KR100525438B1 - 박막 트랜지스터 및 그 제조방법 - Google Patents
박막 트랜지스터 및 그 제조방법 Download PDFInfo
- Publication number
- KR100525438B1 KR100525438B1 KR10-2002-0021958A KR20020021958A KR100525438B1 KR 100525438 B1 KR100525438 B1 KR 100525438B1 KR 20020021958 A KR20020021958 A KR 20020021958A KR 100525438 B1 KR100525438 B1 KR 100525438B1
- Authority
- KR
- South Korea
- Prior art keywords
- polycrystalline silicon
- layer
- silicon layer
- thin film
- conductive layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010409 thin film Substances 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 22
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 66
- 239000012535 impurity Substances 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 150000002500 ions Chemical class 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims description 40
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 26
- 239000010408 film Substances 0.000 claims description 14
- 238000001994 activation Methods 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 229910001120 nichrome Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims description 2
- 230000004913 activation Effects 0.000 abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000011521 glass Substances 0.000 description 8
- 238000005468 ion implantation Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QVMHUALAQYRRBM-UHFFFAOYSA-N [P].[P] Chemical compound [P].[P] QVMHUALAQYRRBM-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
-
- 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
- G02F1/136277—Active matrix addressed cells formed on a semiconductor substrate, e.g. of silicon
-
- 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
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (8)
- 기판 상에서 형성된 발열 도전층과,상기 발열 도전층 상에 형성된 버퍼층과,상기 버퍼층 상에 형성된 다결정 실리콘층과,상기 다결정 실리콘층 상에 형성된 게이트 절연막과,상기 게이트 절연막 상에 형성된 게이트 전극과,상기 게이트 전극 양측의 상기 다결정 실리콘층에 형성된 불순물 영역과,상기 불순물 영역 상에 콘택 홀을 갖고 기판의 전면에 형성된 중간층과,상기 콘택 홀을 통해 상기 불순물 영역에 연결되도록 형성된 소오스/드레인 전극을 포함하여 이루어지며,상기 불순물 영역은 상기 게이트 전극 양측의 상기 다결정 실리콘층에 불순물 이온을 주입함과 동시에 상기 발열 도전층에 전압을 인가하여 상기 다결정 실리콘층을 활성화하는 공정을 통해 형성되는 것은 특징으로 하는 박막트랜지스터.
- 제 1 항에 있어서,상기 발열 도전층은 ITO, 니켈, 크롬, 플라듐, 니크롬 및 이들의 합금 중에 적어도 하나로 형성됨을 특징으로 하는 박막트랜지스터.
- 기판 상에 발열 도전층을 형성하는 공정과,상기 발열 도전층 상에 버퍼층을 형성하는 공정과,상기 버퍼층 상에 다결정 실리콘층을 형성하는 공정과,상기 다결정 실리콘층 상에 게이트 전극을 형성하는 공정과,상기 게이트 전극 양측의 상기 다결정 실리콘층에 불순물 이온을 주입하여 불순물 영역을 형성함과 동시에 상기 발열 도전층에 전압을 인가하여 상기 다결정 실리콘층을 활성화하는 공정과,상기 불순물 영역에 소오스/드레인 전극을 형성하는 공정을 포함하여 이루어짐을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 3 항에 있어서,상기 다결정 실리콘층을 형성하는 공정은,상기 버퍼층 상에 비정질 실리콘을 증착하는 공정과,상기 비정질 실리콘에 레이저를 조사하여 다결정 실리콘층으로 결정화하는 공정과,상기 다결정 실리콘을 패터닝하는 공정을 포함하여 이루어짐을 특징으로 하는 박막트랜지스터의 제조 방법.
- 제 4 항에 있어서,상기 결정화 공정 시, 상기 발열 도전층에 전압을 인가하여 상기 비정질 실리콘층을 가열하는 공정을 더 추가함을 특징으로 하는 박막트랜지스터의 제조 방법.
- 제 3 항에 있어서,상기 발열 도전층은 ITO, 니켈, 크롬, 플라듐, 니크롬 및 이들의 합금 중에 적어도 하나로 형성함을 특징으로 하는 박막트랜지스터.
