Light polarizer and method of producing the light polarizer
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United States of America Patent
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Nov 23, 1999
Grant Date -
N/A
app pub date -
Nov 25, 1997
filing date -
Nov 25, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A polarizer and method of making the polarizer includes forming plural grooved lines on a surface of a supporting body that is transparent to visible light. The plural grooved lines are straight, concave and parallel to one another. Respective of the plural grooved lines include a sidewall portion that has a fine line formed thereon where the fine line constitutes a residual portion of a larger thin film that was subjected to an etching process. The fine line is composed of a semiconductor a metal or a combination of the two.
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