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:
Oct. 24, 1989
Filed:
Sep. 11, 1986
Applicant:
Inventors:
Ashok K Mehan, Union City, CA (US);
Hans E Lunk, Menlo Park, CA (US);
Assignee:
Raychem Corporation, Menlo Park, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427118 ; 156187 ; 4273881 ; 4273882 ;
Abstract
When metal conductors are stored, especially in humid environments, their solderability decreases. The rate at which solderability decreases can be reduced by treating the conductor with a suitable surface active agent, particularly one which has an HLB (hydrophile-lipophile balance) number of less than 10, preferably less than 5. The surface active agent can be applied to the conductor with a suitable liquid carrier, e.g. as a solution in a mineral oil or a halogenated hydrocarbon. If desired, a polymeric insulating jacket can be melt-extruded or wrapped over the treated conductor.