KR100760949B1 - 반도체 소자의 형성 방법 - Google Patents
반도체 소자의 형성 방법 Download PDFInfo
- Publication number
- KR100760949B1 KR100760949B1 KR1020010085153A KR20010085153A KR100760949B1 KR 100760949 B1 KR100760949 B1 KR 100760949B1 KR 1020010085153 A KR1020010085153 A KR 1020010085153A KR 20010085153 A KR20010085153 A KR 20010085153A KR 100760949 B1 KR100760949 B1 KR 100760949B1
- Authority
- KR
- South Korea
- Prior art keywords
- substrate
- contact
- isolation oxide
- forming
- region
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004065 semiconductor Substances 0.000 title abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000002955 isolation Methods 0.000 claims abstract description 25
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 16
- 229920005591 polysilicon Polymers 0.000 claims abstract description 16
- 238000005530 etching Methods 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims abstract description 7
- 229920002120 photoresistant polymer Polymers 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 13
- 239000011229 interlayer Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (3)
- 기판의 소정 영역에 트렌치형의 격리 산화막을 형성하는 단계;상기 격리 산화막의 표면 일부 영역을 제거하여 폴리 게이트 형성 영역을 정의하는 단계;상기 격리 산화막이 제거된 영역을 포함하여 기판 전면에 폴리 실리콘층을 증착하고 선택적으로 제거하여 상기 격리 산화막 내에는 기판 표면과 동일한 높이로 증착되는 폴리 게이트를 형성하는 단계;상기 폴리 게이트를 포함한 기판상에 절연막을 전면 증착하고 이를 선택적으로 제거하여 상기 폴리 게이트와의 콘택 영역을 형성함을 특징으로 하는 반도체 소자의 형성 방법.
- 제 1항에 있어서, 상기 폴리 게이트 형성 영역을 정의하는 단계는감광막을 기판 전면에 증착하는 단계;노광 공정을 통해 상기 격리 산화막 일부를 노출시키는 형태로 감광막 패턴을 형성하는 단계;상기 감광막 패턴대로 상기 격리 산화막을 식각하는 단계를 포함하여 이루어짐을 특징으로 하는 반도체 소자의 형성 방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010085153A KR100760949B1 (ko) | 2001-12-26 | 2001-12-26 | 반도체 소자의 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010085153A KR100760949B1 (ko) | 2001-12-26 | 2001-12-26 | 반도체 소자의 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030054747A KR20030054747A (ko) | 2003-07-02 |
KR100760949B1 true KR100760949B1 (ko) | 2007-09-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010085153A KR100760949B1 (ko) | 2001-12-26 | 2001-12-26 | 반도체 소자의 형성 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100760949B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000164497A (ja) * | 1998-11-26 | 2000-06-16 | Nec Corp | 半導体装置及びその製造方法 |
JP2000195969A (ja) * | 1998-12-28 | 2000-07-14 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
KR20010037791A (ko) * | 1999-10-20 | 2001-05-15 | 정주호 | 자동차의 소음기 |
-
2001
- 2001-12-26 KR KR1020010085153A patent/KR100760949B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000164497A (ja) * | 1998-11-26 | 2000-06-16 | Nec Corp | 半導体装置及びその製造方法 |
JP2000195969A (ja) * | 1998-12-28 | 2000-07-14 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
KR20010037791A (ko) * | 1999-10-20 | 2001-05-15 | 정주호 | 자동차의 소음기 |
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Publication number | Publication date |
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KR20030054747A (ko) | 2003-07-02 |
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