Matched CTE drive

Matched CTE drive

A thermally compensated fluid dynamic bearing motor includes a stationary member and a rotatable member rotatable about the stationary member. A hub is coupled with the rotatable member and includes ceramic material with a first coefficient of thermal expansion, wherein the hub is operable to be cou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LANGLAIS TIMOTHY EDWARD, HERNDON TROY MICHAEL
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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Beschreibung
Zusammenfassung:A thermally compensated fluid dynamic bearing motor includes a stationary member and a rotatable member rotatable about the stationary member. A hub is coupled with the rotatable member and includes ceramic material with a first coefficient of thermal expansion, wherein the hub is operable to be coupled with a data storage disk. Further the first coefficient of thermal expansion is substantially equal to a second coefficient of thermal expansion of the data storage disk.