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2 067 329

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IPC

(21) (22)

Application

4929598/02, 1991-04-19

(22)

Actual filing date

1991-04-19

(45)

Published

1996-09-27

(72)

Inventor

Andreeva I.N.Vasil'Eva E.O.Rodionova M.K.Shevchenko S.A.Kharinskaja M.A.

(73)

Holder

Nauchno-Issledovatel'Skij Institut

FERRITE MATERIAL Russian patent published in 1996 - IPC

Abstract RU 2067329 C1

FIELD: magnetic materials, such as ferrite ones for magnetoacoustic devices. SUBSTANCE: ferrite material has the following composition, mol percent: ferric oxide - 45-52; copper oxide - 0.1-5.0; cobalt oxide - 0.1-2.0; indium oxide - 0.05-5.0; nickel oxide - the rest. magnetomechanical coupling coefficient of material is low at low acoustic loss in frequency range of 60 kHz to 70 MHz. EFFECT: improved coefficient of magnetomechanical coupling. 1 tbl

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RU 2 067 329 C1

Authors

Andreeva I.N.

Vasil'Eva E.O.

Rodionova M.K.

Shevchenko S.A.

Kharinskaja M.A.

Dates

1996-09-27—Published

1991-04-19—Filed

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