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:
May. 19, 1981
Filed:
Aug. 27, 1979
Applicant:
Inventors:
Michel Croset, Paris, FR;
Gonzalo Velasco, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 38 ; 148-63 ; 204 / ; 4274193 ;
Abstract
In a process for producing a surface compound between a substrate and a reactive species a thin layer permeable to the species in question is deposited on the substrate. A particularly interesting case is the oxidation of a substrate of gallium arsenide, the thin layer being made from zirconia doped with lime.