A piezoelectric material contains a main component containing a perovskite-type metal oxide having the formula (1); a first auxiliary component composed of Mn; and a second auxiliary component composed of Bi or Bi and Li, wherein the Mn content is 0.04 parts by weight or more and 0.400 parts by weight or less on a metal basis per 100 parts by weight of the metal oxide, the Bi content is 0.042 parts by weight or more and 0.850 parts by weight or less on a metal basis per 100 parts by weight of the metal oxide, and the Li content is 0.028 parts by weight or less (including 0 parts by weight) on a metal basis per 100 parts by weight of the metal oxide. (Ba 1-x Ca x ) a (Ti 1-y-z Sn y Zr z )O 3 â€ƒâ€ƒ(1) (wherein 0â‰¦xâ‰¦0.080, 0.013â‰¦yâ‰¦0.060, 0â‰¦zâ‰¦0.040, and 0.986â‰¦aâ‰¦1.020.)

Claims

26 · 1 independent · depth 5

26 granted claims

›1.independentA piezoelectric material, comprising:na main component containing a perovskite-type metal oxide represented by the following general formula (1);a fir…+25

›2.↳ 1The piezoelectric material according to claim 1, further comprising a third auxiliary component containing at least one of Si and B, wherein the third…d2

›3.↳ 1The piezoelectric material according to claim 1, wherein x of the general formula (1) is in the range of 0.02â‰¦xâ‰¦0.08.d2

›4.↳ 1The piezoelectric material according to claim 1, wherein x of the general formula (1) is in the range of 0.03â‰¦xâ‰¦0.08, and z is in the range of 0.0…d2

›5.↳ 1The piezoelectric material according to claim 1, wherein the piezoelectric material contains crystal grains having an average equivalent circular diam…d2

›6.↳ 1The piezoelectric material according to claim 1, wherein the piezoelectric material has a relative density of 93% or more and 100% or less.d2

›7.↳ 1A piezoelectric element, comprising:na first electrode;a piezoelectric material portion; anda second electrode,wherein the piezoelectric material port…d2+8

›8.↳ 7A liquid discharge head, comprising:na liquid chamber having a vibrating portion that includes the piezoelectric element according to claim 7; andan o…d3+1

›10.↳ 7An ultrasonic motor, comprising:na vibrating member that includes the piezoelectric element according to claim 7; anda moving body in contact with the…d3+1

›12.↳ 7A vibratory apparatus, comprising a vibrating member that includes the piezoelectric element according to claim 7 on a diaphragm.d3+2

›15.↳ 7Electronic equipment, comprising a piezoelectric acoustic component that includes the piezoelectric element according to claim 7.d3

›16.↳ 1A multilayered piezoelectric element, comprising:npiezoelectric material layers and electrode layers alternately stacked on top of one another, the el…d2+10

›17.↳ 16The multilayered piezoelectric element according to claim 16, wherein the internal electrode contains Ag and Pd, and the weight ratio M1/M2 of the wei…d3

›18.↳ 16The multilayered piezoelectric element according to claim 16, wherein the internal electrode contains at least one of Ni and Cu.d3

›19.↳ 16A liquid discharge head, comprising:na liquid chamber having a vibrating portion that includes the multilayered piezoelectric element according to cla…d3+1

›21.↳ 16An ultrasonic motor, comprising:na vibrating member that includes the multilayered piezoelectric element according to claim 16; anda moving body in co…d3+1

›23.↳ 16A vibratory apparatus, comprising a vibrating member that includes the multilayered piezoelectric element according to claim 16 on a diaphragm.d3+2

›26.↳ 16Electronic equipment, comprising a piezoelectric acoustic component that includes the multilayered piezoelectric element according to claim 16.d3

Classifications

13 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B41J2/045
B06B1/06
B41J2/14

Section C — Chemistry; metallurgy

C04B35/468

Section G — Physics

G02B27/00

Section H — Electricity

H02N2/00
H01L41/187
H01L41/047
H02N2/16
H01L41/18
H02N2/10
H01L41/09
H01L41/083

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›Priority documents — 1

Type	Document	Date
related publication	US 20150015643 A1	15 Jan 2015

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