Global Patent Index - EP 1554357 A1

EP 1554357 A1 20050720 - POLISHING SLURRY AND POLISHED SUBSTRATE

Title (en)

POLISHING SLURRY AND POLISHED SUBSTRATE

Title (de)

POLIERSUSPENSION UND POLIERTES SUBSTRAT

Title (fr)

PATE DE POLISSAGE ET SUBSTRAT POLI

Publication

EP 1554357 A1 20050720 (EN)

Application

EP 03758887 A 20031024

Priority

  • JP 0313641 W 20031024
  • JP 2002311212 A 20021025

Abstract (en)

[origin: WO2004037943A1] A polishing slurry comprising an abrasive comprising as a basic ingredient rare earth oxides containing cerium oxide, which polishing slurry further comprises an anionic surfactant and a nonionic surfactant and has a pH value of at least 11. The polishing slurry is especially suitable for polishing a glass substrate for magnetic disc, and other substrates used in electronic field.

IPC 1-7

C09K 3/14; C09G 1/02; H01L 21/768

IPC 8 full level

B24B 1/00 (2006.01); B24D 3/02 (2006.01); C09G 1/02 (2006.01); C09K 3/14 (2006.01); H01L 21/768 (2006.01)

CPC (source: EP US)

C09G 1/02 (2013.01 - EP US); C09K 3/1463 (2013.01 - EP US)

Citation (search report)

See references of WO 2004037943A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2004037943 A1 20040506; AU 2003275655 A1 20040513; EP 1554357 A1 20050720; US 2005287931 A1 20051229

DOCDB simple family (application)

JP 0313641 W 20031024; AU 2003275655 A 20031024; EP 03758887 A 20031024; US 53280205 A 20050425