CLEANING METHOD AND APPARATUS FOR WASHING TOOL, SUBSTRATE WASHING APPARATUS AND MANUFACTURING METHOD FOR WASHING TOOL

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United States of America

APP PUB NO 20250076200A1
SERIAL NO

18808100

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Abstract

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A cleaning apparatus for performs a cleaning process on a washing tool for substrate washing by supplying a washing liquid to the washing tool and bringing the washing tool into contact with a cleaning member. The cleaning apparatus includes: a liquid extraction part that extracts a washing liquid remaining inside the washing tool or a washing liquid flowing out from the washing tool during the cleaning process; a fluorescence analysis part that performs fluorescence analysis on the washing liquid extracted by the liquid extraction part and measures a fluorescence intensity of the washing liquid for an excitation light of a predetermined wavelength; and a judgement part that judges, based on the measured fluorescence intensity, whether or not the cleaning of the washing tool has been completed.

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Patent Owner(s)

Patent OwnerAddress
EBARA CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
NAKAMURA, YUMIKO Tokyo, JP 28 74
TAKATOH, CHIKAKO Tokyo, JP 9 8
UNO, MEGUMI Tokyo, JP 5 2

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