KR100290778B1 - 반도체소자의게이트 형성방법 - Google Patents
반도체소자의게이트 형성방법 Download PDFInfo
- Publication number
- KR100290778B1 KR100290778B1 KR1019980024219A KR19980024219A KR100290778B1 KR 100290778 B1 KR100290778 B1 KR 100290778B1 KR 1019980024219 A KR1019980024219 A KR 1019980024219A KR 19980024219 A KR19980024219 A KR 19980024219A KR 100290778 B1 KR100290778 B1 KR 100290778B1
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- KR
- South Korea
- Prior art keywords
- film
- gate
- semiconductor device
- forming
- hard mask
- 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
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- 230000015572 biosynthetic process Effects 0.000 title claims description 4
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 20
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 14
- 229920005591 polysilicon Polymers 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000007669 thermal treatment Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract 2
- 238000003475 lamination Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 description 12
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 239000010936 titanium Substances 0.000 description 4
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 4
- 229910021342 tungsten silicide Inorganic materials 0.000 description 4
- 238000000059 patterning Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/663—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a silicide layer contacting the layer of silicon, e.g. polycide gates
-
- 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
- H01L21/28097—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 a metallic silicide
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—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
- H01L21/02112—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
- 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
- H01L21/02164—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 being a silicon oxide, e.g. SiO2
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—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
- H01L21/02112—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
- 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
- H01L21/0217—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 being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (7)
- 반도체 소자의 제조방법에 있어서,상기반도체소자를 위한, 폴리실리콘 형태의 제 1막과, 실리사이드물질이 포함된 제 2막과, 하드마스크를 위한 제 3막을 순차적으로 포함하도록 적층하는 제 1단계;상기 단계를 거친 상기 반도체소자를 위한 기판을 열처리하는 제 2단계;상기 단계에 의해 열처리된 상기 기판에 마스크패턴을 형성하는 제 3단계; 및,상기 단계에 의해 형성된 마스크에 따라 식각하여 상기 반도체소자의 게이트를 형성하는 제 4단계를 포함하느 것을 특징으로 하는, 반도체소자의 게이트 형성방법
- 제 1 항에 있어서, 상기 제 2단계는NxOyHz 물질의 개스를 이용하여 열처리하는 것을 특징으로 하는, 반도체소자의 게이트 형성방법.단, 여기서 x, y, z 의 값은 0 내지 4이다.
- 제 1 항 또는 제 2 항에 있어서, 상기 2단계는 노 튜브를 이용하여 열처리하는 것을 특징으로 하는, 반도체소자의 게이트 형성방법.
- 제 3 항에 있어서, 상기 제 2단계는 350 내지 550℃의 온도에서 30분 내지 2시간 동안 진행하는 것을 특징으로 하는 반도체소자의 게이트 형성방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 제 2단계는 급속열처리로 열처리하는 것을 특징으로 하는 반도체소자의 게이트 형성방법.
- 제 5 항에 있어서, 상기 제 2단계는 650 내지 900℃의 온도에서 20 내지 40초 동안 진행하는 것을 특징으로 하는 반도체소자의 게이트 형성방법.
- 제 1 항에 있어서, 상기 제 3단계는 SiO2막 또는 Si3N4막 종류의 산화막, Ti막 또는 TiN막 종류의 Ti계막 중 하나로 상기 마스크패턴을 형성하는 단계인 것을 특징으로 하는, 반도체소자의 게이트 형성방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980024219A KR100290778B1 (ko) | 1998-06-25 | 1998-06-25 | 반도체소자의게이트 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980024219A KR100290778B1 (ko) | 1998-06-25 | 1998-06-25 | 반도체소자의게이트 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000003107A KR20000003107A (ko) | 2000-01-15 |
KR100290778B1 true KR100290778B1 (ko) | 2001-06-01 |
Family
ID=19540849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980024219A Expired - Fee Related KR100290778B1 (ko) | 1998-06-25 | 1998-06-25 | 반도체소자의게이트 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100290778B1 (ko) |
-
1998
- 1998-06-25 KR KR1019980024219A patent/KR100290778B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20000003107A (ko) | 2000-01-15 |
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