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:
Apr. 29, 2008

Filed:

Dec. 06, 2004
Applicant:

Yoshikazu Kawagoe, Nara, JP;

Inventor:

Yoshikazu Kawagoe, Nara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A chemical solution coating method includes: a first step of disposing a semiconductor substrate on a substrate supporting unit with a first face to be coated with a chemical solution facing upward; a second step of moving a chemical solution spraying member for spraying the chemical solution to an initial position which is positioned in the vicinity of the first face of the semiconductor substrate and where the chemical solution is to be applied; and a third step of moving the chemical solution spraying member from the initial position in accordance with a predetermined travel pattern and, simultaneously, spraying the chemical solution from the chemical solution spraying member toward the first face of the semiconductor substrate.


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