KR100942960B1 - 리닝 방지를 위한 반도체소자 및 그 제조 방법 - Google Patents
리닝 방지를 위한 반도체소자 및 그 제조 방법 Download PDFInfo
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- KR100942960B1 KR100942960B1 KR1020070111182A KR20070111182A KR100942960B1 KR 100942960 B1 KR100942960 B1 KR 100942960B1 KR 1020070111182 A KR1020070111182 A KR 1020070111182A KR 20070111182 A KR20070111182 A KR 20070111182A KR 100942960 B1 KR100942960 B1 KR 100942960B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
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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
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/664—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a barrier layer between the layer of silicon and an upper metal or metal silicide layer
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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
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28061—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a metal or metal silicide formed by deposition, e.g. sputter deposition, i.e. without a silicidation reaction
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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
- H01L21/28247—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon passivation or protection of the electrode, e.g. using re-oxidation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
실험조건 | 플라즈마산화 적용 | 플라즈마산화 생략 | ||
리닝유무 | O | X | O | X |
53.1 | 53.6 | 53.2 | 52.5 | |
52.1 | 53.5 | 54.3 | 50.7 | |
52.1 | 51.7 | 51.9 | 52.6 | |
52.6 | 51.0 | 53.7 | 51.4 | |
50.6 | 50.4 | 49.5 | 52.6 | |
51.7 | 50.4 | 51.3 | 52.7 | |
52.7 | 51.0 | |||
평균(nm) | 52.0 | 52.0 | 52.4 | 51.4 |
L-NL 차이 | 0.1 | 1.0 | ||
L은 Leaning, NL은 No leaning |
Claims (24)
- 텅스텐막을 포함하는 적층막을 형성하는 단계;상기 적층막 상에 하드마스크막패턴을 형성하는 단계;상기 하드마스크막패턴의 표면을 산화시켜 응력완충막을 형성하는 단계;상기 적층막의 일부를 식각하는 단계;상기 일부 식각된 적층막을 포함한 전면에 캡핑막을 형성하는 단계; 및상기 적층막의 나머지를 식각하는 단계를 포함하는 반도체소자 제조 방법.
- 제1항에 있어서,상기 응력완충막은,상기 텅스텐막의 산화가 억제되는 선택적 산화를 통해 형성하는 반도체소자 제조 방법.
- 제2항에 있어서,상기 선택적산화는,H2O와 H2의 혼합 분위기와 600∼800℃의 온도에서 진행하는 반도체소자 제조 방법.
- 제2항에 있어서,상기 선택적산화는,플라즈마산화를 포함하는 반도체소자 제조 방법.
- 제4항에 있어서,상기 플라즈마산화는,산소 플라즈마(O2 plasma)분위기 및 200∼600℃의 온도에 진행하는 반도체소자 제조 방법.
- 제1항에 있어서,상기 하드마스크막패턴과 캡핑막은 실리콘질화막을 포함하는 반도체소자 제조 방법.
- 제1항에 있어서,상기 적층막과 하드마스크막패턴은 게이트라인, 비트라인 또는 금속배선이 되는 반도체소자 제조 방법.
- 텅스텐막을 포함하는 적층막을 형성하는 단계;상기 적층막 상에 하드마스크막을 형성하는 단계;상기 하드마스크막을 일부 식각하여 하드마스크막패턴을 형성하는 단계;상기 하드마스크막패턴 상에 응력완충막을 형성하는 단계;상기 적층막의 일부를 식각하는 단계;상기 일부 식각된 적층막을 포함한 전면에 캡핑막을 형성하는 단계; 및상기 적층막의 나머지를 식각하는 단계를 포함하는 반도체소자 제조 방법.
- 제8항에 있어서,상기 응력완충막은, 산화막을 포함하는 반도체소자 제조 방법.
- 제9항에 있어서,상기 산화막은,원자층증착법(ALD)으로 형성하는 반도체소자 제조 방법.
- 제8항에 있어서,상기 하드마스크막패턴과 캡핑막은 질화막을 포함하는 반도체소자 제조 방법.
- 제8항에 있어서,상기 적층막과 하드마스크막패턴은 게이트라인, 비트라인 또는 금속배선이 되는 반도체소자 제조 방법.
- 텅스텐막을 포함하는 적층막을 형성하는 단계;상기 적층막 상에 하드마스크막을 형성하는 단계;상기 하드마스크막을 식각하여 하드마스크막패턴을 형성하는 단계;상기 하드마스크막패턴에 대해 열처리를 진행하는 단계;상기 적층막의 일부를 식각하는 단계;상기 일부 식각된 적층막을 포함한 전면에 캡핑막을 형성하는 단계; 및상기 적층막의 나머지를 식각하는 단계를 포함하는 반도체소자 제조 방법.
- 제13항에 있어서,상기 열처리는,H2 분위기 또는 진공 상태에서 진행하는 반도체소자 제조 방법.
- 제13항에 있어서,상기 하드마스크막 식각시 상기 적층막 위에서 일정 두께가 남도록 식각한 후에 상기 열처리를 진행하는 반도체소자 제조 방법.
- 제15항에 있어서,상기 열처리는,800∼1000℃ 온도에서 진행하는 반도체소자 제조 방법.
