Patent ID: 8107190
Filing Date: 2012-01-31
Classification: F16C,G11B,H02K,Y10T

Abstract:
1. A method of manufacturing a fluid bearing device including: a shaft member; a hub part provided integrally with or separately from the shaft member; a radial bearing portion which radially supports the shaft member so as to allow relative rotation by means of a lubricant film of a fluid generated in a radial bearing gap that an outer peripheral surface of the shaft member faces; and a yoke formed of a magnetic material and bonded to the hub part, the method comprising: an injection molding step of forming the hub part by injection molding of resin; and a bonding fixation step of bonding the yoke to the hub part formed in the injection molding step, wherein, in the bonding fixation step, a gate trace formed by injection molding of the hub part is sealed with an adhesive supplied to bonding fixation surfaces of the hub part and the yoke and being cured.