(19)
(11) EP 1 171 906 A1

(12)

(43) Date of publication:
16.01.2002 Bulletin 2002/03

(21) Application number: 00913478.4

(22) Date of filing: 16.02.2000
(51) International Patent Classification (IPC)7H01L 21/302
(86) International application number:
PCT/US0003/893
(87) International publication number:
WO 0049/647 (24.08.2000 Gazette 2000/34)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 18.02.1999 US 120567 P

(71) Applicant: Rodel Holdings, Inc.
Wilmington, DE 19899 (US)

(72) Inventor:
  • HOSALI, Sharath, D.
    Glen Mills, PA 19342 (US)

(74) Representative: Jones, Alan John et al
CARPMAELS & RANSFORD 43 Bloomsbury Square
London, WC1A 2RA
London, WC1A 2RA (GB)

   


(54) METHOD FOR CMP OF LOW DIELECTRIC CONSTANT POLYMER LAYERS