Optical members and compositions for producing them

Details Optical members and compositions for producing them Optical members and compositions for producing them

2003-11-14

2008-03-11

Song, Sarah (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

With graded index core or cladding

Reexamination Certificate

active

07343073

ABSTRACT:
It is disclosed a polymerizable composition for producing an optical member for 850 nm wavelength comprising: a polymerizable monomer composition and a compound, having a different refractive index from that of the polymerizable monomer composition, whose structure has a benzene ring substituted by a substituent having a Hammett value of not greater than 0.04 or by plural substituents having an average value of Hammett values thereof of not greater than 0.04. It is also disclosed a polymerizable composition for producing an optical member comprising a polymerizable monomer composition comprising at least one selected from the group consisting of C7-20alicyclic (meth)acrylates and a compound, having a different refractive index from that of the polymerizable monomer composition and having a solubility parameter of not greater than 10.9, whose structure has a benzene ring substituted by the substituent or the substituents defined above.

REFERENCES:
patent: 5541247 (1996-07-01), Koike
patent: 5663264 (1997-09-01), Kawai et al.
patent: 33 11 872 (1983-10-01), None
patent: 0 566 744 (1993-10-01), None

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