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:
Dec. 21, 1993
Filed:
Mar. 27, 1992
Applicant:
Inventors:
Herbert Schachner, Grand-Lancy, CH;
Gerard Horlaville, Reignier, FR;
Assignee:
Battelle Memorial Institute, Carouge/Ge, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428408 ; 174258 ; 428446 ; 428698 ; 428699 ; 428901 ;
Abstract
The laminate material comprises a sintered silicon carbide substrate (S) on which there is deposited by CVD a diamond layer in an enclosure (1) fed with 1% methane in hydrogen through a conduit (13), this gas mixture being activated by a hot tantalum filament raised to 2000.degree. C. This layer is thereafter covered, in another enclosure, with an AlN layer formed from a mixture of H.sub.2 +2% AlCl.sub.3 reacting with a mixture of H.sub.2 +1% NH.sub.3.