Compact head and disk assembly

Details Compact head and disk assembly Compact head and disk assembly

1987-05-29

1988-09-20

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 69, G11B 5012, G11B 1700

Patent

active

047729740

ABSTRACT:
A compact, sealed head and disk assembly for a rotating non-removable disk data storage subsystem includes a flat and thin rigid generally rectangular box housing having a length not greater than approximately 173 millimeters, a width not greater than approximately 102 millimeters and a height not greater than approximately 24.5 millimeters,; a thin spindle motor mounted within the form factor of the housing; at least one magnetic media data storage disk having a diameter of approximately 95 millimeters in the housing and mounted directly to the spindle for rotation; a limited angular displacement rotary actuator subassembly including a substantially planar limited displacement rotary actuator motor; and, a cover for closing and sealing the housing.

REFERENCES:
patent: 4196456 (1980-04-01), Manzke et al.
patent: 4346416 (1982-08-01), Riggle et al.
patent: 4439792 (1984-03-01), van de Bult
patent: 4568988 (1986-02-01), McGinlay et al.
Electronic Products, Jan. 1985, pp. 23-24, "Micro Winchester Loves Abuse".
Rodime 350 Series Disk Drives, 1985, the Standard-Setting 31/2" Winchester.
Product Brochure, Plus Development Corp., Milpitas, CA "Hardcard 40 the Leading High-Performance Hard Disk Expansion Board", (1987).
Product Brochure, Miniscribe Corp., Longmont CO, "ScribeCard 25.6 or 38.4 MByte Drive-on-a-Card", (1986).

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