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:
Jun. 13, 1989
Filed:
Feb. 16, 1988
Toshihiko Yoshitomi, Yokohama, JP;
Yoshimitsu Kobayashi, Tokyo, JP;
Yoshiyuki Kisaka, Yokohama, JP;
Hidemi Yoshida, Yokohama, JP;
Michikazu Horie, Yokohama, JP;
Takanori Tamura, Kanagawa, JP;
Mitsuaki Ohgaki, Kanagawa, JP;
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Abstract
Disclosed herein is an optical recording medium for recording informations by irradiating the optical recording medium with a laser beam to form a hole or a deformed part thereon, said optical recording medium comprising a substrate and a recording layer containing at least Te, Se and F in the amounts of from 35 to 94.9 atomic % of Te, from 5 to 25 atomic % of Se and from 0.1 to 40 atomic % of F, produced by a reactive sputtering, said Se being derived from selenium fluoride and a sputtering target of Te or a sputtering target comprising Te-Se-alloy, and a process for producing the same.