Radiation sensitive refractive index changing composition...

Details Radiation sensitive refractive index changing composition... Radiation sensitive refractive index changing composition...

C - Chemistry, Metallurgy

08

L

C08L 101/00 (2006.01) C08L 81/00 (2006.01) C08L 83/04 (2006.01) C08L 85/00 (2006.01) G02B 1/04 (2006.01) G02B 3/00 (2006.01) G02B 6/00 (2006.01) G02B 6/12 (2006.01) G03F 7/00 (2006.01) G03F 7/004 (2006.01)

Patent

CA 2408217

A composition which can be changed in refractive index by a simple method to give a refractive-index pattern and an optical material in each of which the resultant difference in refractive index is significantly large and is stable regardless of conditions of use thereafter; and a method of forming the pattern or optical material. The composition comprises (A) a decomposable compound, (B) a hydrolyzate of an alkoxide such as tetrabutoxytitanium, tetramethoxyzirconium, tetramethoxygermanium, or tetramethoxysilane or of a halide such as tetrachlorosilane, and (C) a radiation-sensitive decomposer. The composition is sensitive to a radiation.

L'invention concerne une composition dont on peut changer l'indice de réfraction au moyen d'un simple procédé permettant de conférer un motif d'indice de réfraction et un matériau optique, la différence résultante de l'indice de réfraction dans ceux-ci individuellement est très importante et stable, indépendamment des conditions d'utilisation; ainsi qu'un procédé de formation de motif ou de matériau optique. La composition comprend (A) un composé décomposable, (B) un hydrolysat d'un alcoxyde, tel que du tétrabutoxytitane, du tétraméthoxyzirconium, du tétraméthoxygermanium ou du tétratméthoxysilane ou un hydrolystat d'halogénure, tel que du tétrachlorosilane et (C) un décomposeur radiosensible. La composition est radiosensible.

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