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. 13, 2007
Filed:
Jun. 16, 2006
Tsukasa Nakai, Hino, JP;
Sumio Ashida, Yokohama, JP;
Keiichiro Yusu, Yokohama, JP;
Takayuki Tsukamoto, Kawasaki, JP;
Noritake Oomachi, Yokohama, JP;
Naomasa Nakamura, Yokohama, JP;
Katsutaro Ichihara, Yokohama, JP;
Tsukasa Nakai, Hino, JP;
Sumio Ashida, Yokohama, JP;
Keiichiro Yusu, Yokohama, JP;
Takayuki Tsukamoto, Kawasaki, JP;
Noritake Oomachi, Yokohama, JP;
Naomasa Nakamura, Yokohama, JP;
Katsutaro Ichihara, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A phase-change optical recording medium has a phase-change recording film to which recording and erasure can be reversibly performed by irradiation with light, and at least one dielectric film formed of a SiOC film containing Si, O and C, and having a carbon concentration within a range of between 0.1 and 30 atomic %.