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. 05, 1995
Filed:
Jan. 26, 1994
Applicant:
Inventors:
Hans Schulz, Furstentum, LI;
Erich Bergmann, Mels, CH;
Assignee:
Balzers Aktiengesellschaft, Furstentum, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
428701 ; 428699 ; 428702 ; 428469 ; 428472 ;
Abstract
The hard coating includes mainly (Al,Cr).sub.2 0.sub.3 mixed crystals and a chrome content higher than 5 at %. The coating is deposited at a temperature lower than 900.degree. C., preferably lower than 500.degree. C. The hard coating is deposited by a CVD or PVD process.