Mirror using transparent synthetic resin plate
First Claim
Patent Images
1. A mirror comprising:
- a transparent plate of synthetic resin;
a surface-hardening layer coated on all surfaces of the resin plate;
a reflective metal layer deposited on the surface-hardening layer of one side of the resin plate, anda back-coat layer closely covering the surface of the reflective metal layer,wherein said metal layer is formed by a dry metal plating, said metal being selected from the group consisting of tin and an alloy of tin and copper (Sn;
Cu=1;
less than 0.4 by weight), the thickness of said reflective metal layer being in the range of 700-1600 Å and
the moisture permeability of said surface-hardening layer being substantially smaller than those of said reflective metal layer and said back-coat layer.
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Abstract
A mirror comprising:
a transparent plate of a synthetic resin;
a surface-hardening layer (a) coated on an entire surface of the resin plate;
a reflective metal layer (b) deposited on the layer (a) of the back of resin, and
a back-coat layer (c) closely covering the surface of the reflective film, characterized in that said metal layer is formed by a dry metal plating, said metal being selected from the group consisting of tin or alloy of tin and copper (Sn:Cu=1:less than 0.4 by weight), thickness of layer (b) being in the range of 700-1600 Å and moisture permeability of layer (a) being smaller than those of layer (b) and layer (c) is disclosed.
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Citations
7 Claims
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1. A mirror comprising:
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a transparent plate of synthetic resin; a surface-hardening layer coated on all surfaces of the resin plate; a reflective metal layer deposited on the surface-hardening layer of one side of the resin plate, and a back-coat layer closely covering the surface of the reflective metal layer, wherein said metal layer is formed by a dry metal plating, said metal being selected from the group consisting of tin and an alloy of tin and copper (Sn;
Cu=1;
less than 0.4 by weight), the thickness of said reflective metal layer being in the range of 700-1600 Å and
the moisture permeability of said surface-hardening layer being substantially smaller than those of said reflective metal layer and said back-coat layer. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification