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2 753 917

(13)

(51)

IPC

C04B35/491(2006-01-01)

H01L41/187(2006-01-01)

(21) (22)

Application

2020137240, 2020-11-11

(24)

Start date

2020-11-11

(22)

Actual filing date

2020-11-11

(45)

Published

2021-08-24

(72)

Inventor

Zdobnov Sergej AleksandrovichKoshkin Gleb AleksandrovichKikot Viktor ViktorovichTyumenev Sergej Aleksandrovich

(73)

Holder

Aktsionernoe Obshchestvo Institut Fizicheskikh Izmerenij"

PIEZOCERAMIC MATERIAL Russian patent published in 2021 - IPC C04B35/491 H01L41/187

Abstract RU 2753917 C1

FIELD: piezoceramic materials.

SUBSTANCE: invention relates to the field of piezoceramic materials intended for ultrasonic devices operating in the receiving mode, various piezoelectric sensors. Piezoceramic material, including oxides of lead, zirconium, titanium, in accordance with the invention additionally contains oxides of strontium, niobium and germanium in the following ratio of components, wt.%: PbO 64.4÷66.5; ZrO₂ 19.5÷20.3; TiO₂ 10.9÷41.5; SrO 1.5÷2.5; Nb₂O₅ 0.8÷1.1; GeO₂ 0.1÷0.4.

EFFECT: obtaining a piezoceramic material with high electrophysical characteristics: increased piezoelectric voltage sensitivity and increased temperature stability of the dielectric constant.

1 cl, 2 tbl, 5 ex

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RU 2 753 917 C1

Authors

Zdobnov Sergej Aleksandrovich

Koshkin Gleb Aleksandrovich

Kikot Viktor Viktorovich

Tyumenev Sergej Aleksandrovich

Dates

2021-08-24—Published

2020-11-11—Filed