Diamond shell fabricated by using porous particle and the...

Details Diamond shell fabricated by using porous particle and the... Diamond shell fabricated by using porous particle and the...

2006-04-13

2011-11-01

Meeks, Timothy (Department: 1715)

Coating processes

Direct application of electrical, magnetic, wave, or...

Plasma

C216S083000, C428S307700

Reexamination Certificate

active

08048494

ABSTRACT:
A hollow diamond shell with a size of a few micrometer to hundreds of micrometer and having a geometrical shape and its fabrication method are disclosed. A diamond film is deposited by a CVD method and porous grits are used as a victim substrate to be etched later, so that the substrate can be easily removed by a capillary phenomenon that an etching solution can be intensively absorbed in a substrate etching process. Thus, a perfect diamond shell with only a plurality of fine pores with a nano size without any conspicuous opening can be obtained. Also, a diamond shell with a small opening of below 10 percent of the surface area of grits can be fabricated by controlling a nuclear generation of diamond particles.

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patent: WO 2006/043786 (2006-04-01), None
PCT International Search Report dated Jul. 19, 2006 issued in corresponding PCT International Patent Appln. PCT/KR2006/001368.

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