(19)

(11)

EP 0 619 776 A1

(12)

(43) Date of publication: 19.10.1994 Bulletin 1994/42 (21) Application number: 93900873.0 (22) Date of filing: 07.12.1992

(51) International Patent Classification (IPC):  C23C 14/ 06( . ) C23C 14/ 24( . ) G11B 5/ 02( . ) G11B 5/ 66( . ) G11B 5/ 73( . ) G11B 5/ 84( . ) G11B 5/ 851( . ) H01F 10/ 08( . ) C22C 19/ 00( . ) C23C 14/ 34( . ) G11B 5/ 64( . ) G11B 5/ 72( . ) G11B 5/ 738( . ) G11B 5/ 85( . ) H01F 1/ 00( . ) (86) International application number: PCT/US1992/010485 (87) International publication number: WO 1993/012928 (08.07.1993 Gazette 1993/16)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 03.01.1992 US 19920817282 (71) Applicant: CONNER PERIPHERALS, INC. San Jose, CA 95134-2158 (US)

(72) Inventors: REED, William, B. San Jose, CA 95122 (US) HOLLARS, Dennis, R. Los Gatos, CA 95030 (US) ZUBECK, Robert, B. Los Altos, CA 94024 (US) LEE, Hyung, J. San Jose, CA 95136 (US) REYNEN, Frank, R. Cupertino, CA 95014 (US) WARD, Keith, A. San Jose, CA 95118 (US) KLATT, Maureen, D. San Jose, CA 95136 (US) POPE, Nancy A. Menlo Park, CA 94025 (US) HARTMAN, Albert, L., W. Palo Alto, CA 94306 (US) (74) Representative: Barnard, Eric Edward  BROOKES & MARTIN High Holborn House 52/54 High Holborn London WC1V 6SE London WC1V 6SE (GB)