JP4258530B2 - 圧電薄膜素子 - Google Patents
圧電薄膜素子 Download PDFInfo
- Publication number
- JP4258530B2 JP4258530B2 JP2006156319A JP2006156319A JP4258530B2 JP 4258530 B2 JP4258530 B2 JP 4258530B2 JP 2006156319 A JP2006156319 A JP 2006156319A JP 2006156319 A JP2006156319 A JP 2006156319A JP 4258530 B2 JP4258530 B2 JP 4258530B2
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- piezoelectric thin
- piezoelectric
- substrate
- film element
- 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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- 239000010409 thin film Substances 0.000 title claims description 138
- 239000000758 substrate Substances 0.000 claims description 42
- 239000000203 mixture Substances 0.000 claims description 27
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 26
- 229910052700 potassium Inorganic materials 0.000 claims description 26
- 239000011591 potassium Substances 0.000 claims description 26
- 239000010408 film Substances 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 16
- 239000002585 base Substances 0.000 claims description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 7
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 7
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- MVDSPIQMADQKKM-UHFFFAOYSA-N lithium potassium sodium Chemical compound [Li+].[Na+].[K+] MVDSPIQMADQKKM-UHFFFAOYSA-N 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 239000011734 sodium Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- OBTSLRFPKIKXSZ-UHFFFAOYSA-N lithium potassium Chemical compound [Li].[K] OBTSLRFPKIKXSZ-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001552 radio frequency sputter deposition Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- H10N30/704—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings
- H10N30/706—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings characterised by the underlying bases, e.g. substrates
- H10N30/708—Intermediate layers, e.g. barrier, adhesion or growth control buffer layers
-
- 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
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8542—Alkali metal based oxides, e.g. lithium, sodium or potassium niobates
-
- 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
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2041—Beam type
- H10N30/2042—Cantilevers, i.e. having one fixed end
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
2 基板
3 下部電極
4 圧電薄膜
5 上部電極
6 下地誘電体薄膜
Claims (4)
- 基板上に下部電極、圧電薄膜、上部電極を配した圧電薄膜素子において、前記圧電薄膜が(Na x1 K y1 Li z1 )NbO 3 (0<x1<1、0.4<y1<1、0≦z1<1、x1+y1+z1=1)で表されるアルカリニオブ酸化物系ペロブスカイト構造の誘電体薄膜であり、前記下部電極と前記圧電薄膜の間に(Na x2 K y2 Li z2 )NbO 3 (0<x2<1、0<y2≦0.4、0≦z2<1、x2+y2+z2=1かつy1>y2)で表されるアルカリニオブ酸化物系ペロブスカイト構造の下地誘電体薄膜を有することを特徴とする圧電薄膜素子。
- 基板上に下部電極、圧電薄膜、上部電極を配した圧電薄膜素子において、前記圧電薄膜が(Na x K y Li z )NbO 3 (0<x<1、0<y<1、0≦z<1、x+y+z=1)で表されるアルカリニオブ酸化物系ペロブスカイト構造の誘電体薄膜であり、前記圧電薄膜のカリウム組成値yが下部電極側から膜厚方向に、0.4以下から0.4より大まで漸増していることを特徴とする圧電薄膜素子。
- 前記圧電薄膜がペロブスカイト構造の正方晶または斜方晶の結晶構造を有し、その結晶が多結晶または単結晶で、(001)面、(100)面、(010)面、(111)面のいずれかの方向に優勢配向していることを特徴とする請求項1又は2に記載の圧電薄膜素子。
- 前記基板が、酸化マグネシウム基板、シリコン基板、ガラス基板、ステンレス基板、銅基板、アルミニウム基板のいずれかであることを特徴とする請求項1〜3いずれか記載の圧電薄膜素子。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006156319A JP4258530B2 (ja) | 2006-06-05 | 2006-06-05 | 圧電薄膜素子 |
