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.

Date of Patent:
Dec. 09, 1980

Filed:

Oct. 02, 1979
Applicant:
Inventors:

Raymond W Angelo, Endwell, NY (US);

Richard M Poliak, Endwell, NY (US);

John R Susko, Binghampton, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ; H01L / ;
U.S. Cl.
CPC ...
427 96 ; 29588 ; 29841 ; 29855 ; 2603 / ; 260 / ; 427 82 ; 4273855 ; 528350 ; 528353 ;
Abstract

A protective layer composition, suitable for protecting metal electrodes on components and other microelectronic circuitry, comprises an organic thermoplastic polymeric material, an organic solvent or solvents, and a non-ionic fluorocarbon surfactant as a wetting/leveling/flow control agent. A typical formulation comprises an aromatic polymer which cures to form a polyamide-imide polymer, an organic solvent or a mixture of orangic solvents and a non-ionic fluorocarbon surfactant.


Find Patent Forward Citations

Angelo, Raymond. (1980). Polyimide coating process and material (U.S. Patent No. 4238528). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4238528

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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