KR20120128565A - 강유전체 박막의 제조 방법 - Google Patents
강유전체 박막의 제조 방법 Download PDFInfo
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- KR20120128565A KR20120128565A KR1020120051128A KR20120051128A KR20120128565A KR 20120128565 A KR20120128565 A KR 20120128565A KR 1020120051128 A KR1020120051128 A KR 1020120051128A KR 20120051128 A KR20120051128 A KR 20120051128A KR 20120128565 A KR20120128565 A KR 20120128565A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- H10N30/07—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base
- H10N30/074—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
- H10N30/079—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing using intermediate layers, e.g. for growth control
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- H10N30/00—Piezoelectric or electrostrictive devices
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- H10N30/706—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings characterised by the underlying bases, e.g. substrates
- H10N30/708—Intermediate layers, e.g. barrier, adhesion or growth control buffer layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
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- H10D1/692—Electrodes
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- H10D1/692—Electrodes
- H10D1/696—Electrodes comprising multiple layers, e.g. comprising a barrier layer and a metal layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
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Abstract
Description
도 2 는, 본 발명의 제 2 실시형태의 제조 방법을 설명하기 위한 단면도.
도 3 은, 실시예 1, 2, 5, 6, 9, 11, 12, 13, 15, 16, 19, 20 의 XRD 패턴을 나타내는 도면.
도 4 는, 비교예 1, 2, 3 의 XRD 패턴을 나타내는 도면.
도 5 는, 실시예 9 의 표면 SEM 이미지 (배율 10000 배).
도 6 은, 실시예 13 의 표면 SEM 이미지 (배율 50000 배).
Claims (13)
- 기판 본체와, 결정면이 (111) 축 방향으로 배향된 하부 전극을 갖는 기판의 상기 하부 전극 상에, 강유전체 박막 형성용 조성물을 도포하여, 예비 소성한 후, 소성하여 결정화시킴으로써 상기 하부 전극 상에 강유전체 박막을 제조하는 방법에 있어서,
상기 강유전체 박막 형성용 조성물을 상기 하부 전극 상에 도포, 예비 소성, 소성하여 배향 제어층을 형성하고, 상기 강유전체 박막 형성용 조성물의 도포량을 상기 배향 제어층의 결정화 후의 층두께가 35 ㎚?150 ㎚ 의 범위 내가 되도록 설정하여 상기 배향 제어층의 우선적인 결정 배향을 (100) 면으로 하는 것을 특징으로 하는 강유전체 박막의 제조 방법. - 제 1 항에 있어서,
상기 배향 제어층을 형성하기 위한 예비 소성 온도가 150 ℃?200 ℃ 또는 285 ℃?315 ℃ 의 범위 내에 있는, 강유전체 박막의 제조 방법. - 제 1 항에 있어서,
상기 배향 제어층을 형성하기 전에, 상기 하부 전극 상에 결정 입경 제어층을 형성하고, 상기 결정 입경 제어층 상에 상기 배향 제어층을 형성하는, 강유전체 박막의 제조 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 배향 제어층을 형성한 후, 추가로 상기 강유전체 박막 형성용 조성물을 상기 배향 제어층 상에 도포, 예비 소성, 소성하여 상기 배향 제어층의 결정 배향과 동일한 결정 배향을 갖는 막두께 조정층을 형성하는 공정을 갖는, 강유전체 박막의 제조 방법. - 제 4 항에 있어서,
상기 막두께 조정층을 형성하는 공정에서, 상기 예비 소성 온도가 200 ℃?450 ℃ 의 범위 내에 있는, 강유전체 박막의 제조 방법. - 제 1 항에 있어서,
상기 강유전체 박막이 Pb 함유 페로브스카이트형 산화물이고, 상기 강유전체 박막 형성용 조성물이 β-디케톤류 및 다가 알코올류를 포함하고 있는, 강유전체 박막의 제조 방법. - 제 6 항에 있어서,
상기 β-디케톤류가 아세틸아세톤이고, 상기 다가 알코올류가 프로필렌글리콜인, 강유전체 박막의 제조 방법. - 제 1 항 내지 제 7 항 중 어느 한 항에 기재된 방법에 의해 제조된 (100) 면에 우선적으로 결정 배향된, 강유전체 박막.
