KR100405146B1 - 구조화된 금속 산화물 함유 층의 제조 방법 - Google Patents
구조화된 금속 산화물 함유 층의 제조 방법 Download PDFInfo
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- KR100405146B1 KR100405146B1 KR10-2000-0083627A KR20000083627A KR100405146B1 KR 100405146 B1 KR100405146 B1 KR 100405146B1 KR 20000083627 A KR20000083627 A KR 20000083627A KR 100405146 B1 KR100405146 B1 KR 100405146B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
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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
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
- H01L21/31122—Etching inorganic layers by chemical means by dry-etching of layers not containing Si, e.g. PZT, Al2O3
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
-
- 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
- H10D1/692—Electrodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Semiconductor Memories (AREA)
- Formation Of Insulating Films (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (12)
- 구조화된 금속 산화물 함유 층(32)의 제조 방법에 있어서,- 기판을 준비하는 단계;- 상기 기판 위에 금속 산화물 함유 층(32)을 제공하는 단계;- 상기 금속 산화물 함유 층(32) 위에 부가의 층을 제공하는 단계;- 상기 금속 산화물 함유 층(32) 및 상기 부가의 층을 구조화하는 단계;- 상기 금속 산화물 함유 층(32)에 포함되지만 구조화로 인해 에지 섹션(32A)에서 부족한 양의 화학량론적 조성을 가진 적어도 하나의 원소를 함유하며, 금속 산화물 함유 층(32)을 적어도 에지 섹션(32A)에서 커버하는 큐어링 층(34)을 제공하는 단계;- 상기 원소가 큐어링 층(34)으로부터 금속 산화물 함유 층(32)의 에지 섹션(32A)의 손상된 영역 내로 확산되도록 열처리를 수행하는 단계를 포함하는 것을 특징으로 하는 방법.
- 삭제
- 제 1항에 있어서,- 상기 금속 산화물 함유 층(32)이 메모리 커패시터(3)의 유전체를 형성하고,- 상기 부가의 층이 메모리 커패시터(3)의 상부 전극(33)을 형성하며,- 상기 기판이 메모리 커패시터(3)의 하부 전극(31)으로 형성되는 것을 특징으로 하는 방법.
- 제 1항 또는 제 3항에 있어서,- 상기 큐어링 층(34)이 열처리 단계 후에 금속 산화물 함유 층(32) 및 선택적으로 부가의 층으로부터 제거되는 것을 특징으로 하는 방법.
- 제 1항 또는 제 3항에 있어서,- 상기 큐어링 층(34)이 열처리 단계 후에 금속 산화물 함유 층(32) 및 선택적으로 부가의 층으로부터 제거되지 않는 것을 특징으로 하는 방법.
- 제 1항 또는 제 3항에 있어서,- 상기 금속 산화물 함유 층(32)을 둘러싸는 층(31, 33)이 백금속, 즉 Pt, Pd, Ir, Rh, Ru 또는 Os, 또는 전도성 산화물로 형성되는 것을 특징으로 하는 방법.
- 제 1항 또는 제 3항에 있어서,상기 열처리 단계가 500 내지 800℃의 온도 범위에서, 5 내지 30분 동안 선택적으로 O2또는 N2분위기에서 수행되는 것을 특징으로 하는 방법.
- 제 1항 또는 제 3항에 있어서,- 상기 금속 산화물 함유 층(32)이 SrBi2(Ta, Nb)2O9(SBT 또는 SBTN)을 함유하고, 큐어링 층(34)으로부터 공급되는 원소가 비스무트(Bi)인 것을 특징으로 하는 방법.
- 제 8항에 있어서,- 상기 큐어링 층(34)이 하기 물질SBT, BiOX/SBT, SBT + BiOX, BiTiOX, BiTiOX/SBT, SBT/BiTiOx또는 BiOx중 하나 또는 다수를 함유하는 것을 특징으로 하는 방법.
- 제 1항 또는 제 3항에 있어서,- 상기 금속 산화물 함유 층(32)이 Pb (Zr, Ti)O3(PZT)를 함유하고 큐어링 층(34)으로부터 공급되는 원소가 납(Pb)인 것을 특징으로 하는 방법.
- 제 1항 또는 제 3항에 있어서,- 상기 금속 산화물 함유 층(32) 및/또는 큐어링 층(34)이 유기 금속 디포지션(MOD), 유기 금속 기상 증착(MOCVD) 또는 스퍼터링 공정에 의해 디포짓되는 것을 특징으로 하는 방법.
