| 摘要 |
A spindle motor includes a stationary portion and a rotating portion. The stationary portion includes a shaft and an upper annular member. The rotating portion includes a sleeve. The shaft includes an annular or substantially annular upper shaft recessed portion recessed radially inward from an outside surface of the shaft. The upper shaft recessed portion is arranged opposite to an inside surface of a hole of the upper annular member. An adhesive is arranged in a gap defined between the upper shaft recessed portion and the inside surface of the hole of the upper annular member. |
