(19)

(11)

EP 0 704 104 A1

(12)

(43) Date of publication: 03.04.1996 Bulletin 1996/14 (21) Application number: 95913295.0 (22) Date of filing: 06.04.1995

(51) International Patent Classification (IPC):  H01J 61/ 52( . ) H01J 65/ 04( . ) H01J 61/ 82( . ) (86) International application number: PCT/IB1995/000241 (87) International publication number: WO 1995/028734 (26.10.1995 Gazette 1995/46)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 14.04.1994 EP 19940201022 (71) Applicants: PHILIPS ELECTRONICS N.V. NL-5621 BA Eindhoven (NL) Philips Patentverwaltung GmbH D-20097 Hamburg (DE)	(72) Inventors: VAN VLIET, Johannes, Adrianus, Josephus, Maria NL-5632 SJ Eindhoven (NL) LÖHN, Klaus D-52152 Simmerath (DE) KORBER, Achim NL-6462 BN Kerkrade (NL) (74) Representative: Rooda, Hans, et al  INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 NL-5656 AA Eindhoven NL-5656 AA Eindhoven (NL)