KR100336880B1 - 박막트랜지스터액정표시소자의게이트전극형성방법 - Google Patents
박막트랜지스터액정표시소자의게이트전극형성방법 Download PDFInfo
- Publication number
- KR100336880B1 KR100336880B1 KR10-1998-0024338A KR19980024338A KR100336880B1 KR 100336880 B1 KR100336880 B1 KR 100336880B1 KR 19980024338 A KR19980024338 A KR 19980024338A KR 100336880 B1 KR100336880 B1 KR 100336880B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate electrode
- electrode layer
- thin film
- glass substrate
- film transistor
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000010409 thin film Substances 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title description 8
- 239000007788 liquid Substances 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000011521 glass Substances 0.000 claims abstract description 30
- 238000000151 deposition Methods 0.000 claims abstract description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 230000008021 deposition Effects 0.000 claims abstract description 10
- 238000004544 sputter deposition Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000010408 film Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 for example Inorganic materials 0.000 description 1
- 239000012535 impurity 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
- 238000001465 metallisation Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
-
- 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
- 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
- H01L27/124—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 with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- Nonlinear Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (3)
- 베어 유리기판 상에 스퍼터링 방식으로 제1게이트 전극층을 형성하는 단계; 및 상기 제1게이트 전극층 상에 스퍼터링 방식으로 제2게이트 전극층을 형성하는 단계를 포함하며,상기 제1게이트 전극층은 상기 제2게이트 전극층 보다 느린 증착 속도로 형성하는 것을 특징으로 하는 박막트랜지스터 액정표시소자의 게이트 전극 형성방법.
- 제 1 항에 있어서, 상기 제1게이트 전극층은, 파워는 4 내지 8㎾, Kr 가스의 양은 18 내지 30sccm, 압력은 0.45 내지 0.75Pa, 증착 속도는 100 내지 150Å/min의 공정조건으로 증착하여, 1000 내지 2000Å 두께로 형성하는 것을 특징으로 하는 박막트랜지스터 액정표시소자의 게이트 전극 형성방법.
- 제 1 항에 있어서, 상기 제2게이트 전극층은, 300Å/min의 공정조건으로 증착하여 1000 내지 2000Å 두께로 형성하는 것을 특징으로 하는 박막트랜지스터 액정표시소자의 게이트 전극 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0024338A KR100336880B1 (ko) | 1998-06-26 | 1998-06-26 | 박막트랜지스터액정표시소자의게이트전극형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0024338A KR100336880B1 (ko) | 1998-06-26 | 1998-06-26 | 박막트랜지스터액정표시소자의게이트전극형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000003172A KR20000003172A (ko) | 2000-01-15 |
KR100336880B1 true KR100336880B1 (ko) | 2003-01-15 |
Family
ID=19540921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0024338A KR100336880B1 (ko) | 1998-06-26 | 1998-06-26 | 박막트랜지스터액정표시소자의게이트전극형성방법 |
Country Status (1)
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KR (1) | KR100336880B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030092159A (ko) * | 2002-05-27 | 2003-12-06 | 삼성전자주식회사 | 몰리브덴-텅스텐 박막의 형성 방법 및 이를 이용한 액정표시 장치의 박막 트랜지스터 기판의 제조방법 |
KR101960533B1 (ko) * | 2011-11-10 | 2019-03-21 | 엘지디스플레이 주식회사 | 금속 산화물 반도체를 포함하는 박막 트랜지스터 기판 및 그 제조 방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6269684A (ja) * | 1985-09-24 | 1987-03-30 | Matsushita Electronics Corp | 半導体集積回路 |
-
1998
- 1998-06-26 KR KR10-1998-0024338A patent/KR100336880B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6269684A (ja) * | 1985-09-24 | 1987-03-30 | Matsushita Electronics Corp | 半導体集積回路 |
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KR20000003172A (ko) | 2000-01-15 |
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