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:
Sep. 10, 2024

Filed:

Oct. 16, 2020
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Hidemasa Aratake, Koshi, JP;

Osamu Kuroda, Koshi, JP;

Kouzou Kanagawa, Koshi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); B08B 3/04 (2006.01); B08B 3/14 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67057 (2013.01); B08B 3/048 (2013.01); B08B 3/14 (2013.01); H01L 21/02057 (2013.01); H01L 21/67253 (2013.01);
Abstract

A substrate processing apparatus includes a processing tub, a storage, a liquid recovery unit, a storage drain line and a liquid recovery unit drain line. The processing tub is allowed to accommodate therein multiple substrates, and configured to store therein a processing liquid. The storage is connected to the processing tub, and configured to store therein the processing liquid drained from the processing tub. The liquid recovery unit is configured to receive the processing liquid overflown from the processing tub. The storage drain line is configured to drain a liquid stored in the storage. The liquid recovery unit drain line is configured to drain a liquid received from the liquid recovery unit to an external drain line provided at an outside.


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