Transparent plastic or polymer based mirror apparatus and method for making the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 25, 2002
Grant Date -
Apr 18, 2002
app pub date -
Jul 27, 2001
filing date -
Aug 23, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A polymer-based mirror formed from a synthetic thermoplastic or thermoset resin substrate, such as polymethyl methacrylate, which is resistant to warping and distortion from moisture. A composite multi-layer surface-hardening coating is formed on at least the anterior surface of the resin substrate. The mirror further includes a composite multi-layer reflective coating. A protective back-coat layer is deposited on a posterior surface of the mirror. A multi-layer weather-resistant coating may optionally be applied to the anterior surface of the polymer-based mirror in order to increase the weatherability and durability of the mirror. The various layers coating the synthetic resin substrate have their moisture permeabilities selected so that substantially equal amounts of moisture permeate through to both the anterior and posterior side of the synthetic resin substrate.
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