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:
Dec. 11, 1990
Filed:
Mar. 29, 1989
Applicant:
Inventors:
Wolf Bach, Southbury, CT (US);
Donald R Ferrier, Thomaston, CT (US);
Peter E Kukanskis, Woodbury, CT (US);
Ann S Williams, Southbury, CT (US);
Mary J Senechal, Canton, CT (US);
Assignee:
MacDermid, Incorporated, Waterbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427 98 ; 427304 ; 427305 ; 427306 ; 427 97 ;
Abstract
Non-conductive surfaces, particularly through-hole surfaces in double-sided or multi-layer printed circuit board, are treated (conditioned) to receive void-free, adherent electroless metal coatings by contact of the surfaces with an organosilane preparatory to catalyzation and metallization.