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:
May. 04, 1993
Filed:
Sep. 08, 1989
Applicant:
Inventors:
Gregory L Baker, Tinton Falls, NJ (US);
Sin-Doo Lee, Eatontown, NJ (US);
Jayantilal S Patel, Middletown, NJ (US);
Assignee:
Bell Communications Research, Inc., Livingston, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
156600 ; 156603 ; 156D / ; 156D / ; 385130 ; 385141 ;
Abstract
A technique for the preparation of an oriented thin film polydiacetylene suitable for use in channel waveguides involves depositing an alignment polymer upon a substrate, rubbing the surface thereof to effect orientation, depositing the polydiacetylene thereon and heating to a temperature just below the melting point thereof.