Micro corner cube array, method of making the micro corner cube array and reflective type display device
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United States of America Patent
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Aug 29, 2006
Grant Date -
Mar 20, 2003
app pub date -
Jun 17, 2002
filing date -
Jun 15, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method of making a micro corner cube array includes the steps of: preparing a substrate, at least a surface portion of which consists of cubic single crystals and which has a surface that is substantially parallel to {111} planes of the crystals; and etching the surface of the substrate anisotropically, thereby forming a plurality of unit elements for the micro corner cube array on the surface of the substrate. Each of these unit elements is made up of a number of crystal planes that have been formed at a lower etch rate than the {111} planes of the crystals.
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