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United States of America Patent
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Jan 14, 1997
Issued Date -
N/A
app pub date -
Oct 17, 1994
filing date -
Jan 29, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A scanner window through which a laser beam is projected to define a scanning pattern comprises a substrate formed of light transmissive material which allows the laser beam to project through a light transmissive hard material layer deposited onto the substrate, and a light transmissive lubricous coating deposited onto the hard material resulting in the scanner window having improved resistance to abrasive wear. The present invention is also directed to a method of producing such a scanner window. The present method may incorporate various deposition techniques to form a wear resistant scanner window in accordance with the present invention.
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