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:
Aug. 18, 1992
Filed:
Sep. 28, 1990
Applicant:
Inventors:
Joseph H Yira, Amery, WI (US);
William F Beach, Bridgewater, NJ (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427-8 ; 427 38 ; 430139 ; 2504841 ;
Abstract
A method is provided for inducing fluorescence in films or coatings comprised in whole or in part of parylene which involves exposure of the parylene to an active plasma. A method is also provided which utilizes plasma induced fluorescence as a means for quality control inspection of films and coatings of parylene such as those contained on electronic components or for identification and/or authentication of various articles.