- 반도체 소자, 특히 DRAM 메모리 셀의 제조 방법에 있어서,- 반도체 기판(1) 상에 스위칭 트랜지스터(2)가 형성되는 단계,- 상기 스위칭 트랜지스터(2) 상에 제 1 절연층(4)이 제공되는 단계, 및- 상기 절연층(4) 상에 메모리 커패시터(3)가 형성되는 단계를 포함하며, 상기 메모리 커패시터의 유전체가 제 1항 또는 제 3항에 따라 금속 산화물 함유 층(32)의 제공 및 구조화에 의해 형성되는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19963500.5 | 1999-12-28 | ||
DE19963500A DE19963500C2 (de) | 1999-12-28 | 1999-12-28 | Verfahren zum Herstellen einer strukturierten metalloxidhaltigen Schicht, insbesondere einer ferroelektrischen oder paraelektrischen Schicht |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010062806A KR20010062806A (ko) | 2001-07-07 |
KR100405146B1 true KR100405146B1 (ko) | 2003-11-10 |
Family
ID=7934827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0083627A Expired - Fee Related KR100405146B1 (ko) | 1999-12-28 | 2000-12-28 | 구조화된 금속 산화물 함유 층의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6503792B2 (ko) |
EP (1) | EP1113488A3 (ko) |
JP (1) | JP3638518B2 (ko) |
KR (1) | KR100405146B1 (ko) |
CN (1) | CN1156905C (ko) |
DE (1) | DE19963500C2 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100382719B1 (ko) * | 2000-08-25 | 2003-05-09 | 삼성전자주식회사 | 강유전체 커패시터를 포함하는 반도체 장치 및 그 제조방법 |
US20040259316A1 (en) * | 2001-12-05 | 2004-12-23 | Baki Acikel | Fabrication of parallel plate capacitors using BST thin films |
JP3921401B2 (ja) | 2002-03-15 | 2007-05-30 | 松下電器産業株式会社 | 容量素子の製造方法 |
US6573587B1 (en) * | 2002-05-28 | 2003-06-03 | Oki Electric Industry Co., Ltd. | Metal oxide capacitor with hydrogen diffusion blocking covering |
JP4663216B2 (ja) * | 2003-06-10 | 2011-04-06 | ルネサスエレクトロニクス株式会社 | 半導体記憶装置およびその製造方法 |
US7495886B2 (en) * | 2005-07-27 | 2009-02-24 | Agile Rf, Inc. | Dampening of electric field-induced resonance in parallel plate capacitors |
US20070024393A1 (en) * | 2005-07-27 | 2007-02-01 | Forse Roger J | Tunable notch duplexer |
US7304339B2 (en) * | 2005-09-22 | 2007-12-04 | Agile Rf, Inc. | Passivation structure for ferroelectric thin-film devices |
US7728377B2 (en) * | 2005-09-23 | 2010-06-01 | Agile Rf, Inc. | Varactor design using area to perimeter ratio for improved tuning range |
US7675388B2 (en) * | 2006-03-07 | 2010-03-09 | Agile Rf, Inc. | Switchable tunable acoustic resonator using BST material |
KR102801928B1 (ko) | 2020-07-13 | 2025-04-28 | 삼성전자주식회사 | 반도체 장치 및 이의 제조 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980082909A (ko) * | 1997-05-09 | 1998-12-05 | 김영환 | 다층 구조를 이용한 강유전체 캐패시터 및 그 제조 방법 |
KR19990057820A (ko) * | 1997-12-30 | 1999-07-15 | 김영환 | 캐패시터의 강유전체 박막 형성방법 |
KR19990057818A (ko) * | 1997-12-30 | 1999-07-15 | 김영환 | 유전손실을 감소시킨 강유전체 캐패시터 제조방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1589907A1 (de) * | 1966-11-23 | 1970-05-14 | Hiradastechnikai Ipari Ki | Selbstheilender elektrischer Duennschichtkondensator sowie Verfahren zur Herstellung desselben |
US5434102A (en) * | 1991-02-25 | 1995-07-18 | Symetrix Corporation | Process for fabricating layered superlattice materials and making electronic devices including same |
US5612082A (en) * | 1991-12-13 | 1997-03-18 | Symetrix Corporation | Process for making metal oxides |
US5624707A (en) * | 1991-12-13 | 1997-04-29 | Symetrix Corporation | Method of forming ABO3 films with excess B-site modifiers |
US5719416A (en) * | 1991-12-13 | 1998-02-17 | Symetrix Corporation | Integrated circuit with layered superlattice material compound |
TW345723B (en) * | 1996-07-09 | 1998-11-21 | Hitachi Ltd | Semiconductor memory and process for producing the same |
WO1998005071A1 (en) * | 1996-07-26 | 1998-02-05 | Symetrix Corporation | Method of fabricating an integrated circuit using self-patterned thin films |
JPH10313097A (ja) * | 1997-05-13 | 1998-11-24 | Sharp Corp | 強誘電体薄膜、製造方法及び強誘電体薄膜を含んでなる素子 |
DE19851280A1 (de) * | 1998-11-06 | 2000-05-11 | Siemens Ag | Verfahren zum Herstellen einer strukturierten metalloxidhaltigen Schicht |
-
1999
- 1999-12-28 DE DE19963500A patent/DE19963500C2/de not_active Expired - Fee Related
-
2000
- 2000-12-22 EP EP00128275A patent/EP1113488A3/de not_active Ceased
- 2000-12-25 JP JP2000393554A patent/JP3638518B2/ja not_active Expired - Fee Related
- 2000-12-27 CN CNB001375113A patent/CN1156905C/zh not_active Expired - Fee Related
- 2000-12-28 KR KR10-2000-0083627A patent/KR100405146B1/ko not_active Expired - Fee Related
- 2000-12-28 US US09/750,531 patent/US6503792B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980082909A (ko) * | 1997-05-09 | 1998-12-05 | 김영환 | 다층 구조를 이용한 강유전체 캐패시터 및 그 제조 방법 |
KR19990057820A (ko) * | 1997-12-30 | 1999-07-15 | 김영환 | 캐패시터의 강유전체 박막 형성방법 |
KR19990057818A (ko) * | 1997-12-30 | 1999-07-15 | 김영환 | 유전손실을 감소시킨 강유전체 캐패시터 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
US6503792B2 (en) | 2003-01-07 |
EP1113488A2 (de) | 2001-07-04 |
US20010044160A1 (en) | 2001-11-22 |
EP1113488A3 (de) | 2003-05-21 |
KR20010062806A (ko) | 2001-07-07 |
CN1316774A (zh) | 2001-10-10 |
JP3638518B2 (ja) | 2005-04-13 |
DE19963500C2 (de) | 2002-10-02 |
DE19963500A1 (de) | 2001-07-26 |
CN1156905C (zh) | 2004-07-07 |
JP2001237402A (ja) | 2001-08-31 |
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