KR101128699B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR101128699B1 KR101128699B1 KR1020050025833A KR20050025833A KR101128699B1 KR 101128699 B1 KR101128699 B1 KR 101128699B1 KR 1020050025833 A KR1020050025833 A KR 1020050025833A KR 20050025833 A KR20050025833 A KR 20050025833A KR 101128699 B1 KR101128699 B1 KR 101128699B1
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- Prior art keywords
- germanium
- region
- fluorine ions
- forming
- semiconductor substrate
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000004065 semiconductor Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000005468 ion implantation Methods 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 29
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011737 fluorine Substances 0.000 claims abstract description 17
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 17
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 17
- -1 fluorine ions Chemical class 0.000 claims abstract description 15
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 125000005843 halogen group Chemical group 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910008284 Si—F Inorganic materials 0.000 claims description 4
- 229910021332 silicide Inorganic materials 0.000 claims description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 4
- 229910008310 Si—Ge Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 2
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 239000000969 carrier Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 229910019001 CoSi Inorganic materials 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 150000001793 charged compounds Chemical class 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000005527 interface trap Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Classifications
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- 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
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (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 (10)
- 웰 영역이 형성된 반도체 기판을 제공하는 단계;상기 반도체 기판에 형성된 상기 웰 영역 중 채널 영역이 형성될 영역에 게르마늄과 불소 이온을 주입시키는 단계;상기 게르마늄과 상기 불소 이온이 주입된 상기 반도체 기판 상에 게이트 절연막을 형성하는 단계;상기 게이트 절연막 상에 도전막을 증착하는 단계;상기 도전막 및 상기 게이트 절연막을 식각하여 상기 반도체 기판상에 게이트 전극을 형성하는 단계; 및상기 게이트 전극의 양측으로 노출된 상기 웰 영역 내에 소오스/드레인 영역을 형성하는 단계;를 포함하며,상기 게르마늄과 상기 반도체 기판의 실리콘 사이에는 결정격자 결합(Si-Ge bond)이 이루어지며,상기 불소 이온은 상기 반도체 기판 및 상기 게이트 절연막 간의 계면에 Si-F 본드를 형성하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 게르마늄과 상기 불소 이온을 주입하는 공정은 상기 게르마늄 대비 상기 불소 이온의 비율을 1:2로하여 실시하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 2 항에 있어서,상기 게르마늄과 상기 불소 이온을 주입하는 공정은 30 내지 200KeV의 에너지로 1.0E12 내지 5.0E14 atoms/㎠ 도즈량으로 실시하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 2 항에 있어서,상기 게르마늄과 상기 불소 이온을 주입하는 공정은 1 내지 60°의 경사각을 갖도록 실시하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 2 항에 있어서,상기 게르마늄과 상기 불소 이온을 주입하는 공정은 상기 게르마늄과 상기 불소 이온을 주입한 후, 열처리를 더 실시하는 반도체 소자의 제조방법.
- 제 5 항에 있어서,상기 열처리는 RTP 또는 퍼니스 장비를 이용하여 질소 분위기의 챔버 내에서 실시하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 2 항에 있어서,상기 게이트 절연막은 산화공정을 실시하여 산화막으로 형성하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 2 항에 있어서,상기 소오스/드레인 영역은 저농도 접합영역과 고농도 접합영역으로 이루어진 반도체 소자의 제조방법.
- 제 8 항에 있어서,상기 저농도 접합영역은 LDD 이온주입 공정 및 Halo 이온주입 공정을 실시하여 형성하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 2 항에 있어서,상기 소오스/드레인 영역을 형성한 후, 상기 게이트 전극 및 상기 소오스/드레인 영역의 상부에 금속 실리사이드층을 형성하는 단계를 더 포함하는 반도체 소자의 제조방법.
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KR1020050025833A KR101128699B1 (ko) | 2005-03-29 | 2005-03-29 | 반도체 소자의 제조방법 |
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KR1020050025833A KR101128699B1 (ko) | 2005-03-29 | 2005-03-29 | 반도체 소자의 제조방법 |
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KR20060104026A KR20060104026A (ko) | 2006-10-09 |
KR101128699B1 true KR101128699B1 (ko) | 2012-03-26 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990057084A (ko) * | 1997-12-29 | 1999-07-15 | 구본준 | 반도체 소자 및 그의 제조방법 |
KR20010056097A (ko) * | 1999-12-14 | 2001-07-04 | 박종섭 | 반도체 소자 및 그 제조방법 |
JP2001326349A (ja) * | 2000-05-16 | 2001-11-22 | Toshiba Corp | 半導体装置の製造方法 |
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2005
- 2005-03-29 KR KR1020050025833A patent/KR101128699B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990057084A (ko) * | 1997-12-29 | 1999-07-15 | 구본준 | 반도체 소자 및 그의 제조방법 |
KR20010056097A (ko) * | 1999-12-14 | 2001-07-04 | 박종섭 | 반도체 소자 및 그 제조방법 |
JP2001326349A (ja) * | 2000-05-16 | 2001-11-22 | Toshiba Corp | 半導体装置の製造方法 |
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