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:
Nov. 24, 1992
Filed:
Dec. 23, 1991
Applicant:
Inventors:
Klaus Oehlmann, Engen, DE;
Franz Kolb, Rielasingen, DE;
Dietrich Bubeck, Singen, DE;
Martin Werner, Singen, DE;
Assignee:
Swiss Aluminium Ltd., Chippis, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B44C / ; C23F / ;
U.S. Cl.
CPC ...
428209 ; 156634 ; 156656 ; 1566591 ; 156665 ; 156902 ; 428458 ; 430318 ;
Abstract
Foil includes a first etch-resistant layer which at least partially covers the neighboring layer and has a weight per unit area of 0.5-20 g/m.sup.2, a first aluminum or aluminum alloy layer having a thickness of about 30 .mu.m to 150 .mu.m, a dielectric layer of plastic having a thickness of about 5 to 100 .mu.m, a second aluminum or aluminum alloy layer having a thickness of about 30 .mu.m to 150 .mu.m, and a second etch-resistant layer which at least partially covers the neighboring layer and has a weight per unit area of 0.5 to 20 g/m.sup.2.