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:
Nov. 12, 1991
Filed:
Aug. 04, 1989
Applicant:
Inventors:
Stephen M Dershem, Santee, CA (US);
Richard R Weaver, Poway, CA (US);
Assignee:
Quantum Materials, Inc., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
148 22 ; 148 23 ; 148 24 ;
Abstract
Improved soldering paste for surface mounting of electronic components comprises a novel fluxing agent selected from formylated polyhydric compounds. The paste enables circuit boards to be washed with water to remove flux residues.