JP4945801B2 - 圧電素子、及び圧電素子の製造方法 - Google Patents
圧電素子、及び圧電素子の製造方法 Download PDFInfo
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Description
2 内部電極
(実施例1)
まず、セラミック素原料として、K2CO3、Na2CO3、及びNb2O5を用意し、主成分が組成式(K0.5Na0.5)NbO3で表される圧電磁器組成物が得られるように前記セラミック素原料を秤量した。
セラミック素原料としてK2CO3、Na2CO3、Li2CO3及びNb2O5を用意し、主成分が組成式(K0.475Na0.475Li0.05)NbO3で表される圧電磁器組成物が得られるように前記セラミック素原料を秤量し、それ以外は実施例1と同様の方法・手順で実施例2の試験片を作製した。尚、焼成温度は1050℃、焼成時間は2時間であった。
セラミック素原料としてK2CO3、Na2CO3、Li2CO3、Nb2O5及びTa2O5を用意し、主成分が組成式(K0.5Na0.5)(Nb0.9Ta0.1)O3で表される圧電磁器組成物が得られるように前記セラミック素原料を秤量し、それ以外は実施例1と同様の方法・手順で実施例3の試験片を作製した。尚、焼成温度は1050℃、焼成時間は2時間であった。
三本ロールミルを使用し、平均粒径1.5μmのPt粉末を実施例1と同様の有機ビヒクル中に分散させて導電性ペーストを作製した。
Pb3O4、TiO2、及びZrO2を用意し、主成分が組成式Pb(Ti0.48Zr0.52)O3で表される圧電磁器組成物が得られるように前記セラミック素原料を秤量した。
比較例1〜3で作製したPtを主成分とする導電性ペーストを使用し、比較例4で得られたセラミックグリーンシートにスクリーン印刷を施し、その後導電パターンの形成されたセラミックグリーンシートを導電パターンの形成されていない複数枚のセラミックグリーンシートで挟持し、圧着してセラミック積層体を形成した。
Pb3O4、CaCO3、TiO2、及びZrO2を用意し、主成分が組成式(Pb0.8Ca0.2)(Ti0.48Zr0.52)O3で表される圧電磁器組成物が得られるように前記セラミック素原料を秤量した。
Pb3O4、CaCO3、TiO2、及びZrO2を用意し、主成分が組成式(Pb0.92Ca0.1)(Ti0.48Zr0.52)O3で表される圧電磁器組成物が得られるように前記セラミック素原料を秤量した。
上記各試験片の表裏両面の外部電極と内部電極との間にインピーダンス・アナライザ(ヒューレット・パッカード社製:HP4291A)を接続し、圧電振動させて電気機械結合係数kを測定し、圧電特性を評価した。
Claims (3)
- 圧電セラミック素体に内部電極が埋設された圧電素子において、
前記圧電セラミック素体が、ニオブ酸アルカリ金属系化合物からなるペロブスカイト型複合酸化物を主成分とすると共に、
前記内部電極がNiを主成分とする卑金属材料からなり、
前記内部電極と前記圧電セラミック素体とが共焼結されてなることを特徴とする圧電素子。 - 前記ニオブ酸アルカリ金属系化合物は、少なくともK、Li、及びNaの中から選択された1種の元素が含有されていることを特徴とする請求項1記載の圧電素子。
- 圧電セラミック素体に内部電極が埋設された圧電素子の製造方法であって、
ニオブ酸アルカリ金属系化合物からなるペロブスカイト型複合酸化物を主成分とする圧電セラミック材料を用意し、所定の形状に成形して成形体を得る工程と、
前記内部電極を形成するための導電性ペーストを前記成形体に付与する工程と、
前記導電ペーストが付与された前記成形体を積層して積層体を得る工程と、
前記積層体を還元雰囲気中で共焼結する工程とを含み、
前記導電性ペーストがNiを主成分とした卑金属材料を含有していることを特徴とする圧電素子の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007509144A JP4945801B2 (ja) | 2005-03-24 | 2005-12-19 | 圧電素子、及び圧電素子の製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005086102 | 2005-03-24 | ||
| JP2005086102 | 2005-03-24 | ||
| PCT/JP2005/023247 WO2006100807A1 (ja) | 2005-03-24 | 2005-12-19 | 圧電素子、及び圧電素子の製造方法 |
| JP2007509144A JP4945801B2 (ja) | 2005-03-24 | 2005-12-19 | 圧電素子、及び圧電素子の製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JPWO2006100807A1 JPWO2006100807A1 (ja) | 2008-08-28 |
| JP4945801B2 true JP4945801B2 (ja) | 2012-06-06 |
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| US (2) | US20080252179A1 (ja) |
| JP (1) | JP4945801B2 (ja) |
| WO (1) | WO2006100807A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007258280A (ja) * | 2006-03-20 | 2007-10-04 | Tdk Corp | 積層型圧電素子 |
| JPWO2008152851A1 (ja) * | 2007-06-15 | 2010-08-26 | 株式会社村田製作所 | 圧電磁器組成物、及び圧電セラミック電子部品 |
| US20090199392A1 (en) * | 2008-02-11 | 2009-08-13 | General Electric Company | Ultrasound transducer probes and system and method of manufacture |
| JP5219921B2 (ja) * | 2008-05-28 | 2013-06-26 | キヤノン株式会社 | 金属酸化物、圧電材料および圧電素子 |
| JP5561483B2 (ja) * | 2008-10-28 | 2014-07-30 | 株式会社村田製作所 | 圧電セラミック電子部品 |
| JP5515675B2 (ja) * | 2009-11-20 | 2014-06-11 | 日立金属株式会社 | 圧電薄膜素子及び圧電薄膜デバイス |
