C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/622 (2006.01) B01J 2/02 (2006.01) B01J 2/16 (2006.01) C04B 35/64 (2006.01) C09C 3/00 (2006.01) C09C 3/04 (2006.01) H01F 1/34 (2006.01) H01F 1/36 (2006.01) H01F 1/37 (2006.01) G11B 5/706 (2006.01) H01F 1/11 (2006.01) H01F 1/113 (2006.01)
Patent
CA 2387679
A method for manufacturing spherical ceramic powder is provided. The method includes essentially a spray drying step and a sintering step. In the spray drying step, a spray nozzle is used to spray slurry containing powdered raw material consisting essentially of ceramic ingredients to form liquid droplets, and liquid contents in the liquid droplets are heated and removed to obtain ceramic granular powder. In the sintering step, the ceramic granular powder is sintered to form spherical ceramic powder. The method provides ceramic powder having a mean particle size of about 1 - 50 µm and a sphericity of about 0.8 or higher, which is suited for mixing with resin material to form a compound. The ceramic powder has high dispersant and filling properties against the resin material.
Akachi Yoshiaki
Kobuke Hisashi
Sogabe Tomohiro
Takaya Minoru
Riches Mckenzie & Herbert Llp
Tdk Corporation
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