JP6923560B2 - 圧電素子 - Google Patents
圧電素子 Download PDFInfo
- Publication number
- JP6923560B2 JP6923560B2 JP2018558905A JP2018558905A JP6923560B2 JP 6923560 B2 JP6923560 B2 JP 6923560B2 JP 2018558905 A JP2018558905 A JP 2018558905A JP 2018558905 A JP2018558905 A JP 2018558905A JP 6923560 B2 JP6923560 B2 JP 6923560B2
- Authority
- JP
- Japan
- Prior art keywords
- lead wire
- external electrode
- reaction layer
- piezoelectric element
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 92
- 239000011521 glass Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 17
- 239000000919 ceramic Substances 0.000 description 16
- 230000035882 stress Effects 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 239000004014 plasticizer Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 210000003298 dental enamel Anatomy 0.000 description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 4
- 238000007650 screen-printing Methods 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 229910001252 Pd alloy Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000007606 doctor blade method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
Description
2・・・積層体
21・・圧電体
22・・内部電極
3・・・外部電極
4・・・リード線
5・・・反応層
Claims (6)
- 圧電体および内部電極が交互に積層された積層体と、該積層体の側面に設けられて前記内部電極に電気的に接続された外部電極と、該外部電極に電気的にかつ長さ方向が前記積層体の積層方向と同じ方向に接続されたリード線とを備え、前記外部電極と前記リード線との接合部位は、前記リード線がつぶれて幅方向に膨らんだ形状であるとともに前記外部電極の一部および前記リード線の一部が反応してできた反応層を有し、該反応層は、該反応層を正面に見たときに、外周形状が円形であり、かつ、前記リード線の軸方向に垂直な断面で見たときに、前記リード線に沿った幅を有するとともに、当該幅の中央部の厚みが最も厚いことを特徴とする圧電素子。
- 前記反応層は、前記リード線の軸方向に垂直な断面で見たときに、幅方向の端から中央部に向けて漸次厚みが厚くなっていることを特徴とする請求項1に記載の圧電素子。
- 前記リード線の軸方向に垂直な断面で見たときに、前記反応層と前記外部電極との境界が前記外部電極側に凸となる凸曲線状であり、前記反応層と前記リード線との境界が前記リード線側に凸となる凸曲線状であることを特徴とする請求項1または請求項2に記載の圧電素子。
- 前記リード線における前記外部電極との接合部位は、他の部位よりも幅方向に膨らんでいることを特徴とする請求項1乃至請求項3のうちのいずれかに記載の圧電素子。
- 前記リード線における少なくとも前記外部電極との接合部位を除く部位を、軸方向に垂直な断面で切断した断面形状が円形状であることを特徴とする請求項1乃至請求項4のうちのいずれかに記載の圧電素子。
- 前記外部電極は厚み方向の積層体側にガラスを多く含んでいることを特徴とする請求項1乃至請求項5のうちのいずれかに記載の圧電素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016251284 | 2016-12-26 | ||
JP2016251284 | 2016-12-26 | ||
PCT/JP2017/041775 WO2018123354A1 (ja) | 2016-12-26 | 2017-11-21 | 圧電素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018123354A1 JPWO2018123354A1 (ja) | 2019-10-31 |
JP6923560B2 true JP6923560B2 (ja) | 2021-08-18 |
Family
ID=62707262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018558905A Active JP6923560B2 (ja) | 2016-12-26 | 2017-11-21 | 圧電素子 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6923560B2 (ja) |
WO (1) | WO2018123354A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113161475A (zh) * | 2021-03-30 | 2021-07-23 | 广东奥迪威传感科技股份有限公司 | 一种微小的阵列压电传感器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0383952U (ja) * | 1989-09-29 | 1991-08-26 | ||
JPH08316394A (ja) * | 1995-05-12 | 1996-11-29 | Hitachi Ltd | 半導体装置 |
WO2007097460A1 (ja) * | 2006-02-27 | 2007-08-30 | Kyocera Corporation | セラミック部材の製造方法、並びにセラミック部材、ガスセンサ素子、燃料電池素子、フィルタ素子、積層型圧電素子、噴射装置、及び燃料噴射システム |
JP5697381B2 (ja) * | 2010-08-30 | 2015-04-08 | 京セラ株式会社 | 積層型圧電素子およびこれを備えた噴射装置ならびに燃料噴射システム |
CN103380504B (zh) * | 2011-02-24 | 2016-01-27 | 京瓷株式会社 | 层叠型压电元件及具备该层叠型压电元件的喷射装置以及燃料喷射系统 |
JP2012179630A (ja) * | 2011-03-01 | 2012-09-20 | Nippon Steel Corp | アルミニウム板またはアルミニウム合金板と鋼板との溶接継手及びアルミニウム板またはアルミニウム合金板と鋼板との溶接方法 |
JP5840997B2 (ja) * | 2012-03-30 | 2016-01-06 | 京セラ株式会社 | 積層型圧電素子および圧電アクチュエータ、噴射装置、燃料噴射システム |
-
2017
- 2017-11-21 JP JP2018558905A patent/JP6923560B2/ja active Active
- 2017-11-21 WO PCT/JP2017/041775 patent/WO2018123354A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JPWO2018123354A1 (ja) | 2019-10-31 |
WO2018123354A1 (ja) | 2018-07-05 |
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