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:
Feb. 14, 1995
Filed:
Jun. 03, 1993
Applicant:
Inventors:
Mitsuo Yoshioka, Hirakata, JP;
Yoshikazu Yamagami, Neyagawa, JP;
Akio Kashihara, Hirakata, JP;
Kiyomi Sakurai, Yawata, JP;
Assignee:
Nippon Paint Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ;
U.S. Cl.
CPC ...
430315 ; 430329 ; 430330 ; 430311 ;
Abstract
The present invention provides an improved method for forming a patterned solder mask having preferred electric insulating property, heat resistance-and chemical resistance on a printed circuit board with high resolution.