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:
Sep. 13, 2011
Filed:
Dec. 09, 2004
Tokinobu Mitasaki, Tokyo, JP;
Masakatsu Senda, Mito, JP;
Masahiro Ueno, Iruma, JP;
Takaya Tanabe, Hitachinaka, JP;
Tokinobu Mitasaki, Tokyo, JP;
Masakatsu Senda, Mito, JP;
Masahiro Ueno, Iruma, JP;
Takaya Tanabe, Hitachinaka, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A medium, that is a laminated holographic medium of the present invention is composed of two or more core layers; 3 or more cladding layersset so as to bind the core layers; one or more diffraction grating layersstoring information data and set at a boundary between a portion of the core layersand the cladding layersbinding the core layersor set inside the core layers; and one or more recording layersstoring information data as forms or a refractive index distribution and set at a boundary between a portion of the core layersand the cladding layersbinding the core layersor inside the core layersthrough or without a gap layer.