KR100982419B1 - 탄소나노튜브를 이용한 반도체 소자의 배선 형성 방법 및이 방법에 의해 제조된 반도체 소자 - Google Patents
탄소나노튜브를 이용한 반도체 소자의 배선 형성 방법 및이 방법에 의해 제조된 반도체 소자 Download PDFInfo
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Abstract
Description
Claims (26)
- (가) 반도체 소자의 전극의 표면을 다공질 상태로 활성화시키는 단계;(나) 상기 전극 위에 절연층을 형성한 뒤, 상기 절연층에 상기 전극의 활성화된 표면의 일부를 노출시키는 컨택홀을 형성하는 단계; 및(다) 상기 컨택홀을 통해 상기 전극의 활성화된 표면에 탄소가 함유된 가스를 주입하여 상기 전극의 활성화된 표면으로부터 탄소나노튜브를 성장시켜 배선을 형성하는 단계;를 구비하며,상기 (가) 단계는, 300 ~ 700℃의 온도에서, 상기 전극의 표면에 질소 가스(N2), 아르곤 가스(Ar) 및 암모니아 가스(NH3)로 이루어진 군 중에서 선택된 적어도 하나의 전처리 가스를 흘려줌으로써 상기 전극의 표면을 다공질 상태로 활성화시키는 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 삭제
- (가) 반도체 소자의 전극의 표면을 다공질 상태로 활성화시키는 단계;(나) 상기 전극 위에 절연층을 형성한 뒤, 상기 절연층에 상기 전극의 활성화된 표면의 일부를 노출시키는 컨택홀을 형성하는 단계; 및(다) 상기 컨택홀을 통해 상기 전극의 활성화된 표면에 탄소가 함유된 가스를 주입하여 상기 전극의 활성화된 표면으로부터 탄소나노튜브를 성장시켜 배선을 형성하는 단계;를 구비하며,상기 (가) 단계는, 아르곤 가스(Ar)나 질소 가스(N2)를 이온화시켜 그 이온을 상기 전극의 표면에 충돌시킴으로써 상기 전극의 표면을 다공질 상태로 활성화시키는 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 제 3항에 있어서,상기 (가) 단계는 상온 상태에서 수행되는 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
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- 제 1항에 있어서,상기 (나) 단계에서, 상기 절연층은 산화물로 이루어진 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 제 1항에 있어서,상기 (나) 단계에서, 패터닝된 포토레지스트를 식각 마스크로 하여 상기 절연층을 이방성 식각함으로써 상기 컨택홀을 형성하는 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 삭제
- 제 1항에 있어서,상기 (다) 단계는 500 ~ 900℃의 온도에서 수행되는 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 제 1항에 있어서,상기 (다) 단계에서, 상기 탄소를 함유한 가스는 CH4, C2H2, C2H4, C2H6, CO 및 CO2로 이루어진 군 중에서 선택된 적어도 하나의 가스인 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 제 1항에 있어서,상기 (다) 단계에서, 상기 탄소를 함유한 가스는 수소 가스(H2), 질소 가스(N2)및 아르곤 가스(Ar)으로 이루어진 군 중에서 선택된 적어도 하나의 가스와 함께 주입되는 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 제 1항에 있어서,상기 (다) 단계는 열화학기상증착 방법 또는 플라즈마 화학기상증착 방법에 의해 수행되는 것을 특징으로 하는 반도체 소자의 배선 형성 방법.
- 기판;상기 기판에 형성된 전극;상기 전극의 표면에 형성된 다공질의 활성층;상기 활성층 위에 형성되며, 상기 활성층의 일부를 노출시키는 컨택홀을 가지는 절연층;상기 컨택홀 내부에서, 상기 활성층으로부터 성장되어 전자 이동의 통로가 되는 배선을 이루는 탄소나노튜브; 및상기 절연층의 상부에 형성되어 상기 탄소나노튜브와 전기적으로 연결되는 상변화 물질층;을 구비하는 것을 특징으로 하는 반도체 소자.
- 제 18항에 있어서,상기 활성층은, 300 ~ 700℃의 온도에서, 상기 전극의 표면에 질소 가스(N2), 아르곤 가스(Ar) 및 암모니아 가스(NH3)로 이루어진 군 중에서 선택된 적어도 하나의 전처리 가스를 흘려줌으로써 형성된 것을 특징으로 하는 반도체 소자.
- 제 18항에 있어서,상기 활성층은, 아르곤 가스(Ar)나 질소 가스(N2)를 이온화시켜 그 이온을 상기 전극의 표면에 충돌시킴으로써 형성된 것을 특징으로 하는 반도체 소자.
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- 제 18항에 있어서,상기 기판은 실리콘 또는 산화물로 이루어진 것을 특징으로 하는 반도체 소자.
- 제 18항에 있어서,상기 전극은 MOSFET의 소스 전극인 것을 특징으로 하는 반도체 소자.
- 삭제
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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KR1020030028000A KR100982419B1 (ko) | 2003-05-01 | 2003-05-01 | 탄소나노튜브를 이용한 반도체 소자의 배선 형성 방법 및이 방법에 의해 제조된 반도체 소자 |
EP04252117A EP1473767B1 (en) | 2003-05-01 | 2004-04-08 | Method of forming conductive line for semiconductor device using carbon nanotube and semiconductor device manufactured using the method |
CNB2004100348285A CN100369205C (zh) | 2003-05-01 | 2004-04-15 | 用碳纳米管形成半导体装置用导电线的方法及半导体装置 |
US10/835,044 US7060543B2 (en) | 2003-05-01 | 2004-04-30 | Method of forming a conductive line for a semiconductor device using a carbon nanotube and semiconductor device manufactured using the method |
JP2004137261A JP4777619B2 (ja) | 2003-05-01 | 2004-05-06 | カーボンナノチューブを利用した半導体素子の配線形成方法およびその方法により製造された半導体素子 |
US11/258,037 US7247897B2 (en) | 2003-05-01 | 2005-10-26 | Conductive line for a semiconductor device using a carbon nanotube including a memory thin film and semiconductor device manufactured |
JP2009233559A JP5264672B2 (ja) | 2003-05-01 | 2009-10-07 | カーボンナノチューブを利用した半導体素子の配線形成方法およびその方法により製造された半導体素子 |
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KR1020030028000A KR100982419B1 (ko) | 2003-05-01 | 2003-05-01 | 탄소나노튜브를 이용한 반도체 소자의 배선 형성 방법 및이 방법에 의해 제조된 반도체 소자 |
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US (2) | US7060543B2 (ko) |
EP (1) | EP1473767B1 (ko) |
JP (2) | JP4777619B2 (ko) |
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EP1473767A2 (en) | 2004-11-03 |
KR20040094065A (ko) | 2004-11-09 |
EP1473767B1 (en) | 2012-05-09 |
JP4777619B2 (ja) | 2011-09-21 |
CN1542920A (zh) | 2004-11-03 |
US20040219773A1 (en) | 2004-11-04 |
JP2004336054A (ja) | 2004-11-25 |
US20060046445A1 (en) | 2006-03-02 |
CN100369205C (zh) | 2008-02-13 |
US7060543B2 (en) | 2006-06-13 |
EP1473767A3 (en) | 2006-05-10 |
JP2010004087A (ja) | 2010-01-07 |
US7247897B2 (en) | 2007-07-24 |
JP5264672B2 (ja) | 2013-08-14 |
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