JP5774094B2 - 誘電体セラミックスおよびこれを備える誘電体フィルタ - Google Patents
誘電体セラミックスおよびこれを備える誘電体フィルタ Download PDFInfo
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Description
5%以上の部分が存在しており、前記焼結体表面におけるZn濃度5%以上の部分の面積占有率が0.1%以上5%以下であることを特徴とするものである。
n濃度5%以上の部分が存在しており、前記焼結体表面におけるZn濃度5%以上の部分の面積占有率が0.1%以上5%以下であることにより、比誘電率εrが40〜46であり、焼
結体表面の少なくとも一部にZn濃度5%以上の部分が存在していないときよりもQf値を向上させることができる。
かった。また、主成分の組成範囲の他の構成のものについても同様に、I2/I1の値が0.1以上2.0以下であることにより、Qf値の向上が図れることを確認した。
2:金属ケース
3:入力端子
4:出力端子
5:誘電体セラミックス
Claims (8)
- 主成分の組成式を、αZrO2・βTiO2・γZnO・δNb2O5と表したとき、モル比α,β,γ,δが下記を満足する焼結体からなり、焼結体表面の少なくとも一部にZn濃度5%以上の部分が存在しており、前記焼結体表面におけるZn濃度5%以上の部分の面積占有率が0.1%以上5%以下であることを特徴とする誘電体セラミックス。
0.3000≦α≦0.5500
0.3300≦β≦0.6000
0.0108≦γ≦0.0717
0.0193≦δ≦0.1283
α+β+γ+δ=1
0.5<γ/δ≦1 - 前記組成式のモル比α,β,γ,δが下記を満足することを特徴とする請求項1に記載の誘電体セラミックス。
0.3500≦α≦0.4000
0.4800≦β≦0.5300
0.0358≦γ≦0.0538
0.0642≦δ≦0.0963
α+β+γ+δ=1
0.5385≦γ/δ≦0.7647 - 前記主成分100質量%に対して、CaをCaO換算で0.01質量%を越え0.3質量%以下含むことを特徴とする請求項1または請求項2に記載の誘電体セラミックス。
- Mo,CeまたはYのうち1種以上の酸化物を含み、前記主成分100質量%に対して、それぞれMoO3,CeO2,Y2O3に換算した値の合計で0.3質量%以下(0質量%を除く)含むことを特徴とする請求項1または請求項2に記載の誘電体セラミックス。
- Si,Al,MnおよびCuのうち少なくとも1種の酸化物を含み、前記主成分100質量%に対して、それぞれSiO2,Al2O3,MnO2およびCuOに換算した値の合計で0.005質量%以上0.2質量%以下含むことを特徴とする請求項1乃至請求項4のいずれかに記載の誘電体セラミックス。
- 2θ=30.5°〜30.6°における(Zr0.4Ti0.6)O2のX線回折強度をI1、2θ=35.0°〜35.5°におけるZn2TiO4のX線回折強度をI2としたとき、I2/I1が0.1以上2.0以下であることを特徴とする請求項1乃至請求項5のいずれかに記載の誘電体セラミックス。
- TixNb1−xO2(0.04≦x≦0.2)の結晶相を含むことを特徴とする請求項1乃至請求項6のいずれかに記載の誘電体セラミックス。
- 請求項1乃至請求項7のいずれかに記載の誘電体セラミックスと、該誘電体セラミックスと電磁界結合され、外部から電気信号が入力される入力端子と、前記誘電体セラミックスと電磁界結合されて前記誘電体セラミックスの共振周波数と対応した電気信号を選択的に出力する出力端子とを備えることを特徴とする誘電体フィルタ。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013512395A JP5774094B2 (ja) | 2011-04-25 | 2012-04-25 | 誘電体セラミックスおよびこれを備える誘電体フィルタ |
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| JP2011097326 | 2011-04-25 | ||
| JP2011097326 | 2011-04-25 | ||
| JP2011143112 | 2011-06-28 | ||
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| JP2011259093 | 2011-11-28 | ||
| JP2011259093 | 2011-11-28 | ||
| PCT/JP2012/061041 WO2012147769A1 (ja) | 2011-04-25 | 2012-04-25 | 誘電体セラミックスおよびこれを備える誘電体フィルタ |
| JP2013512395A JP5774094B2 (ja) | 2011-04-25 | 2012-04-25 | 誘電体セラミックスおよびこれを備える誘電体フィルタ |
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| JPWO2012147769A1 JPWO2012147769A1 (ja) | 2014-07-28 |
| JP5774094B2 true JP5774094B2 (ja) | 2015-09-02 |
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| CN (1) | CN103492346B (ja) |
| WO (1) | WO2012147769A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2015195342A (ja) * | 2014-03-28 | 2015-11-05 | Tdk株式会社 | 誘電体組成物および電子部品 |
| CN108321473A (zh) * | 2018-03-01 | 2018-07-24 | 成都宇鑫洪科技有限公司 | 一种微距型多频、高低混频滤波排插件 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| JPH08157259A (ja) * | 1994-11-30 | 1996-06-18 | Matsushita Electric Ind Co Ltd | セラミック誘電体の製造方法 |
| JPH11317603A (ja) * | 1998-02-27 | 1999-11-16 | Matsushita Electric Ind Co Ltd | バランス型誘電体フィルタ |
| JP2000044341A (ja) * | 1998-07-22 | 2000-02-15 | Amecs Corp Ltd | 誘電体セラミック組成物 |
| JP2003146743A (ja) * | 2001-11-13 | 2003-05-21 | Samsung Electro Mech Co Ltd | 誘電体セラミック組成物 |
| JP2005001944A (ja) * | 2003-06-12 | 2005-01-06 | Ube Ind Ltd | 誘電体磁器組成物およびこれを用いた積層セラミック部品 |
| JP2005225719A (ja) * | 2004-02-13 | 2005-08-25 | Tdk Corp | 誘電体磁器組成物 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6222431B1 (en) * | 1998-02-27 | 2001-04-24 | Matsushita Electric Industrial Co., Ltd. | Balanced dielectric filter |
-
2012
- 2012-04-25 WO PCT/JP2012/061041 patent/WO2012147769A1/ja not_active Ceased
- 2012-04-25 JP JP2013512395A patent/JP5774094B2/ja not_active Expired - Fee Related
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06295619A (ja) * | 1992-09-10 | 1994-10-21 | Matsushita Electric Ind Co Ltd | 誘電体磁器及び誘電体共振器 |
| JPH08157259A (ja) * | 1994-11-30 | 1996-06-18 | Matsushita Electric Ind Co Ltd | セラミック誘電体の製造方法 |
| JPH11317603A (ja) * | 1998-02-27 | 1999-11-16 | Matsushita Electric Ind Co Ltd | バランス型誘電体フィルタ |
| JP2000044341A (ja) * | 1998-07-22 | 2000-02-15 | Amecs Corp Ltd | 誘電体セラミック組成物 |
| JP2003146743A (ja) * | 2001-11-13 | 2003-05-21 | Samsung Electro Mech Co Ltd | 誘電体セラミック組成物 |
| JP2005001944A (ja) * | 2003-06-12 | 2005-01-06 | Ube Ind Ltd | 誘電体磁器組成物およびこれを用いた積層セラミック部品 |
| JP2005225719A (ja) * | 2004-02-13 | 2005-08-25 | Tdk Corp | 誘電体磁器組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103492346A (zh) | 2014-01-01 |
| WO2012147769A1 (ja) | 2012-11-01 |
| CN103492346B (zh) | 2015-05-27 |
| JPWO2012147769A1 (ja) | 2014-07-28 |
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