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. 24, 2009
Filed:
Nov. 12, 2004
Rumiko Hayase, Yokohama, JP;
Akiko Hirao, Chiba, JP;
Kazuki Matsumoto, Kawasaki, JP;
Takayuki Tsukamoto, Kawasaki, JP;
Urara Ichihara, Legal Representative, Yokohama, JP;
Rumiko Hayase, Yokohama, JP;
Akiko Hirao, Chiba, JP;
Kazuki Matsumoto, Kawasaki, JP;
Takayuki Tsukamoto, Kawasaki, JP;
Urara Ichihara, legal representative, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
Disclosed is a holographic optical recording medium, comprising a recording layer containing a three dimensionally cross-linked polymer matrix, a radically polymerizable compound, and a photo radical polymerization initiator, the three dimensionally cross-linked polymer matrix comprising a cured material of a reaction product between a diglycidyl ether and an amine, the diglycidyl ether being selected from the group consisting of 1,6-hexanediol diglycidyl ether and diethylene glycol diglycidyl ether.