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. 12, 1989
Filed:
Nov. 14, 1988
Applicant:
Inventors:
Motoyasu Terao, Tokyo, JP;
Tetsuya Nishida, Kokubunji, JP;
Yasushi Miyauchi, Hachioji, JP;
Shinkichi Horigome, Tachikawa, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365151 ; 365113 ; 369 94 ; 369283 ; 369288 ;
Abstract
An information-recording thin film provided on a substrate directly or through a protective layer has an average composition of the thin film being represented by the general formula;