JP6034017B2 - 圧電セラミックスおよび積層型圧電素子 - Google Patents
圧電セラミックスおよび積層型圧電素子 Download PDFInfo
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- JP6034017B2 JP6034017B2 JP2011270761A JP2011270761A JP6034017B2 JP 6034017 B2 JP6034017 B2 JP 6034017B2 JP 2011270761 A JP2011270761 A JP 2011270761A JP 2011270761 A JP2011270761 A JP 2011270761A JP 6034017 B2 JP6034017 B2 JP 6034017B2
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- piezoelectric
- powder
- strain constant
- piezoelectric ceramic
- ceramics
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- 239000000919 ceramic Substances 0.000 title claims description 35
- 238000009413 insulation Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 7
- 239000000843 powder Substances 0.000 description 23
- 238000010304 firing Methods 0.000 description 12
- 239000011575 calcium Substances 0.000 description 9
- 239000011572 manganese Substances 0.000 description 9
- 239000007858 starting material Substances 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000010936 titanium Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- JCLFHZLOKITRCE-UHFFFAOYSA-N 4-pentoxyphenol Chemical compound CCCCCOC1=CC=C(O)C=C1 JCLFHZLOKITRCE-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
本発明の実施例1における圧電セラミックスは、以下の製造工程により作製した。まず、組成式(Ba1−x、Cax)j(Liy、Mnz、Ti1−y−z)O3(2/3+j/3−y/2−z/3)において、j=1とし、x、y、zの各配合比が表1、表2、表3となるように、炭酸バリウム(BaCO3)粉末、炭酸カルシウム(CaCO3)粉末、二酸化チタン(TiO2)粉末、炭酸リチウム(Li2CO3)粉末、炭酸マンガン(MnCO3)粉末をそれぞれ秤量し、エタノールを加え、ボールミルにより24時間の湿式混合を行った。
本発明の実施例2における圧電セラミックスは、以下の製造工程により作製した。組成式(Ba1−x、Cax)j(Liy、Mnz、Ti1−y−z)O3(2/3+j/3−y/2−z/3)において、x=0.030、y=0.006、z=0.001とし、jの各配合比を、0.990〜1.050となるように、炭酸バリウム(BaCO3)粉末、炭酸カルシウム(CaCO3)粉末、二酸化チタン(TiO2)粉末、炭酸リチウム(Li2CO3)粉末、炭酸マンガン(MnCO3)粉末をそれぞれ秤量し、エタノールを加え、ボールミルにより24時間の湿式混合を行った。
Claims (5)
- 組成式(Ba1−x、Cax)j(Liy、Mnz、Ti1−y−z)O3(2/3+j/3−y/2−z/3)(ただし、0.005≦x<0.100、0<y≦0.020、0<z≦0.003、1.000≦j≦1.040)で表される主成分に対して、副成分としてAlを1.000mol%以下(0を含まず)、含有することを特徴とする圧電セラミックス。
- 絶縁抵抗率が1.000×109Ω・m以上であることを特徴とする請求項1に記載の圧電セラミックス。
- 圧電歪定数d31が150pC/N以上であることを特徴とする請求項1または請求項2に記載の圧電セラミックス。
- 0℃以上50℃以下の温度範囲における圧電歪定数d31最大値が、前記圧電歪定数d31最小値の1.25倍以内であることを特徴とする請求項1〜請求項3のいずれか一項に記載の圧電セラミックス。
- 請求項1〜請求項4のいずれか一項に記載の圧電セラミックスからなる圧電層と、NiまたはNi合金よりなる内部電極層が交互に積層されていることを特徴とする積層型圧電素子。
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JP6034017B2 true JP6034017B2 (ja) | 2016-11-30 |
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JP7426875B2 (ja) * | 2020-03-27 | 2024-02-02 | 太陽誘電株式会社 | 圧電素子及びその製造方法 |
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JP2004043210A (ja) * | 2002-07-09 | 2004-02-12 | Nec Tokin Corp | 圧電磁器組成物 |
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