SPINDLE MOTOR USING BEARING

PROBLEM TO BE SOLVED: To provide a bearing and a spindle motor using the same.SOLUTION: In a bearing of a spindle motor where an oil-impregnated air hole is formed, at least one portion out of and upper side and a lower side of the bearing has a higher density than another portion of the bearing.

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Bibliographische Detailangaben
Hauptverfasser:	SONG CHUNG HYUN, LEE TAE WOOK
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER LIGHTING MECHANICAL ENGINEERING PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a bearing and a spindle motor using the same.SOLUTION: In a bearing of a spindle motor where an oil-impregnated air hole is formed, at least one portion out of and upper side and a lower side of the bearing has a higher density than another portion of the bearing.