MEMORY APPARATUS INCLUDING PROGRAMMABLE NON-VOLATILE MULTI-BIT MEMORY CELL, AND APPARATUS AND METHOD FOR DEMARCATING MEMORY STATES OF THE CELL - Patent 1032938

(19)

(11)

EP 1 032 938 A1

(12)

(43)	Date of publication:
	06.09.2000 Bulletin 2000/36

(21)	Application number: 97952391.7

(22)	Date of filing: 11.12.1997

(51)	International Patent Classification (IPC)⁷: G11C 11/56

(86)	International application number:
	PCT/US9722/809

(87)	International publication number:
	WO 9927/539 (03.06.1999 Gazette 1999/22)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30)

Priority:

21.11.1997 US 975919

(71)	Applicant: BTG INTERNATIONAL INC. (a Delaware corp.)
	Gulph MillsPA 19406 (US)

(72)	Inventor:
	BANKS, Gerald, J. Fremont, CA 94539 (US)

(74)	Representative: Wiklund, Erik
	AWAPATENT AB,Box 5117 200 71 Malmö 200 71 Malmö (SE)

(54)	MEMORY APPARATUS INCLUDING PROGRAMMABLE NON-VOLATILE MULTI-BIT MEMORY CELL, AND APPARATUS AND METHOD FOR DEMARCATING MEMORY STATES OF THE CELL