KR20030057889A - 반도체 소자의 트랜지스터 제조 방법 - Google Patents
반도체 소자의 트랜지스터 제조 방법 Download PDFInfo
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- KR20030057889A KR20030057889A KR1020010087991A KR20010087991A KR20030057889A KR 20030057889 A KR20030057889 A KR 20030057889A KR 1020010087991 A KR1020010087991 A KR 1020010087991A KR 20010087991 A KR20010087991 A KR 20010087991A KR 20030057889 A KR20030057889 A KR 20030057889A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 58
- 238000005530 etching Methods 0.000 claims abstract description 26
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 25
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 23
- 229920005591 polysilicon Polymers 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 238000005468 ion implantation Methods 0.000 claims description 38
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 7
- 238000001039 wet etching Methods 0.000 claims description 7
- 238000001312 dry etching Methods 0.000 claims description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 10
- 229910017052 cobalt Inorganic materials 0.000 description 9
- 239000010941 cobalt Substances 0.000 description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/66583—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with initial gate mask or masking layer complementary to the prospective gate location, e.g. with dummy source and drain contacts
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0331—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers for lift-off processes
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- H01L21/04—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
- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28114—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor characterised by the sectional shape, e.g. T, inverted-T
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
- H01L29/42376—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out characterised by the length or the sectional shape
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- 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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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- 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
- H01L29/66553—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using inside spacers, permanent or not
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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/6659—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with both lightly doped source and drain extensions and source and drain self-aligned to the sides of the gate, e.g. lightly doped drain [LDD] MOSFET, double diffused drain [DDD] MOSFET
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7833—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (11)
- 트렌치를 통해 노출된 반도체 기판에 게이트 산화막을 형성하고 상기 트렌치에 전도성 물질을 매립하여 트렌치형 게이트 전극을 형성하는 반도체 소자의 트랜지스터 제조 방법에 있어서,상기 트렌치를 형성하기 위한 식각 공정 시 상기 트렌치 상부 모서리의 절연막도 식각하여 상부가 하부보다 넓은 게이트 전극을 형성하는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 소자 분리막 및 웰이 형성된 반도체 기판 상부에 절연막을 형성하는 단계와,식각 공정으로 게이트 전극이 형성될 영역의 상기 절연막에 트렌치를 형성하되, 상기 트렌치 상부 모서리의 상기 절연막도 함께 식각하여 상부가 하부보다 넓은 트렌치를 형성하는 단계와,상기 절연막이 식각되지 않은 상기 트렌치의 측벽에 절연막 스페이서를 형성하는 단계와,상기 트렌치 저면의 상기 반도체 기판에 게이트 산화막을 형성하는 단계와,상기 트렌치에 게이트 전극을 형성하는 단계와,상기 절연막을 제거한 후 소오스/드레인을 형성하는 단계와,상기 게이트 전극 및 상기 소오스/드레인에 실리사이드층을 형성하는 단계로이루어지는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 절연막은 화학기상 증착법에 의해 2500 내지 4000Å의 두께로 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 식각 공정은 등방성 식각 특성을 갖는 습식 식각 공정과 이방성 식각 특성을 갖는 건식 식각 공정으로 이루어진 2단계 식각 공정으로 진행되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 4 항에 있어서,상기 습식 식각 공정 시 상기 절연막을 800 내지 1200Å의 두께만큼 제거하고, 상기 건식 식각 공정 시 상기 절연막을 100 내지 200Å의 두께로 잔류시켜 반도체 기판의 표면에 식각 손상이 발생되는 것을 방지하는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 5 항에 있어서,상기 잔류된 절연막은 게이트 산화막을 형성하기 전에 HF 계열의 용액을 이용한 습식 식각 공정에 의해 제거되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 트렌치의 상부 폭은 하부 폭보다 1000 내지 2000Å 더 넓은 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 2 항에 있어서,상기 절연막 스페이서는 질화막 및 산화막 중 어느 하나를 LPCVD법을 이용하여 500 내지 1000Å의 두께로 형성한 후 전면 식각 공정에 의해 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 2 항에 있어서,상기 절연막 스페이서를 형성한 후 700 내지 900℃의 온도에서 열산화막을50 내지 150Å의 두께로 형성한 후 트랜지스터의 문턱 전압을 조절하기 위한 문턱 전압 이온 주입 공정을 실시하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 게이트 산화막은 700 내지 900℃의 온도에서 15 내지 100Å의 두께로 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
- 제 1 항에 있어서,상기 게이트 전극은 폴리실리콘층으로 이루어지며, 500 내지 750℃의 온도에서 LPCVD법에 의해 2000 내지 4000Å의 두께로 형성되는 것을 특징으로 하는 반도체 소자의 트랜지스터 제조 방법.
