KR20030005911A - 비정질막 결정화방법 및 이를 이용한 액정표시소자의제조방법 - Google Patents
비정질막 결정화방법 및 이를 이용한 액정표시소자의제조방법 Download PDFInfo
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- KR20030005911A KR20030005911A KR1020010041379A KR20010041379A KR20030005911A KR 20030005911 A KR20030005911 A KR 20030005911A KR 1020010041379 A KR1020010041379 A KR 1020010041379A KR 20010041379 A KR20010041379 A KR 20010041379A KR 20030005911 A KR20030005911 A KR 20030005911A
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- 238000000034 method Methods 0.000 title claims abstract description 75
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 76
- 239000002184 metal Substances 0.000 claims abstract description 76
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 74
- 238000002425 crystallisation Methods 0.000 claims abstract description 70
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 239000012535 impurity Substances 0.000 claims abstract description 30
- 230000005684 electric field Effects 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000010884 ion-beam technique Methods 0.000 claims abstract description 9
- 239000010409 thin film Substances 0.000 claims description 80
- 239000010408 film Substances 0.000 claims description 63
- 239000010410 layer Substances 0.000 claims description 49
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 239000004065 semiconductor Substances 0.000 claims description 17
- 229910052698 phosphorus Inorganic materials 0.000 claims description 15
- 239000011574 phosphorus Substances 0.000 claims description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 150000002500 ions Chemical class 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- OINMNSFDYTYXEQ-UHFFFAOYSA-M 2-bromoethyl(trimethyl)azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCBr OINMNSFDYTYXEQ-UHFFFAOYSA-M 0.000 claims 1
- 230000008025 crystallization Effects 0.000 abstract description 39
- 239000003054 catalyst Substances 0.000 abstract description 29
- 238000000137 annealing Methods 0.000 abstract description 13
- 230000001965 increasing effect Effects 0.000 abstract description 10
- 238000011534 incubation Methods 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 30
- 229920005591 polysilicon Polymers 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000013078 crystal Substances 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 230000003197 catalytic effect Effects 0.000 description 9
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 9
- 238000000151 deposition Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 8
- 229910021332 silicide Inorganic materials 0.000 description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 230000006911 nucleation Effects 0.000 description 5
- 238000010899 nucleation Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 229910021334 nickel silicide Inorganic materials 0.000 description 2
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 2
- -1 phosphorus ions Chemical class 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910005881 NiSi 2 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- KMTYGNUPYSXKGJ-UHFFFAOYSA-N [Si+4].[Si+4].[Ni++] Chemical compound [Si+4].[Si+4].[Ni++] KMTYGNUPYSXKGJ-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 150000002815 nickel Chemical group 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
-
- 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
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02488—Insulating materials
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- 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
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
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- 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
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- 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
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
Abstract
Description
Claims (32)
- 기판 상에 불순물이 포함된 비정질막을 형성하는 단계;상기 비정질막 상에 금속층을 형성하는 단계;상기 비정질막을 열처리하는 단계;상기 비정질막에 전계를 인가해주는 단계를 포함하여 이루어지는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 불순물은 비정질막에 불순물 이온을 도핑하여 포함된 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 비정질막을 형성하기 전, 상기 기판 상에 버퍼층을 더 형성하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 전계를 인가해주는 단계는 비정질막을 가열해주는 단계와 동시에 이루어지는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 전계를 인가해주는 단계는 비정질막의 열처리 후 또는 열처리 전에 수행하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 불순물이 포함된 비정질막을 형성한 후, 상기 비정질막을 열처리하는 단계를 더 포함하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 전계는 시간에 따라서 변화하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 전계의 세기는 0∼500V/㎝ 인 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에서 있어서, 상기 금속층은 5×1012∼1014㎝-2의 양의 금속을 포함하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 9 항에 있어서, 상기 금속은 니켈(Ni) 또는 코발트(Co)인 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에서 있어서, 상기 금속층은 플라즈마를 이용하거나 또는 이온빔을 이용하거나 또는 금속용액을 이용하여 형성하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에서 있어서, 상기 불순물은 인(P), 불소(F) 또는 염소(Cl)로 하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 2 항에서 있어서, 상기 불순물 이온의 도핑시 이온빔을 이용하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에서 있어서, 상기 불순물은 1011∼1013㎝-2의 양을 가지는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 비정질막은 비정질 실리콘을 재료로 형성하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 항에 있어서, 상기 금속층은 비정질 실리콘을 포함하는 것을 특징으로 하는 비정질막의 결정화방법.
