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(11)

EP 0 791 219 A1

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(43) Date of publication: 27.08.1997 Bulletin 1997/35 (21) Application number: 95940701.0 (22) Date of filing: 09.11.1995

(51) International Patent Classification (IPC):  G11B 5/ 52( . ) G11B 15/ 60( . ) G11B 15/ 18( . ) G11B 15/ 61( . ) (86) International application number: PCT/US1995/014778 (87) International publication number: WO 1996/015533 (23.05.1996 Gazette 1996/23)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 10.11.1994 US 19940337599 (71) Applicant: Imation Corp. Oakdale, MN 55128 (US)

(72) Inventors: YOUNGQUIST, Robert, J. Saint-Paul, MN 55133-3427 (US) KUTA, Leroy, A. Saint Paul, MN 55133-3427 (US) GERFAST, Sten, R. Saint Paul, MN 55133-3427 (US) KUMMETH, Charles, R. Saint Paul, MN 55133-3427 (US) BROOKHART, Marshall, R. Saint Paul, MN 55133-3427 (US) SWENSON, James, W. Saint Paul, MN 55133-3427 (US) NAFTULYEV, Vladimir Saint Paul, MN 55133-3427 (US) RICHARDS, Durkee, B. Saint Paul, MN 55133-3427 (US) ARGENTO, Dan, J. Saint Paul, MN 55133-3427 (US) (74) Representative: Hilleringmann, Jochen, Dipl.-Ing., et al  Patentanwälte von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus) 50667 Köln 50667 Köln (DE)