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KR10-2001-0087991A KR100465055B1 (ko) | 2001-12-29 | 2001-12-29 | 반도체 소자의 트랜지스터 제조 방법 |
US10/285,697 US6849532B2 (en) | 2001-12-29 | 2002-11-01 | Method of manufacturing a transistor in a semiconductor device |
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KR10-2001-0087991A KR100465055B1 (ko) | 2001-12-29 | 2001-12-29 | 반도체 소자의 트랜지스터 제조 방법 |
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KR20030057889A true KR20030057889A (ko) | 2003-07-07 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100483062B1 (ko) * | 2002-04-29 | 2005-04-15 | 매그나칩 반도체 유한회사 | 반도체 씨모스 로직 디바이스의 제조 방법 |
KR100620704B1 (ko) * | 2004-12-30 | 2006-09-13 | 동부일렉트로닉스 주식회사 | 고집적 cmos 반도체 소자 구조 및 그 제조 방법 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100508535B1 (ko) * | 2003-02-04 | 2005-08-17 | 동부아남반도체 주식회사 | 반도체 소자의 게이트 전극 형성 방법 |
US6905976B2 (en) * | 2003-05-06 | 2005-06-14 | International Business Machines Corporation | Structure and method of forming a notched gate field effect transistor |
KR100519801B1 (ko) * | 2004-04-26 | 2005-10-10 | 삼성전자주식회사 | 스트레스 완충 스페이서에 의해 둘러싸여진 노드 콘택플러그를 갖는 반도체소자들 및 그 제조방법들 |
KR100750194B1 (ko) * | 2006-07-06 | 2007-08-17 | 삼성전자주식회사 | 오믹콘택막의 형성 방법 및 이를 이용한 반도체 장치의금속배선 형성 방법 |
WO2010023608A2 (en) * | 2008-08-25 | 2010-03-04 | Nxp B.V. | Low cost mos transistor for rf applications |
GB2489682B (en) * | 2011-03-30 | 2015-11-04 | Pragmatic Printing Ltd | Electronic device and its method of manufacture |
CN103378150B (zh) * | 2012-04-23 | 2016-04-20 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其制造方法 |
US8673765B2 (en) * | 2012-06-01 | 2014-03-18 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method and apparatus for back end of line semiconductor device processing |
US11476124B2 (en) * | 2021-01-05 | 2022-10-18 | Taiwan Semiconductor Manufacturing Company Ltd. | Etchant for etching a cobalt-containing member in a semiconductor structure and method of etching a cobalt-containing member in a semiconductor structure |
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US5231038A (en) * | 1989-04-04 | 1993-07-27 | Mitsubishi Denki Kabushiki Kaisha | Method of producing field effect transistor |
US5180689A (en) * | 1991-09-10 | 1993-01-19 | Taiwan Semiconductor Manufacturing Company | Tapered opening sidewall with multi-step etching process |
US5712501A (en) * | 1995-10-10 | 1998-01-27 | Motorola, Inc. | Graded-channel semiconductor device |
KR0154303B1 (ko) * | 1995-10-31 | 1998-12-01 | 김광호 | 모스 트랜지스터의 제조방법 |
US5766998A (en) * | 1996-12-27 | 1998-06-16 | Vanguard International Semiconductor Corporation | Method for fabricating narrow channel field effect transistors having titanium shallow junctions |
US6069387A (en) | 1998-04-06 | 2000-05-30 | Advanced Micro Devices, Inc. | Lightly doped drain formation integrated with source/drain formation for high-performance transistor formation |
US6355955B1 (en) | 1998-05-14 | 2002-03-12 | Advanced Micro Devices, Inc. | Transistor and a method for forming the transistor with elevated and/or relatively shallow source/drain regions to achieve enhanced gate electrode formation |
US6159781A (en) * | 1998-10-01 | 2000-12-12 | Chartered Semiconductor Manufacturing, Ltd. | Way to fabricate the self-aligned T-shape gate to reduce gate resistivity |
US6077733A (en) * | 1999-09-03 | 2000-06-20 | Taiwan Semiconductor Manufacturing Company | Method of manufacturing self-aligned T-shaped gate through dual damascene |
US6337262B1 (en) * | 2000-03-06 | 2002-01-08 | Chartered Semiconductor Manufacturing Ltd. | Self aligned T-top gate process integration |
US6326290B1 (en) | 2000-03-21 | 2001-12-04 | Taiwan Semiconductor Manufacturing Company | Low resistance self aligned extended gate structure utilizing A T or Y shaped gate structure for high performance deep submicron FET |
TW449920B (en) * | 2000-07-07 | 2001-08-11 | Amic Technology Taiwan Inc | Method for manufacturing MOS transistor |
-
2001
- 2001-12-29 KR KR10-2001-0087991A patent/KR100465055B1/ko active IP Right Grant
-
2002
- 2002-11-01 US US10/285,697 patent/US6849532B2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100483062B1 (ko) * | 2002-04-29 | 2005-04-15 | 매그나칩 반도체 유한회사 | 반도체 씨모스 로직 디바이스의 제조 방법 |
KR100620704B1 (ko) * | 2004-12-30 | 2006-09-13 | 동부일렉트로닉스 주식회사 | 고집적 cmos 반도체 소자 구조 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
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US6849532B2 (en) | 2005-02-01 |
US20030124826A1 (en) | 2003-07-03 |
KR100465055B1 (ko) | 2005-01-05 |
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