abstract |
The present invention relates to metal oxide fine particles treated with a surface-treating agent containing a silicon compound having an alkenyl group having 2 to 20 carbon atoms, a silicone resin composition obtained by reacting the metal oxide fine particles with an oxganohydrogensiloxane, a photosemiconductor element-encapsulating material containing the silicone resin composition, and a photosemiconductor device including a photosemiconductor element encapsulated with the silicone resin composition or the photosemiconductor element-encapsulating material. |