Seagate Technology Incorporated

Cory Bert Welscher

Carl Fred Adams

Jackson Wagner Nichols

Srinivas Tadepalli

Alan Hing-Bun Tsang

Kenneth Lee Pottebaum

Steve Scott Eckerd

Jonathan Pahl Jones

Gregg Jon Severson

Matthew Glenn Duvall

James Eiji Kaneko

Blaine Thomas Peterson

Narintr Narisaranukul

An apparatus which provides improved positional control for an access element moveable adjacent a rotatable surface, such as a data transducing head adjacent a data recording disc in a data storage device. The apparatus comprises a fluidic stripper with one or more cantilevered arms which project proximate a corresponding array of one or more rotatable surfaces. Each arm comprises an edge surface which extends proximate to and in facing relationship with a movement path of an access element across the associated rotatable surface to impede fluidic currents established by rotation of the rotatable surface. Each arm further supports a ramp structure which receivingly supports the access element at a position away from the rotatable surface and proximate the innermost diameter during a deactivated mode when the rotatable surface is stationary.

Fluidic stripper assembly with load/unload ramp

A limit stop filter support apparatus for use in controlling fluidic currents and limiting movement of an actuator within a housing, such as in a data storage device. First and second filter retention members extend from a filter support base to confine opposing ends of a filter used to filter fluidic currents within the housing, and a cantilevered limit stop extends from the base to contactingly limit movement of an actuator moveable within the housing. The limit stop preferably comprises a spring member supporting a latch member, the latch member selectively confining the actuator in a parked position. The first and second retention members each preferably include a shroud surface adjacent an outer peripheral edge of a rotatable storage medium to direct the fluidic currents established by rotation of the medium.

Limit stop filter support apparatus

A disc drive includes a base, at least one disc rotatably attached to the base, and an actuator assembly rotatably attached to base and supporting a slider and a transducer at a distal end thereof. The slider and transducer are positioned to be in transducing relation with respect to the disc. An air dam is positioned over the disc and near an arc through which the slider and transducer are rotated. The air dam is positioned so as to produce an area of high pressure substantially about an area including a portion of the arc through which the slider and transducer are rotated. Surfaces are aligned with and extend in a coplanar relationship with the disc to transfer an outwardly directed airflow away from the disc without impinging turbulent flow on or at the disc edge.

Two-part flow conditioning apparatus for a disc drive

A plenum assembly for use in a data storage device to direct and filter recirculating currents established by high speed rotation of a recording disc. The plenum assembly includes a top plate and a partitioning wall which projects from the top plate to form opposing, longitudinally extending first and second chambers. A first portion of the recirculating currents is directed along the first chamber and a separate, second portion of the recirculating currents is directed along the second chamber. A recirculation filter transversely extends across the first and second chambers and intersects the partitioning wall so that the respective first and second portions of the recirculating currents concurrently pass through adjacent sides of the recirculation filter before exiting the plenum assembly and merging into a combined set of recirculating currents.

Plenum assembly which filters multiple fluidic current channels using a single recirculation filter

An air current diverting apparatus for a data storage device having a rotating data storage medium in operable relation with an actuator assembly reading data from and writing data to the data storage medium. The air current diverting apparatus has an aerodynamic shroud comprising a base having a first end attachable to the actuator assembly, an upstream surface extending upstream of the actuator assembly, and a downstream surface extending downstream of the actuator assembly and substantially non-parallel to the upstream surface.

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Belle Plaine, MN, United States of America

Cory Bert Welscher