A silicone composition comprises (A) an organopolysiloxane resin having the formula (R1R22SiO1/2)v(R22SiO2/2)w(R2SiO3/2)x(R3SiO3/2)y(SiO4/2)z, wherein R1 is C1 to C10 hydrocarbyl, R2 is R1 or an epoxy-substituted organic group, R3 is C4 to C8 alkyl, v is from 0 to 0.3, w is from 0 to 0.5, x is from 0 to 0.9, y is from 0.1 to 0.8, z is from 0 to 0.5, and v+w+x+y+z=1, provided that the organopolysiloxane resin has an average of at least two silicon-bonded epoxy-substituted organic groups per molecule; (B) an organic solvent; and (C) a photoinitiator. Planar optical waveguide assemblies having one or more layers comprising the silicone composition, and methods for preparing the planar optical waveguide assemblies are provided.
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机译：硅氧烷组合物包含（A）具有式（R 1 R 2 2 SiO 1/2 ） v （R 2 2 SiO 2/2 ） w （R 2 SiO 3/2 ） x （R 3 SiO 3/2 ） y （SiO 4/2 ） z ，其中R 1 是C 1 到C 10 烃基，R 2 是R 1 或环氧取代的有机基团，R 3 是C 4 至C 8 烷基，v为0至0.3，w为0至0.5，x为0至0.9，y为0.1至0.8，z为假设有机聚硅氧烷树脂每分子平均具有至少两个与硅键合的环氧取代的有机基团，则为0至0.5，且v + w + x + y + z = 1。 （B）有机溶剂; （C）光引发剂。提供了具有包含硅酮组合物的一层或多层的平面光波导组件，以及用于制备平面光波导组件的方法。
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