Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2005-08-16
2005-08-16
Lee, Sin J. (Department: 1752)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S281100, C430S286100, C430S288100, C430S270100, C430S009000, C430S018000, C430S321000, C430S916000, C522S183000, C522S182000, C526S242000
Reexamination Certificate
active
06929899
ABSTRACT:
A photosensitive composition having low absorption loss at 1,300-1,610 nm and is suitable for practical waveguide devices. The composition comprises at least one (meth)acrylate prepared from a fluorinated monomer or polymer having minimum two hydroxyl groups, at least one multifunctional non-fluorinated (meth)acrylate and at least one photoinitiator. An optical coating on a variety of substrates is obtained by exposing the photosensitive composition to actinic radiation such as UV light. An optical waveguide device is fabricated by patterning the photosensitive composition on a substrate.
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Eldada Louay A.
Osuch Chris E.
Pant Deepti
Pottebaum Indira S.
Xu Chuck C.
E. I. du Pont de Nemours and Company
Lee Sin J.
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