A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE
PROBLEM TO BE SOLVED: To provide a piezoelectric material which does not contain lead and has good piezoelectric constant and mechanical quality coefficient within driving temperature range (-30°C to 50°C) of a device.SOLUTION: A piezoelectric material contains a main component containing perovskite metal oxide represented by a following general formula (1)(BaBi)(TiZrFe)O(0.010≤x≤0.060, 0.001≤y≤0.015, 0.001≤z≤0.015, 0.950≤y/z≤1.050, 0.986≤a≤1.020 in the general formula (1)); and a first accessory component consisting of Mn. A content of Mn is equal to or more than 0.002 mole and equal to or less than 0.015 mole based on 1 mole of the metal oxide.
【課題】 デバイス駆動温度範囲内（−３０℃から５０℃）において、良好な圧電定数と機械的品質係数を有する、鉛を含有しない圧電材料を提供する。【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を含む主成分と、Ｍｎよりなる第１副成分を有する圧電材料であって、前記Ｍｎの含有量が前記金属酸化物１モルに対して０．００２モル以上０．０１５モル以下であることを特徴とする圧電材料。（Ｂａ１−ｙＢｉｙ）ａ（Ｔｉ１−ｘ−ｚＺｒｘＦｅｚ）Ｏ３（１）（式中、０．０１０≦ｘ≦０．０６０、０．００１≦ｙ≦０．０１５、０．００１≦ｚ≦０．０１５、０．９５０≦ｙ／ｚ≦１．０５０、０．９８６≦ａ≦１．０２０）【選択図】 図１５
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE
PROBLEM TO BE SOLVED: To provide a piezoelectric material which does not contain lead and has good piezoelectric constant and mechanical quality coefficient within driving temperature range (-30°C to 50°C) of a device.SOLUTION: A piezoelectric material contains a main component containing perovskite metal oxide represented by a following general formula (1)(BaBi)(TiZrFe)O(0.010≤x≤0.060, 0.001≤y≤0.015, 0.001≤z≤0.015, 0.950≤y/z≤1.050, 0.986≤a≤1.020 in the general formula (1)); and a first accessory component consisting of Mn. A content of Mn is equal to or more than 0.002 mole and equal to or less than 0.015 mole based on 1 mole of the metal oxide.
【課題】 デバイス駆動温度範囲内（−３０℃から５０℃）において、良好な圧電定数と機械的品質係数を有する、鉛を含有しない圧電材料を提供する。【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を含む主成分と、Ｍｎよりなる第１副成分を有する圧電材料であって、前記Ｍｎの含有量が前記金属酸化物１モルに対して０．００２モル以上０．０１５モル以下であることを特徴とする圧電材料。（Ｂａ１−ｙＢｉｙ）ａ（Ｔｉ１−ｘ−ｚＺｒｘＦｅｚ）Ｏ３（１）（式中、０．０１０≦ｘ≦０．０６０、０．００１≦ｙ≦０．０１５、０．００１≦ｚ≦０．０１５、０．９５０≦ｙ／ｚ≦１．０５０、０．９８６≦ａ≦１．０２０）【選択図】 図１５
PIEZOELECTRIC MATERIAL, PIEZOELECTRIC ELEMENT, AND ELECTRONIC DEVICE
圧電材料、圧電素子、および電子機器
MURAKAMI SHUNSUKE (author) / WATANABE TAKAYUKI (author) / MATSUDA KATAYOSHI (author) / OSHIMA KANAKO (author) / KUBOTA JUN (author)
2016-01-14
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
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