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:
Sep. 02, 1980
Filed:
Dec. 07, 1978
Applicant:
Inventors:
Minoru Arai, Tokyo, JP;
Akio Baba, Fuchu, JP;
Assignee:
Tokyo Print Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
174 685 ; 361402 ;
Abstract
A new and unique printed wiring board completely free from trouble of solder bridging that often takes place with the conventional printed wiring board. The printed wiring board of the present invention is provided with a raised portion of solder resist ink in the form of a ridge around the periphery of the land to be printed or at an area between adjacent lands to be soldered, the said raised portion being an extension of a solder resist thin layer coated on the insulator base board exclusive the said land.