- 제 3 항에 있어서,상기 활성화 공정 시, 상기 발열 도전층에 전압을 인가하여 상기 다결정 실리콘을 200도 이상으로 가열함을 특징으로 하는 박막트랜지스터 제조방법.
- 제 3 항에 있어서,상기 활성화 공정 시, 레이저를 상기 다결정 실리콘에 조사하는 공정을 더 추가함을 특징으로 하는 박막트랜지스터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0021958A KR100525438B1 (ko) | 2002-04-22 | 2002-04-22 | 박막 트랜지스터 및 그 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0021958A KR100525438B1 (ko) | 2002-04-22 | 2002-04-22 | 박막 트랜지스터 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030083786A KR20030083786A (ko) | 2003-11-01 |
KR100525438B1 true KR100525438B1 (ko) | 2005-11-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0021958A Expired - Fee Related KR100525438B1 (ko) | 2002-04-22 | 2002-04-22 | 박막 트랜지스터 및 그 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100525438B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100593267B1 (ko) * | 2004-03-24 | 2006-07-13 | 네오폴리((주)) | 결정질 실리콘 박막트랜지스터의 제조 방법 |
KR100718960B1 (ko) * | 2005-07-14 | 2007-05-16 | 엘지전자 주식회사 | 유기 박막 트랜지스터 및 이의 제조방법 |
KR100763912B1 (ko) * | 2006-04-17 | 2007-10-05 | 삼성전자주식회사 | 비정질 실리콘 박막트랜지스터 및 이를 구비하는 유기 발광디스플레이 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06291034A (ja) * | 1993-03-31 | 1994-10-18 | Sony Corp | 薄膜の熱処理方法 |
KR19990026441A (ko) * | 1997-09-24 | 1999-04-15 | 윤종용 | 비정질 실리콘을 폴리실리콘으로 결정화하는 방법 |
JPH11261073A (ja) * | 1998-03-13 | 1999-09-24 | Matsushita Electric Ind Co Ltd | 半導体素子および、その加熱方法 |
KR20000018565A (ko) * | 1998-09-03 | 2000-04-06 | 최덕균 | 비정질 실리콘 박막을 결정화하는 방법과이를 이용한 다결정실리콘 박막트랜지스터 제조방법 |
KR20000031708A (ko) * | 1998-11-09 | 2000-06-05 | 구본준 | 실리콘 박막을 결정화하는 방법과 이를 이용한 액정표시장치 제조방법 |
KR20000041015A (ko) * | 1998-12-21 | 2000-07-15 | 구본준 | 실리콘 박막을 결정화하는 방법 |
KR20010067335A (ko) * | 1999-10-19 | 2001-07-12 | 다카노 야스아키 | 반도체 장치의 제조 방법 |
-
2002
- 2002-04-22 KR KR10-2002-0021958A patent/KR100525438B1/ko not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06291034A (ja) * | 1993-03-31 | 1994-10-18 | Sony Corp | 薄膜の熱処理方法 |
KR19990026441A (ko) * | 1997-09-24 | 1999-04-15 | 윤종용 | 비정질 실리콘을 폴리실리콘으로 결정화하는 방법 |
JPH11261073A (ja) * | 1998-03-13 | 1999-09-24 | Matsushita Electric Ind Co Ltd | 半導体素子および、その加熱方法 |
KR20000018565A (ko) * | 1998-09-03 | 2000-04-06 | 최덕균 | 비정질 실리콘 박막을 결정화하는 방법과이를 이용한 다결정실리콘 박막트랜지스터 제조방법 |
KR20000031708A (ko) * | 1998-11-09 | 2000-06-05 | 구본준 | 실리콘 박막을 결정화하는 방법과 이를 이용한 액정표시장치 제조방법 |
KR20000041015A (ko) * | 1998-12-21 | 2000-07-15 | 구본준 | 실리콘 박막을 결정화하는 방법 |
KR20010067335A (ko) * | 1999-10-19 | 2001-07-12 | 다카노 야스아키 | 반도체 장치의 제조 방법 |
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Publication number | Publication date |
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KR20030083786A (ko) | 2003-11-01 |
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