KR20080015947A - 반도체 장치 제조 방법 - Google Patents
반도체 장치 제조 방법 Download PDFInfo
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- KR20080015947A KR20080015947A KR1020087001507A KR20087001507A KR20080015947A KR 20080015947 A KR20080015947 A KR 20080015947A KR 1020087001507 A KR1020087001507 A KR 1020087001507A KR 20087001507 A KR20087001507 A KR 20087001507A KR 20080015947 A KR20080015947 A KR 20080015947A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 101
- 239000012535 impurity Substances 0.000 claims abstract description 45
- 238000005530 etching Methods 0.000 claims abstract description 21
- 125000005842 heteroatom Chemical group 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 30
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 23
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 7
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 6
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052732 germanium Inorganic materials 0.000 claims description 6
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 229910002601 GaN Inorganic materials 0.000 claims description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 239000010410 layer Substances 0.000 description 94
- 238000001020 plasma etching Methods 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
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Abstract
Description
Claims (12)
- 다결정 실리콘층을 구비한 반도체 장치를 제조하는 방법으로서,상기 다결정 실리콘층 상에 마스크층을 형성하는 단계와,상기 마스크층의 측면 상에 제공되며 상기 다결정 실리콘층의 일부를 커버하는 측벽을 형성하는 단계와,상기 마스크층 및 상기 측벽 중 적어도 하나를 마스크로서 이용하여 상기 다결정 실리콘층에 불순물을 도핑하는 단계와,상기 마스크층 및 상기 측벽 중 적어도 하나를 마스크로서 이용하여 상기 다결정 실리콘층을 에칭하는 단계를 포함하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 마스크층이 형성된 후, 상기 불순물은 상기 마스크층을 상기 마스크로서 이용하여 상기 다결정 실리콘층에 도핑되고,상기 불순물이 도핑된 후, 상기 측벽이 형성되며,상기 측벽이 형성된 후, 상기 불순물-도핑된 다결정 실리콘층은 상기 마스크층 및 상기 측벽을 마스크로서 이용하여 에칭되는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 다결정 실리콘층에 상기 불순물을 열처리로 확산시키는 단계와,상기 측벽을 선택적으로 에칭하는 단계를 더 포함하며,상기 마스크층이 형성된 후 상기 측벽이 형성되며,상기 측벽이 형성된 후, 상기 불순물은 상기 마스크층 및 상기 측벽을 상기 마스크로서 이용하여 상기 다결정 실리콘층에 도핑되고,상기 불순물이 도핑된 후, 상기 불순물이 확산되며,상기 불순물이 확산된 후, 상기 측벽이 에칭되고,상기 측벽이 에칭된 후, 상기 불순물-도핑된 다결정 실리콘층은 상기 마스크층을 상기 마스크로서 이용하여 에칭되는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 측벽을 선택적으로 에칭하는 단계를 더 포함하며,상기 마스크가 형성된 후, 상기 측벽이 형성되고,상기 측벽이 형성된 후, 상기 다결정 실리콘층은 상기 마스크층 및 상기 측벽을 상기 마스크로서 이용하여 에칭되며,상기 다결정 실리콘층이 에칭된 후, 상기 불순물은 상기 마스크층 및 상기 측벽을 상기 마스크로서 이용하여 상기 다결정 실리콘층의 측면에 도핑되고,상기 불순물이 도핑된 후, 상기 측벽이 에칭되며,상기 측벽이 에칭된 후, 상기 불순물-도핑된 다결정 실리콘층이 에칭되는 반도체 장치의 제조 방법.
