JP4748170B2 - 圧電単結晶材料及び該圧電単結晶材料を用いた圧電デバイス - Google Patents
圧電単結晶材料及び該圧電単結晶材料を用いた圧電デバイス Download PDFInfo
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- JP4748170B2 JP4748170B2 JP2008028586A JP2008028586A JP4748170B2 JP 4748170 B2 JP4748170 B2 JP 4748170B2 JP 2008028586 A JP2008028586 A JP 2008028586A JP 2008028586 A JP2008028586 A JP 2008028586A JP 4748170 B2 JP4748170 B2 JP 4748170B2
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- Prior art keywords
- single crystal
- piezoelectric
- crystal material
- composition
- piezoelectric single
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- 239000013078 crystal Substances 0.000 title claims description 61
- 239000000463 material Substances 0.000 title claims description 30
- 239000000203 mixture Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 description 14
- 239000012071 phase Substances 0.000 description 14
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 6
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000010897 surface acoustic wave method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910018967 Pt—Rh Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
Images
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- Crystals, And After-Treatments Of Crystals (AREA)
Description
−x+2y+z=1 (0<x<3、0<y<1、0<z<2)
が満たされなくてはならない。
2、10 ルツボ
3、17 融液
4、13 種子結晶
5 アフターヒーター
6 引き下げ軸
7、18 単結晶
11 断熱材
12 耐火物ハウジング
14 引き上げ軸
15 耐火物円筒
16 高周波誘導コイル
Claims (5)
- Ca3Ga2Ge4O14構造を有しており、主要成分がLa、Sr、Ta、Ga及びSiよりなり、組成式La3−xSrxTayGa6−y-zSizO14で表され、前記組成式のx、y、zが、(x=0、y=0.35、z=0.3)、(x=0.2、y=0.4、z=0.4)、(x=0.8、y=0.5、z=0.8)、(x=1.2、y=0.5、z=1.2)、(x=1.0、y=0.3、z=1.4)、(x=0.6、y=0.1、z=1.4)、(x=0.2、y=0、z=1.2)、(x=0、y=0.15、z=0.7)、(x=0、y=0.35、z=0.3)を順次結ぶことで得られる組成範囲にあることを特徴とする圧電単結晶材料。
- 前記組成式のx、y、zが、x=0.2、y=0.4、z=0.4であることを特徴とする請求項1に記載の圧電単結晶材料。
- 前記組成式のx、y、zが、x=1、y=0.5、z=1であることを特徴とする請求項1に記載の圧電単結晶材料。
- 前記組成式のx、y、zが、x=0.6、y=0.4、z=0.8であることを特徴とする請求項1に記載の圧電単結晶材料。
- 請求項1から4のいずれか1項に記載の圧電単結晶材料を用いたことを特徴とする圧電デバイス。
Priority Applications (1)
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JP2008028586A JP4748170B2 (ja) | 2008-02-08 | 2008-02-08 | 圧電単結晶材料及び該圧電単結晶材料を用いた圧電デバイス |
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JP2008028586A JP4748170B2 (ja) | 2008-02-08 | 2008-02-08 | 圧電単結晶材料及び該圧電単結晶材料を用いた圧電デバイス |
Related Parent Applications (1)
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JP2001155645A Division JP2002348197A (ja) | 2001-05-24 | 2001-05-24 | 圧電単結晶材料及び該圧電単結晶材料を用いた圧電デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008133187A JP2008133187A (ja) | 2008-06-12 |
JP4748170B2 true JP4748170B2 (ja) | 2011-08-17 |
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JP2008028586A Expired - Fee Related JP4748170B2 (ja) | 2008-02-08 | 2008-02-08 | 圧電単結晶材料及び該圧電単結晶材料を用いた圧電デバイス |
Country Status (1)
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JP (1) | JP4748170B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2552476C2 (ru) * | 2010-10-13 | 2015-06-10 | Тдк Корпорейшн | Оксидный материал лангаситного типа, способ его получения и сырьевой материал, используемый в способе получения |
CH709395A1 (de) * | 2014-03-21 | 2015-09-30 | Kistler Holding Ag | Piezoelektrisches Messelement zur Messung des dynamischen Druckes sowie des statischen Druckes und/oder der Temperatur. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3562947B2 (ja) * | 1997-12-04 | 2004-09-08 | Tdk株式会社 | 圧電体材料 |
JP3404461B2 (ja) * | 1999-06-07 | 2003-05-06 | ティーディーケイ株式会社 | 弾性表面波装置及びその基板 |
JP3714082B2 (ja) * | 2000-01-13 | 2005-11-09 | 株式会社村田製作所 | ランガサイト系単結晶基板の製造方法、ランガサイト系単結晶基板および圧電デバイス |
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- 2008-02-08 JP JP2008028586A patent/JP4748170B2/ja not_active Expired - Fee Related
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