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, 2004
Filed:
Mar. 29, 2001
Applicant:
Inventors:
James G. Shelnut, Northboro, MA (US);
Matthew L. Moynihan, Sterling, MA (US);
Assignee:
Shipley Company, L.L.C., Marlborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 ;
U.S. Cl.
CPC ...
G02B 6/00 ;
Abstract
Provided are photodefinable compositions. The compositions include a silsesquioxane oligomer that has polymerized units of the formula (RSiO ), wherein R is selected from hydroxyphenyl or hydroxybenzy, and a photoactive component. The solubility of the silsesquioxane oligomer is altered upon exposure to actinic radiation. Also provided are methods of manufacturing optical waveguides, optical waveguides and electronic devices.