G - Physics – 11 – B
Patent
G - Physics
11
B
352/24.31
G11B 23/02 (2006.01) G11B 23/03 (2006.01) G11B 33/14 (2006.01)
Patent
CA 1280822
ABSTRACT A disk file of the kind employing a vented hub assembly and slotted spacers between disks to provide a passage for circulatory airflow and employs a filter assembly extending circumferentially around the axial region of the hub assembly. The primary path for airflow is from a high pressure region at the periphery of the disks, through the filter assem- bly into the vented hub assembly and out again via the slotted spacers. A parallel leakage path between the filter itself and the hub assembly is limited by making the separation between a substantially planar surface of the filter assembly and the adjacent disk uniform and very small. Airflow rates through the filter are consequently enhanced. UK9-86-009
534862
Hatchett Michael Robert
Heath John Stewart
Hitachi Global Storage Technologies Netherlands B.v.
Saunders Raymond H.
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