Maxtor Corporation

Seagate Technology Incorporated

High Tide Associates, Inc.

Wendy Lorimer

Albert L Hartman

William Richard Akin

Frank Ivan Morris

John Edward Scura

Benjamin Huang

David Chew

Vaclav Prochazka

John Masles

Joe Tomasic

Babu S Rahman

Torin Meyers

John Beley

A rotary actuator motor is provided including a stationary coil section and a rotating magnet. The magnet is incorporated with the pivot bearing assembly, and the coil section is aligned with the magnet along an axis of rotation of the actuator. The magnet fully encircles the axis of rotation. The coil comprises one or more closed loops of electrically conductive material. The motor in this arrangement maintains a much smaller profile in comparison to a traditional voice coil motor that is mounted to a yoke extending away from the axis of rotation of the actuator.

Low-profile rotary motor with fixed back iron

A base plate for magnetic disk drives is provided that includes a hooked protrusion integrated therein between adjacent spindle motor coils. The cross-over wires that span between adjacent coils are secured by the hooked protrusions, thereby optimizing coil height and reducing manufacturing steps. The hook-like protrusions of one embodiment of the present invention are preferably stamped into the base plate.

Support structure with integral retainer tabs for use in spindle motor wire routing

A power source that is powered by a user to generate electrical energy includes a generator assembly and a fluid source. The generator assembly includes a rotor, a stator, and a fluid driven motor that is coupled to the rotor. Movement of the rotor relative to the stator results in the generation of electrical energy. The fluid source is manually powered by the user to direct pressurized fluid to the fluid driven motor to move the rotor relative to the stator. The fluid source can include a first fluid pump that is powered by the user to generate the pressurized fluid and a second fluid pump that is powered by the user to generate the pressurized fluid. One or both of the fluid pumps can include a fluid bellows that is powered by the user to generate the pressurized fluid. Alternatively, one or both of the fluid pumps can include a cylinder and a piston that is moved within the cylinder by the user to generate the pressurized fluid.

Electrical power source

A manufacturing fixture ( ) for manufacturing a permanent magnet ( ) for an actuator motor ( ) of a disk drive ( ) is provided herein. The manufacturing fixture ( ) includes a fixture cavity ( ) which receives the magnet powder ( ) and an orientating device ( ) which generates flux lines ( ) which extend across the fixture cavity ( ). The fixture cavity ( ) includes a cavity axis ( ), a cavity transition ( ) and a cavity perimeter ( ). Importantly, the flux lines ( ) extend substantially transverse to the cavity axis ( ) near the cavity transition ( ) and the cavity perimeter ( ) and substantially parallel with the cavity axis ( ) intermediate the cavity transition ( ) and the cavity perimeter ( ). This allows for a magnet ( ) having higher magnetic flux densities at the sides ( ) ( ) ( ), and higher average magnetic flux densities in the magnet ( ).

Fixture for manufacturing magnets for a voice coil motor

Growing community of inventors

San Jose, CA, United States of America

Wendy Lorimer