Light phase grating device
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
Sep 9, 1997
filing date -
Sep 9, 1997
priority date (Note) -
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Abstract
In a light phase grating device, by forming the beam with a bottom conductive layer, the beam will not stick to the conductive layer on the substrate. The triboelectric effect will not occur, because the bottom conductive layer of the beam will allow charges to dissipate.
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