| 摘要 |
PROBLEM TO BE SOLVED: To improve the yield and achieve cost reduction.SOLUTION: An armature 5 includes plates 53, 54 which are formed into concentric circular shapes by a magnetic material. The plates 53, 54 are respectively formed by connecting plate structure members 53a to 53c and 54a to 54c which are divided in a circumferential direction.SELECTED DRAWING: Figure 2 |
