Sample position automatically maintained. Object levitated by electrostatic field between two electrodes. Because of particular curved electrode shape, levitation field has stable horizontal position on vertical axis of symmetry. Vertical position of object sensed and compared with preset value. When position error is detected, amplitude of levitating field is increased or decreased to restore zero error. System offers options well to containerless processing.
Electrostatic Levitator With Feedback Control
NASA Tech Briefs ; 7 , 4
1983-10-01
Miscellaneous
No indication
English
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