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:
Apr. 12, 1977
Filed:
Dec. 20, 1974
Applicant:
Inventors:
D Eirug Davies, Belmont, MA (US);
Sven A Roosild, Billerica, MA (US);
Russell P Dolan, Jr, Concord, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 52 ; 357 50 ; 357 61 ; 357 91 ; 357 63 ;
Abstract
The use of ion implantation to produce low concentrations of chromium, oxygen or iron in a gallium arsenide junction type semiconductor, utilizing the accompanying low resistivity to provide an improved device.