Diamond shell with a geometrical figure and method for fabrication thereof
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United States of America Patent
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Oct 19, 2010
Grant Date -
Jul 10, 2008
app pub date -
Oct 19, 2005
filing date -
Oct 19, 2004
priority date (Note) -
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Abstract
This invention provides a method for fabricating geometrical diamond/matrix composites where all or a part of surfaces of the matrix are covered with a diamond film, and to fabricate hollow diamond shells using the composites where a part is uncoated with a diamond film. Hollow diamond shells were prepared by etching out of the matrix soluble with chemicals through an opening, a zone on the matrix, uncoated with diamond film. By changing the shape and the size of the geometrical matrixes, various kinds of diamond/matrix composites and diamond shells in shape and in size can be fabricated. The sizes available are between 200 nm and 2 mm.
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