- 제13항에 있어서,상기 열처리는,퍼니스에서 진행하거나 또는 급속열처리를 적용하는 반도체소자 제조 방법.
- 제13항에 있어서,상기 하드마스크막패턴과 캡핑막은 질화막을 포함하는 반도체소자 제조 방법.
- 제13항에 있어서,상기 적층막과 하드마스크막패턴은 게이트라인, 비트라인 또는 금속배선이 되는 반도체소자 제조 방법.
- 텅스텐막을 포함하는 도전막과 상기 도전막 상에 형성된 하드마스크막패턴을 포함하는 게이트패턴;상기 게이트패턴의 측벽을 덮는 캡핑막; 및상기 캡핑막과 하드마스크막패턴 사이에 구비된 응력완충막을 포함하는 반도체소자.
- 제20항에 있어서,상기 캡핑막과 하드마스크막패턴은 질화막이고, 상기 응력완충막은 산화막을 포함하는 반도체소자.
- 제20항에 있어서,상기 캡핑막과 하드마스크막패턴은 질화막이고, 상기 응력완충막은 질화막을 산화시킨 산화막을 포함하는 반도체소자.
- 제20항에 있어서,상기 도전막은 폴리실리콘막, 배리어막 및 상기 텅스텐막의 순서로 적층되는반도체소자.
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070111182A KR100942960B1 (ko) | 2007-11-01 | 2007-11-01 | 리닝 방지를 위한 반도체소자 및 그 제조 방법 |
US11/966,435 US8021969B2 (en) | 2007-11-01 | 2007-12-28 | Semiconductor device and method for fabricating the same |
US13/237,743 US8227920B2 (en) | 2007-11-01 | 2011-09-20 | Semiconductor device and method for fabricating the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070111182A KR100942960B1 (ko) | 2007-11-01 | 2007-11-01 | 리닝 방지를 위한 반도체소자 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20090044899A KR20090044899A (ko) | 2009-05-07 |
KR100942960B1 true KR100942960B1 (ko) | 2010-02-17 |
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KR1020070111182A Expired - Fee Related KR100942960B1 (ko) | 2007-11-01 | 2007-11-01 | 리닝 방지를 위한 반도체소자 및 그 제조 방법 |
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US (2) | US8021969B2 (ko) |
KR (1) | KR100942960B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102054819B1 (ko) | 2013-05-22 | 2019-12-11 | 삼성전자주식회사 | 반도체 소자 및 그 제조 방법 |
US11101183B2 (en) | 2018-07-17 | 2021-08-24 | Varian Semiconductor Equipment Associates, Inc. | Gate spacer formation for scaled CMOS devices |
KR20230006737A (ko) * | 2021-07-02 | 2023-01-11 | 에스케이하이닉스 주식회사 | 마스크 패턴을 사용하는 메모리 장치의 제조 방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20050065148A (ko) * | 2003-12-24 | 2005-06-29 | 주식회사 하이닉스반도체 | 게이트 스페이서 형성 방법 |
JP2006005152A (ja) * | 2004-06-17 | 2006-01-05 | Seiko Epson Corp | 強誘電体キャパシタ、強誘電体キャパシタの製造方法および強誘電体メモリの製造方法 |
JP2006332594A (ja) | 2005-04-27 | 2006-12-07 | Toshiba Corp | 強誘電体記憶装置及びその製造方法 |
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US6803624B2 (en) * | 2002-07-03 | 2004-10-12 | Micron Technology, Inc. | Programmable memory devices supported by semiconductive substrates |
KR100596893B1 (ko) * | 2004-06-02 | 2006-07-04 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트 전극 형성 방법 |
KR100914542B1 (ko) * | 2005-02-01 | 2009-09-02 | 도쿄엘렉트론가부시키가이샤 | 반도체 장치의 제조 방법, 플라즈마 산화 처리 방법, 플라즈마 처리 장치 및 이 플라즈마 처리 장치를 제어하는 컴퓨터 판독 가능한 기억 매체 |
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2007
- 2007-11-01 KR KR1020070111182A patent/KR100942960B1/ko not_active Expired - Fee Related
- 2007-12-28 US US11/966,435 patent/US8021969B2/en not_active Expired - Fee Related
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2011
- 2011-09-20 US US13/237,743 patent/US8227920B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050065148A (ko) * | 2003-12-24 | 2005-06-29 | 주식회사 하이닉스반도체 | 게이트 스페이서 형성 방법 |
JP2006005152A (ja) * | 2004-06-17 | 2006-01-05 | Seiko Epson Corp | 強誘電体キャパシタ、強誘電体キャパシタの製造方法および強誘電体メモリの製造方法 |
JP2006332594A (ja) | 2005-04-27 | 2006-12-07 | Toshiba Corp | 強誘電体記憶装置及びその製造方法 |
Also Published As
Publication number | Publication date |
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KR20090044899A (ko) | 2009-05-07 |
US20090115003A1 (en) | 2009-05-07 |
US20120007246A1 (en) | 2012-01-12 |
US8227920B2 (en) | 2012-07-24 |
US8021969B2 (en) | 2011-09-20 |
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