Disc drive gasket and method of forming same

Details Disc drive gasket and method of forming same Disc drive gasket and method of forming same

1992-10-08

1994-01-25

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9702, 521 505, G11B 3314, C08J 900

Patent

active

052821013

ABSTRACT:
A gasket for a disc drive system having a recording media within a sealed housing having top and bottom casing members, a read/write head for transferring information between the recording media and an external system and a head positioner assembly for locating the head relative to the recording media, the improvement comprising a gasket for sealing a connection between the top and bottom casing members. The gasket includes a liner sheet for lateral stability during thermo cycling and opposing layers of a foam material flame bonded to the liner sheet. The foam material is polypropylene.

REFERENCES:
patent: 4078701 (1978-03-01), Clubb
patent: 4186068 (1980-01-01), Rubens
patent: 4333978 (1982-06-01), Kocher
patent: 4624784 (1986-11-01), Lefebvre
patent: 4717034 (1988-01-01), Mumford
patent: 4851099 (1989-07-01), Brereton
patent: 4882108 (1989-11-01), Nakajima et al.
patent: 4896231 (1990-01-01), Hoppe
patent: 5150267 (1992-09-01), Reinisch

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