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:
Nov. 14, 2017

Filed:

Jan. 07, 2015
Applicant:

Sanyo Electric Co., Ltd., Osaka, JP;

Inventors:

Masaki Shima, Kyoto, JP;

Shinji Kobayashi, Hyogo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B07C 5/02 (2006.01); H01L 21/67 (2006.01); H01L 31/18 (2006.01); B08B 3/10 (2006.01); H01L 31/0236 (2006.01);
U.S. Cl.
CPC ...
H01L 31/18 (2013.01); B08B 3/10 (2013.01); H01L 31/02363 (2013.01); Y02E 10/50 (2013.01);
Abstract

In a processing of immersing substrates in a chemical solution, and agitating the chemical solution by as bubbles or liquid, the gas bubbles or liquid is supplied so as to bring about alternate occurrence of a first state and a second state. The first state is a state in which an amount of the gas bubbles or the liquid supplied to first side in one direction of each substrate is greater than an amount of the gas bubbles or the liquid supplied to a second side in the one direction of the substrate. The second state is a state in which the amount of the gas bubbles or the liquid supplied to the first side in the one direction of the substrate is smaller than the amount of the gas bubbles or the liquid supplied to the second side in the one direction of the substrate.


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