KR100495914B1 - 씨모스트랜지스터 및 그 제조 방법 - Google Patents
씨모스트랜지스터 및 그 제조 방법 Download PDFInfo
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- KR100495914B1 KR100495914B1 KR10-2002-0029020A KR20020029020A KR100495914B1 KR 100495914 B1 KR100495914 B1 KR 100495914B1 KR 20020029020 A KR20020029020 A KR 20020029020A KR 100495914 B1 KR100495914 B1 KR 100495914B1
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- 238000000034 method Methods 0.000 title claims description 51
- 239000012535 impurity Substances 0.000 claims abstract description 56
- 239000004065 semiconductor Substances 0.000 claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 125000006850 spacer group Chemical group 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000005468 ion implantation Methods 0.000 claims description 46
- 208000022010 Lhermitte-Duclos disease Diseases 0.000 claims description 25
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052698 phosphorus Inorganic materials 0.000 claims description 18
- 239000011574 phosphorus Substances 0.000 claims description 18
- 229910052785 arsenic Inorganic materials 0.000 claims description 13
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 13
- 229910052787 antimony Inorganic materials 0.000 claims description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 22
- 229920005591 polysilicon Polymers 0.000 description 22
- 150000004767 nitrides Chemical class 0.000 description 16
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- 229910052751 metal Inorganic materials 0.000 description 14
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- 238000010405 reoxidation reaction Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
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- 238000005530 etching Methods 0.000 description 5
- 238000000059 patterning Methods 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
Description
Claims (21)
- 삭제
- 반도체기판 상에 게이트산화막과 게이트전극의 순서로 적층된 적층막;상기 적층막 양측벽의 스페이서:상기 스페이서의 에지에 정렬되어 상기 반도체기판 내에 형성된 제1도전형 소스/드레인영역;상기 제1도전형 소스/드레인영역 사이의 상기 반도체기판 내에 형성된 제2도전형 펀치스톱층;상기 제1도전형 소스/드레인영역으로부터 상기 게이트전극의 양측 에지까지 확장되어 상기 반도체기판 내에 형성된 제1도전형 소스/드레인확장영역; 및상기 소스/드레인영역과 상기 소스/드레인확장영역보다 상대적으로 불순물 농도가 낮고 상기 제1도전형 소스/드레인확장영역을 둘러싸면서 상기 제1도전형 소스/드레인영역에 접하며 상기 펀치스톱층에 의해 접합 깊이가 억제되는 적어도 두 개의 LDD가 중첩된 제1도전형 LDD 영역을 포함하는 반도체소자.
- 제2항에 있어서,상기 소스/드레인확장영역은 상기 소스/드레인영역보다 얕고, 상기 LDD영역은 상기 소스/드레인확장영역보다 깊고 상기 소스/드레인영역보다 얕은 것을 특징으로 하는 반도체소자.
- 제2항에 있어서,상기 LDD영역은 상기 소스/드레인확장영역을 둘러싸는 적어도 이중 구조인 것을 특징으로 하는 반도체소자.
- 제2항에 있어서,상기 펀치스톱층보다 깊은 제2 도전형 필드스톱층; 및상기 필드스톱층보다 깊은 제2 도전형 웰영역을 더 포함함을 특징으로 하는 반도체소자.
- 제2항 내지 제5항 중 어느 한 항에 있어서,상기 소스/드레인확장영역과 상기 LDD영역은 확산 정도가 서로 다른 동일한 도전형의 불순물 도핑층이되, 상기 LDD영역내 불순물의 확산정도가 더 빠른 것을 특징으로 하는 반도체소자.
- 제6항에 있어서,상기 소스/드레인확장영역내 불순물은 비소이고, 상기 LDD영역내 불순물은 인인 것을 특징으로 하는 반도체소자.
- nMOS 영역과 pMOS 영역이 정의된 반도체기판;상기 nMOS 영역과 pMOS 영역상에 형성된 게이트산화막과 게이트전극의 적층막;상기 적층막의 양측벽에 접하는 스페이서;상기 스페이서의 에지에 정렬되어 상기 반도체기판의 pMOS영역내에 형성된 p형 소스/드레인영역과 상기 nMOS 영역내에 형성된 n형 소스/드레인영역;상기 p형 소스/드레인영역의 하단부에 중첩되어 형성된 제1펀치스톱층;상기 p형 소스/드레인영역의 일측면에 접하고 상기 스페이서 하부에 형성된 제2 펀치스톱층;상기 n형 소스/드레인영역의 일측면에 접하여 형성된 제3펀치스톱층;상기 n형 소스/드레인영역의 일측면에 접하고 상기 스페이서 하부에 형성된 n형 소스/드레인확장영역; 및상기 n형 소스/드레인영역과 상기 n형 소스/드레인확장영역보다 상대적으로 불순물 농도가 낮고 상기 n형 소스/드레인확장영역을 둘러싸는 n형 LDD영역을 포함하는 반도체소자.
