KR20020058271A - 박막 트랜지스터 및 그 제조방법 - Google Patents
박막 트랜지스터 및 그 제조방법 Download PDFInfo
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- KR20020058271A KR20020058271A KR1020000086333A KR20000086333A KR20020058271A KR 20020058271 A KR20020058271 A KR 20020058271A KR 1020000086333 A KR1020000086333 A KR 1020000086333A KR 20000086333 A KR20000086333 A KR 20000086333A KR 20020058271 A KR20020058271 A KR 20020058271A
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- Prior art keywords
- layer
- amorphous silicon
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- 239000010409 thin film Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 63
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 238000000151 deposition Methods 0.000 claims abstract description 25
- 230000005291 magnetic effect Effects 0.000 claims abstract description 24
- 230000003197 catalytic effect Effects 0.000 claims abstract description 14
- 239000011810 insulating material Substances 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 88
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 28
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 22
- 239000010408 film Substances 0.000 claims description 12
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 11
- 150000002500 ions Chemical class 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 abstract description 37
- 230000008025 crystallization Effects 0.000 abstract description 31
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 229910052745 lead Inorganic materials 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
-
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
-
- 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
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02422—Non-crystalline insulating materials, e.g. glass, polymers
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- 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
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02488—Insulating materials
-
- 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
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- 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
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
- H01L27/1277—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using a crystallisation promoting species, e.g. local introduction of Ni catalyst
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
- H01L27/1285—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using control of the annealing or irradiation parameters, e.g. using different scanning direction or intensity for different transistors
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
- H01L29/78675—Polycrystalline or microcrystalline silicon transistor with normal-type structure, e.g. with top gate
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Recrystallisation Techniques (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (9)
- 기판을 구비하는 단계와;기판 상에 절연물질을 증착하여 버퍼층을 형성하는 단계와;상기 버퍼층 상에 비정질 실리콘을 증착하는 단계와;상기 비정질 실리콘층의 표면에 촉매금속을 증착하는 단계와;자기장 형성장치를 이용하여, 상기 촉매금속에 자기장을 가해주면서, 상기 촉매 금속의 양단에 직류 전압을 인가하여, 상기 비정질 실리콘층을 결정질 실리콘으로 결정화하는 단계를 포함하는 다결정 실리콘 형성방법.
- 제 1 항에 있어서,상기 자기장 형성장치는 기판의 상부 또는 하부에 구성하는 다결정 실리콘 형성방법.
- 제 1 항에 있어서,상기 촉매 금속은 니켈(Ni), 납(Pb), 코발트(Co)로 구성된 집단에서 선택된 물질인 다결정 실리콘 형성방법.
- 제 1 항에 있어서,상기 버퍼층은 산화실리콘(SiO2)인 다결정 실리콘 형성방법.
- 기판을 구비하는 단계와;기판 상에 절연물질을 증착하여 버퍼층을 형성하는 단계와;상기 버퍼층 상에 비정질 실리콘을 증착하는 단계와;상기 비정질 실리콘층의 표면에 촉매금속을 증착하는 단계와;자기장 형성장치를 이용하여, 상기 촉매금속에 자기장을 가해주면서, 상기 촉매 금속의 양단에 직류 전압을 인가하여, 상기 비정질 실리콘층을 결정질 실리콘으로 결정화하는 단계와;상기 결정질 실리콘층을 아일랜드로 형성하는 단계와;상기 아일랜드와 게이트 절연막을 사이에 두고, 상기 아일랜드의 중앙에 게이트 전극을 형성하는 단계와;노출된 아일랜드의 양측에 불순물 이온을 도핑하여 오믹콘택층을 형성하는 단계와;상기 게이트전극이 형성된 기판 상에 층간절연막을 형성하고, 상기 오믹콘택층을 노출하는 단계와;상기 오믹콘택층에 접촉하는 소스전극과 드레인 전극을 형성하는 단계를 포함하는 박막트랜지스터 제조방법.
- 제 5 항에 있어서,상기 불순물 이온은 N-형 또는 P-형 반도체인 박막 트랜지스터 제조방법.
- 제 5 항에 있어서,상기 촉매 금속은 니켈(Ni), 납(Pb), 코발트(Co)로 구성된 집단에서 선택된 물질인 박막 트랜지스터 제조방법.
- 제 5 항에 있어서,상기 버퍼층은 산화실리콘(SiO2)인 박막트랜지스터 제조방법.
