Painted broadcast-frequency reflective component
First Claim
1. A component that is reflective for broadcast-frequency energy, comprising:
- a nonmetallic substrate having a substrate surface; and
a layered coating overlying and contacting the substrate, the layered coating comprising;
an electrically conductive deposited metallic layer overlying and contacting the substrate surface, and a layer of a white paint overlying and contacting the electrically conductive layer, wherein the white paint comprises a plurality of particles comprising a plurality of pigment particles, wherein each pigment particle has a composition of A[xAl(1−
x)Ga]2O4(δ
D), A is selected from the group consisting of zinc, cadmium, and magnesium, D is a dopant selected from the group consisting of a cationic dopant having an ionic valence greater than +2 and an anionic dopant, the value of x is from 0 to 1, and the value of δ
is from 0 to about 0.2, and a binder mixed with the particles to form a mixture, wherein the binder is selected from the group consisting of an organic binder and an inorganic binder.
2 Assignments
0 Petitions
Accused Products
Abstract
A component that is reflective for broadcast-frequency energy includes a nonmetallic substrate having a substrate surface, and a layered coating overlying and contacting the substrate. The layered coating has an electrically conductive layer overlying and contacting the substrate surface, and a layer of a white paint overlying and contacting the electrically conductive layer. The white paint is formed of a plurality of particles including a plurality of pigment particles. Each pigment particle has a composition of A[xAl(1−x)Ga]2O4(δD), A is selected from the group consisting of zinc, cadmium, and magnesium, D is a dopant selected from the group consisting of a cationic dopant having an ionic valence greater than +2 and an anionic dopant, the value of x is from 0 to 1, and the value of δ is from 0 to about 0.2. The paint further includes an inorganic or an organic binder mixed with the particles to form a mixture.
14 Citations
19 Claims
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1. A component that is reflective for broadcast-frequency energy, comprising:
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a nonmetallic substrate having a substrate surface; and
a layered coating overlying and contacting the substrate, the layered coating comprising;
an electrically conductive deposited metallic layer overlying and contacting the substrate surface, and a layer of a white paint overlying and contacting the electrically conductive layer, wherein the white paint comprises a plurality of particles comprising a plurality of pigment particles, wherein each pigment particle has a composition of A[xAl(1−
x)Ga]2O4(δ
D), A is selected from the group consisting of zinc, cadmium, and magnesium, D is a dopant selected from the group consisting of a cationic dopant having an ionic valence greater than +2 and an anionic dopant, the value of x is from 0 to 1, and the value of δ
is from 0 to about 0.2, anda binder mixed with the particles to form a mixture, wherein the binder is selected from the group consisting of an organic binder and an inorganic binder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A component that is reflective for broadcast-frequency energy, comprising:
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a nonmetallic composite-material substrate having a substrate surface and a shape defining a broadcast-frequency antenna reflector; and
a layered coating overlying and contacting the substrate, the layered coating comprising;
an electrically conductive deposited metallic layer overlying and contacting the substrate surface, and a layer of a white paint overlying and contacting the electrically conductive deposited metallic layer, wherein the white paint comprises a plurality of particles comprising a plurality of pigment particles, wherein each pigment particle has a composition of A[xAl(1−
x)Ga]2O4(δ
D), A is selected from the group consisting of zinc, cadmium, and magnesium, D is a dopant selected from the group consisting of a cationic dopant having an ionic valence greater than +2 and an anionic dopant, the value of x is from 0 to 1, and the value of δ
is from 0 to about 0.2, anda binder mixed with the particles to form a mixture, wherein the binder is selected from the group consisting of an organic binder and an inorganic binder. - View Dependent Claims (11, 12, 13, 14)
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15. A method for providing a component that is reflective for broadcast-frequency energy, comprising the steps of:
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preparing a nonmetallic substrate having a substrate surface; and
applying a layered coating overlying and contacting the substrate by the steps of;
depositing an electrically conductive deposited metallic layer overlying and contacting the substrate surface, and painting a layer of a white paint overlying and contacting the electrically conductive layer, wherein the white paint comprises a plurality of particles comprising a plurality of pigment particles, wherein each pigment particle has a composition of A[xAl(1−
x)Ga]2O4(δ
D), A is selected from the group consisting of zinc, cadmium, and magnesium, D is a dopant selected from the group consisting of a cationic dopant having an ionic valence greater than +2 and an anionic dopant, the value of x is from 0 to 1, and the value of δ
is from 0 to about 0.2, anda binder mixed with the particles to form a mixture, wherein the binder is selected from the group consisting of an organic binder and an inorganic binder, wherein the nonmetallic substrate with the layered coating overlying and contacting the substrate is reflective of broadcast frequency energy. - View Dependent Claims (16, 17, 18, 19)
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Specification