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:
Apr. 21, 2009
Filed:
Jun. 10, 2003
Applicants:
Hiroyuki Otaki, Tokyo, JP;
Toshio Yoshihara, Tokyo, JP;
Tetsuya Toshine, Kashiwa, JP;
Inventors:
Assignee:
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is a main object of the present invention to provide a volume hologram layer with good foil cutting property which is used for a volume hologram transfer foil and the like. The present invention provides a volume hologram layer wherein when the layer thickness thereof is 20 μm, breaking strength is in a range from 10 MPa to 30 MPa and breaking strain is in a range from 0.1% to 3% at 25° C., and breaking strength is in a range from 0.1 MPa to 1 MPa and breaking strain is in a range from 0.1% to 5% at 130° C., to thereby solve the above problem.