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:
Jul. 12, 1983
Filed:
Jul. 27, 1981
Applicant:
Inventors:
Robert A Barker, Plainfield, NJ (US);
Edith C Ong, New Providence, NJ (US);
Assignee:
Bell Telephone Laboratories, Incorporated, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
2957 / ; 29578 ; 29591 ;
Abstract
A method for forming electrical interconnections in an integrated circuit which involves forming an insulating layer on the silicon chip on the lower of two conductive layers to be interconnected, opening a window in the insulating layer, filling the window with a metallic plug by a lift-off technique, and then forming an interconnection pattern extending over the layer and contacting the plug.