KR100317619B1 - 박막트랜지스터의제조방법 - Google Patents
박막트랜지스터의제조방법 Download PDFInfo
- Publication number
- KR100317619B1 KR100317619B1 KR1019980056446A KR19980056446A KR100317619B1 KR 100317619 B1 KR100317619 B1 KR 100317619B1 KR 1019980056446 A KR1019980056446 A KR 1019980056446A KR 19980056446 A KR19980056446 A KR 19980056446A KR 100317619 B1 KR100317619 B1 KR 100317619B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- film
- layer
- contact hole
- low resistance
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000010409 thin film Substances 0.000 title claims abstract description 11
- 239000010408 film Substances 0.000 claims abstract description 65
- 239000010410 layer Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000011229 interlayer Substances 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000002161 passivation Methods 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims abstract description 7
- 238000000059 patterning Methods 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 3
- 239000007769 metal material Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 7
- 229910052738 indium Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052710 silicon Inorganic materials 0.000 abstract description 14
- 239000010703 silicon Substances 0.000 abstract description 14
- 238000005530 etching Methods 0.000 description 8
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910000846 In alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- -1 first Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-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
-
- 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
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41733—Source or drain electrodes for field effect devices for thin film transistors with insulated gate
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/456—Ohmic electrodes on silicon
- H01L29/458—Ohmic electrodes on silicon for thin film silicon, e.g. source or drain electrode
-
- 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
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
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)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (4)
- 절연기판 상에 활성층을 형성하는 공정과,상기 활성층 상에 게이트절연막을 개재시키어 게이트전극을 형성하는 공정과,상기 게이트전극을 마스크로 이용하여 제 1도전형의 불순물을 고농도로 도핑시킴으로써 상기 활성층에 소오스 및 드레인영역을 형성하는 공정과,상기 구조 전면을 덮는 층간절연막을 형성하는 공정과,상기 층간절연막을 패터닝하여 상기 소오스영역을 노출시키는 제 1 접촉홀을 형성하고 상기 제 1 접촉홀 내에 채워 상기 소오스영역과 전기적으로 연결되는 소오스전극을 형성하는 공정과,상기 층간절연막 상에 상기 소오스전극을 덮는 보호막을 형성하고 상기 보호막 및 상기 층간절연막을 패터닝하여 드레인영역을 노출시키는 제 2 접촉홀을 형성하는 공정과,상기 보호막 상에 제 2 접촉홀을 통해 상기 드레인영역과 접촉되도록 저저항금속막을 형성하는 공정과,상기 저저항금속막 상에 상기 저저항금속막을 이루는 금속물질의 산화막으로 이루어진 투명한 도전물질을 증착하여 연결배선을 형성하는 공정을 구비하는 박막 트랜지스터 형성방법.
- 청구항 1에 있어서,상기 저저항금속막을 In, Sn 또는 In 과 Sn과의 합금으로 형성하는 것이 특징인 박막 트랜지스터의 제조방법.
- 청구항 1에 있어서,상기 연결배선을 ITO(Indium Tin Oxide) 또는 IZO(Indium Zine Oxide)으로 형성하는 것이 특징인 박막 트랜지스터의 제조방법.
- 청구항 1에 있어서,상기 저저항금속막은 100 ∼ 200Å정도의 두께범위로 형성된 것이 특징인 박막 트랜지스터의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980056446A KR100317619B1 (ko) | 1998-12-19 | 1998-12-19 | 박막트랜지스터의제조방법 |
US09/435,750 US6569721B1 (en) | 1998-12-19 | 1999-11-08 | Method of manufacturing a thin film transistor to reduce contact resistance between a drain region and an interconnecting metal line |
US09/435,579 US6570183B1 (en) | 1998-12-19 | 1999-11-08 | Liquid crystal display for preventing galvanic phenomenon |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980056446A KR100317619B1 (ko) | 1998-12-19 | 1998-12-19 | 박막트랜지스터의제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000040727A KR20000040727A (ko) | 2000-07-05 |
KR100317619B1 true KR100317619B1 (ko) | 2002-05-13 |
Family
ID=19563960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980056446A KR100317619B1 (ko) | 1998-12-19 | 1998-12-19 | 박막트랜지스터의제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6569721B1 (ko) |
KR (1) | KR100317619B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060003485A1 (en) * | 2004-06-30 | 2006-01-05 | Hoffman Randy L | Devices and methods of making the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08186264A (ja) * | 1994-12-28 | 1996-07-16 | Seiko Epson Corp | 薄膜トランジスタおよびその製造方法 |
US5847410A (en) * | 1995-11-24 | 1998-12-08 | Semiconductor Energy Laboratory Co. | Semiconductor electro-optical device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0855852A (ja) * | 1994-08-15 | 1996-02-27 | Toshiba Corp | 半導体装置及びその製造方法 |
JP3784478B2 (ja) | 1995-11-24 | 2006-06-14 | 株式会社半導体エネルギー研究所 | 表示装置及び表示装置の作製方法 |
US5747379A (en) * | 1996-01-11 | 1998-05-05 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of fabricating seamless tungsten plug employing tungsten redeposition and etch back |
JP2000003966A (ja) * | 1998-06-15 | 2000-01-07 | Nec Corp | 半導体記憶装置及びその製造方法 |
US6271122B1 (en) * | 1999-07-12 | 2001-08-07 | Advanced Micro Devices, Inc. | Method of compensating for material loss in a metal silicone layer in contacts of integrated circuit devices |
-
1998
- 1998-12-19 KR KR1019980056446A patent/KR100317619B1/ko not_active IP Right Cessation
-
1999
- 1999-11-08 US US09/435,750 patent/US6569721B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08186264A (ja) * | 1994-12-28 | 1996-07-16 | Seiko Epson Corp | 薄膜トランジスタおよびその製造方法 |
US5847410A (en) * | 1995-11-24 | 1998-12-08 | Semiconductor Energy Laboratory Co. | Semiconductor electro-optical device |
Also Published As
Publication number | Publication date |
---|---|
KR20000040727A (ko) | 2000-07-05 |
US6569721B1 (en) | 2003-05-27 |
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