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.
Patent No.:
Date of Patent:
Mar. 21, 2000
Filed:
Feb. 18, 1997
Applicant:
Inventors:
Hiromichi Noguchi, Atsugi, JP;
Hiroshi Sugitani, Machida, JP;
Yutaka Koizumi, Yokohama, JP;
Tadayoshi Inamoto, Hachioji, JP;
Kiyomi Aono, Kokubunjii, JP;
Yoshie Nakata, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; H05K / ;
U.S. Cl.
CPC ...
427 96 ; 427259 ; 427287 ; 427384 ; 4273884 ; 29846 ; 216 13 ; 438754 ;
Abstract
An etching resist composition containing at least a polymeric compound having an acid value of not less than 35, a base, and water, and having a viscosity of 10 centipoises or below.