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:
Jan. 11, 1977
Filed:
Jul. 28, 1975
Applicant:
Inventor:
Roelof P Bult, Fruitvale, CA;
Assignee:
Cominco Ltd., Vancouver, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148 203 ; 7513 / ; 7513 / ; 75138 ; 148-15 ; 148 32 ; 252 / ;
Abstract
Aluminum arsenide crystals, wherein gallium has been substituted for a minor portion of aluminum and which may be represented by the general formula Al.sub.1-x Ga.sub.x As wherein x has values in the range of 0.02 to 0.30, are annealed at a temperature of at least 700.degree. C in presence of arsenic vapor whereby the stability of the crystals against attack by moisture is improved.
Quick Actions:
Bult, Roelof. (1977). Stabilization of aluminum arsenide (U.S. Patent No. 4002505). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4002505
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile