KR100446309B1 - L자형 스페이서를 채용한 반도체 소자의 제조 방법 - Google Patents
L자형 스페이서를 채용한 반도체 소자의 제조 방법 Download PDFInfo
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- KR100446309B1 KR100446309B1 KR10-2002-0070864A KR20020070864A KR100446309B1 KR 100446309 B1 KR100446309 B1 KR 100446309B1 KR 20020070864 A KR20020070864 A KR 20020070864A KR 100446309 B1 KR100446309 B1 KR 100446309B1
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- insulating film
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 64
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 30
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005530 etching Methods 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 18
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 57
- 239000012535 impurity Substances 0.000 claims description 26
- 238000000137 annealing Methods 0.000 claims description 19
- 150000004767 nitrides Chemical class 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000005468 ion implantation Methods 0.000 claims description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 2
- -1 Si 3 N 4 Inorganic materials 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 238000000407 epitaxy Methods 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims description 2
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021334 nickel silicide Inorganic materials 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- 150000003377 silicon compounds Chemical class 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 229910021341 titanium silicide Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 68
- 238000001039 wet etching Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000004151 rapid thermal annealing Methods 0.000 description 2
- 238000000348 solid-phase epitaxy Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/6653—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using the removal of at least part of spacer, e.g. disposable spacer
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
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- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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Abstract
Description
Claims (20)
- 트랜지스터부 및 저항부로 구분된 반도체 기판의 트랜지스터부에 게이트 패턴을 형성하는 단계;상기 게이트 패턴 및 반도체 기판의 전면에 버퍼 절연막, 제1 절연막 및 제2 절연막을 차례로 형성하는 단계;상기 제2 절연막을 식각하여 상기 게이트 패턴의 양측벽의 제1 절연막 상에 제거 스페이서를 형성하는 단계;상기 트랜지스터부의 상기 제거 스페이서에 얼라인된 반도체 기판 및 상기 저항부의 반도체 기판에 깊은 소오스/드레인 영역을 형성하는 단계;상기 제거 스페이서 및 제1 절연막을 순차적으로 제거하는 단계;상기 트랜지스터부의 깊은 소오스/드레인 영역에 인접하여 상기 게이트 패턴의 양측의 반도체 기판에 얕은 소오스/드레인 영역을 형성하는 단계;상기 버퍼 절연막 상에 제3 절연막 및 제4 절연막을 차례로 형성하는 단계;상기 제4 절연막, 제3 절연막 및 버퍼 절연막을 패터닝하여 상기 트랜지스터부의 게이트 패턴의 양측벽에 L자형의 스페이서를 형성함과 아울러 상기 저항부에는 실리사이드 형성 방지막 패턴을 동시에 형성하는 단계; 및상기 게이트 전극의 상면, 상기 트랜지스터부 및 저항부의 깊은 소오스 및 드레인 영역 상에 금속 실리사이드를 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 제4 절연막을 형성하는 단계 후에 상기 저항부에 마스크 패턴을 형성하여 상기 실리사이드막 형성 방지막 패턴 형성시 식각 마스크로 이용하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 제2 절연막은 상기 제1 절연막과 식각선택비가 높은 막질을 이용하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제3항에 있어서, 상기 제2 절연막은 산화막으로 형성하고, 상기 제1 절연막은 질화막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 제1 절연막은 상기 버퍼 절연막과 식각선택비가 높은 막질을 이용하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제5항에 있어서, 상기 제1 절연막은 질화막으로 형성하고, 상기 버퍼 절연막은 산화막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 깊은 소오스/드레인 영역은 상기 제거 스페이서를 마스크로 불순물을 이온주입하는 단계와, 상기 주입된 불순물을 어닐닝하는 단계로 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제7항에 있어서, 상기 깊은 소오스/드레인 영역을 형성하기 위한 어닐링은 상기 얇은 소오스/드레인 영역을 형성하기 전에 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 얕은 소오스/드레인 영역은 상기 버퍼 절연막이 형성된 반도체 기판의 전면에 불순물을 이온주입하는 단계와, 상기 주입된 불순물을 어닐닝하는 단계로 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제9항에 있어서, 상기 얕은 소오스/드레인 영역을 형성하기 위한 어닐링은 상기 금속 실리사이드를 형성하기 전에 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제9항에 있어서, 상기 얕은 소오스/드레인 