Disk drive having magnetic head conduction paths with...

Details Disk drive having magnetic head conduction paths with... Disk drive having magnetic head conduction paths with...

2005-05-17

2005-05-17

Heinz, A. (Department: 2653)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

C360S246000, C360S264200

Reexamination Certificate

active

06894874

ABSTRACT:
Magnetic disk apparatus includes an electric wiring capable of satisfying an electric condition under which high frequency recording higher than or equal to 200 MHz, a magnetic head having at least a recording device to a magnetic recording medium, and also the electric wiring corresponding to a recording current supplying device to this magnetic head are formed on a suspension member for mechanically suspending the magnetic head, the recording current being supplied to a magnetic head recording device by employing such electric wiring, the characteristic impedance of which is higher than a maximum impedance of the magnetic head recording device.

REFERENCES:
patent: 5717547 (1998-02-01), Young
patent: 5737152 (1998-04-01), Balakrishnan
patent: 5995328 (1999-11-01), Balakrishnan
patent: 6069774 (2000-05-01), Arisaka
patent: 6282064 (2001-08-01), Palmer
patent: WO 9642080 (1996-12-01), None
Nikkei Electronics, “Recording Density by MR Head Available at 5 Gbits/(inch)”, Apr. 6, 1998, pp. 155-165.
Japanese Electronic Information Communication Institute Technical Research Report, “Jiki Kiroku”, published Oct. 15, 1998, pp. 7-12.
Nikkei Electronics, Apr. 6, 1998, p. 168.
Japanese Applied Magnetic Institute, 22nd Lecture held in 1998.

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