- 반도체 몸체; 상기 반도체 몸체와는 다른 밴드갭 폭을 갖는 반도체 재료로 형성되는 제1 도전형의 제1 헤테로 반도체 영역; 상기 반도체 몸체의 표면의 소정 영역에 형성되며, 상기 반도체 몸체와는 다른 밴드갭 폭을 갖는 반도체 재료로 형성되는 제2 도전형의 제2 헤테로 반도체 영역; 상기 반도체 몸체와 상기 제1 헤테로 반도체 영역간의 인터페이스인 제1 헤테로접합 인터페이스, 및 상기 반도체 몸체와 상기 제2 헤테로 반도체 영역간의 인터페이스인 제2 헤테로접합 인터페이스 중에서, 게이트 절연막을 통해 적어도 상기 제2 헤테로접합 인터페이스에 인접하게 배열되는 게이트 전극; 상기 제1 및 제2 헤테로 반도체 영역에 연결된 소스 전극; 및 상기 반도체 몸체에 연결된 드레인 전극을 포함하는 반도체 장치의 제조 방법으로서,상기 반도체 몸체의 표면상에서 상기 제1 헤테로 반도체 영역을 상기 제1 도전형의 불순물로 도핑하여 형성하는 단계와,상기 제1 헤테로 반도체 영역 상에서 마스크층을 형성하는 단계와,상기 마스크층의 측면상에 제공되며 상기 제2 헤테로 반도체 영역의 일부를 커버하는 측벽을 형성하는 단계를 포함하는 반도체 장치의 제조 방법.
- 제5항에 있어서,상기 마스크층의 형성 후 및 상기 측벽의 형성 전에, 상기 마스크층을 마스크로서 이용하여 상기 제2 도전형의 불순물을 상기 제1 헤테로 반도체 영역에 도핑하여, 상기 제2 헤테로 반도체 영역을 형성하는 단계와,상기 측벽의 형성 후, 상기 마스크층 및 상기 측벽을 마스크로서 이용하여 상기 제2 헤테로 반도체 영역을 에칭하는 단계를 더 포함하는 반도체 장치의 제조 방법.
- 제5항에 있어서,상기 마스크층 및 상기 측벽을 마스크로서 이용하여 상기 제2 도전형의 불순물을 상기 제1 헤테로 반도체 영역에 도핑하여, 상기 제2 헤테로 반도체 영역을 형성하는 단계와,상기 제2 도전형의 불순물을 열처리로 확산시키는 단계와,상기 측벽을 선택적으로 에칭하는 단계와,상기 마스크층을 마스크로서 이용하여 상기 제2 헤테로 반도체 영역을 에칭하는 단계를 더 포함하는 반도체 장치의 제조 방법.
- 제5항에 있어서,상기 마스크층 및 상기 측벽을 마스크로서 이용하여 상기 제1 헤테로 반도체 영역을 에칭하는 단계와,상기 제2 도전형의 불순물을 상기 제1 헤테로 반도체 영역의 측면으로 도핑하여, 상기 제2 헤테로 반도체 영역을 형성하는 단계와,상기 측벽을 선택적으로 에칭하는 단계와,상기 마스크층을 마스크로서 이용하여 상기 제2 헤테로 반도체 영역을 에칭하는 단계를 더 포함하는 반도체 장치의 제조 방법.
- 제5항에 있어서, 상기 반도체 몸체는 실리콘 카바이드, 갈륨 니트라이드 및 다이아몬드중 어느 하나로 형성되는 반도체 장치의 제조 방법.
- 제5항에 있어서, 상기 제1 및 제2 헤테로 반도체 영역들 각각은 단결정 실리콘, 다결정 실리콘, 비정질 실리콘, 단결정 실리콘 게르마늄, 다결정 실리콘 게르마늄, 및 비정질 실리콘 게르마늄 중 어느 하나로 형성되는 반도체 장치의 제조 방법.
- 제5항에 있어서, 상기 제1 및 제2 헤테로 반도체 영역들 각각은 단결정 게르마늄, 다결정 게르마늄, 비정질 게르마늄, 단결정 갈륨 아세나이드, 다결정 갈륨 아세나이드, 및 비정질 갈륨 아세나이드 중 어느 하나로 형성되는 반도체 장치의 제조 방법.
- 제5항에 있어서, 상기 제1 도전형의 불순물은 P형 불순물인 반도체 장치의 제조 방법.