영역을 형성하기 위한 어닐링은 500∼800℃의 저온에서 수행하거나, 900∼1300℃에서 급속 열처리나 스파이크 열처리 방법을 이용하여 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 제4 절연막은 상기 제3 절연막과 식각선택비가 높은 막질을 이용하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제12항에 있어서, 상기 제4 절연막은 산화막으로 형성하고, 상기 제3 절연막은 질화막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 얕은 소오스/드레인 영역은 이온주입방법, 고상 에피택시방법 또는 플라즈마 도핑 방법을 이용하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 게이트 패턴의 양측벽에서 상기 깊은 소오스 및 드레인 영역까지의 길이는 상기 제거 스페이서의 길이로 결정되고, 상기 게이트 패턴의 양측벽에서 상기 금속 실리사이드까지의 거리는 상기 스페이서의 길이로 결정되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 반도체 기판은 실리콘 기판이나 SOI(silicon on insulator) 기판을 이용하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 게이트 패턴은 게이트 절연막 및 게이트 전극이 순차적으로 형성하여 마련되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제17항에 있어서, 상기 게이트 절연막은 SiO2,Si3N4, SiON, ZrO2, HfO2,Ta2O5또는 Al2O3으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제17항에 있어서, 상기 게이트 전극은 불순물이 도핑된 폴리실리콘, 실리콘 결합물 및 금속의 단일막 또는 다중막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 금속 실리사이드는 코발트 실리사이드, 니켈 실리사이드 또는 타이타늄 실리사이드를 사용하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
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KR10-2002-0070864A KR100446309B1 (ko) | 2002-11-14 | 2002-11-14 | L자형 스페이서를 채용한 반도체 소자의 제조 방법 |
US10/449,924 US6869839B2 (en) | 2002-11-14 | 2003-05-30 | Method of fabricating a semiconductor device having an L-shaped spacer |
JP2003278670A JP2004165627A (ja) | 2002-11-14 | 2003-07-23 | L字型スペーサを採用した半導体素子の製造方法 |
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KR10-2002-0070864A KR100446309B1 (ko) | 2002-11-14 | 2002-11-14 | L자형 스페이서를 채용한 반도체 소자의 제조 방법 |
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JP2005191228A (ja) * | 2003-12-25 | 2005-07-14 | Sanyo Electric Co Ltd | 半導体装置の製造方法 |
DE102004031606B4 (de) * | 2004-06-30 | 2009-03-12 | Infineon Technologies Ag | Integrierte Schaltungsanordnung mit pin-Diode und Herstellungsverfahren |
JP2006108629A (ja) * | 2004-09-10 | 2006-04-20 | Toshiba Corp | 半導体装置の製造方法 |
KR100613352B1 (ko) * | 2004-12-30 | 2006-08-21 | 동부일렉트로닉스 주식회사 | Rf 모스 반도체 소자의 제조 방법 |
JP4852261B2 (ja) | 2005-05-17 | 2012-01-11 | キヤノンアネルバ株式会社 | シリコン化合物の形成方法 |
WO2006126245A1 (ja) * | 2005-05-23 | 2006-11-30 | Fujitsu Limited | 半導体装置及びその製造方法 |
JP4626513B2 (ja) * | 2005-12-28 | 2011-02-09 | 株式会社デンソー | ドライバ用半導体素子の過電流保護装置 |
KR100809330B1 (ko) * | 2006-09-04 | 2008-03-05 | 삼성전자주식회사 | 게이트 스페이서로 인한 응력이 배제된 반도체 소자 및 그제조 방법 |
JP2008263052A (ja) * | 2007-04-12 | 2008-10-30 | Renesas Technology Corp | 半導体装置の製造方法 |
US7799650B2 (en) * | 2007-08-08 | 2010-09-21 | Freescale Semiconductor, Inc. | Method for making a transistor with a stressor |
IT1391861B1 (it) * | 2008-09-10 | 2012-01-27 | St Microelectronics Rousset | Processo per la realizzazione di un dispositivo di memoria includente un transistore verticale bipolare a giunzione ed un transistore cmos con spaziatori |
US7951664B2 (en) * | 2009-06-05 | 2011-05-31 | Infineon Technologies Ag | Methods of manufacturing resistors and structures thereof |
CN102655110B (zh) * | 2011-03-04 | 2014-10-22 | 中芯国际集成电路制造(上海)有限公司 | Soi晶体管及其制造方法 |
US8956938B2 (en) | 2012-05-16 | 2015-02-17 | International Business Machines Corporation | Epitaxial semiconductor resistor with semiconductor structures on same substrate |
JP2017120821A (ja) * | 2015-12-28 | 2017-07-06 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
TWI659254B (zh) * | 2017-10-24 | 2019-05-11 | 元太科技工業股份有限公司 | 驅動基板及顯示裝置 |
CN109698204B (zh) * | 2017-10-24 | 2021-09-07 | 元太科技工业股份有限公司 | 驱动基板及显示装置 |
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- 2002-11-14 KR KR10-2002-0070864A patent/KR100446309B1/ko active IP Right Grant
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JP2004165627A (ja) | 2004-06-10 |
US6869839B2 (en) | 2005-03-22 |
KR20040042913A (ko) | 2004-05-22 |
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