(19)
(11) EP 1 599 298 A2

(12)

(88) Date of publication A3:
27.01.2005

(43) Date of publication:
30.11.2005 Bulletin 2005/48

(21) Application number: 04708156.7

(22) Date of filing: 04.02.2004
(51) International Patent Classification (IPC)7B08B 7/00, C25F 1/00
(86) International application number:
PCT/US2004/003179
(87) International publication number:
WO 2004/074931 (02.09.2004 Gazette 2004/36)
(84) Designated Contracting States:
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
Designated Extension States:
AL LT LV MK

(30) Priority: 20.02.2003 US 371603
28.02.2003 US 377943

(71) Applicant: LAM RESEARCH CORPORATION
Fremont, CA 94538-6516 (US)

(72) Inventors:
  • BOYD, John, M.
    Atascadero, CA 93422 (US)
  • RAVKIN, Michael
    Sunnyvale, CA 94087 (US)
  • REDEKER, Fred, C.
    Fremont, CA 94539 (US)
  • TREUR, Randolph, E.
    San Luis Obispo, CA 93401 (US)
  • THIE, William
    Mountain View, CA 94040 (US)

(74) Representative: Thomson, Paul Anthony et al
Potts, Kerr & Co. 15, Hamilton Square
BirkenheadMerseyside CH41 6BR
BirkenheadMerseyside CH41 6BR (GB)

   


(54) METHOD AND APPARATUS FOR MEGASONIC CLEANING OF PATTERNED SUBSTRATES