Polygonal barrel spattering device, polygonal, barrel spattering method, coated particle formed by the device and method, microcapsule, and method of manufacturing the micro- capsule
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United States of America Patent
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N/A
Issued Date -
Nov 16, 2006
app pub date -
Dec 18, 2003
filing date -
Dec 25, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a polygonal barrel sputtering device and a polygonal barrel sputtering method for coating surfaces of fine particles with ultra-fine particles having a grain diameter smaller than the particles or thin films, a coated fine particle formed by the device and method, a micro capsule and a method for producing the micro capsule. The polygonal barrel sputtering method according to the present invention comprises a step for containing fine particles 3 in a vacuum container 1 having a polygonal internal shape on a cross section, which is substantially parallel with a gravitational direction, and a step for performing sputtering while stirring or rolling the fine particles 3 contained in the vacuum container 1 by rotating the vacuum container 1 about a rotating axis, which is substantially perpendicular to the cross section, whereby surface of the fine particle 3 is coated with ultra-fine particles having a grain diameter smaller than the fine particle or thin films.
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