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US 6,650,112 B2Granted
Magnetics impedance element having a thin film magnetics core
AssigneeMinebea Co., Ltd.
InventorsAkio Takayama, Tamio Umehara, Akiyo Yuguchi, Hideki Kato, Akira Goto
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Abstract
A magnetic impedance element including a substrate made of a non-magnetic material, a thin-film magnetic core formed on said substrate, and first and second electrodes disposed on both ends of said thin-film magnetic core in a longitudinal direction thereof, characterized in that said thin-film magnetic core is formed by laminating a plurality of magnetic films through non-magnetic thin-films.
Claims11
A magnetic impedance element comprising:
- a substrate made of a non-magnetic material;
- a longitudinal thin-film magnetic core formed on said substrate;
- a first electrode disposed on one end of said thin-film magnetic core;
- a second electrodes disposed on another end of said thin-film magnetic core, wherein said first and second electrodes are adapted to allow a high-frequency current to be supplied from an outside source;
- and
- said thin-film magnetic core is formed by laminating a plurality of odd and even magnetic films, said odd and even magnetic films having a non-magnetic thin-film therebetween, and a total thickness and magnetization amplitudes of said respective odd magnetic films is substantially equal to a total thickness and magnetization amplitudes of said respective even magnetic films.
3 more elements
Dependencies are inferred from the claim text.