(19)

(11)

EP 0 060 250 A1

(12)

(43) Date of publication: 22.09.1982 Bulletin 1982/38 (21) Application number: 81901351.0 (22) Date of filing: 10.09.1980

(51) International Patent Classification (IPC):  G11C 11/ 406( . ) (86) International application number: PCT/US1980/001162 (87) International publication number: WO 1982/000915 (18.03.1982 Gazette 1982/08)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: MOSTEK CORPORATION Carrollton, TX 75006 (US)	(72) Inventors: PLACHNO, Robert Stanley Lewisville, TX 75056 (US) JIANG, Ching-Lin Dallas, TX 75248 (US)