Enclosure structure for magnetic disk memory device

Details Enclosure structure for magnetic disk memory device Enclosure structure for magnetic disk memory device

1994-06-21

1997-07-22

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9703, G11B 3314, G11B 555

Patent

active

056508956

ABSTRACT:
In a closed housing of a magnetic disk memory device are accommodated a spindle motor for rotatably holding a magnetic disk medium for storage of information, a magnetic head for recording and reproducing information into and from the magnetic disk medium, a head positioning mechanism for moving the magnetic head to any position on the magnetic disk medium, and so forth. A printed board having thereon control circuit parts for controlling the spindle motor and the head positioning mechanism and recording/reproducing circuit parts for effecting the recording/reproduction by the magnetic head is arranged outside of the housing. An opening corresponding to a component of the magnetic disk memory device is formed in a certain region of the housing opposing the printed board. A shielding member for preventing a dust from entering into the housing is provided for the opening. The shielding member has a sheet-like or cup-like form and the device is constructed corresponding to the unevenness or uneven arrangement of components, thereby making it possible to reduce the thickness of the device. The commonization of the shielding member for disk devices is possible and a distance between a printed board and the housing can be reduced for the whole of the device.

REFERENCES:
patent: 4818097 (1989-04-01), Shirotori
patent: 5235481 (1993-08-01), Kamo et al.
patent: 5299083 (1994-03-01), Kawada
patent: 5379171 (1995-01-01), Morehouse et al.
patent: 5379439 (1995-01-01), Harrison et al.

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