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:
Aug. 19, 1997
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Wataru Sotoyama, Kawasaki, JP;
Satoshi Tatsuura, Kawasaki, JP;
Tetsuzo Yoshimura, Kawasaki, JP;
Azuma Matsuura, Kawasaki, JP;
Tomoaki Hayano, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; G02B / ; G02B / ; G02F / ;
U.S. Cl.
CPC ...
528353 ; 526259 ; 526265 ; 359242 ; 359244 ; 359245 ; 385122 ; 385123 ; 385124 ; 385126 ; 385131 ;
Abstract
A nonlinear optical material composed of a polyimide obtained from a diamine and/or a diacid anhydride or dithioacid anhydride substituted by a portion having a nonlinear optical effect or of molecules having a benzocyclobutene structure substituted at the portions having an nonlinear linear optical effect.