Process for producing ultra-fine ceramic particles
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United States of America Patent
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Nov 10, 1987
Grant Date -
N/A
app pub date -
Feb 8, 1985
filing date -
Feb 9, 1984
priority date (Note) -
Expired
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Abstract
A process for producing ultra-fine ceramic particles with the particle size of less than 1000 .ANG., which comprises the steps of forming powdered dust cloud of metal powder such as Si constituting a portion of aimed ceramic particles in a reaction gas containing the other portion of said aimed ceramic particles, igniting said powdered dust cloud to cause explosive burning and synthesizing said aimed ceramic particles and gathering said resulting ceramic particles. By the process, ceramic particles such as Al.sub.2 O.sub.3, MgO, SiO.sub.2, TiO.sub.2, TiN having particle size of 10-100 nm can be produced.
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