(19)

(11)

EP 0 823 128 A1

(12)

(43) Date of publication: 11.02.1998 Bulletin 1998/07 (21) Application number: 96901425.0 (22) Date of filing: 30.01.1996

(51) International Patent Classification (IPC):  G11C 29/ 56( . ) (86) International application number: PCT/GB1996/000200 (87) International publication number: WO 1996/034408 (31.10.1996 Gazette 1996/48)

(84) Designated Contracting States: GB (30) Priority: 26.04.1995 GB 19950008486 (71) Applicant: Memory Corporation plc Dalkeith, Edinburgh EH22 2NA (GB)	(72) Inventor: DEAS, Alexander, Roger Edinburgh EH22 1JW (GB) (74) Representative: Cullis, Roger  Patents Department British Technology Group Ltd 101 Newington Causeway London SE1 6BU London SE1 6BU (GB)