Linear-translation motors containing magnetostrictive actuator elements proposed for use in making fine position adjustments on scientific instruments at temperatures from near absolute zero to room temperature. Actuators produce small increments of linear motion and operate in "set-and-forget" mode in sense they automatically lock themselves against motion when power not applied. Do not consume or dissipate power when stationary. Proposed linear-translation motors also made to produce large maximum displacements.
Magnetostrictive Actuators For Cryogenic Applications
NASA Tech Briefs ; 20 , 3
01.03.1996
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Englisch
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