KR100731732B1 - 박막트랜지스터 및 그 제조 방법과 이를 이용한 평판 표시장치 - Google Patents
박막트랜지스터 및 그 제조 방법과 이를 이용한 평판 표시장치 Download PDFInfo
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- KR100731732B1 KR100731732B1 KR1020040096593A KR20040096593A KR100731732B1 KR 100731732 B1 KR100731732 B1 KR 100731732B1 KR 1020040096593 A KR1020040096593 A KR 1020040096593A KR 20040096593 A KR20040096593 A KR 20040096593A KR 100731732 B1 KR100731732 B1 KR 100731732B1
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- 239000010409 thin film Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000002425 crystallisation Methods 0.000 claims abstract description 92
- 230000008025 crystallization Effects 0.000 claims abstract description 79
- 229910052751 metal Inorganic materials 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 42
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 36
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000003054 catalyst Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 230000001939 inductive effect Effects 0.000 claims abstract description 19
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 130
- 239000010408 film Substances 0.000 claims description 25
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 28
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 238000007715 excimer laser crystallization Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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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
- H01L29/66007—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
-
- 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
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Nonlinear Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (20)
- 기판을 준비하는 단계;상기 기판상에 비정질 실리콘층을 형성하는 단계;상기 비정질 실리콘층상에 캡핑층을 형성하는 단계;상기 캡핑층상에 Ni과 Pd의 혼합 금속을 금속 혼합층으로 형성하는 단계; 및상기 기판을 열처리하여 상기 비정질 실리콘층을 다결정 실리콘층으로 결정화하는 단계를 포함하며,상기 Pd의 농도는 5 내지 30at%임을 특징으로 하는 박막트랜지스터 제조 방법.
- 제 1 항에 있어서,상기 결정화하는 단계 이후,상기 금속 혼합층 및 상기 캡핑층을 제거하는 단계;상기 다결정 실리콘층을 패터닝하여 반도체층을 형성하는 단계; 및상기 반도체층이 형성된 기판상에 게이트 절연막, 게이트 전극, 층간절연막 및 소오스/드레인 전극을 형성하는 단계를 더 포함하는 것을 특징으로 하는 박막트랜지스터 제조 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 다결정 실리콘층의 결정화 속도는 1.5 내지 2.1㎛/hr임을 특징으로 하는 박막트랜지스터 제조 방법.
- 제 1 항에 있어서,상기 다결정 실리콘층의 결정화 속도는 1.5 내지 2.0㎛/hr임을 특징으로 하는 박막트랜지스터 제조 방법.
- 제 1 항에 있어서,상기 금속 혼합층은 1011 내지 1015 atoms/㎠의 면밀도로 형성됨을 특징으로 하는 박막트랜지스터 제조 방법.
- 제 1 항에 있어서,상기 캡핑층은 실리콘 산화막, 실리콘 질화막 또는 이들의 다중층으로 형성됨을 특징으로 하는 박막트랜지스터 제조 방법.
- 삭제
- 삭제
- 삭제
- 결정화 유도 물질로 Ni 및 결정화 촉매 물질로 Pd을 이용한 SGS 결정화법으로 결정화된 반도체층이 형성된 기판;상기 반도체층상에 형성된 게이트 절연막;상기 게이트 절연막상의 소정 영역에 형성된 게이트 전극;상기 게이트 전극상에 형성된 층간절연막; 및상기 층간절연막상에 형성되고, 상기 반도체층의 소오스/드레인 영역에 콘택하는 소오스/드레인 전극을 포함하며,상기 결정화 촉매 물질의 농도는 5 내지 30at%임을 특징으로 하는 박막트랜지스터.
- 삭제
- 삭제
- 삭제
- 제 12 항에 있어서,상기 반도체층의 결정화 속도는 1.5 내지 2.1㎛/hr임을 특징으로 하는 박막트랜지스터.
- 제 12 항에 있어서,상기 반도체층의 결정화 속도는 1.5 내지 2.0㎛/hr임을 특징으로 하는 박막트랜지스터.
- 발광부를 구비한 기판; 및상기 발광부상에 형성되고, 결정화 유도 물질로 Ni 및 결정화 촉매 물질로 Pd을 이용한 SGS 결정화법으로 결정화된 반도체층을 포함하여 형성된 박막트랜지스터를 포함하며,상기 결정화 촉매 물질의 농도는 5 내지 30at%임을 특징으로 하는 평판 표시 장치.
- 삭제
- 제 18 항에 있어서,상기 평판 표시 장치는 유기 전계 발광 표시 장치 또는 액정 표시 장치임을 특징으로 하는 평판 표시 장치.
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KR1020040096593A KR100731732B1 (ko) | 2004-11-23 | 2004-11-23 | 박막트랜지스터 및 그 제조 방법과 이를 이용한 평판 표시장치 |
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KR100731732B1 true KR100731732B1 (ko) | 2007-06-22 |
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KR100860006B1 (ko) * | 2006-12-13 | 2008-09-25 | 삼성에스디아이 주식회사 | 박막트랜지스터 및 그의 제조방법 |
KR100864883B1 (ko) * | 2006-12-28 | 2008-10-22 | 삼성에스디아이 주식회사 | 박막트랜지스터, 그의 제조방법 및 이를 구비한유기전계발광표시장치. |
KR100839735B1 (ko) * | 2006-12-29 | 2008-06-19 | 삼성에스디아이 주식회사 | 트랜지스터, 이의 제조 방법 및 이를 구비한 평판 표시장치 |
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JPH0897137A (ja) * | 1994-09-21 | 1996-04-12 | Sharp Corp | 半導体装置およびその製造方法 |
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JPH0897137A (ja) * | 1994-09-21 | 1996-04-12 | Sharp Corp | 半導体装置およびその製造方法 |
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