KR970077672A - 증대된 유전 특성을 갖는 산화 탄탈 박막 층의 제조 방법 및 그 층을 사용하는 커패시터 - Google Patents
증대된 유전 특성을 갖는 산화 탄탈 박막 층의 제조 방법 및 그 층을 사용하는 커패시터 Download PDFInfo
- Publication number
- KR970077672A KR970077672A KR1019970018889A KR19970018889A KR970077672A KR 970077672 A KR970077672 A KR 970077672A KR 1019970018889 A KR1019970018889 A KR 1019970018889A KR 19970018889 A KR19970018889 A KR 19970018889A KR 970077672 A KR970077672 A KR 970077672A
- Authority
- KR
- South Korea
- Prior art keywords
- substrate
- layer
- target
- oxygen
- tantalum oxide
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6329—Deposition from the gas or vapour phase using physical ablation of a target, e.g. physical vapour deposition or pulsed laser deposition
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6938—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides
- H10P14/6939—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides characterised by the metal
- H10P14/69393—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides characterised by the metal the material containing tantalum, e.g. Ta2O5
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (17)
- 산화 탄탈 및 탄탈을 포함하는 스퍼터링 타겟과 기판을 제공하는 단계; 불활성 기체와 산소(상기 산소는 적어도 2㎛Hg의 분압을 갖는다)의 혼합물을 포함하는 낮은 압력의 대기에 상기 타겟과 상기 기판을 배치하는 단계; 상기 기판을 450℃ 이상의 온도로 가열하는 단계; 및 상기 기판위에 상기 타겟으로부터의 물질을 스퍼터링하기 위해 상기 타겟에 이온을 폭발시키므로써 상기 기판상에 60 이상의 유전 상수를 갖는 결정상의 산화 탄탈을 포함하는 층을 형성하는 단계를 포함하는 증대된 유전 특성을 갖는 산화 탄탈을 포함하는 층을 성장시키는 방법.
- 제1항에 있어서, 상기 기판이 실리콘을 포함하는 방법.
- 제1항에 있어서, 상기 기판이 전도성 층을 위에 갖는 실리콘 기판을 포함하는 방법.
- 제1항에 있어서, 상기 저압 대기가 15 내지 25㎛Hg 범위의 총 압력에서 불활성 기체와 산소의 혼합물을 포함하는 방법.
- 제1항에 있어서, 상기 저압 대기가 4 : 1 이하의 비율의 분압을 갖는, 불활성 기체와 산소의 혼합물을 포함하는 방법.
- 제1항에 있어서, 상기 기판을 550℃보다 높은 온도로 가열하는 방법.
- 제1항에 있어서, 상기 타겟이 산화 탄탈과 산화 티탄의 혼합물을 포함하는 방법.
- 산화 탄탈 또는 탄탈을 포함하는 스퍼터링 타겟과 표면위에 제1전도성 전극을 갖는 실리콘을 포함하는 기판을 제공하는 단계; 불활성 기체와 산소(상기 산소는 적어도 2㎛Hg의 분압을 갖는다)의 혼합물을 포함하는 낮은 압력의 대기에 상기 타겟과 상기 기판을 배치하는 단계; 상기 기판을 450℃ 이상의 온도로 가열하는 단계; 상기 기판위의 금속 전극위에 상기 타겟으로부터의 물질을 스퍼터링하기 위해 상기 타겟에 이온을 폭박시키므로써 상기 기판상에 60 이상의 유전 상수를 갖는 결정상의 산화 탄탈을 포함하는 층을 형성하는 단계; 및 상기 유전층위에 제2전극을 형성하는 단계를 포함하는 박막 커패시터의 제조 방법.
- 제8항에 있어서, 상기 저압 대기가 15 내지 25㎛Hg 범위의 총 기체압력에서 불활성 기체와 산소의 혼합물을 포함하는 방법.
- 제8항에 있어서, 상기 저압 대기가 4 : 1 이하의 비율의 분압을 갖는, 불활성 기체와 산소의 혼합물을 포함하는 방법.