- 제8항에 있어서,상기 n형 LDD영역은 동일한 종류의 불순물이 다수번 도핑된 다중 구조인 것을 특징으로 하는 반도체소자.
- 제8항에 있어서,상기 n형 소스/드레인확장영역과 상기 n형 LDD영역은 확산 정도가 서로 다른 동일한 도전형의 불순물 도핑층이되, 상기 n형 LDD영역내 불순물의 확산정도가 더 빠른 것을 특징으로 하는 반도체소자.
- 제10항에 있어서,상기 n형 소스/드레인확장영역은 비소의 도핑층이고, 상기 n형 LDD영역은 인의 도핑층인 것을 특징으로 하는 반도체소자.
- 삭제
- 제8항에 있어서,상기 제1펀치스톱층은 비소 또는 안티몬의 도핑층이고, 상기 제2펀치스톱층은 인의 도핑층인 것을 특징으로 하는 반도체소자.
- 반도체기판내에 n형 웰영역을 형성하는 단계;상기 n형 웰영역내에 n형 제1펀치스톱층을 형성하는 단계;상기 n형 웰영역에 인접하는 p형 웰영역을 형성하는 단계;상기 n형 웰영역과 상기 p형 웰영역상에 각각 게이트산화막과 게이트전극을 형성하는 단계;상기 게이트전극을 마스크로 불순물을 이온주입하여 상기 n형 웰영역내에 n형 제2펀치스톱층을 형성함과 동시에 상기 p형 웰영역내에 n형 제1 LDD영역을 형성하는 단계;상기 제1 LDD영역내에 상기 제1 LDD영역보다 높은 불순물농도를 갖는 n형 소스/드레인확장영역을 형성하는 단계;상기 소스/드레인확장영역보다 상대적으로 불순물 농도가 낮고 상기 n형 소스/드레인확장영역을 감싸는 n형 제2 LDD영역을 형성하는 단계;상기 게이트전극의 측벽에 스페이서를 형성하는 단계; 및상기 제1펀치스톱층 및 상기 제2펀치스톱층에 동시에 접하는 p형 소스/드레인영역을 형성하는 단계; 및상기 소스/드레인확장영역과 상기 제1,2 LDD영역에 동시에 접하며 상기 제1 LDD영역보다 깊은 n형 소스/드레인영역을 형성하는 단계를 포함함을 특징으로 하는 씨모스 트랜지스터의 제조 방법.
- 제14항에 있어서,상기 제2 LDD영역은 상기 제1 LDD영역보다 그 깊이가 얕거나 동일한 것을 특징으로 하는 씨모스 트랜지스터의 제조 방법.
- 제14항 또는 제15항에 있어서,상기 제1 LDD영역을 형성한 후,상기 제1 LDD영역 하부에 p형 제3펀치스톱층을 형성하는 단계를 더 포함함을 특징으로 하는 씨모스 트랜지스터의 제조 방법.
- 삭제
- 제14항에 있어서,상기 제1 및 제2 LDD영역은 n형 제1불순물을 이온주입하여 형성하고, 상기 소스/드레인확장영역은 n형 제2불순물을 이온주입하여 형성하되, 상기 제1불순물의 확산정도가 상기 제2불순물의 확산정도보다 더 빠른 것을 특징으로 하는 씨모스 트랜지스터의 제조 방법.
- 제18항에 있어서,상기 제1불순물은 인이고, 상기 제2불순물은 비소인 것을 특징으로 하는 씨모스 트랜지스터의 제조 방법.
- 제14항에 있어서,상기 제1펀치스톱층은 비소 또는 안티몬을 이온주입하여 형성하는 것을 특징으로 하는 씨모스 트랜지스터의 제조 방법.
- 제14항에 있어서,상기 제2펀치스톱층과 제1 LDD 영역을 형성하는 단계는,인을 전면 이온주입하여 형성하는 것을 특징으로 하는 씨모스 트랜지스터의 제조 방법.
