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Title:
METHOD FOR MANUFACTURING SPHERICAL ALUMINUM NITRIDE PARTICLES, AND DEVICE FOR MANUFACTURING SPHERICAL ALUMINUM NITRIDE PARTICLES
Document Type and Number:
WIPO Patent Application WO/2017/170856
Kind Code:
A1
Abstract:
Provided are a method for manufacturing spherical aluminum nitride particles and a device for manufacturing spherical aluminum nitride particles, whereby spherical aluminum nitride particles having the desired degree of nitridation can be obtained. In a device (1) for manufacturing spherical aluminum nitride particles, microwave irradiation can be terminated at a termination timing set in advance on the basis of the concentration of carbon monoxide gas generated in accordance with the degree of nitridation of spherical alumina particles processed in an applicator (2), and the degree of nitridation of the spherical alumina particles can therefore be controlled irrespective of the heating temperature, variations in the degree of nitridation can be suppressed, and spherical aluminum nitride particles having the desired degree of nitridation can be obtained.

Inventors:
SUGIHASHI ATSUSHI (JP)
SATO YUTAKA (JP)
SAWANO KIYOSHI (JP)
Application Number:
PCT/JP2017/013218
Publication Date:
October 05, 2017
Filing Date:
March 30, 2017
Export Citation:
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Assignee:
NIPPON STEEL & SUMIKIN MAT CO (JP)
International Classes:
C01B21/072; C01F7/02; H05B3/00
Domestic Patent References:
WO2014123247A12014-08-14
Foreign References:
JP2011219309A2011-11-04
JP2012041253A2012-03-01
JP2012041254A2012-03-01
JP2002234711A2002-08-23
JP2008517420A2008-05-22
JP2010536711A2010-12-02
JP2009298667A2009-12-24
JP2002527343A2002-08-27
Attorney, Agent or Firm:
YOSHIDA Tadanori (JP)
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