MAGNETIC LEVITATION PLANE STAGE DEVICE, VACUUM DEVICE, AND CHARGED PARTICLE BEAM DEVICE
To provide a magnetic levitation plane stage device that suppresses deterioration of drive characteristics due to a refrigerant piping, suppresses leakage magnetic field due to a permanent magnet, suppress minute vibration of a top table due to coil current noise, and improves positioning accuracy.S...
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Format: | Patent |
Sprache: | eng ; jpn |
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