KR20010031913A - 유전체 소자와 그 제조 방법 - Google Patents
유전체 소자와 그 제조 방법 Download PDFInfo
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- KR20010031913A KR20010031913A KR1020007005015A KR20007005015A KR20010031913A KR 20010031913 A KR20010031913 A KR 20010031913A KR 1020007005015 A KR1020007005015 A KR 1020007005015A KR 20007005015 A KR20007005015 A KR 20007005015A KR 20010031913 A KR20010031913 A KR 20010031913A
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- H01G4/00—Fixed capacitors; Processes of their manufacture
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
- H01G4/1236—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02266—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by physical ablation of a target, e.g. sputtering, reactive sputtering, physical vapour deposition or pulsed laser deposition
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02345—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to radiation, e.g. visible light
- H01L21/02348—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to radiation, e.g. visible light treatment by exposure to UV light
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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
- H10D1/68—Capacitors having no potential barriers
- H10D1/682—Capacitors having no potential barriers having dielectrics comprising perovskite structures
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/689—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having ferroelectric layers
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Abstract
Description
Claims (19)
- 상부 전극과 유전체 박막과 하부 전극으로 이루어지는 유전체 소자에 있어서,유전체층에 저항 1O6Ω 이상의 절연 입자를 포함하는 것을 특징으로 하는 유전체 소자.
- 제1항에 있어서,상기 유전체 박막이, 강유전체 박막 및 고유전체 박막 중 적어도 1개를 포함하는 것을 특징으로 하는 유전체 소자.
- 제1항 또는 제2항에 있어서,상기 절연 입자가 입자 지름 50Å 이하인 것을 특징으로 하는 유전체 소자.
- 제2항에 기재된 강유전체 박막이 (Pb1-xAx)(Zr1-yTiy)03(단, A= La, Ba, Nb로 이루어지는 군으로부터 선택되는 1종), (AO)2+(By-1CyO3y+1)2-(단, A= Tl, Hg, Pb, Bi, 희토류 원소; B= Bi, Pb, Ca, Sr, Ba로 이루어지는 적어도 1종 이상; C= Ti, Nb, Ta, W, Mo, Fe, Co, Cr, Zr로 이루어지는 적어도 1종 이상; y=2, 3, 4, 5)으로 이루어지는 군으로부터 선택되는 1종인 것을 특징으로 하는 유전체 소자.
- 제2항에 기재된 고유전체 박막이, (Ba1-xSrx)TiO3, (Pb1-xAx)(Zr1-yTiy)O3(단, A= La, Ba, Nb으로 이루어지는 군으로부터 선택되는 1종)인 것을 특징으로 하는 유전체 소자.
- 제1항에 기재된 절연 입자가 Si 원소를 함유하는 화합물인 것을 특징으로 하는 유전체 소자.
- 제1항에 기재된 하부 전극이, 기초 기판 상에 금속, 단일 원소의 도전성 산화물, 페로브스카이트(perovskite) 구조의 도전성 산화물의 순서로 구성되어 있고, 또한 상기 도전성 산화물이 특정한 면에서 배향하고 있는 것을 특징으로 하는 유전체 소자.
- 제2항에 있어서,상부 전극이, 상기 강유전체 박막 또는 고유전체 박막과 접하는 측으로부터 페로브스카이트 구조의 도전성 산화물, 금속 또는 페로브스카이트 구조의 도전성 산화물, 단일 원소로 이루어지는 도전성 산화물, 금속의 순으로 구성되어 있는 것을 특징으로 하는 유전체 소자.
- 제4항에 있어서,막 두께가 200Å 이상의 강유전체 박막을 가지며, 누설 전류 밀도가 10-5A/㎠ 이하에서 내압이 2V 이상인 것을 특징으로 하는 유전체 소자.
- 제5항에 있어서,막 두께가 200Å 이상의 고유전체 박막을 가지며, 누설 전류도도가 10-5A/㎠ 이하에서 내압이 2V 이상인 것을 특징으로 하는 유전체 소자.
- 제7항 또는 제8항에 있어서,금속이, Pt, Au, Al, Ni, Cr, Ti, Mo, W 중 적어도 1종의 금속인 것을 특징으로 하는 유전체 소자.
- 제7항 또는 제8항에 있어서,단일 원소로 이루어지는 도전성 산화물이 Ti, V, Eu, Cr, Mo, W, Ph, Os, Ir, Pt, Re, Ru, Sn 중 적어도 1종의 산화물이며, 저항율이 1mΩ·cm 이하인 것을 특징으로 하는 유전체 소자.
- 제7항 또는 제8항에 있어서,페로브스카이트 구조의 도전성 산화물이 ReO3, SrReO3, BaReO3, LaTiO3, SrVO3, GaCrO3, SrCrO3, SrFeO3, La1-xSrxCoO3(O〈x〈O.5), LaNiO3, CaRuO3, SrRuO3, SrTiO3, BaPbO3중 적어도 1종의 페로브스카이트이고, 또한 저항율이 1mΩ·cm 이하인 것을 특징으로 하는 유전체 소자.
