Substrate cleaning method

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United States of America Patent

PATENT NO 8932407
SERIAL NO

13894331

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Abstract

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A substrate cleaning method is used for performing scrub cleaning of a surface of a substrate. The substrate cleaning method includes rotating a roll cleaning member and a substrate respectively in one direction while keeping the roll cleaning member in contact with the substrate in a cleaning area, and supplying a cleaning liquid to a surface of the substrate to scrub-clean the surface of the substrate in the presence of the cleaning liquid in the cleaning area. The cleaning liquid is supplied initially to an inverse-direction cleaning area of the cleaning area where the relative rotational velocity between the roll cleaning member and the substrate is relatively high, and thereafter to a forward-direction cleaning area of the cleaning area where the relative rotational velocity between the roll cleaning member and the substrate is relatively low while the substrate makes one revolution on a central axis thereof.

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Patent Owner(s)

  • EBARA CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishibashi, Tomoatsu Tokyo, JP 62 239

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