公开(公告)号：AU7090000A

公开(公告)日：2001-04-30

申请号：AU7090000

申请日：2000-08-30

Applicant: SAINT GOBAIN CERAMICS

Inventor： GARG AJAY K ,  TANIKELLA BRAHMANANDAM V ,  DELANEY WILLIAM R

IPC: B24B57/02 ,  B24B37/24 ,  B24D3/00 ,  B24D3/28 ,  B24D3/34 ,  C09G1/02 ,  C09K3/14 ,  H01L21/304

Abstract: Abrasive materials comprising silica-coated transitional alumina particles with an average particle size of less than 50 nanometers and a BET surface area of at least 50 m2/gm are useful in CMP processes either in the form of slurries or as fixed abrasives.

公开(公告)号：CA2382724A1

公开(公告)日：2001-04-12

申请号：CA2382724

申请日：2000-08-30

Applicant: SAINT GOBAIN CERAMICS

Inventor： TANIKELLA BRAHMANANDAM V ,  DELANEY WILLIAM R ,  GARG AJAY K

IPC: B24B37/00 ,  C01F7/44 ,  C09G1/02 ,  C09K3/14 ,  H01L21/304 ,  H01L21/321

Abstract: CMP processes and products employ aluminas comprising alpha alumina particle s having a particle width of less than 50 nanometers and a surface area of at least 50 m2/gm.