A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT AND ELECTRONIC APPARATUS
PROBLEM TO BE SOLVED: To provide a piezoelectric material not using lead and potassium, having a high piezoelectric constant, and good mechanical quality constant, and to provide a piezoelectric element using the same.SOLUTION: A piezoelectric material contains a main component consisting of a perovskite metal oxide represented by a following general formula (1), Zn, and Mg, in which the content of Zn is 0.005 mol or more and 0.050 mol or less for 1 mol of the perovskite metal oxide, and the content of Mg is 0.001 mol or more and 0.020 mol or less. General formula (1) (NaBa)(NbTi)O(In the formula, 0.83≤x≤0.95, 0.85≤y≤0.95, 0.95≤x/y≤1.05).SELECTED DRAWING: Figure 1
【課題】 鉛とカリウムを使用しない、圧電定数が大きく、機械的品質係数が良好な圧電材料およびそれを用いた圧電素子を提供する。【解決手段】 下記一般式（１）で表わされるペロブスカイト型金属酸化物よりなる主成分と、Ｚｎと、Ｍｇを含む圧電材料であって、前記Ｚｎの含有量が前記ペロブスカイト型金属酸化物１ｍｏｌに対して０．００５ｍｏｌ以上０．０５０ｍｏｌ以下であり、前記Ｍｇの含有量が０．００１ｍｏｌ以上０．０２０ｍｏｌ以下である圧電材料。一般式（１） （ＮａｘＢａ１−ｙ）（ＮｂｙＴｉ１−ｙ）Ｏ３（式中、０．８３≦ｘ≦０．９５、０．８５≦ｙ≦０．９５、０．９５≦ｘ／ｙ≦１．０５）【選択図】 図１
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT AND ELECTRONIC APPARATUS
PROBLEM TO BE SOLVED: To provide a piezoelectric material not using lead and potassium, having a high piezoelectric constant, and good mechanical quality constant, and to provide a piezoelectric element using the same.SOLUTION: A piezoelectric material contains a main component consisting of a perovskite metal oxide represented by a following general formula (1), Zn, and Mg, in which the content of Zn is 0.005 mol or more and 0.050 mol or less for 1 mol of the perovskite metal oxide, and the content of Mg is 0.001 mol or more and 0.020 mol or less. General formula (1) (NaBa)(NbTi)O(In the formula, 0.83≤x≤0.95, 0.85≤y≤0.95, 0.95≤x/y≤1.05).SELECTED DRAWING: Figure 1
【課題】 鉛とカリウムを使用しない、圧電定数が大きく、機械的品質係数が良好な圧電材料およびそれを用いた圧電素子を提供する。【解決手段】 下記一般式（１）で表わされるペロブスカイト型金属酸化物よりなる主成分と、Ｚｎと、Ｍｇを含む圧電材料であって、前記Ｚｎの含有量が前記ペロブスカイト型金属酸化物１ｍｏｌに対して０．００５ｍｏｌ以上０．０５０ｍｏｌ以下であり、前記Ｍｇの含有量が０．００１ｍｏｌ以上０．０２０ｍｏｌ以下である圧電材料。一般式（１） （ＮａｘＢａ１−ｙ）（ＮｂｙＴｉ１−ｙ）Ｏ３（式中、０．８３≦ｘ≦０．９５、０．８５≦ｙ≦０．９５、０．９５≦ｘ／ｙ≦１．０５）【選択図】 図１
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT AND ELECTRONIC APPARATUS
圧電材料、圧電素子および電子機器
UEDA MIKI (author) / MIURA KAORU (author) / WATANABE TAKAYUKI (author) / HAYASHI JUNPEI (author) / KUBOTA JUN (author) / MURAKAMI SHUNSUKE (author)
2016-11-24
Patent
Electronic Resource
Japanese
IPC:
H01L
Halbleiterbauelemente
,
SEMICONDUCTOR DEVICES
/
B06B
GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
,
Erzeugen oder Übertragen mechanischer Schwingungen allgemein
/
B41J
TYPEWRITERS
,
Schreibmaschinen
/
C04B
Kalk
,
LIME
/
G02B
Optische Elemente, Systeme oder Geräte
,
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
/
G03B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM
,
Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien
/
H02N
Elektrische Maschinen, soweit nicht anderweitig vorgesehen
,
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
/
H04R
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS
,
Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler
PIEZOELECTRIC MATERIAL PIEZOELECTRIC ELEMENT AND ELECTRONIC APPARATUS
European Patent Office | 2018
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS
| European Patent Office | 2018
Piezoelectric material, piezoelectric element, and electronic apparatus
| European Patent Office | 2017
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS
| European Patent Office | 2016
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC APPARATUS
| European Patent Office | 2018