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:
Jun. 20, 1978
Filed:
Nov. 04, 1976
Applicant:
Inventor:
Richard Frederick Rutz, Cold Spring, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
29589 ; 29590 ; 148174 ; 148175 ; 156611 ; 156612 ; 357-4 ; 357 17 ; 357 45 ; 357 61 ; 423412 ; 427 87 ;
Abstract
An ultraviolet light emitting diode array of aluminum nitride grown on a sapphire substrate is fabricated by sputtering a preliminary layer of aluminum nitride onto a sapphire substrate, then placing said coated substrate in contact with a source of aluminum nitride and heating said composite in a particular atmosphere, resulting in the deposition of layers of aluminum nitride onto said coated substrate.