Dynamic information storage or retrieval – Storage medium structure – Adjuncts or adapters
Patent
1995-02-16
1996-11-05
Wolff, John H.
Dynamic information storage or retrieval
Storage medium structure
Adjuncts or adapters
369282, G11B 370, G11B 584, G11B 726
Patent
active
055725090
ABSTRACT:
A method for mounting a magnetic plate on a disc substrate. The method includes the steps of placing the magnetic plate within a housing recess formed in the disc substrate, abutting a horn of an ultrasonic wave generating unit generating torsional vibrations on a rim of the housing recess of the disc substrate under application of a predetermined pressure, and ultrasonically forming a protrusion directed towards an inner space of said housing recess for mounting the magnetic plate on the disc substrate by protrusion.
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May 13, 1994, Communication, The European Search Report, 3 pages in length.
Kobayashi Daiki
Takano Hiromichi
Korzuch William R.
Sony Corporation
Wolff John H.
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