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:
May. 26, 1987
Filed:
Jan. 16, 1986
Applicant:
Inventors:
Motoyasu Terao, Nishitama, JP;
Tetsuya Nishida, Kokubunji, JP;
Yasuhiro Ohta, Yokohama, JP;
Shinkichi Horigome, Tachikawa, JP;
Yasushi Miyauchi, Hachioji, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428336 ; 428412 ; 428416 ; 428418 ; 428522 ; 4284735 ; 4284744 ; 428521 ; 428523 ; 428432 ; 428433 ; 428442 ; 428458 ; 428461 ; 428463 ; 428688 ; 428689 ; 428913 ; 346 / ;
Abstract
A thin film for recording data which is formed on a substrate directly or via a protection layer, and which develops change in the arrangement of atoms upon irradiation with a recording beam, wherein an average composition in the direction of film thickness is represented by the general formula,
Quick Actions:
Terao, Motoyasu. (1987). Thin film for recording data (U.S. Patent No. 4668573). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4668573
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile