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. 03, 1991
Filed:
Jun. 04, 1990
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 23 ; 148 22 ; 148 24 ; 148 25 ;
Abstract
Improved soldering paste for the surface mounting of electronic components comprises a novel fluxing agent selected from quaternary ammonium hydroxides and mixtures thereof. Use of these agents as fluxes eliminates the problem of ionic residues on circuit boards and permits the boards to be washed with water to remove any non-ionic residues.
Quick Actions:
Dershem, Stephen. (1991). Non-ionic, water washable soldering paste (U.S. Patent No. 5045127). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5045127
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile