KR100590917B1 - 액정표시소자의 제조방법 - Google Patents
액정표시소자의 제조방법 Download PDFInfo
- Publication number
- KR100590917B1 KR100590917B1 KR1019990024607A KR19990024607A KR100590917B1 KR 100590917 B1 KR100590917 B1 KR 100590917B1 KR 1019990024607 A KR1019990024607 A KR 1019990024607A KR 19990024607 A KR19990024607 A KR 19990024607A KR 100590917 B1 KR100590917 B1 KR 100590917B1
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- South Korea
- Prior art keywords
- metal film
- etching
- amorphous silicon
- silicon layer
- gas
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 67
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 42
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000010936 titanium Substances 0.000 claims abstract description 25
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 25
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 14
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 10
- 239000011737 fluorine Substances 0.000 claims abstract description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 9
- 239000000460 chlorine Substances 0.000 claims abstract description 7
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- 150000003608 titanium Chemical class 0.000 claims abstract description 5
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 22
- 238000011065 in-situ storage Methods 0.000 claims description 7
- 239000010408 film Substances 0.000 description 80
- 239000004065 semiconductor Substances 0.000 description 13
- 230000001681 protective effect Effects 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009125 cardiac resynchronization therapy Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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
-
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 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
- H01L29/66007—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
Abstract
Description
Claims (6)
- 절연성 기판 상에 게이트 라인, 게이트 절연막, 비도핑된 비정질실리콘층 및 도핑된 비정질실리콘층을 순차적으로 형성하는 단계;상기 도핑된 비정질실리콘층 상에 티타늄 금속막과 몰리브덴 금속막의 적층 구조로 이루어진 데이터 라인용 금속막을 증착하는 단계;상기 데이터 라인용 금속막인 몰리브덴 금속막 상에 그의 소정 부분을 노출시키는 감광막 패턴을 형성하는 단계;상기 감광막 패턴을 식각 마스크로해서, 노출된 몰리브덴 금속막 부분은 불소 계열의 식각 가스로 식각하는 단계;상기 몰리브덴 금속막의 일부분이 식각되어 노출된 티타늄 금속막 부분을 염소 계열의 식각 가스로 식각하는 단계; 및상기 티타늄 금속막이 식각되어 노출된 도핑된 비정질실리콘층 부분과 그 하부에 배치된 비도핑된 비정질실리콘층의 일부 두께를 불소 계열의 식각 가스로 식각하는 단계를 포함하여 이루어지는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 1 항에 있어서, 상기 티타늄 금속막은 300∼500Å 두께로 증착하고, 상기 몰리브덴 금속막은 2,000∼3,000Å 두께로 증착하는 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 1 항에 있어서, 상기 몰리브덴 금속막을 식각하기 위한 불소 계열의 식각 가스는, SF6 가스와 CF4 가스의 혼합 가스인 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 1 항에 있어서, 상기 티타늄 금속막을 식각하기 위한 염소 계열의 식각 가스는, HCl, BCl3 또는 Cl2 가스 중에서 선택되는 하나인 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 1 항에 있어서, 상기 도핑된 비정질실리콘층과 비도핑된 비정질실리콘층을 식각하기 위한 불소 계열의 식각 가스는, SF6 가스 또는 CF4 가스 중에서 선택되는 하나인 것을 특징으로 하는 액정표시소자의 제조방법.
- 제 1 항에 있어서, 상기 몰리브덴 금속막에 대한 식각 공정과, 상기 티타늄 금속막에 대한 식각 공정 및 상기 도핑된 비정질실리콘층과 비도핑된 비정질실리콘층에 대한 식각 공정은 인-시튜 방식으로 수행하는 것을 특징으로 하는 액정표시소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019990024607A KR100590917B1 (ko) | 1999-06-28 | 1999-06-28 | 액정표시소자의 제조방법 |
Applications Claiming Priority (1)
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KR1019990024607A KR100590917B1 (ko) | 1999-06-28 | 1999-06-28 | 액정표시소자의 제조방법 |
Publications (2)
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KR20010004022A KR20010004022A (ko) | 2001-01-15 |
KR100590917B1 true KR100590917B1 (ko) | 2006-06-19 |
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KR1019990024607A KR100590917B1 (ko) | 1999-06-28 | 1999-06-28 | 액정표시소자의 제조방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100975466B1 (ko) * | 2004-04-19 | 2010-08-11 | 하이디스 테크놀로지 주식회사 | 액정표시장치의 어레이 기판 제조방법 |
CN104091821B (zh) * | 2014-07-16 | 2017-05-03 | 上海和辉光电有限公司 | 柔性显示装置和耐折叠金属导线 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10135465A (ja) * | 1996-10-29 | 1998-05-22 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ及びその製造方法 |
KR19990017658A (ko) * | 1997-08-25 | 1999-03-15 | 윤종용 | 몰리브덴 또는 몰리브덴 합금을 이용한 반도체 장치의 제조방법 |
KR19990025891A (ko) * | 1997-09-19 | 1999-04-06 | 윤종용 | 금속막과 그 위에 절연층을 포함하는 반도체 장치의 제조 방법 |
KR19990075407A (ko) * | 1998-03-20 | 1999-10-15 | 윤종용 | 박막 트랜지스터 기판의 제조 방법 |
-
1999
- 1999-06-28 KR KR1019990024607A patent/KR100590917B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10135465A (ja) * | 1996-10-29 | 1998-05-22 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ及びその製造方法 |
KR19990017658A (ko) * | 1997-08-25 | 1999-03-15 | 윤종용 | 몰리브덴 또는 몰리브덴 합금을 이용한 반도체 장치의 제조방법 |
KR19990025891A (ko) * | 1997-09-19 | 1999-04-06 | 윤종용 | 금속막과 그 위에 절연층을 포함하는 반도체 장치의 제조 방법 |
KR19990075407A (ko) * | 1998-03-20 | 1999-10-15 | 윤종용 | 박막 트랜지스터 기판의 제조 방법 |
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KR20010004022A (ko) | 2001-01-15 |
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