Resin composition for optical waveguide, and optical...

Details Resin composition for optical waveguide, and optical... Resin composition for optical waveguide, and optical...

2011-08-09

2011-08-09

Peng, Charlie (Department: 2883)

Optical waveguides

Having particular optical characteristic modifying chemical...

C385S143000, C385S145000, C430S056000

Reexamination Certificate

active

07995895

ABSTRACT:
A resin composition for an optical waveguide is provided, which comprises: an epoxy compound represented by the following general formula (1):wherein m is 1 or a positive integer, n is 1 or a positive integer, R and R′ which may be the same or different are each represented by the following formula (2) or (3), wherein c is a positive integer of 1 to 3 and each one of c may be the same or different, and X is represented by the following formula (4):wherein a is an integer of 0 to 2, and b is a positive integer of 1 to 3, and satisfy a condition of a+b=3; and a photoacid generator. The resin composition has a lower viscosity, and is excellent in flexibility and moisture absorption resistance. An optical waveguide produced by employing the resin composition is also provided.

REFERENCES:
patent: 6611651 (2003-08-01), Ogawa et al.
patent: 2003-147045 (2003-05-01), None
patent: 2004-10849 (2004-01-01), None
patent: 2005-225964 (2005-08-01), None
European Search Report dated Oct. 29, 2009, issued in corresponding European Patent Application No. 09164105.0.

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