JP3791614B2 - 強誘電体膜、強誘電体メモリ装置、圧電素子、半導体素子、圧電アクチュエータ、液体噴射ヘッド及びプリンタ - Google Patents
強誘電体膜、強誘電体メモリ装置、圧電素子、半導体素子、圧電アクチュエータ、液体噴射ヘッド及びプリンタ Download PDFInfo
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Description
図1は、本発明の実施形態に係る強誘電体膜101を用いた強誘電体キャパシタ100を模式的に示す断面図である。
次に、PbZr0.2Ti0.6Nb0.2O3薄膜の疲労特性、及びスタティックインプリントを測定したところ、図11(A)及び図11(B)に示すように、非常に良好であった。特に、図11(A)に示す疲労特性は、上下電極にPtを用いているにもかかわらず、非常に良好である。
本例ではPbZr0.4Ti0.6O3強誘電体膜を作製した。
図32(A)及び図32(B)は、本発明の実施形態における、単純マトリクス型の強誘電体メモリ装置300の構成を示した図である。図32(A)はその平面図、図32(B)は図32(A)のA−A線に沿った断面図である。強誘電体メモリ装置300は、図32(A)及び図32(B)に示すように、基板308上に形成された所定の数配列されたワード線301〜303と、所定の数配列されたビット線304〜306とを有する。ワード線301〜303とビット線304〜306との間には、上記実施の形態において説明したPZTNからなる強誘電体膜307が挿入され、ワード線301〜303とビット線304〜306との交差領域に強誘電体キャパシタが形成される。
電極または第2電極)410、強誘電体相と常誘電体相とを含む強誘電体膜411、およ
び強誘電体膜411の上に形成されてビット線またはワード線となる上部電極(第2電極
または第1電極)412から構成される。
以下に、本発明の実施形態における、インクジェット式記録ヘッドについて詳細に説明する。
Claims (11)
- AB1−xNbxO3で表される強誘電体膜であって、
A元素として、少なくともPbを含み、
B元素として、ZrおよびTiを含み、
0.1≦x≦0.4であって、0.5モル%以上のSiを含む、強誘電体膜。 - 請求項1において、
0.1≦x≦0.3である、強誘電体膜。 - 請求項1または2において、
前記強誘電体膜は、正方晶系および稜面体晶系の少なくとも一方の結晶構造を有する、強誘電体膜。 - 請求項1〜3のいずれかにおいて、
0.5モル%以上、5モル%未満のSiを含む、強誘電体膜。 - 請求項1〜4のいずれかにおいて、
Pbの欠損量の2倍に相当する組成比でNbを含む、強誘電体膜。 - 請求項1〜5のいずれかに記載の強誘電体膜を用いた、強誘電体メモリ装置。
- 請求項1〜5のいずれかに記載の強誘電体膜を用いた、圧電素子。
- 請求項1〜5のいずれかに記載の強誘電体膜を用いた、半導体素子。
- 請求項7に記載の圧電素子を用いた、圧電アクチュエータ。
- 請求項9に記載の圧電アクチュエータを用いた、液体噴射ヘッド。
- 請求項10に記載の液体噴射ヘッドを用いた、プリンタ。
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003302900A JP3791614B2 (ja) | 2002-10-24 | 2003-08-27 | 強誘電体膜、強誘電体メモリ装置、圧電素子、半導体素子、圧電アクチュエータ、液体噴射ヘッド及びプリンタ |
| US10/690,021 US7255941B2 (en) | 2002-10-24 | 2003-10-22 | Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor |
| EP20030758823 EP1555678B1 (en) | 2002-10-24 | 2003-10-23 | Ferroelectric film |
| CN2006101725263A CN1983464B (zh) | 2002-10-24 | 2003-10-23 | 强电介质膜、强电介质电容器、强电介质存储器、压电元件、半导体元件 |
| KR1020067024280A KR100813348B1 (ko) | 2002-10-24 | 2003-10-23 | 강유전체 캐패시터, 강유전체 메모리 장치, 압전 소자,압전 액츄에이터, 액체 분사 헤드의 제조 방법 |
| KR1020067024275A KR100740742B1 (ko) | 2002-10-24 | 2003-10-23 | 강유전체막, 강유전체 메모리 장치, 압전 소자, 반도체소자, 압전 액츄에이터, 액체 분사 헤드, 및 프린터 |
| PCT/JP2003/013556 WO2004038733A1 (ja) | 2002-10-24 | 2003-10-23 | 強誘電体膜、強誘電体キャパシタ、強誘電体メモリ、圧電素子、半導体素子、強誘電体膜の製造方法、及び強誘電体キャパシタの製造方法 |
| CN200610172524.4A CN1983462B (zh) | 2002-10-24 | 2003-10-23 | 强电介质膜的制造方法、和强电介质电容器的制造方法 |
| KR20047018844A KR100810858B1 (ko) | 2002-10-24 | 2003-10-23 | 강유전체막, 강유전체 메모리 장치, 압전 소자, 반도체 소자, 압전 액츄에이터, 액체 분사 헤드, 및 프린터 |
| KR1020067024276A KR100738303B1 (ko) | 2002-10-24 | 2003-10-23 | 강유전체막, 강유전체 메모리 장치, 압전 소자, 반도체소자, 압전 액츄에이터, 액체 분사 헤드, 및 프린터 |
| US11/286,286 US7371473B2 (en) | 2002-10-24 | 2005-11-25 | Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor |
| US11/286,284 US20060088731A1 (en) | 2002-10-24 | 2005-11-25 | Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002309487 | 2002-10-24 | ||
| JP2002309487 | 2002-10-24 | ||
| JP2003076129 | 2003-03-19 | ||
| JP2003076129 | 2003-03-19 | ||
| JP2003085791 | 2003-03-26 | ||
| JP2003294072 | 2003-08-18 | ||
| JP2003294072 | 2003-08-18 | ||
| JP2003302900A JP3791614B2 (ja) | 2002-10-24 | 2003-08-27 | 強誘電体膜、強誘電体メモリ装置、圧電素子、半導体素子、圧電アクチュエータ、液体噴射ヘッド及びプリンタ |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004105295A Division JP2005101512A (ja) | 2002-10-24 | 2004-03-31 | 強誘電体膜、強誘電体メモリ、圧電素子、半導体素子、液体噴射ヘッド、プリンタ及び強誘電体膜の製造方法 |
| JP2006007342A Division JP2006188427A (ja) | 2002-10-24 | 2006-01-16 | 強誘電体膜、強誘電体メモリ、圧電素子、半導体素子及び強誘電体膜の製造方法 |
