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:
Dec. 13, 1983
Filed:
Oct. 05, 1981
Allan W McCullough, Irving, TX (US);
Richard A Springer, Euless, TX (US);
Materials Technology Corporation, Dallas, TX (US);
Abstract
A method providing for the non-wetting of predetermined portions of articles exposed to molten filler metals during soldering or brazing operations wherein predetermined areas of said elements are provided with a layer of chemical vapor deposited titanium carbide with an overlayer of titanium nitride or with a layer of titanium diboride to resist wetting of the coated areas by the filler metals. Articles coated by the non-wetting titanium compounds include circuit board support brackets and other elements used in immersion soldering machines, and heating elements for soldering operations such as soldering tips for various types of heated soldering tools and the like.