KR100831673B1 - 희생 산화물층을 도입한 게이트 형성 방법 - Google Patents
희생 산화물층을 도입한 게이트 형성 방법 Download PDFInfo
- Publication number
- KR100831673B1 KR100831673B1 KR1020060024518A KR20060024518A KR100831673B1 KR 100831673 B1 KR100831673 B1 KR 100831673B1 KR 1020060024518 A KR1020060024518 A KR 1020060024518A KR 20060024518 A KR20060024518 A KR 20060024518A KR 100831673 B1 KR100831673 B1 KR 100831673B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide layer
- sacrificial oxide
- polysilicon layer
- layer
- ozone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 60
- 229920005591 polysilicon Polymers 0.000 claims abstract description 59
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000005468 ion implantation Methods 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 abstract description 29
- 238000007254 oxidation reaction Methods 0.000 abstract description 29
- 239000007789 gas Substances 0.000 abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 19
- 239000002019 doping agent Substances 0.000 description 10
- 238000011109 contamination Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000004380 ashing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010849 ion bombardment Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
Images
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
- H01L21/28—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
- H01L21/28158—Making the insulator
- H01L21/28238—Making the insulator with sacrificial oxide
-
- 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
- H01L21/266—Bombardment with radiation with high-energy radiation producing ion implantation using masks
-
- 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
- H01L21/28—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
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Formation Of Insulating Films (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
- 삭제
- 반도체 기판 상에 폴리 실리콘층을 형성하는 단계;상기 반도체 기판을 회전하는 단계;상기 폴리 실리콘층 표면에 순수를 분사하는 단계;상기 순수의 제공과 함께 오존 가스를 분사하여 상기 폴리 실리콘층 표면을 습식 오존 산화하여 희생 산화물층을 형성하는 단계;상기 희생 산화물층 상에 이온 주입 마스크를 형성하고 선택적 이온 주입을 수행하는 단계;상기 이온 주입 마스크 및 상기 희생 산화물층을 제거하는 단계; 및상기 폴리 실리콘층 표면 상에 금속층을 형성하는 단계를 포함하는 것을 특징으로 하는 게이트 형성 방법.
- 제2항에 있어서,상기 순수는 상온 내지 90℃의 온도로 제공되는 것을 특징으로 하는 게이트 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060024518A KR100831673B1 (ko) | 2006-03-16 | 2006-03-16 | 희생 산화물층을 도입한 게이트 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060024518A KR100831673B1 (ko) | 2006-03-16 | 2006-03-16 | 희생 산화물층을 도입한 게이트 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070094193A KR20070094193A (ko) | 2007-09-20 |
KR100831673B1 true KR100831673B1 (ko) | 2008-05-22 |
Family
ID=38688129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060024518A Expired - Fee Related KR100831673B1 (ko) | 2006-03-16 | 2006-03-16 | 희생 산화물층을 도입한 게이트 형성 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100831673B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08316121A (ja) * | 1995-05-17 | 1996-11-29 | Fujitsu Ltd | レジストパターン形成方法 |
KR100272264B1 (ko) * | 1996-12-30 | 2000-12-01 | 김영환 | 반도체 소자의 제조방법 |
-
2006
- 2006-03-16 KR KR1020060024518A patent/KR100831673B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08316121A (ja) * | 1995-05-17 | 1996-11-29 | Fujitsu Ltd | レジストパターン形成方法 |
KR100272264B1 (ko) * | 1996-12-30 | 2000-12-01 | 김영환 | 반도체 소자의 제조방법 |
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Publication number | Publication date |
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KR20070094193A (ko) | 2007-09-20 |
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