KR20100084966A - 박막 트랜지스터의 제조 방법 및 전기 광학 장치의 제조 방법 - Google Patents
박막 트랜지스터의 제조 방법 및 전기 광학 장치의 제조 방법 Download PDFInfo
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- KR20100084966A KR20100084966A KR1020090120954A KR20090120954A KR20100084966A KR 20100084966 A KR20100084966 A KR 20100084966A KR 1020090120954 A KR1020090120954 A KR 1020090120954A KR 20090120954 A KR20090120954 A KR 20090120954A KR 20100084966 A KR20100084966 A KR 20100084966A
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- 239000010409 thin film Substances 0.000 title claims abstract description 27
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- 238000005530 etching Methods 0.000 claims abstract description 47
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- 229910052733 gallium Inorganic materials 0.000 claims abstract description 7
- 229910052738 indium Inorganic materials 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 21
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- 238000000059 patterning Methods 0.000 claims description 13
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 229910052715 tantalum Inorganic materials 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 229910052779 Neodymium Inorganic materials 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 2
- 229910007541 Zn O Inorganic materials 0.000 abstract description 5
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 4
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 2
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- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
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- QDGONURINHVBEW-UHFFFAOYSA-N dichlorodifluoroethylene Chemical group FC(F)=C(Cl)Cl QDGONURINHVBEW-UHFFFAOYSA-N 0.000 description 1
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- PVADDRMAFCOOPC-UHFFFAOYSA-N germanium monoxide Inorganic materials [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
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- GNRSAWUEBMWBQH-UHFFFAOYSA-N nickel(II) oxide Inorganic materials [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
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- 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
- H01L29/68—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
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
- H01L29/40—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
-
- 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
Abstract
Description
Claims (10)
- In, Ga 및 Zn 을 함유하는 산화물 반도체막을 형성하는 공정과,상기 산화물 반도체막을 활성층으로 패턴 가공하는 공정과,상기 산화물 반도체막을 500 ℃ 이상에서 열처리하는 공정과,상기 산화물 반도체막이 패턴 가공되고, 또한 열처리된 상기 활성층을 덮도록 금속막을 형성하는 공정과,상기 금속막을 에칭하여 패턴 가공함으로써 상기 활성층과 접촉하는 소스 전극 및 드레인 전극의 적어도 일방을 형성하는 공정을 포함하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 금속막이, Al 또는 Al 을 주성분으로 하여 Nd, Y, Zr, Ta, Si, W 및 Ni 의 적어도 1 종을 함유하는 금속으로 이루어지는 층을 갖는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 금속막이, 상기 산화물 반도체막측으로부터, Al 또는 Al 을 주성분으로 하여 Nd, Y, Zr, Ta, Si, W 및 Ni 의 적어도 1 종을 함유하는 금속으로 이루어지는 제 1 층과, Mo 또는 Ti 을 주성분으로 하는 제 2 층을 갖는 것을 특징으로 하는 박 막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 금속막의 패턴 가공을, 인산, 질산 및 아세트산을 함유하는 수용액을 사용한 웨트 에칭법에 의해 실시하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 산화물 반도체막을 열처리하는 공정을 700 ℃ 미만에서 실시하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 산화물 반도체막을 열처리하는 공정 전후에 있어서 상기 산화물 반도체막이 비정질이 되도록 상기 산화물 반도체막의 형성 및 열처리를 실시하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 산화물 반도체막을 열처리하는 공정을, 상기 산화물 반도체막을 활성층으로 패턴 가공한 후에 실시하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 산화물 반도체막을 열처리하는 공정을, 산소 가스의 존재하에서 실시하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항에 있어서,상기 금속막을 에칭하여 패턴 가공하는 공정에 있어서, 상기 열처리한 산화물 반도체막의 에칭 레이트를 상기 금속막의 에칭 레이트의 1/4 이하로 하는 것을 특징으로 하는 박막 트랜지스터의 제조 방법.
- 제 1 항 내지 제 9 항 중 어느 한 항에 기재된 박막 트랜지스터의 제조 방법을 포함하는 것을 특징으로 하는 전기 광학 장치의 제조 방법.
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US8664097B2 (en) * | 2010-09-13 | 2014-03-04 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method of semiconductor device |
KR101275710B1 (ko) * | 2010-12-22 | 2013-06-14 | 경희대학교 산학협력단 | 듀얼 게이트 박막 트랜지스터의 디플리션 모드를 이용한 산화물 반도체 인버터 |
US8916867B2 (en) * | 2011-01-20 | 2014-12-23 | Semiconductor Energy Laboratory Co., Ltd. | Oxide semiconductor element and semiconductor device |
US9276128B2 (en) * | 2013-10-22 | 2016-03-01 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, method for manufacturing the same, and etchant used for the same |
TWI669761B (zh) * | 2014-05-30 | 2019-08-21 | 日商半導體能源研究所股份有限公司 | 半導體裝置、包括該半導體裝置的顯示裝置 |
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JP5244295B2 (ja) * | 2005-12-21 | 2013-07-24 | 出光興産株式会社 | Tft基板及びtft基板の製造方法 |
JP2007212699A (ja) * | 2006-02-09 | 2007-08-23 | Idemitsu Kosan Co Ltd | 反射型tft基板及び反射型tft基板の製造方法 |
JP2007311404A (ja) * | 2006-05-16 | 2007-11-29 | Fuji Electric Holdings Co Ltd | 薄膜トランジスタの製造方法 |
JP5127183B2 (ja) * | 2006-08-23 | 2013-01-23 | キヤノン株式会社 | アモルファス酸化物半導体膜を用いた薄膜トランジスタの製造方法 |
JP5306179B2 (ja) * | 2007-03-20 | 2013-10-02 | 出光興産株式会社 | スパッタリングターゲット、酸化物半導体膜及び半導体デバイス |
JP5244331B2 (ja) * | 2007-03-26 | 2013-07-24 | 出光興産株式会社 | 非晶質酸化物半導体薄膜、その製造方法、薄膜トランジスタの製造方法、電界効果型トランジスタ、発光装置、表示装置及びスパッタリングターゲット |
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JP2010165999A (ja) | 2010-07-29 |
JP5606680B2 (ja) | 2014-10-15 |
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