Method of manufacturing microneedle
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United States of America Patent
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Feb 19, 2013
Grant Date -
Jul 22, 2010
app pub date -
Mar 29, 2010
filing date -
Jul 4, 2006
priority date (Note) -
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Abstract
The invention discloses a method of manufacturing a microneedle including the steps of forming an island etching mask having thickness distribution on a substrate, and processing the substrate into a needle by taking advantage of a difference in etching rates between the etching mask and the substrate. The invention enables to readily control a point angle and height of the manufactured needle.
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