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:
Dec. 04, 2012
Filed:
Jul. 26, 2010
Akio Tsuchino, Osaka, JP;
Takashi Nishihara, Osaka, JP;
Rie Kojima, Osaka, JP;
Noboru Yamada, Osaka, JP;
Akio Tsuchino, Osaka, JP;
Takashi Nishihara, Osaka, JP;
Rie Kojima, Osaka, JP;
Noboru Yamada, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The information recording medium () of the present invention includes a recording film (). The information recording medium () allows information to be recorded and reproduced on and from the information recording medium by irradiation of the recording film () with a laser beam (). The information recording medium () of the present invention further includes a mixed dielectric film (the second dielectric film) disposed on the laser beam () incident side with respect to the recording film (). The mixed dielectric film contains a mixed dielectric material consisting of Zn sulfide, Si oxide and an oxide X (where the oxide X is an oxide of at least one element selected from Ti, Nb, Ta and Ce).