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:
Mar. 07, 1978
Filed:
Sep. 20, 1976
Applicant:
Inventors:
John Peter Redmond, Mechanicsburg, PA (US);
Albert Shirk, Palmyra, PA (US);
Elmer John Bottiglier, Harrisburg, PA (US);
Richard Henry Zimmerman, Palmyra, PA (US);
Assignee:
AMP Incorporated, Harrisburg, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427 98 ; 427261 ; 427304 ; 427306 ; 427307 ; 106-105 ; 106-124 ;
Abstract
A method is disclosed for the generation of circuit patterns on a polyimide type of substrate by preconditioning the substrate's surface with a hydrazine/caustic solution, depositing a catalyst on the surface treated polymer, and exposing the polymer with the catalyst thereon to a bath having a metal therein capable of deposition electrolessly on the polymer surface containing catalyst.