Compositions: ceramic – Ceramic compositions – Refractory
Patent
1995-07-12
1997-07-08
Group, Karl
Compositions: ceramic
Ceramic compositions
Refractory
423412, C04B 35581
Patent
active
056460783
ABSTRACT:
An aluminum nitride powder comprising polycrystalline particles which have clearly observed grain boundaries, an agglomerated particle size of 0.1 to 100 .mu.m when measured by a particle size distribution analyzer, a tapped bulk density of 0.55 to 2.0 g/cm.sup.3, and a ratio of a number average particle size calculated from a SEM photograph image to a particle size calculated from a BET specific surface area of 1.1 to 3.
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Miyai Takeshi
Mohri Masahide
Tanaka Shinichiro
Group Karl
Sumitomo Chemical Company Limited
Troilo Louis M.
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