Abrasive particulate material, and method of planarizing a...

Details Abrasive particulate material, and method of planarizing a... Abrasive particulate material, and method of planarizing a...

C - Chemistry, Metallurgy

09

K

C09K 3/14 (2006.01) C01F 7/02 (2006.01) C09G 1/02 (2006.01)

Patent

CA 2625273

An abrasive particulate material is disclosed that includes alumina particles. The alumina particles include a transition alumina and at least 5.0wt% of an amorphous phase. The transition alumina particles also have a density not greater than about 3.20g/cm3

La présente invention a trait à un matériau particulaire abrasif comportant des particules d'alumine. Les particules d'alumine comprennent une alumine de transition et au moins 5,0 % en poids d'une phase amorphe. Les particules d'alumine de transition ont également une densité inférieure ou égale à environ 3,20g/cm3.

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