Carriage arm assembly for magnetic disk drive

Details Carriage arm assembly for magnetic disk drive Carriage arm assembly for magnetic disk drive

2006-01-03

2006-01-03

Heinz, A. J. (Department: 2653)

Dynamic magnetic information storage or retrieval

Head mounting

For shifting head between tracks

Reexamination Certificate

active

06982852

ABSTRACT:
A magnetic disk drive having a high recording density and enabling high speed transfer is achieved by reducing vibration of a carriage arm assembly to reduce a positioning error. The disk drive is configured so that a carriage arm is configured by two arm portions, the arm portions being coupled to each other by a restraint member through a viscoelastic material, the restraint member being supported on a carriage body or an area of the carriage arm in the vicinity of the body by means of adhesion or a viscoelastic material. By providing a high damping effect against various vibration modes in which in-plane bending and out-plane bending of the carriage arm are generated, vibration of the carriage arm assembly is suppressed, so that the positioning error is reduced, thereby the magnetic disk drive having a high recording density can be achieved.

REFERENCES:
patent: 5801905 (1998-09-01), Schirle et al.
patent: 5936808 (1999-08-01), Huang et al.
patent: 6091574 (2000-07-01), Misso
patent: 6563676 (2003-05-01), Chew et al.
JP-A-4-168671.
U.S. Appl. No. 10/157,087, filed May 30, 2002.

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