(19)

(11)

EP 1 119 875 A1

(12)

(43) Date of publication: 01.08.2001 Bulletin 2001/31 (21) Application number: 00940280.1 (22) Date of filing: 24.05.2000

(51) International Patent Classification (IPC)7: H01L 27/115, G11C 16/04 (86) International application number: PCT/EP0004/891 (87) International publication number: WO 0075/994 (14.12.2000 Gazette 2000/50)

(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: 04.06.1999 EP 99201765 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: TAO, Guoqiao NL-5656 AA Eindhoven (NL) VERHAAR, Robertus, D., J. NL-5656 AA Eindhoven (NL) DORMANS, Guido, J., M. NL-5656 AA Eindhoven (NL) CUPPENS, Roger NL-5656 AA Eindhoven (NL) DE GRAAF, Caroline NL-5656 AA Eindhoven (NL) (74) Representative: Houbiers, Ernest Emile Marie Gerlach  INTERNATIONAAL OCTROOIBUREAU B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)