Thermoplastic optical feature with high apex sharpness
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United States of America Patent
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Jun 26, 2007
Grant Date -
Dec 15, 2005
app pub date -
Jun 15, 2004
filing date -
Jun 15, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of forming an element of an imaging device and the element are disclosed. The method includes providing a first layer and a second layer. The method also includes extruding the first layer with the second layer, where the second layer has a melt flow that is at least 10% greater than a melt flow of the second layer. Moreover, the method includes forming a plurality of optical elements over a surface of the second layer.
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