Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1998-06-18
2000-11-14
Loomis, Paul
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360106, G11B 2108
Patent
active
061478318
ABSTRACT:
A servo track writer for a head disk assembly and a method of making the head disk assembly using the servo track writer are disclosed. The head disk assembly includes an enclosure having an opening and a base and an actuator arm coupled to the base and having a servo writer positioning arm facing surface. The servo track writer includes a platform for supporting the head disk assembly. The platform includes a base portion, a column extending substantially perpendicular to the base portion, and an elongated servo writer positioning arm for protruding through the opening and supported by the column. The positioning arm includes a main body, a tip having an actuator arm facing surface for abutting the positioning arm facing surface, and a vibration damper positioned between the main body and the tip. The vibration damper damps vibrations induced in the actuator arm by dissipating energy transferred between the platform and the actuator arm.
REFERENCES:
patent: 3875589 (1975-04-01), Applequist et al.
patent: 4933792 (1990-06-01), Sleger et al.
patent: 4980783 (1990-12-01), Moir et al.
patent: 5774294 (1998-06-01), Fioravanti
Benning James
Dube Mark G.
Kennedy Michael John
McCaslin Martin J.
Habermehl James L
Loomis Paul
Shara Milad G.
Western Digital Corporation
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