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JP2005208798A JP4982979B2 (ja) | 2005-07-19 | 2005-07-19 | 半導体装置の製造方法 |
JPJP-P-2005-00208798 | 2005-07-19 |
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US (1) | US7749845B2 (ko) |
EP (1) | EP1915773B1 (ko) |
JP (1) | JP4982979B2 (ko) |
KR (2) | KR101036963B1 (ko) |
CN (1) | CN101223629B (ko) |
WO (1) | WO2007010732A1 (ko) |
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JP2009302510A (ja) | 2008-03-03 | 2009-12-24 | Fuji Electric Device Technology Co Ltd | トレンチゲート型半導体装置およびその製造方法 |
JP2011238780A (ja) * | 2010-05-11 | 2011-11-24 | Elpida Memory Inc | 半導体装置及びその製造方法 |
JP2013219161A (ja) * | 2012-04-09 | 2013-10-24 | Mitsubishi Electric Corp | 半導体装置および半導体装置の製造方法 |
JP6654543B2 (ja) * | 2016-10-14 | 2020-02-26 | トヨタ自動車株式会社 | 半導体装置の製造方法 |
JP2019054143A (ja) * | 2017-09-15 | 2019-04-04 | 株式会社東芝 | 接続構造およびその製造方法ならびにセンサ |
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US4895810A (en) * | 1986-03-21 | 1990-01-23 | Advanced Power Technology, Inc. | Iopographic pattern delineated power mosfet with profile tailored recessed source |
US5252501A (en) * | 1991-12-30 | 1993-10-12 | Texas Instruments Incorporated | Self-aligned single-mask CMOS/BiCMOS twin-well formation with flat surface topography |
US5998287A (en) | 1994-06-13 | 1999-12-07 | United Microelectronics Corp. | Process for producing very narrow buried bit lines for non-volatile memory devices |
DE19640235C2 (de) * | 1996-09-30 | 2001-10-25 | Infineon Technologies Ag | Halbleiter-Festwertspeicher mit in Grabenseitenwänden vertikal verlaufenden Transistoren und Verfahren zu seiner Herstellung |
JP3326366B2 (ja) * | 1997-08-08 | 2002-09-24 | 三洋電機株式会社 | 半導体装置及びその製造方法 |
JP3125726B2 (ja) * | 1997-08-26 | 2001-01-22 | 日本電気株式会社 | 半導体装置の製造方法 |
US7282739B2 (en) * | 2002-04-26 | 2007-10-16 | Nissan Motor Co., Ltd. | Silicon carbide semiconductor device |
JP3620513B2 (ja) | 2002-04-26 | 2005-02-16 | 日産自動車株式会社 | 炭化珪素半導体装置 |
KR100487547B1 (ko) * | 2002-09-12 | 2005-05-03 | 삼성전자주식회사 | 비휘발성 메모리 장치의 제조 방법 |
JP4390452B2 (ja) * | 2002-12-27 | 2009-12-24 | Necエレクトロニクス株式会社 | 不揮発性メモリの製造方法 |
US6818516B1 (en) * | 2003-07-29 | 2004-11-16 | Lsi Logic Corporation | Selective high k dielectrics removal |
EP1519419B1 (en) * | 2003-09-24 | 2018-02-21 | Nissan Motor Co., Ltd. | Semiconductor device and manufacturing method thereof |
JP4929579B2 (ja) * | 2004-10-26 | 2012-05-09 | 日産自動車株式会社 | 半導体装置の製造方法 |
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- 2006-06-26 WO PCT/JP2006/313164 patent/WO2007010732A1/en active Application Filing
- 2006-06-26 KR KR1020107012550A patent/KR101036963B1/ko active IP Right Grant
- 2006-06-26 KR KR1020087001507A patent/KR100980923B1/ko active IP Right Grant
- 2006-06-26 CN CN2006800263706A patent/CN101223629B/zh active Active
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EP1915773A1 (en) | 2008-04-30 |
EP1915773B1 (en) | 2015-01-28 |
JP2007027491A (ja) | 2007-02-01 |
KR101036963B1 (ko) | 2011-05-25 |
KR20100068502A (ko) | 2010-06-23 |
KR100980923B1 (ko) | 2010-09-07 |
WO2007010732A1 (en) | 2007-01-25 |
US20090233408A1 (en) | 2009-09-17 |
CN101223629A (zh) | 2008-07-16 |
JP4982979B2 (ja) | 2012-07-25 |
US7749845B2 (en) | 2010-07-06 |
CN101223629B (zh) | 2011-04-06 |
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