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2 288 902

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IPC

C04B35/491(2006-01-01)

C04B35/00(2006-01-01)

(21) (22)

Application

2005109862/03, 2005-04-06

(24)

Start date

2005-04-06

(22)

Actual filing date

2005-04-06

(45)

Published

2006-12-10

(72)

Inventor

Miroshnikov Petr Vasil'EvichSegalla Andrej GenrikhovichSafronov Aleksej JakovlevichNikiforov Viktor GeorgievichChernov Vladimir Aleksandrovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

PIEZOCERAMIC MATERIAL Russian patent published in 2006 - IPC C04B35/491 C04B35/00

Abstract RU 2288902 C1

FIELD: electronics.

SUBSTANCE: invention relates to soft ferroelectric piezoceramic materials for ultrasonic devices operated in detection mode, a variety of piezoelectric detectors as well as monolith-type such as multilayer piezoelectric actuators. Piezoceramic material of invention is composed of, wt %: PbO 64.05-64.52, ZrO₂ 19.11-20.30, TiO₂ 10.92-11.52, SrO 1.54-2.25, WO₃ 0.23-0.62, Bi₂O₃ 0.72-1.87, CdO 0.59-1.18, Ni₂O₃ 0.08-0.25, wherein four latter oxides are additionally used according to invention.

EFFECT: improved electrophysical parameters.

2 tbl

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RU 2 288 902 C1

Authors

Miroshnikov Petr Vasil'Evich

Segalla Andrej Genrikhovich

Safronov Aleksej Jakovlevich

Nikiforov Viktor Georgievich

Chernov Vladimir Aleksandrovich

Dates

2006-12-10—Published

2005-04-06—Filed