- 제 1 기판 상에 불순물이 포함된 비정질실리콘 박막을 형성하는 단계;상기 비정질실리콘 박막 상에 금속층을 형성하는 단계;상기 비정질실리콘 박막을 열처리하고, 전계를 인가하여 다결정화하는 단계;상기 결정화된 비정질실리콘 박막을 패터닝하여 반도체층을 형성하는 단계;상기 반도체층 소정 부위에 상기 반도체층과 절연된 게이트 전극을 형성하는 단계;상기 반도체층에 이온주입하여 소스/드레인 영역을 형성하는 단계;상기 소스/드레인 영역과 연결되는 소스/드레인 전극을 형성하는 단계;상기 드레인 전극에 연결되는 화소전극을 형성하는 단계;상기 제 1 기판에 대향하는 제 2 기판과의 사이에 액정층을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에서 있어서, 상기 금속층은 5×1012∼1014㎝-2의 금속을 포함하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 18 항에 있어서, 상기 금속은 니켈 또는 코발트인 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에 있어서, 상기 금속층은 아몰퍼스 실리콘을 포함하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에서 있어서, 상기 불순물은 인(P), 불소(F) 또는 염소(Cl)로 하는것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에서 있어서, 상기 불순물은 1011∼1013㎝-2의 양을 가지는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에 있어서, 상기 불순물은 비정질실리콘 박막에 불순물 이온을 도핑하여 포함된 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에서 있어서, 상기 비정질실리콘 박막을 형성하기 전, 상기 제 1 기판 상에 버퍼층을 더 형성하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에 있어서, 상기 비정질실리콘 박막을 가열하고, 전계를 인가하는 단계는 동시에 행해지거나 또는 이시에 행해지는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에서 있어서, 상기 전계는 시간에 따라서 변화하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에서 있어서, 상기 전계의 세기는 0∼500V/㎝ 인 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에 있어서, 상기 게이트 전극과 동시에 게이트 배선을 형성하는 단계;상기 소스/드레인 전극과 동시에 상기 게이트 배선에 교차하는 데이터 배선을 형성하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에 있어서, 상기 게이트 전극 형성 후, 상기 게이트 전극을 포함한 전면에 절연막을 더 형성하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 29 항에 있어서, 상기 절연막은 실리콘질화물 또는 실리콘산화물을 재료로 형성하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 17 항에 있어서, 상기 소스/드레인 전극 형성 후, 상기 드레인 전극의 소정 부위를 노출시키는 보호막을 더 형성하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 31 항에 있어서, 상기 보호막은 실리콘질화물, 실리콘산화물, BCB 또는 아크릴 수지를 재료로 형성하는 것을 특징으로 하는 액정표시소자의 제조방법.
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WO2004107453A1 (en) * | 2003-05-27 | 2004-12-09 | Jae-Sang Ro | Method for annealing silicon thin films and polycrystalline silicon thin films prepared therefrom |
US7449397B2 (en) | 2003-05-27 | 2008-11-11 | Jae-Sang Ro | Method for annealing silicon thin films and polycrystalline silicon thin films prepared therefrom |
KR100836744B1 (ko) * | 2006-03-03 | 2008-06-10 | 노재상 | 비정질 실리콘의 주울 가열 결정화 방법 |
KR20140035486A (ko) * | 2011-06-10 | 2014-03-21 | 오티스 엘리베이터 컴파니 | 엘리베이터 인장 부재 |
KR20210067837A (ko) * | 2019-11-29 | 2021-06-08 | 한국원자력연구원 | 베타전지의 제조 방법 및 베타전지 |
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US6835608B2 (en) | 2004-12-28 |
US20030013278A1 (en) | 2003-01-16 |
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