JP5277696B2 - 圧電デバイスの製造方法 - Google Patents
圧電デバイスの製造方法 Download PDFInfo
- Publication number
- JP5277696B2 JP5277696B2 JP2008099029A JP2008099029A JP5277696B2 JP 5277696 B2 JP5277696 B2 JP 5277696B2 JP 2008099029 A JP2008099029 A JP 2008099029A JP 2008099029 A JP2008099029 A JP 2008099029A JP 5277696 B2 JP5277696 B2 JP 5277696B2
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- JP
- Japan
- Prior art keywords
- layer
- piezoelectric
- tungsten
- angular velocity
- adhesion layer
- 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.)
- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 title claims description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 57
- 239000010937 tungsten Substances 0.000 claims description 55
- 229910052721 tungsten Inorganic materials 0.000 claims description 55
- 239000000758 substrate Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000000151 deposition Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 153
- 238000001514 detection method Methods 0.000 description 37
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- 229910052710 silicon Inorganic materials 0.000 description 18
- 239000010703 silicon Substances 0.000 description 18
- 238000004544 sputter deposition Methods 0.000 description 15
- 239000010936 titanium Substances 0.000 description 10
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 9
- 239000012790 adhesive layer Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000003993 interaction Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000010287 polarization Effects 0.000 description 7
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 230000036962 time dependent Effects 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 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 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Gyroscopes (AREA)
Description
32 圧電体層
33 下部電極層
34 上部電極層
35 密着層
36 配向制御層
37 圧電層
Claims (2)
- 基板の上方に下部電極層を形成する工程と、前記下部電極層の上方に圧電体層を形成する工程と、前記圧電体層の上方に上部電極層を形成する工程と、前記圧電体層と上部電極層との間に密着層を形成する工程とを備え、前記密着層を形成する工程は、前記基板を加熱せずにタングステンを蒸着することによりβ相タングステンからなる密着層を形成した後、このβ相タングステンからなる密着層を熱処理することによりα相タングステンからなる密着層に転移させるようにした圧電デバイスの製造方法。
- β相タングステンからなる密着層の熱処理を150℃〜300℃の範囲内で行うようにした請求項1記載の圧電デバイスの製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008099029A JP5277696B2 (ja) | 2008-04-07 | 2008-04-07 | 圧電デバイスの製造方法 |
US12/596,867 US8044557B2 (en) | 2007-04-24 | 2008-04-24 | Piezoelectric device and its manufacturing method |
PCT/JP2008/001074 WO2008132847A1 (ja) | 2007-04-24 | 2008-04-24 | 圧電デバイスおよびその製造方法 |
EP08751599.5A EP2144309B1 (en) | 2007-04-24 | 2008-04-24 | Piezoelectric device and its manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008099029A JP5277696B2 (ja) | 2008-04-07 | 2008-04-07 | 圧電デバイスの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009253008A JP2009253008A (ja) | 2009-10-29 |
JP5277696B2 true JP5277696B2 (ja) | 2013-08-28 |
Family
ID=41313426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008099029A Expired - Fee Related JP5277696B2 (ja) | 2007-04-24 | 2008-04-07 | 圧電デバイスの製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5277696B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5233157B2 (ja) * | 2007-04-24 | 2013-07-10 | パナソニック株式会社 | 圧電デバイス |
JP5612343B2 (ja) * | 2010-03-24 | 2014-10-22 | スタンレー電気株式会社 | 圧電体素子の製造方法 |
JP5563345B2 (ja) * | 2010-03-24 | 2014-07-30 | スタンレー電気株式会社 | 圧電体素子の製造方法 |
TWI672737B (zh) * | 2013-12-27 | 2019-09-21 | 美商蘭姆研究公司 | 允許低電阻率鎢特徵物填充之鎢成核程序 |
KR20210141762A (ko) | 2019-04-11 | 2021-11-23 | 램 리써치 코포레이션 | 고 단차 커버리지 (step coverage) 텅스텐 증착 |
KR20220047333A (ko) | 2019-08-12 | 2022-04-15 | 램 리써치 코포레이션 | 텅스텐 증착 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60142607A (ja) * | 1983-12-29 | 1985-07-27 | Nec Corp | 圧電薄膜複合振動子 |
JPH0513364A (ja) * | 1991-07-04 | 1993-01-22 | Oki Electric Ind Co Ltd | 半導体素子の製造方法 |
JPH06112155A (ja) * | 1992-09-25 | 1994-04-22 | Matsushita Electron Corp | コンタクトプラグ形成方法 |
JP3480767B2 (ja) * | 1995-09-05 | 2003-12-22 | 株式会社東芝 | 薄膜キャパシタ |
JP3890634B2 (ja) * | 1995-09-19 | 2007-03-07 | セイコーエプソン株式会社 | 圧電体薄膜素子及びインクジェット式記録ヘッド |
JP2000355763A (ja) * | 1999-04-16 | 2000-12-26 | Citizen Watch Co Ltd | タングステン膜の製造方法ならびに薄膜ヒーターとその製造方法 |
JP2003163387A (ja) * | 2001-11-29 | 2003-06-06 | Matsushita Electric Ind Co Ltd | 強誘電体素子およびそれを用いたアクチュエータ、インクジェットヘッドならびにインクジェット式記録装置 |
JP4225081B2 (ja) * | 2002-04-09 | 2009-02-18 | 株式会社村田製作所 | 電子部品の製造方法、電子部品及び弾性表面波フィルタ |
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2008
- 2008-04-07 JP JP2008099029A patent/JP5277696B2/ja not_active Expired - Fee Related
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JP2009253008A (ja) | 2009-10-29 |
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