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:
Jul. 06, 2010
Filed:
Feb. 27, 2007
Applicants:
Kazuya Hayashibe, Miyagi, JP;
Takao Kudo, Miyagi, JP;
Yusuke Suzuki, Miyagi, JP;
Masahiro Sawaguchi, Miyagi, JP;
Inventors:
Kazuya Hayashibe, Miyagi, JP;
Takao Kudo, Miyagi, JP;
Yusuke Suzuki, Miyagi, JP;
Masahiro Sawaguchi, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hologram recording medium includes a stack of at least a lower transparent substrate, a recording layer made of a photocurable organic material, and an upper transparent substrate, wherein a spacer for keeping a thickness of the recording layer is dispersed and disposed in the inside of the recording layer in a direction of a principal plane of the hologram recording medium.