Fluid Dynamic Bearing Motor For Use With A Range Of Rotational Speed Rated Disc Drive Memory Device Products

A fluid dynamic bearing motor and method are provided for use with various disc drive memory device products differently rated by operational rotational speed. The operational speeds are those speeds measured during reading and writing memory operations to the memory device. In an aspect, the presen...

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Hauptverfasser:	AIELLO ANTHONY J, LIM POHLYE, JING CHUNHONG D, HOON WELRHEM S, WOLDEMAR CHRIS M, YAP POWMING, FLORES GREGOR PACO
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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creator	AIELLO ANTHONY J LIM POHLYE JING CHUNHONG D HOON WELRHEM S WOLDEMAR CHRIS M YAP POWMING FLORES GREGOR PACO
description	A fluid dynamic bearing motor and method are provided for use with various disc drive memory device products differently rated by operational rotational speed. The operational speeds are those speeds measured during reading and writing memory operations to the memory device. In an aspect, the present invention meets full operating requirements, including stiffness and power requirements, at multiple rated speeds for use with either standard or high-end performance disc drive products. Costs associated with a dedicated manufacturing line for high-end products are substantially reduced. A single manufacturing line can serve both standard and high-end disc drive memory device products. The present invention is especially useful in reducing costs of 2.5 inch notebook products that are typically marketed in two levels of performance, namely, 5400 RPM standard performance products and 7200 RPM high performance products.
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subjects	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
title	Fluid Dynamic Bearing Motor For Use With A Range Of Rotational Speed Rated Disc Drive Memory Device Products
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