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:
Feb. 12, 2013
Filed:
Jul. 28, 2010
Hideo Ando, Hino, JP;
Seiji Morita, Yokohama, JP;
Koji Takazawa, Tokyo, JP;
Yasuaki Ootera, Yokohama, JP;
Naoki Morishita, Yokohama, JP;
Kazuyo Umezawa, Yokohama, JP;
Hideo Ando, Hino, JP;
Seiji Morita, Yokohama, JP;
Koji Takazawa, Tokyo, JP;
Yasuaki Ootera, Yokohama, JP;
Naoki Morishita, Yokohama, JP;
Kazuyo Umezawa, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum absorption wavelength in the vicinity of 405 nm is defined as 1, the absorbance is 5% or more at any wavelength in the range of 600 nm to 700 nm.