| US11/756,687 US7518293B2 (en) | 2006-06-05 | 2007-06-01 | Piezoelectric thin-film element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006156319A JP4258530B2 (ja) | 2006-06-05 | 2006-06-05 | 圧電薄膜素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007320840A JP2007320840A (ja) | 2007-12-13 |
| JP4258530B2 true JP4258530B2 (ja) | 2009-04-30 |
Family
ID=38789283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006156319A Active JP4258530B2 (ja) | 2006-06-05 | 2006-06-05 | 圧電薄膜素子 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7518293B2 (ja) |
| JP (1) | JP4258530B2 (ja) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5115161B2 (ja) * | 2006-11-29 | 2013-01-09 | 日立電線株式会社 | 圧電薄膜素子 |
| JP5181538B2 (ja) * | 2007-06-06 | 2013-04-10 | 日立電線株式会社 | 圧電体及び圧電素子 |
| JP5281786B2 (ja) * | 2007-11-14 | 2013-09-04 | 日本碍子株式会社 | (Li,Na,K)(Nb,Ta)O3系圧電材料、及びその製造方法 |
| JP5267082B2 (ja) * | 2008-01-24 | 2013-08-21 | 日立電線株式会社 | 圧電薄膜素子及びそれを用いたセンサ並びにアクチュエータ |
| JP5525143B2 (ja) * | 2008-06-05 | 2014-06-18 | 日立金属株式会社 | 圧電薄膜素子及び圧電薄膜デバイス |
| JP5035378B2 (ja) | 2009-06-22 | 2012-09-26 | 日立電線株式会社 | 圧電薄膜素子及びその製造方法、並びに圧電薄膜デバイス |
| DE112010005432B9 (de) * | 2010-03-29 | 2016-11-24 | Sumitomo Chemical Company, Limited | Piezoelektrisches dünnes Filmelement |
| JP2012011615A (ja) * | 2010-06-30 | 2012-01-19 | Seiko Epson Corp | 液体噴射ヘッド、液体噴射ヘッドユニット及び液体噴射装置 |
| JP5471988B2 (ja) * | 2010-09-08 | 2014-04-16 | 日立金属株式会社 | 圧電体薄膜ウェハの製造方法、圧電体薄膜素子及び圧電体薄膜デバイス、並びに圧電体薄膜ウェハの加工方法 |
| JP5808262B2 (ja) * | 2012-01-23 | 2015-11-10 | 株式会社サイオクス | 圧電体素子及び圧電体デバイス |
| JP5858385B2 (ja) * | 2012-08-07 | 2016-02-10 | 住友化学株式会社 | 圧電体素子、圧電体デバイス及びその製造方法 |
| EP2884551B1 (en) * | 2012-08-08 | 2017-04-12 | Konica Minolta, Inc. | Piezoelectric element, piezoelectric device, ink-jet head, and ink-jet printer |
| US9324931B2 (en) | 2013-05-14 | 2016-04-26 | Tdk Corporation | Piezoelectric device |
| JP7528556B2 (ja) | 2020-06-17 | 2024-08-06 | セイコーエプソン株式会社 | 圧電素子、圧電素子応用デバイス |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5719607A (en) * | 1994-08-25 | 1998-02-17 | Seiko Epson Corporation | Liquid jet head |
| JP3777931B2 (ja) | 2000-01-11 | 2006-05-24 | セイコーエプソン株式会社 | 表面弾性波素子 |
| JP4929522B2 (ja) | 2000-08-25 | 2012-05-09 | 株式会社豊田中央研究所 | 圧電磁器組成物 |
| JP2002151754A (ja) | 2000-11-15 | 2002-05-24 | Mitsubishi Electric Corp | 圧電体薄膜素子及びその製造方法 |
| DE60239464D1 (de) * | 2001-06-15 | 2011-04-28 | Tdk Corp | Piezoelektrisches porzellan und verfahren zu seiner herstellung |
| JP4228569B2 (ja) * | 2001-11-28 | 2009-02-25 | セイコーエプソン株式会社 | 電子デバイス用基板の製造方法及び電子デバイスの製造方法 |
| JP2004224627A (ja) | 2003-01-22 | 2004-08-12 | Seiko Epson Corp | ニオブ酸カリウム単結晶薄膜の製造方法、表面弾性波素子、周波数フィルタ、周波数発振器、電子回路、および電子機器 |
| JP2005057332A (ja) * | 2003-08-04 | 2005-03-03 | Tdk Corp | フィルタ装置およびそれを用いた分波器 |
| JP4211586B2 (ja) * | 2003-12-02 | 2009-01-21 | セイコーエプソン株式会社 | 圧電体デバイス及び液体吐出ヘッド並びにこれらの製造方法、薄膜形成装置 |
| JP2006124251A (ja) | 2004-10-29 | 2006-05-18 | Denso Corp | 結晶配向セラミックスの製造方法 |
| JP2007287918A (ja) | 2006-04-17 | 2007-11-01 | Seiko Epson Corp | 圧電体積層体、表面弾性波素子、薄膜圧電共振子および圧電アクチュエータ、ならびに圧電体積層体の製造方法 |
-
2006
- 2006-06-05 JP JP2006156319A patent/JP4258530B2/ja active Active
-
2007
- 2007-06-01 US US11/756,687 patent/US7518293B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20070278904A1 (en) | 2007-12-06 |
| JP2007320840A (ja) | 2007-12-13 |
| US7518293B2 (en) | 2009-04-14 |
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