Global Patent Index - EP 1091831 A1

EP 1091831 A1 20010418 - IMPROVED POLISHING PAD WITH REDUCED MOISTURE ABSORPTION

Title (en)

IMPROVED POLISHING PAD WITH REDUCED MOISTURE ABSORPTION

Title (de)

VERBESSERTES POLIERKISSEN MIT REDUZIERTER FEUCHTIGKEITSABSORPTION

Title (fr)

TAMPON A POLIR AMELIORE AVEC UNE MOINDRE ABSORPTION D'HUMIDITE

Publication

EP 1091831 A1 20010418 (EN)

Application

EP 99955238 A 19990601

Priority

  • GB 9901515 W 19990601
  • US 8774298 P 19980602

Abstract (en)

[origin: WO9962673A1] A polishing pad or belt or other device with increased resistance to moisture absorption for improved planarizing effectiveness and consistency. The relatively moisture resistant polishing pad contains additives to improve wetting of the pad surface for good slurry distribution.

IPC 1-7

B24D 3/26; B24D 3/34; B24D 11/00; B24B 37/04

IPC 8 full level

B24B 37/24 (2012.01); B24D 3/26 (2006.01); B24D 3/34 (2006.01); B24D 11/00 (2006.01); H01L 21/304 (2006.01)

CPC (source: EP KR)

B24B 37/24 (2013.01 - EP); B24D 3/26 (2013.01 - EP); B24D 3/34 (2013.01 - EP); B24D 11/00 (2013.01 - KR); B24D 11/001 (2013.01 - EP)

Citation (search report)

See references of WO 9962673A1

Designated contracting state (EPC)

DE FR GB IE IT

DOCDB simple family (publication)

WO 9962673 A1 19991209; AU 4272499 A 19991220; EP 1091831 A1 20010418; JP 2002516764 A 20020611; KR 100563172 B1 20060327; KR 20010071381 A 20010728; TW 449528 B 20010811

DOCDB simple family (application)

GB 9901515 W 19990601; AU 4272499 A 19990601; EP 99955238 A 19990601; JP 2000551920 A 19990601; KR 20007013658 A 20001202; TW 88109099 A 19990602