KR20020011265A - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
- Publication number
- KR20020011265A KR20020011265A KR1020000044642A KR20000044642A KR20020011265A KR 20020011265 A KR20020011265 A KR 20020011265A KR 1020000044642 A KR1020000044642 A KR 1020000044642A KR 20000044642 A KR20000044642 A KR 20000044642A KR 20020011265 A KR20020011265 A KR 20020011265A
- Authority
- KR
- South Korea
- Prior art keywords
- polysilicon layer
- layer
- polysilicon
- film
- silicon nitride
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 101
- 229920005591 polysilicon Polymers 0.000 claims abstract description 100
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 43
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- -1 nitrogen ions Chemical class 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 239000010936 titanium Substances 0.000 abstract description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 11
- 229910017052 cobalt Inorganic materials 0.000 abstract description 10
- 239000010941 cobalt Substances 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 229910052719 titanium Inorganic materials 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract description 2
- 229910052581 Si3N4 Inorganic materials 0.000 abstract 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract 5
- 239000003870 refractory metal Substances 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 94
- 239000013078 crystal Substances 0.000 description 16
- 229910021341 titanium silicide Inorganic materials 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000013169 thromboelastometry Methods 0.000 description 2
- 238000004627 transmission electron microscopy Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Classifications
-
- 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
- H01L29/4925—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 with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement
- H01L29/4941—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 with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement with a barrier layer between the silicon and the metal or metal silicide upper layer, e.g. Silicide/TiN/Polysilicon
-
- 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
- H01L21/04—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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28556—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by chemical means, e.g. CVD, LPCVD, PECVD, laser CVD
-
- 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)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
Description
Claims (6)
- 반도체 기판상에 절연막을 형성하는 단계;상기 절연막상에 제 1 폴리 실리콘층을 형성하는 단계;상기 반도체 기판에 질소 이온을 주입하여 제 1 폴리 실리콘층상에 SiN층을 형성하는 단계;상기 SiN층상에 제 2 폴리 실리콘층을 형성하는 단계;상기 제 2 폴리 실리콘층상에 고융점 금속막을 형성하는 단계;상기 반도체 기판에 열처리를 실시하여 상기 제 2 폴리 실리콘층과 고융점 금속막을 반응시키어 금속 실리사이드막을 형성하는 단계를 포함하여 형성함을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 1, 제 2 폴리 실리콘층 및 SiN층은 동일 노에서 형성함을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 2 폴리 실리콘층은 제 1 폴리 실리콘층보다 낮은 온도에 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 1 폴리 실리콘층은 600 ~ 640℃의 온도, 200 ~700㏄/min 유량의 SiH4가스 플로우, 20 ~ 80 파스칼의 공정압력에서 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 2 폴리 실리콘층은 노 내부의 압력을 10 파스칼 이하로 만든 다음에 200 ~ 700㏄/min 유량의 SiH4가스 플로우, 20 ~ 80 파스칼의 공정압력으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 SiN층은 질소 가스(N2)를 20 ~ 2000㏄/min 유량의 가스 플로우로 주입하여 100Å 이하의 두께로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20000044642A KR100370156B1 (ko) | 2000-08-01 | 2000-08-01 | 반도체 소자의 제조방법 |
JP2001119558A JP2002057124A (ja) | 2000-08-01 | 2001-04-18 | 半導体素子の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20000044642A KR100370156B1 (ko) | 2000-08-01 | 2000-08-01 | 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020011265A true KR20020011265A (ko) | 2002-02-08 |
KR100370156B1 KR100370156B1 (ko) | 2003-01-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR20000044642A KR100370156B1 (ko) | 2000-08-01 | 2000-08-01 | 반도체 소자의 제조방법 |
Country Status (2)
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JP (1) | JP2002057124A (ko) |
KR (1) | KR100370156B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1303651C (zh) * | 2003-07-16 | 2007-03-07 | 旺宏电子股份有限公司 | 自对准接触窗形成方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2707582B2 (ja) * | 1988-03-31 | 1998-01-28 | ソニー株式会社 | 半導体装置 |
JPH05291567A (ja) * | 1992-04-14 | 1993-11-05 | Toshiba Corp | 半導体装置及びその製造方法 |
KR950009283B1 (ko) * | 1992-08-24 | 1995-08-18 | 삼성전자주식회사 | 반도체장치의 제조방법 |
JP3440698B2 (ja) * | 1996-06-24 | 2003-08-25 | ソニー株式会社 | 半導体装置の製造方法 |
JPH10125617A (ja) * | 1996-10-21 | 1998-05-15 | Nec Corp | 半導体装置の製造方法 |
JP3063703B2 (ja) * | 1997-09-29 | 2000-07-12 | 日本電気株式会社 | Mos型半導体装置およびその製造方法 |
JPH11274097A (ja) * | 1998-03-20 | 1999-10-08 | Sony Corp | 半導体装置の製造方法 |
JPH11312803A (ja) * | 1998-04-28 | 1999-11-09 | Sony Corp | 半導体装置の製造方法 |
-
2000
- 2000-08-01 KR KR20000044642A patent/KR100370156B1/ko active IP Right Grant
-
2001
- 2001-04-18 JP JP2001119558A patent/JP2002057124A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2002057124A (ja) | 2002-02-22 |
KR100370156B1 (ko) | 2003-01-30 |
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