BASE MEMBER, SPINDLE MOTOR INCLUDING BASE MEMBER, HARD DISK DRIVE DEVICE, AND METHOD FOR MANUFACTURING BASE MEMBER

A base member includes a projection having a cylindrical shape and projecting in an axial direction and a component placement part. The projection and the component placement part are adjacent to each other via a curved surface part having a first curved surface and a second curved surface. The firs...

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Bibliographische Detailangaben
Hauptverfasser:	SHOWA, Hideaki, NAKANE, Junichi
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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Beschreibung
Zusammenfassung:	A base member includes a projection having a cylindrical shape and projecting in an axial direction and a component placement part. The projection and the component placement part are adjacent to each other via a curved surface part having a first curved surface and a second curved surface. The first curved surface and the second curved surface have a diameter increasing toward the component placement part in the axial direction. The second curved surface is located closer to a side of the component placement part than the first curved surface in the axial direction.