Deposition method
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United States of America Patent
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Nov 4, 2014
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N/A
app pub date -
Dec 15, 2010
filing date -
Dec 15, 2010
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Abstract
A deposition method is provided to enable fine particles having a relatively large particle diameter, for example, a diameter larger than 0.5 μm, to be stably deposited on a substrate. The fine particles with insulating surface are placed in an airtight container, and a carrier gas is introduced into the container, triboelectrically charging the fine particles and generating an aerosol of the fine particles. The fine particles are charged by friction with the inner surface of a transfer tubing connected to the container, and the aerosol is conveyed via such tubing to a deposition chamber that is maintained at a pressure lower than that in the airtight container. The charged fine particles are deposited on a substrate placed in the deposition chamber.
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