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2 580 538

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IPC

C04B35/495(2006-01-01)

H01L41/187(2006-01-01)

(21) (22)

Application

2014149867/03, 2014-12-11

(24)

Start date

2014-12-11

(22)

Actual filing date

2014-12-11

(45)

Published

2016-04-10

(72)

Inventor

Reznichenko Larisa AndreevnaVerbenko Ilja AleksandrovichPavlenko Anatolij VladimirovichMarkov Anton VadimovichSamojlova Viktorija Igorevna

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovanija Federalnyj Universitet"

LEAD-FREE PIEZOELECTRIC CERAMIC MATERIAL Russian patent published in 2016 - IPC C04B35/495 H01L41/187

Abstract RU 2580538 C1

FIELD: chemistry.

SUBSTANCE: invention relates to piezoelectric ceramic materials. Piezoelectric ceramic material comprises following components, wt%: Na₂O 8.54-8.67, K₂O 11.06-11.22, Li₂O 0.32, Ta₂O₅ 11.28-11.44, Sb₂O₅ 3.44-3.49, Nb₂O₅ 61.05-61.95, NiO 1.94-2.87, B₂O₃ 0.97-1.11.

EFFECT: technical result of invention is to increase thermal stability of relative permittivity ε₃₃ ^T/ε₀ and electromechanical coupling coefficient of planar vibration mode.

1 cl, 2 tbl, 3 dwg

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RU 2 580 538 C1

Authors

Reznichenko Larisa Andreevna

Verbenko Ilja Aleksandrovich

Pavlenko Anatolij Vladimirovich

Markov Anton Vadimovich

Samojlova Viktorija Igorevna

Dates

2016-04-10—Published

2014-12-11—Filed