Ferromagnetic resonator device

Details Ferromagnetic resonator device Ferromagnetic resonator device

H - Electricity

01

P

333/57, 333/89

H01P 1/215 (2006.01) G01P 7/00 (2006.01) H01P 1/218 (2006.01) H03B 5/40 (2006.01)

Patent

CA 1271237

ABSTRACT OF THE DISCLOSURE A ferromagnetic resonance device is disclosed which utilize the perpendicular resonance of ferrimagnetic YIG thin film operable under a D.C. bias magnetic field perpendicular to a major surface of the YIG thin film element. By making the YIG thin film to have a major surface thereof (100) crystal plane of YIG or (111) crystal plane of a substituted YIG having reduced Ku value, lower limit of resonance frequency is extremely lowered. Thus wide range variable filter device can be obtained.

540930

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