The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 28, 2017

Filed:

Aug. 01, 2013
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Kohei Mori, Kumamoto, JP;

Hirokazu Tanaka, Kumamoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); B08B 1/00 (2006.01);
U.S. Cl.
CPC ...
B08B 1/002 (2013.01); H01L 21/67046 (2013.01); H01L 21/67253 (2013.01);
Abstract

A substrate cleaning apparatus according to an exemplary embodiment of the present disclosure includes a cleaning body head unit, a first load detection unit, and a buoyancy imparting unit. In the cleaning body head unit, a cleaning body, a shaft configured to support the cleaning body, a rotating mechanism configured to rotate the shaft, and a base member are integrally retained by a base member. The first load detection unit includes one end connected to the base member of the cleaning body head unit to detect the load received from the cleaning body head unit. The buoyancy imparting unit is connected to the other end of the first load detection unit and imparts buoyancy to the cleaning body head unit via the first load detection unit.


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