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:
Feb. 17, 1976
Filed:
Apr. 30, 1974
Applicant:
Inventors:
Vlasta Brusic, Mount Kisco, NY (US);
Robert O Lussow, Hopewell Junction, NY (US);
Assignee:
International Business Machines, Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
427403 ; 427405 ; 427419 ; 148-63 ; 148-631 ;
Abstract
Chromium is passivated by forming a chromium oxide layer thereon by heating at temperatures of about 450.degree.C in an atmosphere containing oxygen. While useful, per se, the process finds particular application as an integral part of overall processing schemes where thermal cycles are used.