Superconducting oscillator
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United States of America Patent
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May 7, 2013
Grant Date -
Jan 12, 2012
app pub date -
Jun 28, 2011
filing date -
Jul 6, 2010
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Abstract
An oscillator and method for applying a time-varying force to a magnet is provided. The oscillator includes a superconductor material at a temperature. The superconductor material is in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the superconductor material. The oscillator further includes at least one magnetic field source configured to apply a magnetic field having a time-varying field strength to the superconductor material. The time-varying field strength cycles between at least a first field strength below the critical field strength for the superconductor material at the temperature and at least a second field strength above the critical field strength for the superconductor material at the temperature, such that the superconductor material cycles between a superconducting state and a non-superconducting state.
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