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Title: Magnetoelectric devices and methods of using same
Authors: Or, DSW 
Chan, HLW 
Issue Date: 20-Nov-2007
Source: US Patent 7,298,060 B2. Washington, DC: US Patent and Trademark Office, 2007.
Abstract: The operational frequency of existing magnetoelectric materials having metallic or ceramic magnetostrictive materials and ceramic piezoelectric materials may be limited to a few kilohertz due to the presence of eddy-current losses in the metallic magnetostrictive phase. Further, these materials may be difficult to machine and fabricate due to their brittleness. This invention provides a magnetoelectric element including at least one set of alternating piezoelectric layers and magnetostrictive composite layers. The magnetostrictive composite layer includes at least one magnetostrictive material dispersed in first concentrated zones within a first polymer matrix, wherein all of the concentrated zones are orientated along a first direction. (See PDF file for details of the abstract.)
Keywords: Magnetoelectric devices
Rights: Assignee: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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