公开(公告)号：DE3842635A1

公开(公告)日：1990-06-21

申请号：DE3842635

申请日：1988-12-17

Applicant: BASF AG

Inventor： HIBST HARTMUT DR ,  WERNER AREND DR ,  HACK JOACHIM ,  MANNSPERGER HEINRICH DR ,  HITZFELD MICHAEL DR ,  GRAU WERNER DR ,  HEIL GUENTER DR ,  HOLL NORBERT

IPC: G11B23/03 ,  C10M105/34 ,  C10N20/06 ,  C10N40/18 ,  G11B5/64 ,  G11B5/66 ,  G11B5/72 ,  G11B5/725 ,  G11B5/73 ,  G11B5/84 ,  G11B23/033

Abstract: The invention relates to magnetic recording media in disc form, essentially composed of a flexible base material, a ferromagnetic thin metal layer applied on at least one side, and a protective and gliding layer, essentially composed of carbon, located on this metal layer, a process for producing these recording media and information memory containing these recording media.

公开(公告)号：DE3726464A1

公开(公告)日：1989-02-16

申请号：DE3726464

申请日：1987-08-08

Applicant: BASF AG

Inventor： WERNER AREND DR ,  HIBST HARTMUT DR ,  HAEDICKE ERICH DR ,  KRONENBITTER JOHANN DR

IPC: G11B5/84 ,  G11B5/85 ,  G11B5/851 ,  H01F10/26

公开(公告)号：DE3437657A1

公开(公告)日：1986-04-17

申请号：DE3437657

申请日：1984-10-13

Applicant: BASF AG

Inventor： WERNER AREND DR ,  HIBST HARTMUT DR ,  SCHOMANN KLAUS DIETER DR

IPC: B41M5/382 ,  G11B7/24 ,  G11B7/243 ,  G11B7/253 ,  G11B7/2531 ,  G11B7/257 ,  G11B7/26