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(11)

EP 1 105 912 A1

(12)

(43) Date of publication: 13.06.2001 Bulletin 2001/24 (21) Application number: 00943845.8 (22) Date of filing: 21.06.2000

(51) International Patent Classification (IPC)7: H01J 29/70, H01J 9/236 (86) International application number: PCT/EP0005/710 (87) International publication number: WO 0079/562 (28.12.2000 Gazette 2000/52)

(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: 22.06.1999 US 338049 27.04.2000 EP 00201507 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)

(72) Inventors: SLUYTERMAN, Albertus, A., S. NL-5656 AA Eindhoven (NL) VINK, Nicolaas, G. NL-5656 AA Eindhoven (NL) SPANJER, Tjerk, G. NL-5656 AA Eindhoven (NL) BEIRENS, Leopold, C., M. NL-5656 AA Eindhoven (NL) VAN TIEL, Antonius, H. NL-5656 AA Eindhoven (NL) (74) Representative: Baele, Ingrid Albertina F.M. et al Internationaal Octrooibureau B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)