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:
Oct. 08, 1991
Filed:
Jul. 11, 1990
Applicant:
Inventors:
Israil M Sukonnik, Plainville, MA (US);
James A Forster, Barrington, RI (US);
Henry F Breit, Attleboro, MA (US);
Gary A Raphanella, South Easton, MA (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361387 ; 174258 ; 361403 ; 428901 ;
Abstract
A substrate is provided for mounting semiconductor devices and comprises an electrically conductive circuit layer, a base layer of an aluminum metal material, and an electrically insulating hard coating dielectric layer of amorphous aluminum oxide which is directly adherent to the base layer for mounting the electrically conductive circuit layer thereon.