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High frequency magnetostrictive transducers for waveguide applications

United States Patent

9,960,341
May 1, 2018
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
A high frequency magnetostrictive transducer includes a magnetostrictive rod or wire inserted co-axially into a driving coil, wherein the driving coil includes a coil arrangement with a plurality of small coil segments along the magnetostrictive rod or wire; wherein frequency operation of the high frequency magnetostrictive transducer is controlled by a length of the small coil segments and a material type of the magnetostrictive rod or wire. This design of the high frequency magnetostrictive transducer retains the beneficial aspects of the magnetostrictive design, while reducing its primary drawback, lower frequency operation.
Daw; Joshua Earl (Idaho Falls, ID), Taylor; Steven Cheney (Ammon, ID), Rempe; Joy Lynn (Idaho Falls, ID)
U.S. Department of Energy (Washington, DC)
14/ 554,159
November 26, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government has rights in this invention pursuant to Contract No. DE-AC07-05ID14517, between the U.S. Department of Energy (DOE) and Battelle Energy Alliance (BEA), representing Idaho National Laboratory (INL).