- 유전체 박막의 형성 방법에 있어서,스퍼터링법에 의해 분위기가 산소와 불활성 가스의 혼합 가스로, 형성 온도가 650℃ 이하에서 유전체 박막을 형성하는 것을 특징으로 하는 유전체 박막의 형성 방법.
- 유전체 박막의 형성 방법에 있어서,MOCVD법에 의해 분위기를 산소 또는 여기한 산소로, 형성 온도가 650℃ 이하에서 유전체 박막을 형성하는 것을 특징으로 하는 유전체 박막의 형성 방법.
- 강유전체 박막 또는 고유전체 박막의 형성 방법에 있어서,금속 알콕시드 또는 유기산염을 출발 원료로 한 스핀 코팅법에 의해 상압으로, 형성 온도가 650℃ 이하에서 강유전체 박막 또는 고유전체 박막을 형성하는 것을 특징으로 하는 강유전체 박막 또는 고유전체 박막의 형성 방법.
- 강유전체 박막 또는 고유전체 박막의 형성 방법에 있어서,금속 알콕시드 또는 유기산염을 출발 원료로 한 딥-코팅법(dip-coating)에 의해 상압으로, 형성 온도가 650℃ 이하에서 강유전체 박막 또는 고유전체 박막을 형성하는 것을 특징으로 하는 강유전체 박막 또는 고유전체 박막의 형성 방법.
- 제16항 또는 제17항에 있어서,금속 알콕시드 또는 유기산염을 출발 원료로 한 스핀 코팅법, 또는 딥-코팅법에 의한 강유매체 박막 또는 고유전체 박막의 형성 방법에 있어서,자외 영역의 광을 조사하면서 강유전체 박막 또는 고유전체 박막을 형성하는 것을 특징으로 하는 강유전체 박막 또는 고유전체 박막의 형성 방법.
- 제1항에 기재된 유전체 소자가 전계 효과형 트랜지스터의 구조의 캐패시터로서 형성되어 있는 것을 특징으로 하는 반도체 장치.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP1997/004085 WO1999025014A1 (fr) | 1997-11-10 | 1997-11-10 | Element dielectrique et mode de fabrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20010031913A true KR20010031913A (ko) | 2001-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020007005015A Ceased KR20010031913A (ko) | 1997-11-10 | 1997-11-10 | 유전체 소자와 그 제조 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6777248B1 (ko) |
| EP (1) | EP1039525A4 (ko) |
| KR (1) | KR20010031913A (ko) |
| WO (1) | WO1999025014A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100810858B1 (ko) * | 2002-10-24 | 2008-03-06 | 세이코 엡슨 가부시키가이샤 | 강유전체막, 강유전체 메모리 장치, 압전 소자, 반도체 소자, 압전 액츄에이터, 액체 분사 헤드, 및 프린터 |
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| JP2002208678A (ja) * | 2001-01-11 | 2002-07-26 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JP3939250B2 (ja) * | 2001-05-10 | 2007-07-04 | シメトリックス・コーポレーション | 強誘電性複合材料、その製造方法、およびそれを用いたメモリ |
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| JP2004079675A (ja) * | 2002-08-13 | 2004-03-11 | Fujitsu Ltd | 半導体装置及びその製造方法 |
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| JP2010278319A (ja) * | 2009-05-29 | 2010-12-09 | Renesas Electronics Corp | 半導体装置およびその製造方法 |
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1997
- 1997-11-10 US US09/554,116 patent/US6777248B1/en not_active Expired - Fee Related
- 1997-11-10 WO PCT/JP1997/004085 patent/WO1999025014A1/ja not_active Ceased
- 1997-11-10 EP EP97911501A patent/EP1039525A4/en not_active Withdrawn
- 1997-11-10 KR KR1020007005015A patent/KR20010031913A/ko not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100810858B1 (ko) * | 2002-10-24 | 2008-03-06 | 세이코 엡슨 가부시키가이샤 | 강유전체막, 강유전체 메모리 장치, 압전 소자, 반도체 소자, 압전 액츄에이터, 액체 분사 헤드, 및 프린터 |
| US7371473B2 (en) | 2002-10-24 | 2008-05-13 | Seiko Epson Corporation | Ferroelectric film, ferroelectric capacitor, ferroelectric memory, piezoelectric element, semiconductor element, method of manufacturing ferroelectric film, and method of manufacturing ferroelectric capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999025014A1 (fr) | 1999-05-20 |
| US6777248B1 (en) | 2004-08-17 |
| EP1039525A1 (en) | 2000-09-27 |
| EP1039525A4 (en) | 2002-02-06 |
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