(19)
(11) EP 2 122 657 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.06.2011 Bulletin 2011/25

(45) Mention of the grant of the patent:
30.03.2011 Bulletin 2011/13

(21) Application number: 08786101.9

(22) Date of filing: 11.07.2008
(51) International Patent Classification (IPC): 
H01J 37/32(2006.01)
(86) International application number:
PCT/EP2008/059133
(87) International publication number:
WO 2009/115135 (24.09.2009 Gazette 2009/39)

(54)

Method for controlling ion energy in radio frequency plasmas

Verfahren zur Steuerung der Ionenenergie in Radiofrequenzplasmen

Procédé de réglage de l'énergie des ions dans des plasmas radiofréquences


(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 20.03.2008 US 38263

(43) Date of publication of application:
25.11.2009 Bulletin 2009/48

(60) Divisional application:
10170734.7 / 2249372

(73) Proprietors:
  • Ruhr-Universität Bochum
    44801 Bochum (DE)
    Designated Contracting States:
    AT CH DE FR GB HU IT LI NL 
  • Heil, Brian George
    65199 Wiesbaden (DE)
    Designated Contracting States:
    BE BG CY CZ DK EE ES FI GR HR IE IS LT LU LV MC MT NO PL PT RO SE SI SK TR 

(72) Inventors:
  • HEIL, Brian, George
    65199 Wiesbaden (DE)
  • CZARNETZKI, Uwe
    44879 Bochum (DE)
  • BRINKMANN, Ralf, Peter
    40699 Erkrath (DE)
  • MUSSENBROCK, Thomas
    42283 Wuppertal (DE)

(74) Representative: Richardt Patentanwälte 
Wilhelmstraße 7
65185 Wiesbaden
65185 Wiesbaden (DE)


(56) References cited: : 
WO-A-99/14699
US-A1- 2004 000 875
US-A1- 2007 023 398
US-A1- 2003 164 142
US-A1- 2006 113 037
   
  • BOYLE P C ET AL: "Independent control of ion current and ion impact energy onto electrodes in dual frequency plasma devices; Control of ion current and ion impact energy" JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, vol. 37, no. 5, 7 March 2004 (2004-03-07), pages 697-701, XP020015888 ISSN: 0022-3727
  • SCHULZE J ET AL: "Space and phase resolved plasma parameters in an industrial dual-frequency capacitively coupled radio-frequency discharge; Space and phase resolved plasma parameters in dual-frequency CCRF discharge" JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, vol. 40, no. 22, 21 November 2007 (2007-11-21), pages 7008-7018, XP020126757 ISSN: 0022-3727
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).