KR100604587B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR100604587B1 KR100604587B1 KR1019990061784A KR19990061784A KR100604587B1 KR 100604587 B1 KR100604587 B1 KR 100604587B1 KR 1019990061784 A KR1019990061784 A KR 1019990061784A KR 19990061784 A KR19990061784 A KR 19990061784A KR 100604587 B1 KR100604587 B1 KR 100604587B1
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- film
- conductive layer
- chemical mechanical
- mechanical polishing
- layer
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 25
- 150000004767 nitrides Chemical class 0.000 claims abstract description 21
- 238000007517 polishing process Methods 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 55
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 18
- 229920005591 polysilicon Polymers 0.000 claims description 18
- 238000005498 polishing Methods 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 2
- 239000011268 mixed slurry Substances 0.000 claims description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 238000000059 patterning Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/02129—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being boron or phosphorus doped silicon oxides, e.g. BPSG, BSG or PSG
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- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
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- 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
- H01L21/28044—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 the conductor comprising at least another non-silicon conductive layer
- H01L21/28052—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 the conductor comprising at least another non-silicon conductive layer the conductor comprising a silicide layer formed by the silicidation reaction of silicon with a metal layer
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- 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
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- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
도 1b를 참조하면, 콘택 홀(17)이 매립되도록 플러그용 폴리실리콘층(18)을 형성한다.
Claims (8)
- 반도체 기판 상부에 폴리사이드층, 질화막 및 실리콘이 다량함유된 산화질화막을 순차적으로 형성한 후 패터닝하여 다수의 도전층 패턴을 형성하는 단계;상기 도전층 패턴이 형성된 전체 구조 상부에 층간 절연막을 형성한 후 1 차 화학적 기계적 연마공정을 실시하는 단계;상기 층간 절연막의 소정 영역을 식각하여 상기 도전층 패턴의 일부 및 상기 반도체 기판이 노출되도록 콘택홀을 형성한 후 상기 콘택 홀에 플러그용 폴리실리콘층을 매립하는 단계; 및상기 질화막이 노출될 때까지 2차 화학적 기계적 연마 공정을 실시하여 상기 각 도전층 패턴 사이에 독립적으로 플러그가 형성되도록 하는 단계를 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 폴리사이드층은 도프트 폴리실리콘층과 텅스텡실리사이드층으로 이루어진 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 질화막은 300 내지 600℃의 온도에서 3000 내지 5000Å 두께로 형성하며, PECVD 방법 또는 LPCVD방법 중 어느 하나의 방법으로 형성하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 실리콘이 다량함유된 산화질화막은 300 내지 600℃의 온도에서 500 내지 2500Å 두께로 형성하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 층간절연막은 BPSG막, HDP-PSG막, HDP-USG막, SOG막 및 APL막 중 어느 하나로 이루어지는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 질화막 증착전 도전층 패턴상에 완충 산화막으로 USG막을 300 내지 600℃의 온도에서 100 내지 1000Å 두께로 형성하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 1 차 화학적 기계적 연마공정은 상기 도전층 패턴으로 부터 층간절연막이 900 내지 1100Å 두께가 될때까지 실시하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 2차 화학적 기계적 연마공정은 폴리실리콘계 슬러리 또는 옥사이드계 슬러리 중 어느 하나의 슬러리를 이용하거나, 폴리실리콘계 및 옥사이드계 혼합 슬러리를 이용하거나, 슬러리-리스 패드를 적용하여 실시하는 반도체 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019990061784A KR100604587B1 (ko) | 1999-12-24 | 1999-12-24 | 반도체 소자의 제조방법 |
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Application Number | Priority Date | Filing Date | Title |
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KR1019990061784A KR100604587B1 (ko) | 1999-12-24 | 1999-12-24 | 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20010063708A KR20010063708A (ko) | 2001-07-09 |
KR100604587B1 true KR100604587B1 (ko) | 2006-07-25 |
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KR1019990061784A Expired - Fee Related KR100604587B1 (ko) | 1999-12-24 | 1999-12-24 | 반도체 소자의 제조방법 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR19980036987A (ko) * | 1996-11-20 | 1998-08-05 | 문정환 | 반도체장치의 다층배선 형성방법 |
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- 1999-12-24 KR KR1019990061784A patent/KR100604587B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980036987A (ko) * | 1996-11-20 | 1998-08-05 | 문정환 | 반도체장치의 다층배선 형성방법 |
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