KR100737911B1 - 저온 다결정 실리콘형 박막 트랜지스터 제조 방법 - Google Patents
저온 다결정 실리콘형 박막 트랜지스터 제조 방법 Download PDFInfo
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- KR100737911B1 KR100737911B1 KR1020010004810A KR20010004810A KR100737911B1 KR 100737911 B1 KR100737911 B1 KR 100737911B1 KR 1020010004810 A KR1020010004810 A KR 1020010004810A KR 20010004810 A KR20010004810 A KR 20010004810A KR 100737911 B1 KR100737911 B1 KR 100737911B1
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 43
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000010703 silicon Substances 0.000 title claims abstract description 42
- 239000010408 film Substances 0.000 claims abstract description 91
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 38
- 239000001301 oxygen Substances 0.000 claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000010409 thin film Substances 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 18
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000000059 patterning Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 238000005468 ion implantation Methods 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 230000033116 oxidation-reduction process Effects 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 1
- 239000002800 charge carrier Substances 0.000 abstract description 8
- 239000013078 crystal Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- 230000007547 defect Effects 0.000 description 15
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02675—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using laser beams
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02691—Scanning of a beam
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
-
- 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
- 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
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
- H01L29/78675—Polycrystalline or microcrystalline silicon transistor with normal-type structure, e.g. with top gate
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- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- High Energy & Nuclear Physics (AREA)
- Ceramic Engineering (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
- 글래스 기판에 실리콘 예비막을 형성하는 단계;오존수 및 아노드(anode)수 중 적어도 하나를 상기 실리콘 예비막에 작용시켜 상기 실리콘 예비막에 산소를 함유시키는 단계; 및상기 실리콘 예비막의 다결정 실리콘화를 실시하는 단계를 포함하는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 1 항에 있어서, 상기 오존수는 5 내지 30 PPM의 오존 농도를 갖는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 1 항에 있어서, 상기 아노드수는 +1000mV 이상의 산화환원전위(Oxidation Reduction Potential)를 갖는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 1 항에 있어서, 상기 실리콘 예비막에 산소를 함유시키는 단계에서 상기 실리콘 예비막 표면에 20 내지 100 옹스트롬(Å) 두께를 갖는 산화막이 형성되는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 1 항에 있어서, 상기 다결정 실리콘화를 실시하는 단계에서 레이져 빔 스캐닝 방법을 실시할 때 레이져 빔 조사부를 900℃ 이상의 온도로 1μsec이하의 시간동안 유지하는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 1 항에 있어서, 상기 실리콘 예비막에 산소를 함유시키는 단계는 상기 실리콘 예비막에 대한 세정과 동시에 이루어지는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 글래스 기판에 아몰퍼스 실리콘막을 형성하는 단계;오존수 및 아노드(anode)수 중 적어도 하나를 상기 아몰퍼스 실리콘막에 작용시켜 상기 아몰퍼스 실리콘막에 산소를 함유시키는 단계;산소가 함유된 상기 아몰퍼스 실리콘막에 레이져 빔을 조사하여 다결정 실리콘층으로 변화시키는 단계;상기 다결정 실리콘층 위에 게이트 절연막을 글래스 기판 전면에 걸쳐 형성하는 단계;상기 게이트 절연막 위로 게이트 전극을 형성하는 단계;상기 게이트 전극을 이온주입 마스크로 이용하여 상기 다결정 실리콘층에 불순물 이온주입을 실시하여 소오스 영역 및 드레인 영역을 형성하는 단계;상기 소오스 영역 및 상기 드레인 영역이 형성된 글래스 기판에 절연막을 전면에 적층하고, 상기 소오스 영역 및 상기 드레인 영역 위로 콘택홀을 형성하는 단계; 및상기 콘택홀 위로 도전층을 적층 패터닝하여 전극 및 배선을 형성하는 단계를 포함하는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 7 항에 있어서, 상기 오존수는 5 내지 30 PPM의 오존 농도를 갖는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 7 항에 있어서, 상기 아노드수는 +1000mV 이상의 산화환원전위를 갖는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
- 제 7 항에 있어서, 상기 다결정 실리콘층으로 변화시키는 단계에서 상기 레이져 빔 조사부를 900℃ 이상의 온도로 1μsec이하의 시간동안 유지하는 것을 특징으로 하는 저온 다결정 실리콘형 박막트랜지스터 제조 방법.
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KR1020010004810A KR100737911B1 (ko) | 2001-02-01 | 2001-02-01 | 저온 다결정 실리콘형 박막 트랜지스터 제조 방법 |
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KR100945648B1 (ko) * | 2002-10-29 | 2010-03-04 | 매그나칩 반도체 유한회사 | 반도체 소자의 트랜지스터 및 그 제조 방법 |
CN1324388C (zh) * | 2003-03-14 | 2007-07-04 | 友达光电股份有限公司 | 低温多晶矽薄膜电晶体液晶显示器的制造方法 |
CN103681244B (zh) * | 2013-12-25 | 2016-09-14 | 深圳市华星光电技术有限公司 | 低温多晶硅薄膜的制备方法及其制作系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0794756A (ja) * | 1993-07-27 | 1995-04-07 | Semiconductor Energy Lab Co Ltd | 半導体装置の作製方法 |
KR950012461A (ko) * | 1993-10-20 | 1995-05-16 | 가네꼬 히사시 | 정적형 반도체 메모리 디바이스 |
JPH102000A (ja) * | 1996-06-18 | 1998-01-06 | Yodogawa Steel Works Ltd | 開閉式溝蓋 |
JPH101995A (ja) * | 1996-07-04 | 1998-01-06 | Nippon Soda Co Ltd | トイレ排水管のスケール防止方法 |
KR20000014381A (ko) * | 1998-08-20 | 2000-03-15 | 구본준, 론 위라하디락사 | 박막트랜지스터 및 그 제조방법 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0794756A (ja) * | 1993-07-27 | 1995-04-07 | Semiconductor Energy Lab Co Ltd | 半導体装置の作製方法 |
KR950012461A (ko) * | 1993-10-20 | 1995-05-16 | 가네꼬 히사시 | 정적형 반도체 메모리 디바이스 |
JPH102000A (ja) * | 1996-06-18 | 1998-01-06 | Yodogawa Steel Works Ltd | 開閉式溝蓋 |
JPH101995A (ja) * | 1996-07-04 | 1998-01-06 | Nippon Soda Co Ltd | トイレ排水管のスケール防止方法 |
KR20000014381A (ko) * | 1998-08-20 | 2000-03-15 | 구본준, 론 위라하디락사 | 박막트랜지스터 및 그 제조방법 |
Non-Patent Citations (3)
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07094756 |
10-1995-12461 |
10-2000-14381 |
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