- 제8항에 있어서, 상기 기판을 550℃보다 높은 온도로 가열하는 방법.
- 제8항에 있어서, 상기 타겟이 산화 탄탈과 산화 티탄의 혼합물을 포함하는 방법.
- 제8항에 있어서, 상기 제1전극이 백금 층을 포함하는 방법.
- 제8항에 있어서, 상기 제1전극이 상기 실리콘상의 탄탈 층과 상기 탄탈상의 백금 층을 포함하는 방법.
- 제8항에 있어서, 상기 제1전극이 TiN 층을 포함하는 방법.
- 제8항에 있어서, 상기 제1전극이 Pt 또는 Al을 포함하는 방법.
- 제8항 내지 제15항 중 어느 한 항의 방법으로 제조한 커패시터.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/649,369 US5948216A (en) | 1996-05-17 | 1996-05-17 | Method for making thin film tantalum oxide layers with enhanced dielectric properties and capacitors employing such layers |
| US08/649,369 | 1996-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970077672A true KR970077672A (ko) | 1997-12-12 |
| KR100296156B1 KR100296156B1 (ko) | 2001-10-24 |
Family
ID=24604498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970018889A Expired - Fee Related KR100296156B1 (ko) | 1996-05-17 | 1997-05-16 | 증대된유전특성을갖는산화탄탈박막층의제조방법및그층을사용하는커패시터 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5948216A (ko) |
| JP (1) | JPH1093051A (ko) |
| KR (1) | KR100296156B1 (ko) |
| TW (1) | TW328159B (ko) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6323055B1 (en) | 1998-05-27 | 2001-11-27 | The Alta Group, Inc. | Tantalum sputtering target and method of manufacture |
| US6218300B1 (en) * | 1998-06-12 | 2001-04-17 | Applied Materials, Inc. | Method and apparatus for forming a titanium doped tantalum pentaoxide dielectric layer using CVD |
| FR2797999B1 (fr) * | 1999-08-31 | 2003-08-08 | St Microelectronics Sa | Procede de fabrication d'une capacite integree sur un substrat de silicium |
| KR100373163B1 (ko) * | 1999-12-27 | 2003-02-25 | 주식회사 하이닉스반도체 | 반도체 소자의 캐패시터 제조방법 |
| US6261917B1 (en) | 2000-05-09 | 2001-07-17 | Chartered Semiconductor Manufacturing Ltd. | High-K MOM capacitor |
| JP3624822B2 (ja) | 2000-11-22 | 2005-03-02 | 株式会社日立製作所 | 半導体装置およびその製造方法 |
| US6677254B2 (en) | 2001-07-23 | 2004-01-13 | Applied Materials, Inc. | Processes for making a barrier between a dielectric and a conductor and products produced therefrom |
| KR100425463B1 (ko) * | 2001-09-10 | 2004-03-30 | 삼성전자주식회사 | 산소를 함유하는 활성화된 기체 분위기에서의 탄탈륨산화막 형성 방법 및 유전막 형성 방법 |
| US7952853B2 (en) | 2004-04-27 | 2011-05-31 | Medtronic, Inc. | Capacitor electrolyte |
| US9548166B2 (en) | 2005-06-30 | 2017-01-17 | Medtronic, Inc. | Capacitor electrolyte |
| US8853819B2 (en) | 2011-01-07 | 2014-10-07 | Advanced Semiconductor Engineering, Inc. | Semiconductor structure with passive element network and manufacturing method thereof |
| CN114944453B (zh) * | 2022-04-20 | 2026-03-17 | 南京邮电大学 | 一种具有超高存储窗口的晶态TaOx阻变存储器及其制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395089A (en) * | 1964-12-14 | 1968-07-30 | Bell Telephone Labor Inc | Method of depositing films of controlled specific resistivity and temperature coefficient of resistance using cathode sputtering |
| US4038167A (en) * | 1976-02-09 | 1977-07-26 | Corning Glass Works | Method of forming a thin film capacitor |
| US5174926A (en) * | 1988-04-07 | 1992-12-29 | Sahagen Armen N | Compositions for piezoresistive and superconductive application |
| JP3155270B2 (ja) * | 1990-07-24 | 2001-04-09 | 株式会社半導体エネルギー研究所 | 金属酸化物絶縁膜の作製方法 |