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KR10-2002-0029020A KR100495914B1 (ko) | 2002-05-24 | 2002-05-24 | 씨모스트랜지스터 및 그 제조 방법 |
TW091138012A TWI269405B (en) | 2002-05-24 | 2002-12-31 | MOS transistor and method for fabricating the same |
US10/331,590 US6767780B2 (en) | 2002-05-24 | 2002-12-31 | Method for fabricating CMOS transistor |
CNB031086799A CN1257554C (zh) | 2002-05-24 | 2003-04-03 | 金属氧化物半导体晶体管及其制造方法 |
US10/809,350 US6879006B2 (en) | 2002-05-24 | 2004-03-26 | MOS transistor and method for fabricating the same |
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KR10-2002-0029020A KR100495914B1 (ko) | 2002-05-24 | 2002-05-24 | 씨모스트랜지스터 및 그 제조 방법 |
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KR100495914B1 true KR100495914B1 (ko) | 2005-06-20 |
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US (2) | US6767780B2 (ko) |
KR (1) | KR100495914B1 (ko) |
CN (1) | CN1257554C (ko) |
TW (1) | TWI269405B (ko) |
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KR100541373B1 (ko) * | 2003-06-30 | 2006-01-11 | 주식회사 하이닉스반도체 | 리프레시타임을 개선시킨 반도체소자의 제조 방법 |
KR100540341B1 (ko) * | 2003-12-31 | 2006-01-11 | 동부아남반도체 주식회사 | 반도체 소자 제조방법 |
KR100598033B1 (ko) * | 2004-02-03 | 2006-07-07 | 삼성전자주식회사 | 반도체 소자의 듀얼 게이트 산화막 형성 방법 |
JP4664631B2 (ja) * | 2004-08-05 | 2011-04-06 | 株式会社東芝 | 半導体装置及びその製造方法 |
US7282771B2 (en) * | 2005-01-25 | 2007-10-16 | International Business Machines Corporation | Structure and method for latchup suppression |
JP5114829B2 (ja) * | 2005-05-13 | 2013-01-09 | ソニー株式会社 | 半導体装置およびその製造方法 |
JP2007005565A (ja) * | 2005-06-23 | 2007-01-11 | Fujitsu Ltd | 半導体装置及びその製造方法 |
US20070034949A1 (en) * | 2005-08-11 | 2007-02-15 | Texas Instruments, Incorporated | Semiconductor device having multiple source/drain extension implant portions and a method of manufacture therefor |
US7442996B2 (en) * | 2006-01-20 | 2008-10-28 | International Business Machines Corporation | Structure and method for enhanced triple well latchup robustness |
JP2007281038A (ja) * | 2006-04-03 | 2007-10-25 | Toshiba Corp | 半導体装置 |
KR100843212B1 (ko) * | 2006-11-29 | 2008-07-02 | 삼성전자주식회사 | 확산방지영역을 갖는 반도체 소자와 그의 제조 방법 |
US7691700B2 (en) * | 2007-06-27 | 2010-04-06 | Texas Instruments Incorporated | Multi-stage implant to improve device characteristics |
US8276915B2 (en) * | 2007-11-09 | 2012-10-02 | Markman Holdings, Llc | Game apparatus and method |
CN101452886B (zh) * | 2007-12-07 | 2011-05-11 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
CN101577230B (zh) * | 2008-05-05 | 2011-10-05 | 中芯国际集成电路制造(北京)有限公司 | 半导体器件的制造方法 |
US8900954B2 (en) * | 2011-11-04 | 2014-12-02 | International Business Machines Corporation | Blanket short channel roll-up implant with non-angled long channel compensating implant through patterned opening |
WO2015033181A1 (en) * | 2013-09-05 | 2015-03-12 | Freescale Semiconductor, Inc. | A power field effect transistor, a power field effect transistor device and a method of manufacturing a power field effect transistor |
CN105489606A (zh) * | 2014-09-19 | 2016-04-13 | 中国科学院微电子研究所 | 半导体器件及其制造方法 |
CN105633082A (zh) * | 2015-02-06 | 2016-06-01 | 中国科学院微电子研究所 | 半导体器件及其制造方法 |
CN105140113A (zh) * | 2015-08-11 | 2015-12-09 | 上海华力微电子有限公司 | 一种改善离子注入准直性的方法 |
US11251095B2 (en) * | 2016-06-13 | 2022-02-15 | Globalfoundries Singapore Pte. Ltd. | High gain transistor for analog applications |
JP2018026444A (ja) * | 2016-08-10 | 2018-02-15 | ソニー株式会社 | 半導体集積回路、および、半導体集積回路の製造方法 |
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- 2002-12-31 US US10/331,590 patent/US6767780B2/en not_active Expired - Lifetime
- 2002-12-31 TW TW091138012A patent/TWI269405B/zh not_active IP Right Cessation
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- 2003-04-03 CN CNB031086799A patent/CN1257554C/zh not_active Expired - Lifetime
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US20030218219A1 (en) | 2003-11-27 |
TWI269405B (en) | 2006-12-21 |
US20040180489A1 (en) | 2004-09-16 |
TW200307347A (en) | 2003-12-01 |
CN1257554C (zh) | 2006-05-24 |
US6879006B2 (en) | 2005-04-12 |
KR20030091168A (ko) | 2003-12-03 |
US6767780B2 (en) | 2004-07-27 |
CN1459861A (zh) | 2003-12-03 |
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