KR100796606B1 - 박막트랜지스터의 제조방법 - Google Patents
박막트랜지스터의 제조방법 Download PDFInfo
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- KR100796606B1 KR100796606B1 KR1020060074899A KR20060074899A KR100796606B1 KR 100796606 B1 KR100796606 B1 KR 100796606B1 KR 1020060074899 A KR1020060074899 A KR 1020060074899A KR 20060074899 A KR20060074899 A KR 20060074899A KR 100796606 B1 KR100796606 B1 KR 100796606B1
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- photoresist
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- 239000010409 thin film Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 24
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- 239000004065 semiconductor Substances 0.000 claims abstract description 55
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 52
- 239000012535 impurity Substances 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000011229 interlayer Substances 0.000 claims abstract description 11
- 238000005530 etching Methods 0.000 claims abstract 2
- 229910021478 group 5 element Inorganic materials 0.000 claims description 14
- 239000010408 film Substances 0.000 claims description 13
- 238000002425 crystallisation Methods 0.000 description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 2
- 238000004380 ashing Methods 0.000 description 2
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- 238000007715 excimer laser crystallization Methods 0.000 description 2
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- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-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
- 230000002411 adverse Effects 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
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- -1 for example Inorganic materials 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
-
- 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
- H01L27/04—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 a semiconductor body
- H01L27/08—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 a semiconductor body including only semiconductor components of a single kind
- H01L27/085—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 a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—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 a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—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 a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
-
- 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
- H01L27/1259—Multistep manufacturing methods
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (8)
- 기판을 제공하고,상기 기판 상에 다결정 실리콘층을 형성하고,상기 다결정 실리콘층에 제1불순물을 주입하고,상기 다결정 실리콘층 상에 포토레지스트를 형성하고,상기 다결정 실리콘층을 식각하여 제1 및 제2반도체층을 형성하고,상기 제1반도체층 상에 위치한 포토레지스트를 제거하여 상기 제1반도체층에 제2불순물을 주입하고,상기 제2반도체층 상에 포토레지스트를 제거하고,상기 기판 전면에 게이트 절연막을 형성하고,상기 게이트 절연막 상에 게이트 전극을 형성하고,상기 제1 및 제2반도체층에 제1불순물을 주입하고 상기 제2반도체층에 제2불순물을 주입하고,상기 게이트 전극 상에 층간 절연막을 형성하고,상기 층간 절연막 상에 소스/드레인 전극을 형성하는 것을 포함하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 1항에 있어서,상기 제1불순물은 3족 또는 5족원소인 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 1항에 있어서,상기 제2불순물은 3족 또는 5족원소 중 상기 제1불순물 이외에 하나인 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 1항에 있어서,상기 포토레지스트를 형성하는 것은 상기 기판 전면에 포토레지스트를 도포하고 하프톤마스크를 사용하여 두께가 서로 다른 제1 및 제2포토레지스트를 형성하는 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 4항에 있어서,상기 제1포토레지스트는 상기 제1반도체층 상에 위치하고, 상기 제2포토레지스트의 두께보다 얇은 포토레지스트인 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 1항에 있어서,상기 제2반도체층에 제2불순물을 주입하는 공정은 상기 제1반도체층 상에 포토레지스트를 형성하고 상기 제2반도체층에 제2불순물을 주입하고 상기 포토레지스트를 제거하는 것임을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 1항에 있어서,상기 제1반도체층은 NMOS 또는 PMOS 박막트랜지스터인 것을 특징으로 하는 박막트랜지스터의 제조방법.
- 제 1항에 있어서,상기 제2반도체층은 NMOS 또는 PMOS 박막트랜지스터 중 상기 제1반도체층 이외의 박막트랜지스터인 것을 특징으로 하는 박막트랜지스터의 제조방법.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9349781B2 (en) | 2012-11-20 | 2016-05-24 | Samsung Display Co., Ltd. | Organic light emitting diode display and method of manufacturing the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050121601A (ko) * | 2004-06-22 | 2005-12-27 | 삼성에스디아이 주식회사 | Cmos 박막트랜지스터 및 그의 제조 방법 |
KR20060001754A (ko) * | 2004-06-30 | 2006-01-06 | 삼성에스디아이 주식회사 | 씨모스 박막트랜지스터의 제조방법 및 그를 사용하여제조된 씨모스 박막트랜지스터 |
KR20060014671A (ko) * | 2004-08-11 | 2006-02-16 | 삼성에스디아이 주식회사 | 박막트랜지스터 제조 방법 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20050121601A (ko) * | 2004-06-22 | 2005-12-27 | 삼성에스디아이 주식회사 | Cmos 박막트랜지스터 및 그의 제조 방법 |
KR20060001754A (ko) * | 2004-06-30 | 2006-01-06 | 삼성에스디아이 주식회사 | 씨모스 박막트랜지스터의 제조방법 및 그를 사용하여제조된 씨모스 박막트랜지스터 |
KR20060014671A (ko) * | 2004-08-11 | 2006-02-16 | 삼성에스디아이 주식회사 | 박막트랜지스터 제조 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9349781B2 (en) | 2012-11-20 | 2016-05-24 | Samsung Display Co., Ltd. | Organic light emitting diode display and method of manufacturing the same |
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