- 기판을 구비하는 단계와;기판 상에 절연물질을 증착하여 버퍼층을 형성하는 단계와;상기 버퍼층 상에 비정질 실리콘을 증착하는 단계와;상기 비정질 실리콘층의 표면에 촉매금속을 증착하는 단계와;자기장 형성장치를 이용하여, 상기 촉매금속에 자기장을 가해주면서, 상기 촉매 금속의 양단에 직류 전압을 인가하여, 상기 비정질 실리콘층을 결정질 실리콘으로 결정화하는 단계와;상기 결정질 실리콘층을 아일랜드로 형성하는 단계와;상기 아일랜드와 게이트 절연막을 사이에 두고, 상기 아일랜드의 중앙에 게이트 전극을 형성하는 단계와;노출된 아일랜드의 양측에 불순물 이온을 도핑하여 오믹콘택층을 형성하는 단계와;상기 게이트전극이 형성된 기판 상에 층간절연막을 형성하고, 상기 오믹콘택층을 노출하는 단계와;상기 오믹콘택층에 접촉하는 소스전극과 드레인 전극을 형성하는 단계와;상기 드레인 전극과 접촉하는 투명 화소전극을 형성하는 단계를 포함하는 액정표시장치 제조방법.
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KR1020000086333A KR100650343B1 (ko) | 2000-12-29 | 2000-12-29 | 박막 트랜지스터 및 그 제조방법 |
US10/000,092 US6531348B2 (en) | 2000-12-29 | 2001-12-04 | Method for crystallizing amorphous silicon and fabricating thin film transistor using crystallized silicon |
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KR1020000086333A KR100650343B1 (ko) | 2000-12-29 | 2000-12-29 | 박막 트랜지스터 및 그 제조방법 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100502336B1 (ko) * | 2002-11-28 | 2005-07-20 | 삼성에스디아이 주식회사 | 실리콘 막의 결정화 방법 |
KR100818287B1 (ko) * | 2007-01-10 | 2008-03-31 | 삼성전자주식회사 | 폴리 실리콘의 형성방법, 이 폴리 실리콘을 구비하는 박막트랜지스터 및 그 제조방법 |
KR100930362B1 (ko) * | 2002-11-04 | 2009-12-08 | 엘지디스플레이 주식회사 | 다결정 실리콘막 형성방법과 이를 포함한박막트랜지스터의 제조방법 |
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US5096880A (en) * | 1988-10-20 | 1992-03-17 | General Dynamics Corp./Electronics Division | Method and apparatus for inducing grain orientation by magnetic and electric field ordering during bulk superconductor synthesis |
US5498904A (en) * | 1994-02-22 | 1996-03-12 | Sanyo Electric Co., Ltd. | Polycrystalline semiconductive film, semiconductor device using the same and method of manufacturing the same |
US5956581A (en) * | 1995-04-20 | 1999-09-21 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device |
US6326226B1 (en) * | 1997-07-15 | 2001-12-04 | Lg. Philips Lcd Co., Ltd. | Method of crystallizing an amorphous film |
JP3754184B2 (ja) * | 1997-07-16 | 2006-03-08 | 株式会社半導体エネルギー研究所 | 薄膜トランジスタを備えたフラットパネルディスプレイの作製方法 |
US6309951B1 (en) * | 1998-06-10 | 2001-10-30 | Lg. Philips Lcd Co., Ltd. | Method for crystallizing amorphous silicon |
KR100362724B1 (ko) * | 1999-12-08 | 2002-11-27 | 김형준 | 교반자속 인가에 의한 비정질 실리콘막의 저온 결정화 장치 |
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KR100947269B1 (ko) * | 2002-10-31 | 2010-03-11 | 엘지디스플레이 주식회사 | 전극과 이를 이용한 다결정 박막트랜지스터의 제조방법 |
KR100930362B1 (ko) * | 2002-11-04 | 2009-12-08 | 엘지디스플레이 주식회사 | 다결정 실리콘막 형성방법과 이를 포함한박막트랜지스터의 제조방법 |
KR100502336B1 (ko) * | 2002-11-28 | 2005-07-20 | 삼성에스디아이 주식회사 | 실리콘 막의 결정화 방법 |
KR101013720B1 (ko) * | 2003-12-24 | 2011-02-10 | 엘지디스플레이 주식회사 | 결정화방법 및 이를 이용한 박막 트랜지스터의 제조방법 |
KR100818287B1 (ko) * | 2007-01-10 | 2008-03-31 | 삼성전자주식회사 | 폴리 실리콘의 형성방법, 이 폴리 실리콘을 구비하는 박막트랜지스터 및 그 제조방법 |
KR101008965B1 (ko) * | 2010-10-20 | 2011-01-17 | 박노식 | 사격훈련의 명중탄 구분방법 및 이를 이용한 사격훈련 통제장치 |
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US6531348B2 (en) | 2003-03-11 |
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US20020086470A1 (en) | 2002-07-04 |
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