DEVICE HAVING ARRAY PROVIDED WITH FINE PROTRUSIONS
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
May 25, 2011
filing date -
May 28, 2010
priority date (Note) -
Abandoned
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Abstract
An array 1 provided with microprotrusions comprises a base 2 and tapered microprotrusions 3 each disposed on the base 2 and tapering down toward the tip from the bottom. Letting a distance from the tip to the bottom on an arbitrary side of each microprotrusion 3 as a and letting the length of a second line segment prepared by projecting a first line segment representing the distance a onto the base 2 as b, a relationship of 1.0<(a/b)≦7.5 holds.
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