KR100466962B1 - 폴리실리콘 박막트랜지스터의 제조방법 - Google Patents
폴리실리콘 박막트랜지스터의 제조방법 Download PDFInfo
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- KR100466962B1 KR100466962B1 KR10-2001-0086422A KR20010086422A KR100466962B1 KR 100466962 B1 KR100466962 B1 KR 100466962B1 KR 20010086422 A KR20010086422 A KR 20010086422A KR 100466962 B1 KR100466962 B1 KR 100466962B1
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- South Korea
- Prior art keywords
- layer
- substrate
- amorphous silicon
- thin film
- film transistor
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- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000010409 thin film Substances 0.000 title claims description 26
- 229920001296 polysiloxane Polymers 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 39
- 229920005591 polysilicon Polymers 0.000 claims abstract description 39
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 38
- 238000002425 crystallisation Methods 0.000 claims abstract description 30
- 230000003197 catalytic effect Effects 0.000 claims abstract description 29
- 230000008025 crystallization Effects 0.000 claims abstract description 28
- 239000007769 metal material Substances 0.000 claims abstract description 27
- 239000002923 metal particle Substances 0.000 claims abstract description 24
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 238000000151 deposition Methods 0.000 claims abstract description 23
- 238000004544 sputter deposition Methods 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 86
- 238000000034 method Methods 0.000 claims description 53
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 230000008021 deposition Effects 0.000 claims description 11
- 150000002500 ions Chemical class 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000010408 film Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 3
- 238000005137 deposition process Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- KMTYGNUPYSXKGJ-UHFFFAOYSA-N [Si+4].[Si+4].[Ni++] Chemical compound [Si+4].[Si+4].[Ni++] KMTYGNUPYSXKGJ-UHFFFAOYSA-N 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02672—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using crystallisation enhancing elements
-
- 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
- H01L21/2855—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 physical means, e.g. sputtering, evaporation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0314—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral top-gate TFTs comprising only a single gate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6731—Top-gate only TFTs
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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Recrystallisation Techniques (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 비정질 실리콘층이 형성된 기판과;촉매 금속물질로 이루어진 타깃(target)과, 상기 타깃과 수직을 이루는 긴관 모양의 홀을 다수 개 가지는 쉴드 마스크(shield mask)를 포함하는 스퍼터링(sputtering) 장치를 구비하는 단계와;상기 스퍼터링 장치를 이용하여, 상기 쉴드 마스크가 개재된 상태에서, 상기 기판의 비정질 실리콘층 상에 촉매 금속입자 들을 증착하는 단계와;상기 촉매 금속입자 들을 결정화 촉매로 이용하여, 상기 비정질 실리콘층을 결정화하는 단계를 포함하며, 상기 쉴드 마스크는, 상기 기판 상에 증착되는 촉매 금속입자들을 극미량으로 고르게 분포시키는 수단인 것을 특징으로 하는 폴리실리콘층의 제조방법.
- 제 1 항에 있어서,상기 기판과 비정질 실리콘층 사이에는 버퍼층을 포함하는 폴리실리콘층의 제조방법.
- 제 1 항에 있어서,상기 버퍼층은 실리콘 산화막(SiOx)으로 이루어진 폴리실리콘층의 제조방법.
- 제 1 항에 있어서,상기 촉매 금속물질은 니켈(Ni), 납(Pb), 코발트(Co) 중 어느 하나인 폴리실리콘층의 제조방법.
- 제 1 항에 있어서,상기 촉매 금속입자는 상기 타깃으로부터 직진성을 가지고 이탈되는 스퍼터링 입자의 증착을 통해 이루어진 것인 폴리실리콘층의 제조방법.
- 제 1 항에 있어서,상기 비정질 실리콘층을 결정화 공정은, 열 에너지 및 전기장을 이용하는 FE-MIC(Field Enhanced Metal Induced Crystallization) 방법에 의한 것인 폴리실리콘층의 제조방법.
- 제 1 항에 있어서,상기 촉매 금속입자를 증착하는 단계는, 아르곤(Ar), 질소(N2) 중 어느 한 반응 가스 분위기에서 이루어지는 폴리실리콘층의 제조방법.
- 제 1 항에 의한 폴리실리콘층의 제조방법을 포함하는 박막트랜지스터의 제조방법.
