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. 17, 1978
Filed:
Apr. 10, 1978
Applicant:
Inventors:
Joseph G Ameen, Apalachin, NY (US);
Glenn V Elmore, Vestal, NY (US);
Anthony E Peter, Endicott, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 148 22 ; 228118 ; 2281 / ; 228215 ; 260 / ; 427 58 ; 427259 ; 428411 ;
Abstract
A polysulfone base stop resist material to protect gold thermocompression bonding sites on a circuit module during a solder dipping operation. Along with the thermoplastic, thermostable strippable base of polysulfone, the resist includes a solvent for the polysulfone and a filler which holds the melted polysulfone in place during the solder dipping operation.
Ameen, Joseph. (1978). Strippable solder mask material comprising polysulfone, silicon dioxide (U.S. Patent No. 4120843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4120843
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile