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2 571 465

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IPC

C04B35/495(2006-01-01)

(21) (22)

Application

2014149866/03, 2014-12-11

(24)

Start date

2014-12-11

(22)

Actual filing date

2014-12-11

(45)

Published

2015-12-20

(72)

Inventor

Reznichenko Larisa AndreevnaVerbenko Il'Ja AleksandrovichPavlenko Anatolij VladimirovichDudkina Svetlana IvanovnaBoldyrev Nikita Anatol'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Obrazovanija Federal'Nyj Universitet"

LEAD-FREE PIEZOELECTRIC CERAMIC MATERIAL Russian patent published in 2015 - IPC C04B35/495

Abstract RU 2571465 C1

FIELD: chemistry.

SUBSTANCE: piezoelectric ceramic material contains oxides of sodium, potassium, lithium, tantalum, antimony and nickel with the following ratio of initial components, wt %: Na₂O 8.25-8.42, K₂O 10.68-10.89, Li₂O 0.47-0.48, Ta₂O₅ 10.89-11.11, Sb₂O₅ 5.09-5.19, Nb₂O₅ 58.96-60.16, NiO 3.75-5.66.

EFFECT: increased values of piezoelectric parameters and high stability.

2 tbl, 3 dwg

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RU 2 571 465 C1

Authors

Reznichenko Larisa Andreevna

Verbenko Il'Ja Aleksandrovich

Pavlenko Anatolij Vladimirovich

Dudkina Svetlana Ivanovna

Boldyrev Nikita Anatol'Evich

Dates

2015-12-20—Published

2014-12-11—Filed