公开(公告)号：CA1132006A

公开(公告)日：1982-09-21

申请号：CA327495

申请日：1979-05-10

Applicant: IBM

Inventor： BATE GEOFFREY ,  DUNN LARRY P

IPC: G11B5/845 ,  B05D3/14

Abstract: This invention provides an improved method and apparatus for manufacturing magnetic recording media; specifically, that which is to be used in the manufacture of flexible, magnetic recording disks. The process provides a sequence of disorienting magnetic fields in different directions and of diminishing strengths to form a magnetic media in which the magnetic particles are essentially disoriented and the media is, thereby, devoid of modulated signal envelopes.

公开(公告)号：DE2966572D1

公开(公告)日：1984-03-01

申请号：DE2966572

申请日：1979-06-01

Applicant: IBM

Inventor： BATE GEOFFREY ,  DUNN LARRY P

IPC: G11B5/845 ,  G11B5/84 ,  G11B5/82