KR100871355B1 - 반도체소자의 보론 침투 방지방법 - Google Patents
반도체소자의 보론 침투 방지방법 Download PDFInfo
- Publication number
- KR100871355B1 KR100871355B1 KR1020020036761A KR20020036761A KR100871355B1 KR 100871355 B1 KR100871355 B1 KR 100871355B1 KR 1020020036761 A KR1020020036761 A KR 1020020036761A KR 20020036761 A KR20020036761 A KR 20020036761A KR 100871355 B1 KR100871355 B1 KR 100871355B1
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- Prior art keywords
- amorphous silicon
- layer
- silicon layer
- gate oxide
- column
- Prior art date
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- 230000035515 penetration Effects 0.000 title claims abstract description 18
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 20
- 229920005591 polysilicon Polymers 0.000 claims abstract description 20
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 7
- 238000000059 patterning Methods 0.000 claims abstract description 3
- 230000002265 prevention Effects 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 3
- 238000005468 ion implantation Methods 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 150000002500 ions Chemical class 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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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
- H01L21/28026—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
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
-
- 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
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (5)
- 반도체 기판상에 게이트 산화막을 형성하는 단계;상기 게이트 산화막 상에 버퍼층인 비정질 실리콘층을 먼저 증착하는 단계;상기 비정질 실리콘층을 게이트 산화막 상에 증착한 후, 컬럼나 폴리실리콘층을 상기 비정질 실리콘층 상에 증착하는 단계;상기 컬럼나 폴리실리콘층 및 비정질 실리콘층을 순차적으로 패터닝하여 게이트 전극을 형성하는 단계;상기 게이트 전극을 포함한 전체 구조의 상면에 이온주입을 수행하는 단계; 및상기 컬럼나 폴리실리콘층으로부터 상기 게이트 산화막으로 이온 확산을 방지하기 위해 어닐링 공정을 수행하여 상기 반도체 기판내에 소오스/드레인을 형성 및 상기 컬럼나 폴리실리콘층 하부에 배치된 상기 비정질 실리콘층의 그레인 사이즈가 증가되도록 폴리실리콘층으로 재결정화하는 단계를 포함하는 것을 특징으로 하는 반도체소자의 보론침투 방지방법.
- 제1항에 있어서, 상기 비정질실리콘층은 50 내지 500 Å 두께로 형성하는 것을 특징으로하는 반도체소자의 보론침투 방지방법.
- 제1항에 있어서, 상기 비정질실리콘층은 500 내지 580℃ 온도에서 증착하는 것을 특징으로하는 반도체소자의 보론침투 방지방법.
- 제3항에 있어서, 비정질실리콘층 증착후 N2분위기에서 온도를 600 내지 650 ℃로 상승시켜 컬럼나 폴리실리콘층을 형성하는 것을 특징으로하는 반도체소자의 보론침투 방지방법.
- 제4항에 있어서, 온도를 높이는 과정에서 압력은 1 Torr 미만으로하여 온도를 상승시키는 것을 특징으로하는 반도체소자의 보론침투 방지방법.
Priority Applications (1)
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KR1020020036761A KR100871355B1 (ko) | 2002-06-28 | 2002-06-28 | 반도체소자의 보론 침투 방지방법 |
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KR1020020036761A KR100871355B1 (ko) | 2002-06-28 | 2002-06-28 | 반도체소자의 보론 침투 방지방법 |
Publications (2)
Publication Number | Publication Date |
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KR20040001529A KR20040001529A (ko) | 2004-01-07 |
KR100871355B1 true KR100871355B1 (ko) | 2008-12-02 |
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KR1020020036761A KR100871355B1 (ko) | 2002-06-28 | 2002-06-28 | 반도체소자의 보론 침투 방지방법 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100741881B1 (ko) * | 2004-12-30 | 2007-07-23 | 동부일렉트로닉스 주식회사 | 시모스 이미지 센서의 트랜지스터 및 그의 제조방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20010076840A (ko) * | 2000-01-28 | 2001-08-16 | 박종섭 | 실리사이드 형성방법 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20010076840A (ko) * | 2000-01-28 | 2001-08-16 | 박종섭 | 실리사이드 형성방법 |
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