KR100316721B1 - 실리사이드막을 구비한 반도체소자의 제조방법 - Google Patents
실리사이드막을 구비한 반도체소자의 제조방법 Download PDFInfo
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- KR100316721B1 KR100316721B1 KR1020000004465A KR20000004465A KR100316721B1 KR 100316721 B1 KR100316721 B1 KR 100316721B1 KR 1020000004465 A KR1020000004465 A KR 1020000004465A KR 20000004465 A KR20000004465 A KR 20000004465A KR 100316721 B1 KR100316721 B1 KR 100316721B1
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Abstract
Description
Claims (18)
- 반도체기판상에 특정 하부막을 형성하는 단계;플라즈마 상태의 수소가스 및 불소계가스를 공급하여 상기 특정 하부막의 노출된 표면에 형성된 산화막과 화학적으로 반응시켜 반응층을 형성하는 단계 및 상기 반응층을 기화시켜 제거할 수 있도록 어닐링하는 단계를 구비하는 상기 특정 하부막의 노출된 표면을 제1차 세정하는 단계;상기 하부막상에 실리사이드막을 형성하는 단계; 및플라즈마 상태의 수소가스 및 불소계가스를 공급하여 상기 실리사이드막의 노출된 표면에 형성된 산화막과 화학적으로 반응시켜 반응층을 형성하는 단계 및 상기 반응층을 기화시켜 제거할 수 있도록 어닐링하는 단계를 구비하는 제2차 세정하는 단계를 구비하여 이루어지는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제1항에 있어서,상기 제1차 및 제2차 세정단계에서 반응층 형성단계와 어닐링 단계를 하나의 공정챔버 내에서 연속적으로 수행하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 실리콘기판상에 형성된 절연막의 일부를 식각하여 상기 실리콘기판의 일부를 노출시키는 콘택홀을 형성하는 단계;플라즈마 상태의 수소가스 및 불소계가스를 공급하여 상기 실리콘기판의 노출된 표면에 형성된 산화막과 화학적으로 반응시켜 반응층을 형성하는 단계 및 상기 반응층을 기화시켜 제거할 수 있도록 어닐링하는 단계를 구비하는 상기 실리콘기판의 노출된 표면을 제1차 세정하는 단계;상기 콘택홀 내의 노출된 실리콘기판 표면에 실리사이드막을 형성하는 단계;플라즈마 상태의 수소가스 및 불소계가스를 공급하여 상기 실리사이드막의 노출된 표면에 형성된 산화막과 화학적으로 반응시켜 반응층을 형성하는 단계 및 상기 반응층을 기화시켜 제거할 수 있도록 어닐링하는 단계를 구비하는 상기 실리사이드막의 표면을 제2차 세정하는 단계; 및상기 실리사이드막이 형성된 콘택홀내에 금속막을 충전하는 단계를 구비하여 이루어지는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제3항에 있어서,상기 실리사이드막은 텅스텐(W), 티타늄(Ti), 코발트(Co), 니켈(Ni), 몰리브덴(Mo), 탄탈륨(Ta), 백금(Pt), 팔라디움(Pd)으로 이루어진 군으로부터 선택된 어는 하나로부터 형성된 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제3항에 있어서,상기 불소계가스는 삼불화질소(NF3), 육불화황(SF6) 및 삼불화염소(ClF3) 등과 같이 불소를 포함하는 가스 중 어느 하나인 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제3항에 있어서,상기 제1차 및 제2차 세정단계에서 수소가스는 플라즈마 상태로, 불소계가스는 가스 상태로 공급하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제3항에 있어서,상기 제1차 및 제2차 세정단계에서 수소가스 및 불소계가스를 소정 비율로 혼합한 혼합가스를 플라즈마 상태로 만든 후 공급하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제7항에 있어서,상기 수소가스 및 불소계가스를 소정 비로 혼합한 혼합가스를 질소(N2)와 아르곤(Ar)가스를 함께 플라즈마 상태로 공급하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제3항에 있어서,상기 제1차 및 제2차 세정 단계에서 상기 반응층을 형성하는 단계는 0.01 내지 10 Torr의 압력 및 -25 내지 50 ℃의 온도하에서 20 내지 600초 동안 수행하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제3항에 있어서,상기 제1차 및 제2차 세정 단계에서 상기 어닐링단계는 100 내지 500 ℃의 온도하에서 20 내지 600초 동안 수행하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 게이트 절연막이 형성된 실리콘기판상에 실리콘을 함유한 게이트 형성물질을 형성하는 단계;플라즈마 상태의 수소가스 및 불소계가스를 공급하여 상기 게이트 형성물질의 표면에 형성된 산화막과 화학적으로 반응시켜 반응층을 형성하는 단계 및 상기반응층을 기화시켜 제거할 수 있도록 어닐링하는 단계를 구비하는 상기 게이트 형성물질의 표면을 제1차 세정하는 단계;상기 게이트 형성물질상에 실리사이드막을 형성하는 단계;플라즈마 상태의 수소가스 및 불소계가스를 공급하여 상기 실리사이드막의 표면에 형성된 산화막과 화학적으로 반응시켜 반응층을 형성하는 단계 및 상기 반응층을 기화시켜 제거할 수 있도록 어닐링하는 단계를 구비하는 상기 실리사이드막의 표면을 제2차 세정하는 단계; 및상기 실리사이드막상에 후속막을 형성하는 단계를 구비하여 이루어지는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제11항에 있어서,상기 실리사이드막을 형성하는 단계는, 텅스텐(W), 티타늄(Ti), 코발트(Co), 니켈(Ni), 몰리브덴(Mo), 탄탈륨(Ta), 백금(Pt), 팔라디움(Pd)으로 이루어진 내화금속(refractory metal)군으로부터 선택된 어느 하나를 열처리단계를 수반한 화학적 증착 또는 물리적 증착에 의해 수행되는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제11항에 있어서,상기 불소계가스는 삼불화질소(NF3), 육불화황(SF6) 및 삼불화염소(ClF3) 등과 같이 불소를 포함하는 가스 중 어느 하나인 것을 특징으로 하는 실리사이드막을구비한 반도체소자의 제조방법.
