(19)

(11)

EP 0 722 606 A1

(12)

(43) Date of publication: 24.07.1996 Bulletin 1996/30 (21) Application number: 94922524.0 (22) Date of filing: 11.07.1994

(51) International Patent Classification (IPC):  G11B 17/ 03( . ) G11B 23/ 03( . ) G11B 33/ 12( . ) G11B 17/ 04( . ) G11B 25/ 04( . ) (86) International application number: PCT/US1994/007786 (87) International publication number: WO 1995/003607 (02.02.1995 Gazette 1995/06)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 23.07.1993 US 19930097511 (71) Applicant: SYQUEST TECHNOLOGY, INC Fremont, CA 94538 (US)	(72) Inventors: IFTIKAR, Syed, H. Fremont, CA 94538 (US) THOMPSON, Herbert, E. Los Gatos, CA 95030 (US) KAY, Teong-Hoe San Jose, CA 95120 (US) GUERINI, Albert, J. Gilroy, CA 95020 (US) (74) Representative: Viering, Jentschura & Partner  Postfach 22 14 43 80504 München 80504 München (DE)