Tranparent conductive coatings
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United States of America Patent
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-
Dec 11, 1990
Grant Date -
N/A
app pub date -
Jun 3, 1988
filing date -
Jun 3, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An article having a transparent conductive coating having predetermined interference reflectance and transmission properties substantially independent of its conductivity, comprising: (a) a substrate having a refractive index n.sub.0 and (b) a coating disposed over at least a portion of the substrate and consisting of: (i) at least one transparent dielectric layer having a refractive index n.sub.1 different from n.sub.0 ; and (ii) at least one transparent conductive layer having a refractive index substantially equal to n.sub.1, at least one of which has a thickness sufficient to provide a desired conductivity; the coating having a thickness such that it has predetermined interference reflectance and transmission properties substantially independent of its conductivity.
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