| US5326721A (en) * | 1992-05-01 | 1994-07-05 | Texas Instruments Incorporated | Method of fabricating high-dielectric constant oxides on semiconductors using a GE buffer layer |
| US5367285A (en) * | 1993-02-26 | 1994-11-22 | Lake Shore Cryotronics, Inc. | Metal oxy-nitride resistance films and methods of making the same |
-
1996
- 1996-05-17 US US08/649,369 patent/US5948216A/en not_active Expired - Fee Related
-
1997
- 1997-05-16 JP JP9126139A patent/JPH1093051A/ja active Pending
- 1997-05-16 KR KR1019970018889A patent/KR100296156B1/ko not_active Expired - Fee Related
- 1997-05-24 TW TW086107025A patent/TW328159B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| KR100296156B1 (ko) | 2001-10-24 |
| TW328159B (en) | 1998-03-11 |
| US5948216A (en) | 1999-09-07 |
| JPH1093051A (ja) | 1998-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5221449A (en) | Method of making Alpha-Ta thin films | |
| US5281485A (en) | Structure and method of making Alpha-Ta in thin films | |
| US3819990A (en) | Thin-film capacitor and method for the fabrication thereof | |
| US4379040A (en) | Method of and apparatus for control of reactive sputtering deposition | |
| US4336119A (en) | Method of and apparatus for control of reactive sputtering deposition | |
| US4201649A (en) | Low resistance indium oxide coatings | |
| KR970077672A (ko) | 증대된 유전 특성을 갖는 산화 탄탈 박막 층의 제조 방법 및 그 층을 사용하는 커패시터 | |
| JPS58123771A (ja) | 半導体素子 | |
| JP4099252B2 (ja) | 基板上に金属酸化物層をスパッタ誘導により析出する方法及び光学作用層系 | |
| KR100298264B1 (ko) | 반도체장치및그제조방법 | |
| CN108796452A (zh) | 一种二氧化钒薄膜及其制备方法和应用 | |
| KR970067621A (ko) | 기판상에 (200)방향으로 우선 배향된 백금 박막을 형성하는 방법. 그 방법에 의하여 형성된 백금 박막을 구비한 기판 및 전자 소자 | |
| JPH01100260A (ja) | 透明導電性フイルム積層体の製造方法 | |
| JP2002324924A (ja) | 圧電素子の製造方法 | |
| JPS6130018A (ja) | 薄膜コンデンサおよびその製造方法 | |
| CN1226999A (zh) | 具有一种贵金属层的半导体装置及其制造方法 | |
| US3575833A (en) | Hafnium nitride film resistor | |
| KR950002061A (ko) | 산화탄탈륨 박막 형성방법 및 그 응용 | |
| KR920008038B1 (ko) | 실리콘 기판위의 PbTiO3 박막 제조방법 | |
| JPH0344007A (ja) | 薄膜抵抗体の製造方法 | |
| JPS6057959A (ja) | 薄膜コンデンサ | |
| JPH06264223A (ja) | 二酸化けい素膜の成膜方法 | |
| KR950006452A (ko) | 박막가스센서의 제조방법 | |
| JPS6012772B2 (ja) | チタンコンデンサの製造方法 | |
| KR910004067A (ko) | 박막 el표시소자 및 그 제조방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| AMND | Amendment | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
St.27 status event code: N-2-6-B10-B15-exm-PE0601 |
|
| J201 | Request for trial against refusal decision | ||
| PJ0201 | Trial against decision of rejection |
St.27 status event code: A-3-3-V10-V11-apl-PJ0201 |
|
| AMND | Amendment | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PB0901 | Examination by re-examination before a trial |
St.27 status event code: A-6-3-E10-E12-rex-PB0901 |
|
| B701 | Decision to grant | ||
| PB0701 | Decision of registration after re-examination before a trial |
St.27 status event code: A-3-4-F10-F13-rex-PB0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20040509 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20040509 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |