KR20020076386A - 수직형 채널을 가지는 초미세 mos 트랜지스터 및 그제조방법 - Google Patents
수직형 채널을 가지는 초미세 mos 트랜지스터 및 그제조방법 Download PDFInfo
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- KR20020076386A KR20020076386A KR1020010016190A KR20010016190A KR20020076386A KR 20020076386 A KR20020076386 A KR 20020076386A KR 1020010016190 A KR1020010016190 A KR 1020010016190A KR 20010016190 A KR20010016190 A KR 20010016190A KR 20020076386 A KR20020076386 A KR 20020076386A
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 84
- 239000010703 silicon Substances 0.000 claims abstract description 84
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000012535 impurity Substances 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 87
- 239000013078 crystal Substances 0.000 claims description 22
- 238000005530 etching Methods 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 10
- 238000005468 ion implantation Methods 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229920002120 photoresistant polymer Polymers 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 claims description 2
- 239000012212 insulator Substances 0.000 abstract description 3
- 239000002019 doping agent Substances 0.000 abstract 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- 238000001459 lithography Methods 0.000 description 8
- 238000002955 isolation Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000007261 regionalization Effects 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 239000002090 nanochannel Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6728—Vertical TFTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/201—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates the substrates comprising an insulating layer on a semiconductor body, e.g. SOI
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/701—Integrated with dissimilar structures on a common substrate
- Y10S977/712—Integrated with dissimilar structures on a common substrate formed from plural layers of nanosized material, e.g. stacked structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/701—Integrated with dissimilar structures on a common substrate
- Y10S977/72—On an electrically conducting, semi-conducting, or semi-insulating substrate
- Y10S977/721—On a silicon substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/701—Integrated with dissimilar structures on a common substrate
- Y10S977/723—On an electrically insulating substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/84—Manufacture, treatment, or detection of nanostructure
- Y10S977/887—Nanoimprint lithography, i.e. nanostamp
Landscapes
- Thin Film Transistor (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (11)
- 수직형 채널을 가지는 초미세 MOS 트랜지스터에 있어서,SOI 기판 상에 소스와, 수직형 채널, 및 드레인이 적층되고,상기 수직형 채널의 측벽에 게이트전극이 형성되며,상기 수직형 채널과 소스, 수직형 채널과 드레인 사이에 소스 접합 및 드레인 접합이 형성된 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터.
- SOI 기판을 고농도 불순물로 도핑하여 제1실리콘 전도층을 형성하는 제1단계와;상기 제1실리콘 전도층 위에 저농도 불순물의 실리콘 단결정층과 고농도 불순물의 제2실리콘 전도층을 순차적으로 형성하는 제2단계;상기 실리콘 단결정층과 제2실리콘 전도층의 일부를 수직방향으로 식각하는 제3단계;상기 결과물의 표면에 게이트 절연막을 형성하고 열처리하여 제1실리콘 전도층과 제2실리콘 전도층의 고농도 불순물을 상기 실리콘 단결정층으로 확산시켜 상기 실리콘 단결정층에 소스접합, 수직형 채널, 및 드레인접합이 수직방향으로 형성되도록 하는 제4단계; 및상기 결과물의 수직형 채널을 감싸는 구조의 측벽 게이트전극을 형성하는 제5단계를 포함한 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 2 항에 있어서, 상기 제1단계는,상기 SOI 기판에 이온주입방법 또는 기상확산방법을 이용하여 고농도의 불순물을 도핑하여 제1실리콘 전도층을 형성하는 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 2 항에 있어서, 상기 제2단계는,상기 제1단계의 결과물 위에 CVD 또는 MBE 증착방법을 이용하여 저농도 불순물의 실리콘 단결정층을 형성하는 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 4 항에 있어서, 상기 제2단계는,상기 실리콘 단결정층 위에 CVD 증착방법을 이용하여 고농도 불순물의 비정질 또는 다결정 상태의 제2실리콘 전도층을 형성하는 것을 특징으로 하는 수직형채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 2 항에 있어서, 상기 제3단계는,식각 마스크를 이용하여 제2실리콘 전도층과 실리콘 단결정층을 건식각하는 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 6 항에 있어서,상기 식각 마스크는 포토레지스터와, 산화막, 및 질화막 중 어느 하나인 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 2 항에 있어서, 상기 제4단계에서 게이트 절연막은 열산화막, 질화막, CVD 증착 산화막, CVD 증착 질화막 중 어느 하나인 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 2 항에 있어서, 상기 제5단계는,상기 제4단계의 결과물 위에 제3실리콘 전도층을 증착하고, 층간 절연막을형성한 후 게이트 전극부분을 제외한 제3실리콘 전도층을 식각하여 채널을 감싸는 측벽 구조의 게이트 전극을 형성하는 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 9 항에 있어서,상기 제3실리콘 전도층은 비정질 실리콘 또는 다결정 상태로 CVD 증착방법으로 증착되는 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
- 제 9 항에 있어서,상기 제5단계의 결과물 위에 층간 절연막을 증착하고, 각 전극의 콘택홀을 형성하며 상기 콘택홀에 금속 또는 실리콘 전도층을 증착한 후, 배선을 형성하는 제6단계를 더 포함한 것을 특징으로 하는 수직형 채널을 가지는 초미세 MOS 트랜지스터 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0016190A KR100401130B1 (ko) | 2001-03-28 | 2001-03-28 | 수직형 채널을 가지는 초미세 mos 트랜지스터 제조방법 |
US09/975,963 US6638823B2 (en) | 2001-03-28 | 2001-10-15 | Ultra small size vertical MOSFET device and method for the manufacture thereof |
JP2001392751A JP2002299636A (ja) | 2001-03-28 | 2001-12-25 | 垂直型チャネルを有する超微細mosトランジスタ及びその製造方法 |
US10/617,183 US6770534B2 (en) | 2001-03-28 | 2003-07-11 | Ultra small size vertical MOSFET device and method for the manufacture thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2001-0016190A KR100401130B1 (ko) | 2001-03-28 | 2001-03-28 | 수직형 채널을 가지는 초미세 mos 트랜지스터 제조방법 |
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KR20020076386A true KR20020076386A (ko) | 2002-10-11 |
KR100401130B1 KR100401130B1 (ko) | 2003-10-10 |
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KR10-2001-0016190A Expired - Fee Related KR100401130B1 (ko) | 2001-03-28 | 2001-03-28 | 수직형 채널을 가지는 초미세 mos 트랜지스터 제조방법 |
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US (2) | US6638823B2 (ko) |
JP (1) | JP2002299636A (ko) |
KR (1) | KR100401130B1 (ko) |
Cited By (5)
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KR100729122B1 (ko) * | 2005-12-29 | 2007-06-14 | 동부일렉트로닉스 주식회사 | 반도체 소자의 트랜지스터 및 그 제조방법 |
KR100861301B1 (ko) * | 2007-05-10 | 2008-10-01 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조방법 |
KR100908075B1 (ko) * | 2007-09-03 | 2009-07-15 | 한국과학기술원 | 반도체 소자의 제조방법 |
WO2010018912A1 (ko) * | 2008-08-11 | 2010-02-18 | 한국과학기술원 | 수직 트랜지스터 소오스(또는 드레인)와 벌크 영역 내의 트랩 전하를 완전히 제거하기 위한 방법 |
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- 2001-03-28 KR KR10-2001-0016190A patent/KR100401130B1/ko not_active Expired - Fee Related
- 2001-10-15 US US09/975,963 patent/US6638823B2/en not_active Expired - Fee Related
- 2001-12-25 JP JP2001392751A patent/JP2002299636A/ja active Pending
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2003
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KR100729122B1 (ko) * | 2005-12-29 | 2007-06-14 | 동부일렉트로닉스 주식회사 | 반도체 소자의 트랜지스터 및 그 제조방법 |
KR100861301B1 (ko) * | 2007-05-10 | 2008-10-01 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조방법 |
KR100908075B1 (ko) * | 2007-09-03 | 2009-07-15 | 한국과학기술원 | 반도체 소자의 제조방법 |
WO2010018912A1 (ko) * | 2008-08-11 | 2010-02-18 | 한국과학기술원 | 수직 트랜지스터 소오스(또는 드레인)와 벌크 영역 내의 트랩 전하를 완전히 제거하기 위한 방법 |
KR100985107B1 (ko) * | 2008-08-11 | 2010-10-05 | 한국과학기술원 | 수직 트랜지스터 소오스(또는 드레인)와 벌크 영역 내의 트랩 전하를 완전히 제거하기 위한 방법 |
CN107910328A (zh) * | 2017-12-12 | 2018-04-13 | 睿力集成电路有限公司 | 半导体器件中制造存储节点接触的方法及半导体器件 |
CN107910328B (zh) * | 2017-12-12 | 2023-09-22 | 长鑫存储技术有限公司 | 半导体器件中制造存储节点接触的方法及半导体器件 |
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KR100401130B1 (ko) | 2003-10-10 |
US20020140032A1 (en) | 2002-10-03 |
US6770534B2 (en) | 2004-08-03 |
JP2002299636A (ja) | 2002-10-11 |
US20040007737A1 (en) | 2004-01-15 |
US6638823B2 (en) | 2003-10-28 |
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