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US4948216A Optical devices having layers of low molecular weight organic materials and methods for making 失效
具有低分子量有机材料层的光学器件和制造方法

Optical devices having layers of low molecular weight organic materials
and methods for making
摘要:
There is disclosed an optical device comprising a support having thereon a transparent amorphous layer of a low molecular weight organic compound, said layer having a glass transition temperature above about 50.degree. C. Also disclosed is a method for making the device including the step of vacuum depositing the organic compound on the support. Particularly preferred devices are integrated optical devices which include a pattern of a second index of refraction or effective index of refraction in the layer, which pattern can define an optical element.
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