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公开(公告)号:CA1172154A
公开(公告)日:1984-08-07
申请号:CA382162
申请日:1981-07-21
Applicant: IBM
Inventor: FROSCH ALBERT , HINKEL HOLGER , KRAUS GEORG , KUNZEL ULRICH , ROGALLA DIETRICH , SCHNEIDER JOCHEN
Abstract: The invention provides a magentic disk substrate of plastic containing fibres in which the substrate is pressed in the form of a laminate from a plurality of thin lamellae of fibre reinforced plastic, which are arranged on top of each other at equal angular spacing.