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. 10, 1977
Filed:
Jun. 13, 1975
Applicant:
Inventors:
James R Black, Phoenix, AZ (US);
Elliott M Philofsky, Phoenix, AZ (US);
Assignee:
Motorola, Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
427 91 ; 29591 ; 156654 ; 156655 ; 357 65 ;
Abstract
A semiconductor device having metallization consisting essentially of beryllium. The beryllium makes ohmic contact by deposition on a substrate at 300.degree. C-400.degree. C or it is deposited at lower temperatures and then heat treated to render ohmic the contact to the semiconductor device.