- 제 8 항에 있어서,상기 박막트랜지스터의 제조 단계에서는, 상기 폴리실리콘층을 액티브층으로 패터닝하는 단계와, 상기 액티브층 중앙부에 게이트 절연막, 게이트 전극을 차례대로 형성하는 단계와, 상기 게이트 전극을 이온 스타퍼(ion-stopper)로 이용하여 액티브층의 양측 노출부를 이온 도핑하여 제 1, 2 오믹 콘택층으로 이용하는 단계와, 상기 제 1, 2 오믹 콘택층의 일부를 노출시키는 제 1, 2 콘택홀을 가지는 층간 절연층을 형성하는 단계와; 상기 제 1, 2 콘택홀을 통해 제 1, 2 오믹 콘택층과 연결되는 소스 및 드레인 전극을 각각 형성하는 단계를 포함하는 박막트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 증착하는 단계 이전에, 상기 스퍼터링 장치 내에 상기 쉴드 마스크와 일정간격 대향되게 상기 기판을 안치시키는 단계를 더 포함하는 폴리실리콘층의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2001-0086422A KR100466962B1 (ko) | 2001-12-27 | 2001-12-27 | 폴리실리콘 박막트랜지스터의 제조방법 |
Applications Claiming Priority (1)
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KR10-2001-0086422A KR100466962B1 (ko) | 2001-12-27 | 2001-12-27 | 폴리실리콘 박막트랜지스터의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030056247A KR20030056247A (ko) | 2003-07-04 |
KR100466962B1 true KR100466962B1 (ko) | 2005-01-24 |
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Family Applications (1)
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KR10-2001-0086422A Expired - Fee Related KR100466962B1 (ko) | 2001-12-27 | 2001-12-27 | 폴리실리콘 박막트랜지스터의 제조방법 |
Country Status (1)
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KR (1) | KR100466962B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100701449B1 (ko) * | 2005-08-04 | 2007-03-30 | 주식회사 에이브이엠에스 | 실리콘 저온 결정화를 위한 금속촉매 도핑장치 및 이를이용한 도핑 방법 |
KR101007665B1 (ko) * | 2008-07-04 | 2011-01-13 | (주)이루자 | 금속촉매도핑장비 및 도핑방법과 이를 이용한평판표시장치제조방법 |
KR100968874B1 (ko) * | 2008-07-15 | 2010-07-09 | (주)이루자 | 금속촉매도핑장비 및 도핑방법과 이를 이용한평판표시장치제조방법 |
KR101073557B1 (ko) | 2009-11-24 | 2011-10-14 | 삼성모바일디스플레이주식회사 | 스퍼터링 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4824544A (en) * | 1987-10-29 | 1989-04-25 | International Business Machines Corporation | Large area cathode lift-off sputter deposition device |
JPH04221817A (ja) * | 1990-12-21 | 1992-08-12 | Semiconductor Energy Lab Co Ltd | 半導体膜作製方法 |
KR20000040729A (ko) * | 1998-12-19 | 2000-07-05 | 구본준 | 실리콘 박막을 결정화하는 방법 |
KR20010014828A (ko) * | 1999-04-27 | 2001-02-26 | 가네꼬 히사시 | 반도체 장치의 제조 방법 |
KR20010054293A (ko) * | 1999-12-06 | 2001-07-02 | 한전건 | 초고속 펄스-직류 마그네트론 스퍼터 코팅원에 의한 저온다결정 실리콘 및 고기능성 박막의 증착을 위한 스퍼터링장치 |
-
2001
- 2001-12-27 KR KR10-2001-0086422A patent/KR100466962B1/ko not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4824544A (en) * | 1987-10-29 | 1989-04-25 | International Business Machines Corporation | Large area cathode lift-off sputter deposition device |
JPH04221817A (ja) * | 1990-12-21 | 1992-08-12 | Semiconductor Energy Lab Co Ltd | 半導体膜作製方法 |
KR20000040729A (ko) * | 1998-12-19 | 2000-07-05 | 구본준 | 실리콘 박막을 결정화하는 방법 |
KR20010014828A (ko) * | 1999-04-27 | 2001-02-26 | 가네꼬 히사시 | 반도체 장치의 제조 방법 |
KR20010054293A (ko) * | 1999-12-06 | 2001-07-02 | 한전건 | 초고속 펄스-직류 마그네트론 스퍼터 코팅원에 의한 저온다결정 실리콘 및 고기능성 박막의 증착을 위한 스퍼터링장치 |
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KR20030056247A (ko) | 2003-07-04 |
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