RESIN MATERIAL FOR OPTICAL USE AND OPTICAL DEVICE
Disclosed is a resin material for optical use, which has refractive index and transparency suitable for optical devices, while having extremely small change in refractive index dependent on temperature. In addition, the resin material for optical use is excellent in forming suitability and heat resi...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Disclosed is a resin material for optical use, which has refractive index and transparency suitable for optical devices, while having extremely small change in refractive index dependent on temperature. In addition, the resin material for optical use is excellent in forming suitability and heat resistance after a reflow process. Also disclosed is an optical device using a resin material for optical use. Specifically disclosed is a transparent resin material for optical use which is composed of a curable resin containing inorganic fine particles whose surfaces are modified with an organic compound. This transparent resin material for optical use is characterized in that the inorganic fine particles are composed of an amorphous silica containing a metal oxide crystal, and have an average particle diameter of not less than 1 nm but more than 50 nm. |
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