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US 9,069,125 B2Granted
Optical product and method for manufacturing same
AssigneeTokai Optical Co., Ltd.
InventorsShinya Hirasawa, Yoshinori Takahashi, Tetsuo Kozaki, Yuji Kato
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Abstract
An optical product according to the present invention includes a transparent base material, and a multilayer film including a dielectric film and an ITO film. The multilayer film is formed on one face or two faces of the transparent base material. The physical thickness of the ITO film is not less than 3 nanometers and not greater than 7 nanometers. The ITO film can be formed by vapor deposition with plasma treatment.
Claims10
An optical product comprising:
- a transparent base material;
- and
- a multilayer film including a dielectric film and an ITO film, the multilayer film being formed on one face or two faces of the transparent base material;
- wherein the dielectric film on a surface side relative to the ITO film includes a ZrO2 film;
- wherein the ZrO2 film is arranged directly above and directly below the ITO film;
- and
- wherein a physical thickness of the ITO film is not less than 3 nanometers and not greater than 7 nanometers.
4 more elements
Dependencies are inferred from the claim text.