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2 185 351

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IPC

(21) (22)

Application

2000117200/03, 2000-06-27

(24)

Start date

2000-06-27

(22)

Actual filing date

2000-06-27

(45)

Published

2002-07-20

(72)

Inventor

Vusevker Ju.A.Panich A.E.Levitskij Ju.E.Vusevker V.Ju.Fajnrider D.Eh.Derezin V.N.

(73)

Holder

Nauchnoe Konstruktorsko-Tekhnologicheskoe Bjuro Rostovskogo Gosudarstvennogo Universiteta

PIEZOELECTRIC CERAMIC MATERIAL Russian patent published in 2002 - IPC

Abstract RU 2185351 C2

FIELD: manufacture of piezoelements for sensors in rocketry and space engineering. SUBSTANCE: material contains components at the following ratio, mole-%: d₃₃, 76.0 to 76.5; PbTiO₃, 19.0 to 20.0; PbZrO₃, 1.5 to 2.0; BiTi_3/4O₃, 0.5 to 1.0; CaTiO₃, 0.5 to 1.0; BaTiO₃, 0.5 to 1.0. EFFECT: enhanced piezoelectric parameters extended to 400 C; extended range of working temperature; enhanced stability of piezoelectric modulus SrTiO₃ at high temperatures and pressures. 3 tbl

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RU 2 185 351 C2

Authors

Vusevker Ju.A.

Panich A.E.

Levitskij Ju.E.

Vusevker V.Ju.

Fajnrider D.Eh.

Derezin V.N.

Dates

2002-07-20—Published

2000-06-27—Filed