| JP5531635B2 (ja) * | 2010-01-18 | 2014-06-25 | 日立金属株式会社 | 圧電薄膜素子及び圧電薄膜デバイス |
| DE102011010346B4 (de) * | 2011-02-04 | 2014-11-20 | H.C. Starck Gmbh | Verfahren zur Herstellung eines homogenen Mehrstoffsystems, Keramikwerkstoff auf Basis des homogenen Mehrstoffsystems und dessen Verwendung |
| JP5662888B2 (ja) * | 2011-07-04 | 2015-02-04 | 太陽誘電株式会社 | 多積層圧電セラミックス部品 |
| US8853918B2 (en) * | 2011-09-22 | 2014-10-07 | General Electric Company | Transducer structure for a transducer probe and methods of fabricating same |
| TW201434789A (zh) * | 2013-01-29 | 2014-09-16 | Canon Kk | 壓電材料、壓電元件及電子裝備 |
| WO2014119702A1 (en) * | 2013-01-29 | 2014-08-07 | Canon Kabushiki Kaisha | Piezoelectric material, piezoelectric element, and electronic equipment |
| CN104969373A (zh) * | 2013-01-29 | 2015-10-07 | 佳能株式会社 | 压电材料、压电器件和电子装置 |
| WO2014162752A1 (ja) * | 2013-04-04 | 2014-10-09 | 株式会社村田製作所 | 誘電体磁器組成物およびそれを用いた積層セラミックコンデンサ |
| EP3053896B1 (en) * | 2013-09-30 | 2018-07-18 | Murata Manufacturing Co., Ltd. | Multilayer piezoelectric ceramic electronic component and method for manufacturing multilayer piezoelectric ceramic electronic component |
| WO2015166914A1 (ja) * | 2014-04-28 | 2015-11-05 | 株式会社村田製作所 | 圧電素子、圧電素子の製造方法、および圧電素子を備える圧電振動子 |
| WO2017006984A1 (ja) * | 2015-07-09 | 2017-01-12 | 株式会社村田製作所 | 圧電セラミック電子部品、及び圧電セラミック電子部品の製造方法 |
| JP6725049B1 (ja) * | 2019-12-16 | 2020-07-15 | Tdk株式会社 | 積層圧電素子 |
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| JP2004274030A (ja) * | 2003-02-19 | 2004-09-30 | Denso Corp | ユニット接合積層圧電素子及びその製造方法 |
| JP2005072370A (ja) * | 2003-08-26 | 2005-03-17 | Ngk Insulators Ltd | 積層セラミックス電子部品及び製造方法 |
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| JPS4881096A (ja) | 1972-01-31 | 1973-10-30 | ||
| JPS5612029B2 (ja) | 1972-09-30 | 1981-03-18 | ||
| JPS5612031B2 (ja) | 1973-01-30 | 1981-03-18 | ||
| JPS63132491A (ja) * | 1986-11-21 | 1988-06-04 | Toko Inc | 圧電セラミツクの製造方法 |
| US5163209A (en) * | 1989-04-26 | 1992-11-17 | Hitachi, Ltd. | Method of manufacturing a stack-type piezoelectric element |
| US5892318A (en) * | 1997-01-02 | 1999-04-06 | Motorola Inc. | Piezoelectric transformer with multiple output |
| DE10101188A1 (de) * | 2001-01-12 | 2002-08-01 | Bosch Gmbh Robert | Piezoelektrisches keramisches Material, Verfahren zu dessen Herstellung und elektrokeramisches Mehrlagenbauteil |
| JP2004002069A (ja) * | 2002-05-30 | 2004-01-08 | Tdk Corp | 圧電磁器の製造方法および圧電素子の製造方法 |
| JP2006108652A (ja) | 2004-09-07 | 2006-04-20 | Denso Corp | 積層型圧電素子及びとその製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004274030A (ja) * | 2003-02-19 | 2004-09-30 | Denso Corp | ユニット接合積層圧電素子及びその製造方法 |
| JP2005072370A (ja) * | 2003-08-26 | 2005-03-17 | Ngk Insulators Ltd | 積層セラミックス電子部品及び製造方法 |
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|---|---|
| US20080252179A1 (en) | 2008-10-16 |
| US20100083474A1 (en) | 2010-04-08 |
| US8316519B2 (en) | 2012-11-27 |
| JPWO2006100807A1 (ja) | 2008-08-28 |
| WO2006100807A1 (ja) | 2006-09-28 |
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