| JP2006007343A Division JP4735834B2 (ja) | 2002-10-24 | 2006-01-16 | 強誘電体キャパシタの製造方法、強誘電体メモリの製造方法、圧電素子の製造方法、圧電アクチュエータの製造方法、及び液体噴射ヘッドの製造方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2005100660A JP2005100660A (ja) | 2005-04-14 |
| JP3791614B2 true JP3791614B2 (ja) | 2006-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2003302900A Expired - Fee Related JP3791614B2 (ja) | 2002-10-24 | 2003-08-27 | 強誘電体膜、強誘電体メモリ装置、圧電素子、半導体素子、圧電アクチュエータ、液体噴射ヘッド及びプリンタ |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US7255941B2 (ja) |
| EP (1) | EP1555678B1 (ja) |
| JP (1) | JP3791614B2 (ja) |
| KR (4) | KR100813348B1 (ja) |
| WO (1) | WO2004038733A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8100513B2 (en) | 2007-03-22 | 2012-01-24 | Fujifilm Corporation | Ferroelectric film, process for producing the same, ferroelectric device, and liquid discharge device |
| US10103316B2 (en) | 2014-11-28 | 2018-10-16 | Fujifilm Corporation | Piezoelectric film, piezoelectric element including the same, and liquid discharge apparatus |
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3791614B2 (ja) * | 2002-10-24 | 2006-06-28 | セイコーエプソン株式会社 | 強誘電体膜、強誘電体メモリ装置、圧電素子、半導体素子、圧電アクチュエータ、液体噴射ヘッド及びプリンタ |
| WO2004041914A1 (ja) * | 2002-11-05 | 2004-05-21 | Eamex Corporation | 導電性高分子複合構造体 |
| JP2004311924A (ja) | 2003-03-26 | 2004-11-04 | Seiko Epson Corp | 強誘電体キャパシタおよびその製造方法、強誘電体メモリ、圧電素子。 |
| JP2004319651A (ja) | 2003-04-14 | 2004-11-11 | Seiko Epson Corp | メモリの素子及びその製造方法 |
| US7057877B2 (en) * | 2003-08-27 | 2006-06-06 | Seiko Epson Corporation | Capacitor, method of manufacture thereof and semiconductor device |
| US7754353B2 (en) * | 2003-10-31 | 2010-07-13 | Newns Dennis M | Method and structure for ultra-high density, high data rate ferroelectric storage disk technology using stabilization by a surface conducting layer |
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- 2003-10-22 US US10/690,021 patent/US7255941B2/en not_active Expired - Fee Related
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- 2003-10-23 KR KR1020067024276A patent/KR100738303B1/ko not_active Expired - Fee Related
- 2003-10-23 EP EP20030758823 patent/EP1555678B1/en not_active Expired - Lifetime
- 2003-10-23 WO PCT/JP2003/013556 patent/WO2004038733A1/ja not_active Ceased
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- 2003-10-23 KR KR20047018844A patent/KR100810858B1/ko not_active Expired - Fee Related
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8100513B2 (en) | 2007-03-22 | 2012-01-24 | Fujifilm Corporation | Ferroelectric film, process for producing the same, ferroelectric device, and liquid discharge device |
| US10103316B2 (en) | 2014-11-28 | 2018-10-16 | Fujifilm Corporation | Piezoelectric film, piezoelectric element including the same, and liquid discharge apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1555678B1 (en) | 2013-08-21 |
| KR20050069933A (ko) | 2005-07-05 |
| JP2005100660A (ja) | 2005-04-14 |
| US20040214352A1 (en) | 2004-10-28 |
| KR20060127274A (ko) | 2006-12-11 |
| WO2004038733A1 (ja) | 2004-05-06 |
| EP1555678A1 (en) | 2005-07-20 |
| US7255941B2 (en) | 2007-08-14 |
| KR100810858B1 (ko) | 2008-03-06 |
| US20060088731A1 (en) | 2006-04-27 |
| US20060083933A1 (en) | 2006-04-20 |
| KR100813348B1 (ko) | 2008-03-12 |
| US7371473B2 (en) | 2008-05-13 |
| KR100740742B1 (ko) | 2007-07-19 |
| KR20060128061A (ko) | 2006-12-13 |
| KR100738303B1 (ko) | 2007-07-12 |
| EP1555678A4 (en) | 2007-05-23 |
| KR20070004107A (ko) | 2007-01-05 |
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