Priam

Seagate Technology Incorporated

Stephen Bibby

Bin L Ho

Steven Kaczeus

A head positioning apparatus for positioning magnetic heads relative to a recording medium is disclosed herein. This apparatus includes a carriage adapted to mount magnetic heads and a carriage guide for linearly guiding the carriage to position the heads relative to a recording medium. A linear drive mechanism is provided for imparting linear movement to the carriage. The carriage is supported for movement relative to the guide and comprises a plurality of bearings captured in grooves in the guide and the carriage, at least one of the bearings is on each side of the carriage, and a retainer movable parallel and proportionately to the carriage to hold the bearings in position relative to the carriage.

Disc drive linear actuator

An enclosure for a sealed disc drive includes a bottom support member and a top cover for mating with the bottom support member. The bottom support member includes a filter mounted on the inner surface and in a peripheral position thereof, and air guide means for directing air flow created by a spinning disc through the filter, the cover includes a second breather filter through which outside air can enter the enclosure. Air cleanliness within the enclosure is improved by providing a positive air pressure differential between the space below an enclosed disc and in the proximity of the spindle bearing seals and the space above the enclosed disc. The positive air pressure differential can be created by obstructing air flow below the disc.

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Los Gatos, CA, United States of America

Stephen Bibby