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:
Nov. 25, 1986
Filed:
Sep. 12, 1985
Applicant:
Inventors:
Kunio Kimura, Makino Kita-machi, Hirakata-shi, Osaka, JP;
Masatoshi Takao, Setoguchi, Hirano-ku, Osaka-shi, Osaka, JP;
Nobuo Akahira, Otokoyama Kanaburi, Yawata-shi, Kyoto, JP;
Mutsuo Takenaga, Ikuno, Katano-shi, Osaka, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; B32B / ;
U.S. Cl.
CPC ...
430495 ; 427250 ; 427252 ; 430346 ; 430945 ; 430964 ;
Abstract
An optical information recording medium comprising a substrate and a photosensitive thin layer consisting of Te, O and Pd. When exposed to optical energy, this thin layer is capable of undergoing a phase change by which an optical transmittance is changed. The addition of Pd results in an improvement of a response time to a great extent. This optical information recording medium is preferably made by a method using a Pd evaporation source and another source for Te+TeO.sub.2.