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FORMING A FERROMAGNETIC ALLOY CORE FOR HIGH FREQUENCY MICRO FABRICATED INDUCTORS AND TRANSFORMERS
FORMING A FERROMAGNETIC ALLOY CORE FOR HIGH FREQUENCY MICRO FABRICATED INDUCTORS AND TRANSFORMERS
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机译:形成用于高频微制造电感器和变压器的铁磁合金芯
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摘要
A plurality of sequential electro-deposition, planarization and insulator deposition steps are performed over a patterned thick photoresist film to form a laminated ferromagnetic alloy core for micro-fabricated inductors and transformers. The use of a plurality of contiguous thin laminations within deep patterns on non-removable photoresist film provides sufficient volume of magnetic film in, for example, high frequency applications, and reduces eddy current loss at high frequency.
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