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:
Dec. 21, 2010
Filed:
Jul. 31, 2008
Applicants:
Takami Hikita, Osaka, JP;
Masayuki Hodono, Osaka, JP;
Kunio Nagasaki, Osaka, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical waveguide film includes a film including a clad layer and a core layer covered by the clad layer; and an adhesive layer formed at least on one surface of the film, having a rough structured surface having an arithmetic mean surface roughness of 0.1 to 2.0 μm, and having a storage modulus at 25° C. of 10 to 100 MPa obtained by dynamic viscoelastic measurement in torsion mode with a frequency of 1 Hz.