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:
Sep. 29, 1992
Filed:
Nov. 20, 1990
Yasushi Takahashi, Tachikawa, JP;
Hiromi Matsuura, Tokorozawa, JP;
Yoshihisa Koyama, Akishima, JP;
Masaya Muranaka, Akishima, JP;
Katsutaka Kimura, Akishima, JP;
Kazuyuki Miyazawa, Iruma, JP;
Masamichi Ishihara, Hamura, JP;
Hidetoshi Iwai, Ohme, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi VLSI Engineering Corp., Kodaira, JP;
Abstract
A semiconductor integrated circuit device is provided which includes a memory cell array located in a generally central area of a semiconductor substrate with peripheral circuits located at both ends of the semiconductor substrate. A wiring layer is also provided which couples the peripheral circuits to one another. This wiring layer is arranged to have a double-layer structure of first and second aluminum layers which are electrically coupled to one another.