KR100779395B1 - 반도체소자 및 그 제조방법 - Google Patents
반도체소자 및 그 제조방법 Download PDFInfo
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- KR100779395B1 KR100779395B1 KR1020060083916A KR20060083916A KR100779395B1 KR 100779395 B1 KR100779395 B1 KR 100779395B1 KR 1020060083916 A KR1020060083916 A KR 1020060083916A KR 20060083916 A KR20060083916 A KR 20060083916A KR 100779395 B1 KR100779395 B1 KR 100779395B1
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- indium
- ion implantation
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 13
- 238000005468 ion implantation Methods 0.000 claims abstract description 49
- 229910052738 indium Inorganic materials 0.000 claims abstract description 39
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 125000006850 spacer group Chemical group 0.000 claims abstract description 20
- 238000002513 implantation Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 abstract description 10
- 230000006866 deterioration Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 4
- 239000012535 impurity Substances 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
- 238000001994 activation Methods 0.000 description 2
- 238000005280 amorphization Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L29/66007—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
- H01L29/66492—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a pocket or a lightly doped drain selectively formed at the side of the gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26586—Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L29/66007—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
- H01L29/6653—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using the removal of at least part of spacer, e.g. disposable spacer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L29/66007—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (11)
- 기판상에 순차적으로 형성된 게이트절연막과 게이트;상기 게이트 양측과 하측에 소정 깊이로 형성된 포켓이온주입영역;상기 포켓이온주입영역과 상기 기판의 표면 사이에 형성된 엘디디(LDD) 이온주입영역;상기 게이트 양측에 형성된 스페이서; 및상기 스페이서 양측의 상기 기판 내에 BF2 및 인듐(In:Indium)을 이온주입하여 형성된 딥 소스/드레인 영역;을 포함하는 것을 특징으로 하는 반도체소자.
- 삭제
- 제1 항에 있어서,상기 인듐(In:Indium)은 상기 BF2 보다 더 얕은 깊이에 이온주입되는 것을 특징으로 하는 반도체소자.
- 제1 항에 있어서,상기 인듐(In:Indium)과 BF2 의 이온주입으로 인해상기 기판의 표면으로부터 50~100nm의 깊이에 딥 소스/드레인 영역이 형성된 것을 특징으로 하는 반도체소자.
- 제1 항에 있어서,상기 인듐(In:Indium)의 이온주입에 의해 상기 이온주입된 영역은 예비 비정질화 이온주입(Preamorphization implantation)된 것을 특징으로 하는 반도체소자.
- 기판상에 게이트절연막과 게이트를 순차적으로 형성하는 단계;상기 게이트 양측과 하측에 소정 깊이로 포켓이온주입영역을 형성하는 단계;상기 포켓이온주입영역과 상기 기판의 표면 사이에 엘디디(LDD) 이온주입영역을 형성하는 단계;상기 게이트 양측에 스페이서를 형성하는 단계; 및상기 스페이서를 이온주입마스크로 하여 상기 스페이서 양측의 상기 기판 내에 BF2 및 인듐(In:Indium)을 이온주입하여 딥 소스/드레인 영역을 형성하는 단계;를 포함하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제6 항에 있어서,상기 BF2 및 인듐(In:Indium)을 이온주입하고 급속열처리 단계를 더 포함하는 것을 특징으로 하는 반도체소자의 제조방법.
- 삭제
- 제6 항에 있어서,상기 인듐(In:Indium)으로 이온주입을 먼저 진행하는 단계;그 후 BF2 로 이온주입하는 단계;로 진행하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제6 항에 있어서,상기 인듐(In:Indium)은 10~150K eV로 이온주입하고,상기 BF2 로는 20~40 K eV로 이온주입하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제6 항에 있어서,상기 인듐(In:Indium)과 BF2 의 이온주입으로 인해상기 기판의 표면으로부터 50~100nm의 깊이에 딥 소스/드레인 영역이 형성되는 것을 특징으로 하는 반도체소자의 제조방법.
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KR1020060083916A KR100779395B1 (ko) | 2006-08-31 | 2006-08-31 | 반도체소자 및 그 제조방법 |
US11/848,640 US7763956B2 (en) | 2006-08-31 | 2007-08-31 | Semiconductor and method for manufacturing the same |
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KR1020060083916A KR100779395B1 (ko) | 2006-08-31 | 2006-08-31 | 반도체소자 및 그 제조방법 |
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KR20030001942A (ko) * | 2001-06-28 | 2003-01-08 | 동부전자 주식회사 | 반도체소자 및 그 제조방법 |
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US7763956B2 (en) | 2010-07-27 |
US20080054376A1 (en) | 2008-03-06 |
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