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US 2003/0117906 A1Published application
Apparatus and method for optimizing hydrodynamic groove shape
OwnerMohamed Mizanur Rahmaninventor
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OwnerMohamed Mizanur Rahmaninventor
Estimating the term…
Embodiments of the invention generally provide a method for optimizing the performance of a hydrodynamic bearing used with a disc drive. In one embodiment, the invention provides a method to determine a range of dimension values associated with at least one hydrodynamic groove disposed on the hydrodynamic bearing to improve at least one or more hydrodynamic bearing performance factors. In another embodiment, the invention provides a hydrodynamic bearing having at least one cross-section dimension associated with an optimum radial stiffness for at least one hydrodynamic groove shape. In another embodiment, the invention provides a hydrodynamic bearing having at least one groove pitch ratio associated with an optimum radial stiffness for at least one hydrodynamic groove shape.
A method of optimizing hydrodynamic grooves, comprising;
A hydrodynamic bearing having a plurality of hydrodynamic grooves disposed thereon, wherein at least one of the hydrodynamic grooves comprises optimizing means for optimizing at least one of a plurality of hydrodynamic bearing performance factors.
The apparatus of claim 12, wherein the at least one value of the cross-section comprises a groove pitch ratio defined by a ratio between the width of the hydrodynamic grooves and the pitch.
A method for optimizing the performance of a hydrodynamic bearing disposed within a hub and about a shaft on a disc drive, comprising:
Dependencies are inferred from the claim text.