KR101010442B1 - 폴리실리콘 박막트랜지스터 제조방법 - Google Patents
폴리실리콘 박막트랜지스터 제조방법 Download PDFInfo
- Publication number
- KR101010442B1 KR101010442B1 KR1020030100841A KR20030100841A KR101010442B1 KR 101010442 B1 KR101010442 B1 KR 101010442B1 KR 1020030100841 A KR1020030100841 A KR 1020030100841A KR 20030100841 A KR20030100841 A KR 20030100841A KR 101010442 B1 KR101010442 B1 KR 101010442B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- layer
- forming
- silicon oxide
- contact hole
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000010409 thin film Substances 0.000 title abstract description 26
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 53
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 43
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000001039 wet etching Methods 0.000 claims abstract description 31
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 26
- 238000001312 dry etching Methods 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims description 20
- 238000002161 passivation Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 3
- 239000010408 film Substances 0.000 abstract description 160
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 22
- 229920005591 polysilicon Polymers 0.000 abstract description 22
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 84
- 238000005530 etching Methods 0.000 description 23
- 229910021417 amorphous silicon Inorganic materials 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 229910004205 SiNX Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Images
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
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- 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
Abstract
Description
SiNx두께/SiO2뚜께(Å) | 건식식각 시간(초) | 습식각 시간(초) | 컨택홀 불량여부 |
8000/0 | 100 | 344 | 불량(언더컷 발생) |
8000/1000 | 100 | ||
6000/2000 | 75 | 500 |
|
6000/3000 | 75 | ||
4000/3000 | 55 | 양호 |
|
3000/4000 | 45 | ||
0/7000 | 0 | 744 |
불량 |
1000/6000 | 20 | ||
3000/6000 | 45 | ||
2000/6000 | 35 |
Claims (5)
- 기판 상에 반도체층을 형성하는 단계;상기 반도체층 상에 두께비가 1.0 : 0.6~1.0인 실리콘 산화막과 실리콘 질화막의 2중 층으로 구성되는 절연막을 형성하는 단계;상기 절연막 상에 컨택홀 패턴을 포함하는 포토레지스트를 형성하는 단계;상기 포토레지스트를 마스크로 적용하여 상기 실리콘 질화막을 건식각하는 단계; 및상기 실리콘 산화막을 습식각하여 컨택홀을 형성하는 단계를 포함하는 것을 특징으로 하는 컨택홀 형성방법.
- 제 1항에 있어서, 상기 반도체 층은 결정화된 실리콘층인 것을 특징으로 하는 컨택홀 형성방법.
- 버퍼층을 포함하는 기판을 준비하는 단계;상기 기판상에 액티브층을 형성하는 단계;상기 액티브층을 포함하는 기판상에 실리콘 산화막으로 구성되는 제 1절연막을 형성하는 단계;상기 제 1절연막 상에 게이트 전극을 형성하는 단계;상기 게이트 전극 상에 상기 실리콘 산화막과 두께비가 0.6~1.0 배가 되도록 실리콘 질화막으로 구성되는 제 2절연막을 형성하는 단계;상기 제 2절연막을 건식각하고, 상기 제 1절연막을 습식각하여 컨택홀을 형성하는 단계;상기 컨택홀이 형성된 제 2절연막 상에 소오스 및 드레인 전극을 형성하는 단계; 및상기 소오스 및 드레인 전극이 형성된 기판상에 보호막 및 화소전극을 형성하는 단계를 포함하는 액정표시소자 제조방법.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030100841A KR101010442B1 (ko) | 2003-12-30 | 2003-12-30 | 폴리실리콘 박막트랜지스터 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030100841A KR101010442B1 (ko) | 2003-12-30 | 2003-12-30 | 폴리실리콘 박막트랜지스터 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050069022A KR20050069022A (ko) | 2005-07-05 |
KR101010442B1 true KR101010442B1 (ko) | 2011-01-21 |
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KR1020030100841A KR101010442B1 (ko) | 2003-12-30 | 2003-12-30 | 폴리실리콘 박막트랜지스터 제조방법 |
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KR (1) | KR101010442B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101648519B1 (ko) | 2015-10-12 | 2016-08-17 | (주)성형정공 | 320 날개 달은 골프공 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020015167A (ko) * | 2000-08-21 | 2002-02-27 | 윤종용 | 반도체 장치의 자기 정렬 콘택 형성 방법 |
KR20030033132A (ko) * | 2001-10-17 | 2003-05-01 | 삼성전자주식회사 | 다결정 규소 박막 트랜지스터 기판 및 그 제조 방법 |
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- 2003-12-30 KR KR1020030100841A patent/KR101010442B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020015167A (ko) * | 2000-08-21 | 2002-02-27 | 윤종용 | 반도체 장치의 자기 정렬 콘택 형성 방법 |
KR20030033132A (ko) * | 2001-10-17 | 2003-05-01 | 삼성전자주식회사 | 다결정 규소 박막 트랜지스터 기판 및 그 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101648519B1 (ko) | 2015-10-12 | 2016-08-17 | (주)성형정공 | 320 날개 달은 골프공 |
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