KR100486294B1 - 게이트 패턴을 갖는 반도체소자의 제조방법 - Google Patents
게이트 패턴을 갖는 반도체소자의 제조방법 Download PDFInfo
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- KR100486294B1 KR100486294B1 KR10-2002-0087238A KR20020087238A KR100486294B1 KR 100486294 B1 KR100486294 B1 KR 100486294B1 KR 20020087238 A KR20020087238 A KR 20020087238A KR 100486294 B1 KR100486294 B1 KR 100486294B1
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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
- H01L21/04—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
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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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28176—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation with a treatment, e.g. annealing, after the formation of the definitive gate conductor
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
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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
- H10D64/01—Manufacture or treatment
- H10D64/021—Manufacture or treatment using multiple gate spacer layers, e.g. bilayered sidewall spacers
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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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
-
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28202—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a nitrogen-containing ambient, e.g. nitride deposition, growth, oxynitridation, NH3 nitridation, N2O oxidation, thermal nitridation, RTN, plasma nitridation, RPN
-
- 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
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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
- H10D64/691—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 comprising metallic compounds, e.g. metal oxides or metal silicates
-
- 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
- H10D64/693—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 the insulator comprising nitrogen, e.g. nitrides, oxynitrides or nitrogen-doped materials
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (17)
- 반도체기판상에 게이트 절연층을 형성하는 단계;상기 게이트 절연층이 형성된 반도체기판상에 게이트 도전층을 증착하는 단계;상기 게이트 도전층을 식각하여 게이트 패턴을 형성하는 단계;상기 게이트 절연층이 노출되지 않도록 상기 게이트 패턴상에 버퍼층을 형성하는 단계;상기 게이트 패턴을 형성하기 위한 식각시 발생한 데미지를 큐어링하는 단계; 및상기 게이트 패턴을 이온주입 마스크로 하여 상기 반도체기판내에 불순물 이온을 주입하여 소오스/드레인영역을 형성하는 단계를 포함하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 데미지를 큐어링하는 단계는 상기 게이트 패턴이 형성된 반도체기판에 대하여 산소 어닐링(O2 annealing) 공정을 수행하는 것임을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 데미지를 큐어링하는 단계는 상기 게이트 패턴이 형성된 반도체기판에 대하여 재산화(reoxidation) 공정을 수행하는 것임을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 절연층은 실리콘옥사이드(SiO2), 실리콘옥시나이트라이드(SiON), 실리콘나이트라이드(SiN), 금속산화물, 금속실리케이트로 이루어진 절연성 물질층들 중에서 적어도 한 층이상 포함되는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 삭제
- 제 1 항에 있어서, 상기 게이트 패턴은 폴리실리콘층을 포함하는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 패턴의 최상층은 절연성의 마스크층임을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 패턴을 형성하는 단계에서, 상기 게이트 패턴 주변의 상기 반도체기판의 표면이 노출되도록 상기 게이트 절연층을 식각하는 단계를 더 포함하는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 패턴을 형성하는 단계에서, 상기 게이트 패턴 주변의 상기 반도체기판의 표면이 노출되지 않도록 상기 게이트 절연층의 적어도 일부를 잔류시키는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 버퍼층은 실리콘옥사이드, 실리콘나이트라이드, 실리콘옥시나이트라이드 중에서 적어도 하나 이상을 사용하여 형성하는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 버퍼층은 1 내지 2000 Å의 두께로 형성하는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 버퍼층은 상기 게이트 패턴을 포함한 반도체기판의 전면상에 형성하는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 버퍼층은 상기 게이트 패턴의 측벽상에만 스페이서 형태로 형성하는 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 버퍼층은 상기 게이트 패턴을 포함한 반도체기판의 전면상에 형성된 제1 버퍼층 및 상기 제1 버퍼층상에 형성된 제2 버퍼층인 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 1 항에 있어서, 상기 버퍼층은 상기 게이트 패턴을 포함한 반도체기판의 전면상에 형성된 제1 버퍼층 및 상기 제1 버퍼층상에서 상기 게이트 패턴의 측벽에 스페이서 형태로 형성된 제2 버퍼층인 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 제 13 항 또는 제 14 항에 있어서, 상기 제1 버퍼층은 실리콘옥사이드층이며, 상기 제2 버퍼층은 실리콘나이트라이드층인 것을 특징으로 하는 게이트 패턴을 갖는 반도체소자의 제조방법.
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0087238A KR100486294B1 (ko) | 2002-12-30 | 2002-12-30 | 게이트 패턴을 갖는 반도체소자의 제조방법 |
US10/747,495 US20040185608A1 (en) | 2002-12-30 | 2003-12-29 | Methods of forming integrated circuit devices using buffer layers covering conductive/insulating interfaces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0087238A KR100486294B1 (ko) | 2002-12-30 | 2002-12-30 | 게이트 패턴을 갖는 반도체소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040060441A KR20040060441A (ko) | 2004-07-06 |
KR100486294B1 true KR100486294B1 (ko) | 2005-04-29 |
Family
ID=32985716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2002-0087238A Expired - Fee Related KR100486294B1 (ko) | 2002-12-30 | 2002-12-30 | 게이트 패턴을 갖는 반도체소자의 제조방법 |
Country Status (2)
Country | Link |
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US (1) | US20040185608A1 (ko) |
KR (1) | KR100486294B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7161203B2 (en) * | 2004-06-04 | 2007-01-09 | Micron Technology, Inc. | Gated field effect device comprising gate dielectric having different K regions |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3684849B2 (ja) * | 1997-06-17 | 2005-08-17 | セイコーエプソン株式会社 | Mis型電界効果トランジスタを含む半導体装置及びその製造方法 |
US5994747A (en) * | 1998-02-13 | 1999-11-30 | Texas Instruments-Acer Incorporated | MOSFETs with recessed self-aligned silicide gradual S/D junction |
KR100268409B1 (ko) * | 1998-05-20 | 2000-10-16 | 윤종용 | 반도체 장치의 제조 방법 |
KR100291512B1 (ko) * | 1998-11-26 | 2001-11-05 | 박종섭 | 반도체 소자의 게이트 전극 형성방법 |
JP2002164447A (ja) * | 2000-11-28 | 2002-06-07 | Sharp Corp | 不揮発性半導体メモリの製造方法 |
JP4895430B2 (ja) * | 2001-03-22 | 2012-03-14 | ルネサスエレクトロニクス株式会社 | 半導体装置及び半導体装置の製造方法 |
US6509612B2 (en) * | 2001-05-04 | 2003-01-21 | International Business Machines Corporation | High dielectric constant materials as gate dielectrics (insulators) |
-
2002
- 2002-12-30 KR KR10-2002-0087238A patent/KR100486294B1/ko not_active Expired - Fee Related
-
2003
- 2003-12-29 US US10/747,495 patent/US20040185608A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20040185608A1 (en) | 2004-09-23 |
KR20040060441A (ko) | 2004-07-06 |
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