KR100542304B1 - 액정 표시 장치-박막 트랜지스터의 제조방법 - Google Patents
액정 표시 장치-박막 트랜지스터의 제조방법 Download PDFInfo
- Publication number
- KR100542304B1 KR100542304B1 KR1019980045039A KR19980045039A KR100542304B1 KR 100542304 B1 KR100542304 B1 KR 100542304B1 KR 1019980045039 A KR1019980045039 A KR 1019980045039A KR 19980045039 A KR19980045039 A KR 19980045039A KR 100542304 B1 KR100542304 B1 KR 100542304B1
- Authority
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- South Korea
- Prior art keywords
- layer
- catalyst
- amorphous silicon
- silicon layer
- gate electrode
- Prior art date
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 37
- 239000003054 catalyst Substances 0.000 claims abstract description 37
- 239000010408 film Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000000151 deposition Methods 0.000 claims abstract description 3
- 230000001678 irradiating effect Effects 0.000 claims abstract description 3
- 238000000059 patterning Methods 0.000 claims abstract description 3
- 239000011248 coating agent Substances 0.000 claims abstract 2
- 238000000576 coating method Methods 0.000 claims abstract 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- 229910052785 arsenic Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 238000002161 passivation Methods 0.000 claims 2
- 238000005530 etching Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 54
- 230000005684 electric field Effects 0.000 description 4
- 238000005224 laser annealing Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
-
- 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
- G02F1/13625—Patterning using multi-mask exposure
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (4)
- 유리 기판상에 게이트 전극을 형성하는 단계;상기 게이트 전극이 형성된 유리 기판 상부에 게이트 절연막을 증착하는 단계;상기 게이트 절연막 상에 비정질 실리콘층을 형성하는 단계;상기 비정질 실리콘층과 게이트 절연막을 패터닝하는 단계;상기 게이트 전극 양측에 해당하는 비정질 실리콘층에 불순물을 이온 주입하는 단계;상기 게이트 전극 상부 및 게이트 전극 양측으로부터 0.01 내지 10㎛ 정도씩 포함하도록 비정질 실리콘층 상부에 카탈리스트 마스크 패턴을 형성하는 단계;상기 비정질 실리콘층 및 카탈리스트 마스크 패턴 표면에 카탈리스트층을 피복하는 단계;상기 기판 뒷면에서 레이져 빔을 조사하여, 카탈리스트 마스크 패턴 양측의 비정질 실리콘층을 상기 카탈리스트층과 반응시키면서 결정화하여, 소오스, 드레인 영역을 형성하는 단계; 및반응하고 남은 카탈리스트층과 카탈리스트 마스크를 제거하는 단계를 포함하는 것을 특징으로 하는 액정 표시 장치-박막 트랜지스터의 제조방법.
- 제 1 항에 있어서, 상기 카탈리스트 마스크 패턴을 실리콘 질화막으로 형성되는 것을 특징으로 하는 액정 표시 장치-박막 트랜지스터의 제조방법.
- 제 1 항에 있어서, 상기 카탈리스트층은 Ni, Pd, Pt, W, Cr, Co, Cu, Al, Sn, P, As, Sb, Ag, In 중 선택되는 하나, 또는 이들을 적절히 혼합한 합금막으로 형성되는 것을 특징으로 하는 액정 표시 장치-박막 트랜지스터의 제조방법.
- 제 1 항에 있어서, 상기 카탈리스트 마스크 패턴을 제거하는 단계 이후에, 결과물 상부에 보호막을 형성하는 단계; 상기 소오스, 드레인 영역이 노출되도록 보호막을 식각하는 단계; 및 상기 노출된 소오스, 드레인 영역과 접촉되도록 소오스, 드레인 전극을 형성하는 단계를 포함하는 것을 특징으로 하는 액정 표시 장치-박막 트랜지스터의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980045039A KR100542304B1 (ko) | 1998-10-27 | 1998-10-27 | 액정 표시 장치-박막 트랜지스터의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019980045039A KR100542304B1 (ko) | 1998-10-27 | 1998-10-27 | 액정 표시 장치-박막 트랜지스터의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20000027172A KR20000027172A (ko) | 2000-05-15 |
KR100542304B1 true KR100542304B1 (ko) | 2006-04-06 |
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KR1019980045039A KR100542304B1 (ko) | 1998-10-27 | 1998-10-27 | 액정 표시 장치-박막 트랜지스터의 제조방법 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR970018735A (ko) * | 1995-09-21 | 1997-04-30 | 쯔지 하루오 | 반도체회로, 반도체장치 및 이들의 제조방법 |
JPH1074947A (ja) * | 1996-08-30 | 1998-03-17 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ及びその製造方法 |
KR19980071032A (ko) * | 1997-02-03 | 1998-10-26 | 쯔지하루오 | 박막 트랜지스터 및 그 제조 방법 |
KR100220207B1 (ko) * | 1995-03-13 | 1999-09-01 | 마찌다 가쯔히꼬 | 반도체장치 및 그의 제조방법 |
-
1998
- 1998-10-27 KR KR1019980045039A patent/KR100542304B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100220207B1 (ko) * | 1995-03-13 | 1999-09-01 | 마찌다 가쯔히꼬 | 반도체장치 및 그의 제조방법 |
KR970018735A (ko) * | 1995-09-21 | 1997-04-30 | 쯔지 하루오 | 반도체회로, 반도체장치 및 이들의 제조방법 |
KR100256912B1 (ko) * | 1995-09-21 | 2000-05-15 | 마찌다 가쯔히꼬 | 반도체회로, 반도체장치 및 이들의 제조방법 |
JPH1074947A (ja) * | 1996-08-30 | 1998-03-17 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ及びその製造方法 |
KR19980071032A (ko) * | 1997-02-03 | 1998-10-26 | 쯔지하루오 | 박막 트랜지스터 및 그 제조 방법 |
KR100303964B1 (ko) * | 1997-02-03 | 2001-09-29 | 마찌다 가쯔히꼬 | 박막 트랜지스터 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
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KR20000027172A (ko) | 2000-05-15 |
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