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:
Jul. 25, 2000
Filed:
Nov. 12, 1998
Applicant:
Inventors:
Jurgen Schulz-Harder, Lauf, DE;
Karl Exel, Rimbach/Odw., DE;
Assignee:
Curamik Electronics GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 97 ; 205125 ; 205126 ; 204224 ; 204228 ; 204920 ;
Abstract
The invention relates to a novel process for producing a copper ceramic substrate with at least one through-plated hole, with a ceramic layer which has at least one opening for the through-plating, on one surface side is provided with a first metal coating and on the opposite surface side with a second metal coating which extends into at least one opening and is connected to the first metal coating, for formation of the first metal coating a copper foil being applied by DCB technique to one surface side of the ceramic layer.