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:
Mar. 05, 1985
Filed:
Feb. 02, 1984
Applicant:
Inventor:
Joseph M Hunt, Natrona Heights, PA (US);
Assignee:
Allegheny Ludlum Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H05K / ;
U.S. Cl.
CPC ...
427 86 ; 148-616 ; 148174 ; 428620 ; 427 87 ; 427 93 ;
Abstract
A composite article, and method for producing the same, said article being adapted for use as a semiconductor device. The composite article comprises and is produced by depositing on a first layer of metal having an irregular metal surface a second layer consisting essentially of a phosphate, silicate or a combination thereof, said second layer having a thickness sufficient to provide a smooth surface over said irregular metal surface and a third layer of a conventional semiconductor material coated on said smooth surface.