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US 5,513,289 AGranted
Optical integrated lens/grating coupling device
AssigneeOmron Tateisi Electronics Co.
InventorsHayami Hosokawa, Tsukasa Yamashita
Life of this patent
Estimating the term…
Abstract
An optical device manufacturing method includes a step of accumulating an optical device inorganic material on a stamper by use of a vacuum thin-film growing method, and a step of removing the accumulated material from the stamper, thereby producing an optical device.
Claims24
An optical device comprising:
- an optical device element having an optically functional pattern defined by a depression and a projection on a surface thereof;
- a layer having a flat outer surface and formed on said surface of said optical device element with a material having a refractive index different from a refractive index of a material of said optical device element;
- and
- wherein said layer is formed with photosetting resin.
1 more element
An optical device comprising:
- an optical device element having an optically functional pattern defined by a depression and a projection on a surface thereof;
- a layer having a flat outer surface and formed on said surface of said optical device element with a material having a refractive index different from a refractive index of a material of said optical device element;
- and
- a second optical device element formed on said flat outer surface of said layer, said second optical device element having an optically functional pattern defined by a depression and a projection on a surface thereof.
1 more element
An optical device comprising:
- an optical device element having an optically functional pattern defined by a depression and a projection on a surface thereof;
- and
- a transparent substrate having a flat outer surface and adhered on said surface of said optical device element by an adhesive layer of a material having a refractive index different from a refractive index of a material of said optical device element.
An optical device, comprising:
- a first optical device element having an optically functional pattern defined by a depression and a projection on a surface thereof;
- a second optical device element having a flat inner surface;
- and
- a layer of a synthetic resin having a refractive index different from a refractive index of a material of said first optical device element and interposed between said first and second optical device elements so as to be in contact with said optically functional pattern of said first optical device element and said flat inner surface of said second optical device element.
1 more element
Dependencies are inferred from the claim text.