- 제 8 항에 기재된 강유전체 박막을 갖는 박막 콘덴서, 커패시터, IPD, DRAM 메모리용 콘덴서, 적층 콘덴서, 트랜지스터의 게이트 절연체, 불휘발성 메모리, 초전형 적외선 검출 소자, 압전 소자, 전기 광학 소자, 액추에이터, 공진자, 초음파 모터, 또는 LC 노이즈 필터 소자의, 복합 전자 부품.
- 제 1 항에 있어서,
상기 기판이 실리콘 기판 또는 사파이어 기판인, 강유전체 박막의 제조 방법. - 제 1 항에 있어서,
상기 하부 전극이, Pt, Ir, Ru 에서 선택되는 적어도 1 종의 금속으로 이루어지는, 강유전체 박막의 제조 방법. - 제 3 항에 있어서,
상기 결정 입경 제어층이 티탄산납, 티탄산지르콘산납, 지르콘산납에서 선택되는 적어도 1 종의 화합물로 이루어지는, 강유전체 박막의 제조 방법. - 제 4 항에 있어서,
상기 막두께 조정층을 형성하는 공정에서, 상기 강유전체 박막 형성용 조성물의 도포 및 예비 소성을 복수 회 실시한 후, 소성하는 공정을 적어도 1 회 실시하는, 강유전체 박막의 제조 방법.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2011-110680 | 2011-05-17 | ||
| JP2011110680 | 2011-05-17 | ||
| JPJP-P-2012-073402 | 2012-03-28 | ||
| JP2012073402A JP5613910B2 (ja) | 2011-05-17 | 2012-03-28 | Pzt強誘電体薄膜の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20120128565A true KR20120128565A (ko) | 2012-11-27 |
| KR101970832B1 KR101970832B1 (ko) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020120051128A Active KR101970832B1 (ko) | 2011-05-17 | 2012-05-14 | 강유전체 박막의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US8956689B2 (ko) |
| EP (2) | EP2525391B1 (ko) |
| JP (1) | JP5613910B2 (ko) |
| KR (1) | KR101970832B1 (ko) |
| CN (1) | CN102790169B (ko) |
| TW (2) | TWI549183B (ko) |
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- 2012-05-14 KR KR1020120051128A patent/KR101970832B1/ko active Active
- 2012-05-15 CN CN201210151102.4A patent/CN102790169B/zh active Active
- 2012-05-15 EP EP12168002.9A patent/EP2525391B1/en active Active
- 2012-05-15 EP EP14196902.2A patent/EP2876666B1/en active Active
- 2012-05-15 US US13/471,796 patent/US8956689B2/en active Active
- 2012-05-16 TW TW101117400A patent/TWI549183B/zh active
- 2012-05-16 TW TW104144083A patent/TWI588895B/zh active
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2014
- 2014-12-19 US US14/576,780 patent/US20150187569A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201620038A (zh) | 2016-06-01 |
| US20120295099A1 (en) | 2012-11-22 |
| CN102790169B (zh) | 2015-08-19 |
| TWI549183B (zh) | 2016-09-11 |
| KR101970832B1 (ko) | 2019-04-19 |
| EP2525391A3 (en) | 2014-07-02 |
| EP2525391B1 (en) | 2021-08-11 |
| EP2525391A2 (en) | 2012-11-21 |
| JP2012256850A (ja) | 2012-12-27 |
| CN102790169A (zh) | 2012-11-21 |
| US8956689B2 (en) | 2015-02-17 |
| TWI588895B (zh) | 2017-06-21 |
| TW201310527A (zh) | 2013-03-01 |
| EP2876666A1 (en) | 2015-05-27 |
| US20150187569A1 (en) | 2015-07-02 |
| JP5613910B2 (ja) | 2014-10-29 |
| EP2876666B1 (en) | 2021-10-27 |
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