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:
Sep. 22, 1981
Filed:
Dec. 26, 1979
Applicant:
Inventors:
Paul Boduch, Arlington, MA (US);
Robert Trasavage, Mashpee, MA (US);
Assignee:
W. R. Grace & Co., Cambridge, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430313 ; 430281 ; 430286 ; 430323 ; 430325 ; 430327 ; 430494 ;
Abstract
A method of relief imaging liquids, particularly in manufacturing circuit boards, by providing a film of liquid photopolymer, solidifying the liquid by chemical hardening using actinic light, then pattern exposing the solidified film to actinic light to differentially chemically condition the film and then removing the portions of the film not exposed to the patterened exposure of actinic light. Also the product produced by the method.
Quick Actions:
Boduch, Paul. (1981). Relief imaging liquids (U.S. Patent No. 4291118). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4291118
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile