Invention Grant
US07771846B2 Method and Apparatus for High-Permeability Magnetostrictive/Piezo-Fiber Laminates Having Colossal, Near-Ideal Magnetoelectricity
有权
具有巨大,近似理想磁电的高透过性磁致伸缩/压电纤维层压板的方法和装置
- Patent Title: Method and Apparatus for High-Permeability Magnetostrictive/Piezo-Fiber Laminates Having Colossal, Near-Ideal Magnetoelectricity
- Patent Title (中): 具有巨大,近似理想磁电的高透过性磁致伸缩/压电纤维层压板的方法和装置
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Application No.: US11832564Application Date: 2007-08-01
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Publication No.: US07771846B2Publication Date: 2010-08-10
- Inventor: Dwight Viehland , Shuxiang Dong , Jie-Fang Li , Junyi Zhai
- Applicant: Dwight Viehland , Shuxiang Dong , Jie-Fang Li , Junyi Zhai
- Applicant Address: US VA Blacksburg
- Assignee: Virginia Tech Intellectual Properties, Inc.
- Current Assignee: Virginia Tech Intellectual Properties, Inc.
- Current Assignee Address: US VA Blacksburg
- Agency: Whitham Curtis Christofferson & Cook, PC
- Main IPC: B32B15/04
- IPC: B32B15/04

Abstract:
An ME composite laminate of at least one (1-3) piezo-fiber layer coupled with high-permeability alloy magnetostrictive layers, optionally formed of FeBSiC or equivalent. The composite laminate alternates the (1-3) piezo-fiber and high-permeability alloy magnetostrictive layers in a stacked manner. Optionally, the magnetization direction of the high-permeability alloy magnetostrictive layers and polarization direction of the piezo-fiber layer are an (L-L) arrangement. Optionally, thin film polymer layers are between the (1-3) piezo-fiber layer and high-permeability alloy magnetostrictive layers. Optionally, piezo-electric fibers within the (1-3) piezo-fiber layer are poled by inter-digitated electrodes supported by the thin film polymer, arranged as alternating symmetric longitudinally-poled “push-pull” units.
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