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US 2004/0169944 A1Published application
Reflection mirror and optical equipment using the same
AssigneeCanon Kabushiki Kaisha
InventorsMitsuharu Sawamura, Shumpei Tatsumi
Life of this patent
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Abstract
A reflection mirror includes an underlaying layer, a reflection layer, and a protective layer on a resin substrate in the order from the resin substrate, in which the reflection layer is composed of an Ag film, each of the underlaying layer and the protective layer includes at least one TiO2 film and at least one Al2O3 film, and a film of the underlaying layer contacting the resin substrate is a TiO2 film.
Claims11
A reflection mirror comprising:
- a resin substrate;
- an underlaying layer formed on the resin substrate, the underlaying layer including at least one TiO2 film and at least one Al2O3 film, wherein a film of the underlaying layer contacting the resin substrate is a TiO2 film;
- a reflection layer composed of an Ag film formed on the underlaying layer;
- and
- a protective layer formed on the reflection layer, the protective layer including at least one TiO2 film and at least one Al2O3 film.
2 more elements
Dependencies are inferred from the claim text.