KR100872801B1 - 플라스마 질화법을 이용한 반도체 소자의 금속 실리사이드형성 방법 - Google Patents
플라스마 질화법을 이용한 반도체 소자의 금속 실리사이드형성 방법 Download PDFInfo
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- KR100872801B1 KR100872801B1 KR1020070073333A KR20070073333A KR100872801B1 KR 100872801 B1 KR100872801 B1 KR 100872801B1 KR 1020070073333 A KR1020070073333 A KR 1020070073333A KR 20070073333 A KR20070073333 A KR 20070073333A KR 100872801 B1 KR100872801 B1 KR 100872801B1
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- Prior art keywords
- thin film
- film
- metal silicide
- metal
- silicide
- Prior art date
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- 229910021332 silicide Inorganic materials 0.000 title claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 38
- 239000002184 metal Substances 0.000 title claims abstract description 38
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000004065 semiconductor Substances 0.000 title abstract description 7
- 230000015572 biosynthetic process Effects 0.000 title description 3
- 239000010408 film Substances 0.000 claims abstract description 35
- 239000010409 thin film Substances 0.000 claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- 150000004767 nitrides Chemical class 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 16
- 239000010941 cobalt Substances 0.000 claims description 16
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000003064 anti-oxidating effect Effects 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 238000005121 nitriding Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 19
- 239000003963 antioxidant agent Substances 0.000 abstract description 2
- 230000003078 antioxidant effect Effects 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 16
- 238000003917 TEM image Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004151 rapid thermal annealing Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 229920005591 polysilicon Polymers 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
- 238000007740 vapor deposition Methods 0.000 description 1
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Classifications
-
- 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
- H01L21/28518—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 the conductive layers comprising silicides
-
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
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- 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)
- 실리콘 기판상에 질화물 박막을 형성하고, 상기 질화물 박막 상에 금속 박막을 형성하고, 형성된 박막을 열처리하여 금속 실리사이드를 형성함에 있어서,상기 질화물 박막을 플라스마 질화법을 통해 형성하며,상기 금속 박막 상에는 열처리 과정에 따른 산화를 방지하기 위한 티타늄(Ti) 산화 방지막을 형성하되, 상기 티타늄 산화 방지막은 상기 금속 박막 증착 후 공기 노출 후에 형성하는 것을 특징으로 하는 금속 실리사이드 제조방법.
- 제 1 항에 있어서, 상기 플라스마는 암모니아 플라스마인 것을 특징으로 하는 금속 실리사이드 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 금속 박막은 PVD 또는 CVD법에 의해 형성되는 것을 특징으로 하는 금속 실리사이드 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 금속 박막은 코발트(Co), 니켈(Ni), 또는 티타늄(Ti)으로 이루어진 것을 특징으로 하는 금속 실리사이드 제조방법.
- 삭제
- 제 1 항 또는 제 2 항에 있어서, 상기 열처리는 700 ~ 900℃의 온도범위에서 실시하는 것을 특징으로 하는 금속 실리사이드 제조방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070073333A KR100872801B1 (ko) | 2007-07-23 | 2007-07-23 | 플라스마 질화법을 이용한 반도체 소자의 금속 실리사이드형성 방법 |
Applications Claiming Priority (1)
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KR1020070073333A KR100872801B1 (ko) | 2007-07-23 | 2007-07-23 | 플라스마 질화법을 이용한 반도체 소자의 금속 실리사이드형성 방법 |
Publications (1)
Publication Number | Publication Date |
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KR100872801B1 true KR100872801B1 (ko) | 2008-12-09 |
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Family Applications (1)
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KR1020070073333A KR100872801B1 (ko) | 2007-07-23 | 2007-07-23 | 플라스마 질화법을 이용한 반도체 소자의 금속 실리사이드형성 방법 |
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KR (1) | KR100872801B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040075556A (ko) * | 2003-02-21 | 2004-08-30 | 주식회사 하이닉스반도체 | 에피택셜 c49상의 티타늄실리사이드막을 갖는 반도체소자및 그 제조 방법 |
-
2007
- 2007-07-23 KR KR1020070073333A patent/KR100872801B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040075556A (ko) * | 2003-02-21 | 2004-08-30 | 주식회사 하이닉스반도체 | 에피택셜 c49상의 티타늄실리사이드막을 갖는 반도체소자및 그 제조 방법 |
Non-Patent Citations (1)
Title |
---|
H Lee et al., App. Phy. Lett., vol.90, 213509 (2007).* |
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