- 제11항에 있어서,상기 제1차 및 제2차 세정단계에서 수소가스는 플라즈마 상태로, 불소계가스는 가스 상태로 공급하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제11항에 있어서,상기 제1차 및 제2차 세정단계에서 수소가스 및 불소계가스를 소정 비율로 혼합한 혼합가스를 플라즈마 상태로 만든 후 공급하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제15항에 있어서,상기 수소가스 및 불소계가스를 소정 비로 혼합한 혼합가스를 질소(N2)와 아르곤(Ar)가스를 함께 플라즈마 상태로 공급하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제 11 항에 있어서,상기 제1차 및 제2차 세정 단계에서 상기 반응층을 형성하는 단계는 0.01 내지 10 Torr의 압력 및 -25 내지 50 ℃의 온도하에서 20 내지 600초 동안 수행하는것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
- 제11항에 있어서,상기 제1차 및 제2차 세정 단계에서 상기 어닐링단계는 100 내지 500 ℃의 온도하에서 20 내지 600초 동안 수행하는 것을 특징으로 하는 실리사이드막을 구비한 반도체소자의 제조방법.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000004465A KR100316721B1 (ko) | 2000-01-29 | 2000-01-29 | 실리사이드막을 구비한 반도체소자의 제조방법 |
| JP2001013026A JP2001244214A (ja) | 2000-01-29 | 2001-01-22 | シリサイド膜を備えた半導体素子の製造方法 |
| US09/771,242 US20020045355A1 (en) | 2000-01-29 | 2001-01-26 | Method of manufacturing a semiconductor device having a silicide layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000004465A KR100316721B1 (ko) | 2000-01-29 | 2000-01-29 | 실리사이드막을 구비한 반도체소자의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010076979A KR20010076979A (ko) | 2001-08-17 |
| KR100316721B1 true KR100316721B1 (ko) | 2001-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000004465A Expired - Fee Related KR100316721B1 (ko) | 2000-01-29 | 2000-01-29 | 실리사이드막을 구비한 반도체소자의 제조방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20020045355A1 (ko) |
| JP (1) | JP2001244214A (ko) |
| KR (1) | KR100316721B1 (ko) |
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| KR100713332B1 (ko) * | 2005-12-28 | 2007-05-04 | 동부일렉트로닉스 주식회사 | 반도체 소자의 살리사이드 형성 방법 |
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| KR20220053668A (ko) | 2019-09-03 | 2022-04-29 | 램 리써치 코포레이션 | 몰리브덴 증착 |
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| KR20220161452A (ko) | 2020-03-31 | 2022-12-06 | 램 리써치 코포레이션 | 염소 (chlorine) 를 사용한 고 종횡비 유전체 에칭 |
| US12412781B2 (en) * | 2022-05-26 | 2025-09-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for forming a contact plug by bottom-up metal growth |
| WO2024091543A1 (en) * | 2022-10-28 | 2024-05-02 | Lam Research Corporation | Selective molybdenum fill |
| US20240194527A1 (en) * | 2022-12-07 | 2024-06-13 | Applied Materials, Inc. | Interlayer for Resistivity Reduction in Metal Deposition Applications |
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| JP3072651B2 (ja) * | 1991-01-17 | 2000-07-31 | ソニー株式会社 | 半導体装置の製造方法およびチャンバ・システム |
| JP3328416B2 (ja) * | 1994-03-18 | 2002-09-24 | 富士通株式会社 | 半導体装置の製造方法と製造装置 |
| JP2738333B2 (ja) * | 1995-03-30 | 1998-04-08 | 日本電気株式会社 | 半導体装置の製造方法 |
| JPH097969A (ja) * | 1996-07-12 | 1997-01-10 | Hitachi Ltd | 微細孔への金属穴埋め方法 |
| JPH10112446A (ja) * | 1996-07-29 | 1998-04-28 | Sony Corp | コンタクト形成方法およびこれを用いた半導体装置 |
| JP4124543B2 (ja) * | 1998-11-11 | 2008-07-23 | 東京エレクトロン株式会社 | 表面処理方法及びその装置 |
-
2000
- 2000-01-29 KR KR1020000004465A patent/KR100316721B1/ko not_active Expired - Fee Related
-
2001
- 2001-01-22 JP JP2001013026A patent/JP2001244214A/ja active Pending
- 2001-01-26 US US09/771,242 patent/US20020045355A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100713332B1 (ko) * | 2005-12-28 | 2007-05-04 | 동부일렉트로닉스 주식회사 | 반도체 소자의 살리사이드 형성 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010076979A (ko) | 2001-08-17 |
| JP2001244214A (ja) | 2001-09-07 |
| US20020045355A1 (en) | 2002-04-18 |
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