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:
Mar. 20, 1979
Filed:
Mar. 17, 1978
Applicant:
Inventors:
Rudolf P Tijburg, Eindhoven, NL;
Teunis VAN Dongen, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
204 15 ; 204 / ;
Abstract
A method of manufacturing a semiconductor device for generating laser beams is disclosed in which the mirror faces of the device are subjected to an oxidation treatment which includes an electrolytic oxidation step.