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High purity Alumina ceramics series

Nishimura’s high purity alumina ceramics

Nishimura handle high purity alumina (99.7~99.99%)

N-99 N-999 N-999S
     
N-9000 N-9000T N-9000NS

 

Alumina 99.7%

It is popular alumina material in our lineup.

Material Name: N-99

Purity：99.7％
Crystal size：5~10μ

Strong Point：High vacuum
High resistivity

Alumina 99.9%

Please choose MgO less or MgO contains.

N-999 (MgO less)

Purity：99.9％
Crystal size：3~5μ

N-999S

purity：99.9％
crystal size：3~5μ

Strong Point：
Good plasma resistant
Excellent in bending strength
Low dielectric tangent

Alumina 99.99%

Please choose MgO less, MgO contains, or translucent type.
Very tiny crystals which is 1~3um are parallel.

N-9000

purity：99.95％
crystal size：1~3μ

N-9000NS

purity：99.95％
crystal size：1～3μ

Strong point：
Translucency
We can grind surface roughness2~5nm.
Excellent in bending strength
Low dielectric tangent

N-9000T

purity：99.99％
Crystal size：1~3μ

Strong Point：
MgO less type
High reflection
Excellent in ultra violet ray resistance
Sputtering target material