| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor device advantageous in reducing a contact area between a surrounding member and a stator. Ž<P>SOLUTION: The motor device includes: coils 22; a stator 20; a moving member 27; a surrounding member 44 to surround an outer wall surface 24 of the stator 20 via a heat insulating chamber 41 in a reduced pressure state or a vacuum state; and a plurality of pillars 9 (91, 92, 93) which are installed and support the stator in the heat insulating chamber 41 between the surrounding member 44 and the stator 20. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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