| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic encoder which can prevent the damage of a multi-pole magnet during the manufacture or during the attachment to a bearing or the like, thereby preventing the multi-pole magnet from being made thick due to the problem in the fixing work. SOLUTION: The magnetic encoder 10 is composed of an annular core metal 11 and the annular multi-pole magnet 14 integrally fixed to the core metal 11. The multi-pole magnet 14 is made of sintered magnets or the like integrally formed with the core metal 11 so as to be solidified and magnetized in the integrated state with the core metal 11. The core metal 11 includes a drop prevention shape part 11e. For example, the drop prevention shape part 11e is the shape part in which a brim part 11c of the core metal 11 is inclined so that the tip side has a small diameter. COPYRIGHT: (C)2006,JPO&NCIPI
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