JP5926052B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP5926052B2 JP5926052B2 JP2011518841A JP2011518841A JP5926052B2 JP 5926052 B2 JP5926052 B2 JP 5926052B2 JP 2011518841 A JP2011518841 A JP 2011518841A JP 2011518841 A JP2011518841 A JP 2011518841A JP 5926052 B2 JP5926052 B2 JP 5926052B2
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- 239000004065 semiconductor Substances 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims description 88
- 150000004706 metal oxides Chemical class 0.000 claims description 88
- 239000000463 material Substances 0.000 claims description 74
- 230000003993 interaction Effects 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 29
- 239000001301 oxygen Substances 0.000 claims description 29
- 229910052760 oxygen Inorganic materials 0.000 claims description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 28
- 238000004381 surface treatment Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 20
- 238000000151 deposition Methods 0.000 claims description 17
- 230000008021 deposition Effects 0.000 claims description 13
- 238000011282 treatment Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 239000000969 carrier Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000004544 sputter deposition Methods 0.000 claims description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- -1 ITO Inorganic materials 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229910004541 SiN Inorganic materials 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 239000011149 active material Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229920002120 photoresistant polymer Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910004158 TaO Inorganic materials 0.000 claims description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 3
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 3
- NJWNEWQMQCGRDO-UHFFFAOYSA-N indium zinc Chemical compound [Zn].[In] NJWNEWQMQCGRDO-UHFFFAOYSA-N 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000992 sputter etching Methods 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000004528 spin coating Methods 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims 2
- 238000007740 vapor deposition Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 24
- 238000002161 passivation Methods 0.000 description 10
- 239000004033 plastic Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000005300 metallic glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02551—Group 12/16 materials
- H01L21/02554—Oxides
-
- 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
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
-
- 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
- H01L29/66969—Multistep manufacturing processes of devices having semiconductor bodies not comprising group 14 or group 13/15 materials
-
- 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
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
Description
Claims (6)
- 100nm未満の厚さの金属酸化物活性層を有する半導体装置の製造方法であって、上部主要表面および下部主要表面を具備する前記金属酸化物活性層は、酸化亜鉛(ZnO),インジウム酸化亜鉛(InZnO),および,インジウム亜鉛ガリウム酸化物(InZnGaO)のうちの1つを含み、前記下部主要表面および前記上部主要表面は、それぞれ複数の下部および上部界面を形成するための接合状態にある材料を有し、前記複数の下部および上部界面は、ソースおよびドレイン接触領域、および、チャネル領域を含み、隣接する金属酸化物活性層内のキャリヤ密度を調整するために界面相互作用を制御する段階を含む製造方法において、
前記金属酸化物活性層のために金属酸化物を選択することにより、および、前記接合状態にある材料のそれぞれのために特定の材料を選択することにより、前記下部界面および前記上部界面内への相互作用を制御する段階であって、前記特定の材料は、Al2O3,SiO2,SiN,TaO,MgF2,ポリイミド,BCB,フォトレジストのうちの1つから選択された不活性材料、および、Al,Zn,Ti,Ta,ITO,Li,Mgのうちの1つから選択された活性材料のうちの1つを含む、段階と、
前記金属酸化物活性層の堆積の直前に実行される、前記接合状態にある材料を形成する下部材料の表面処理によって前記下部界面内への相互作用を制御すること、および、前記金属酸化物活性層上への前記接合状態にある材料の堆積に先立って実行される前記金属酸化物活性層の前記上部主要表面の表面処理によって前記上部界面内への相互作用を制御すること、のうちの1つを実行する段階と、
から構成され、
前記相互作用を制御する段階は、前記ソースおよびドレイン接触領域内の酸素空孔をcm3当り1018キャリヤを越えて増加させるために前記キャリヤ密度を調整する段階、および、前記チャネル領域内の酸素空孔をcm3当り1018キャリヤ未満に減少させるために前記キャリヤ密度を調整することにより半導体装置の閾値を調整する段階を含む、
ことを特徴とする方法。 - 前記下部材料の表面処理によって前記下部界面内への相互作用を制御する段階は、前記下部材料のイオン・スパッタリング、還元ガスおよび酸化ガスのうちの1つを使用するガス処理、ならびに、液体処理のうちの1つを含むことを特徴とする請求項1記載の方法。
- 前記金属酸化物活性層の前記上部主要表面の表面処理によって前記上部界面内への相互作用を制御する段階は、還元材料および酸化材料のうちの1つを使用するスパッタ・エッチング法を含むことを特徴とする請求項1記載の方法。
- 前記上部界面内への相互作用を制御する段階は、前記金属酸化物活性層上への前記接合状態にある材料の堆積方法を選択する段階をさらに含み、前記選択する段階は、パッシブ方法およびアクティブ方法のうちの1つから選択する段階を含み、前記パッシブ方法は、蒸着、低損傷スパッタリング、溶液に基づく処理、スピン・コーティング、ディッピング、および、プリンティングのうちの1つから選択され、また、前記アクティブ方法は、高温CVDおよびPECVDのうちの1つから選択されることを特徴とする請求項1記載の方法。
- 前記金属酸化物活性層は、厚さ50nm未満であることを特徴とする請求項1記載の方法。
- 半導体装置の製造方法において、
フレキシブルな基板を提供する段階と、
前記フレキシブルな基板によって支持される100nm未満の厚さの金属酸化物活性層を形成する段階であって、上部主要表面および下部主要表面を有する前記金属酸化物活性層は、酸化亜鉛(ZnO),インジウム酸化亜鉛(InZnO),および,インジウム亜鉛ガリウム酸化物(InZnGaO)のうちの1つを含み、前記下部主要表面および前記上部主要表面は、それぞれ複数の下部および上部界面を形成するための接合状態にある材料を有し、前記複数の下部および上部界面は、ソースおよびドレイン接触領域、および、チャネル領域を含み、前記製造方法は、隣接する金属酸化物活性層内のキャリヤ密度を調整するために界面相互作用を制御する段階を含む、段階と、
前記金属酸化物活性層のために金属酸化物を選択することにより、および、前記接合状態にある材料のために特定の材料を選択することにより、前記下部界面および前記上部界面内への相互作用を制御する段階であって、前記接合状態にある材料のための特定の材料は、Al2O3,SiO2,SiN,TaO,MgF2,ポリイミド,BCB,フォトレジストのうちの1つから選択された不活性材料、および、Al,Zn,Ti,Ta,ITO,Li,Mgのうちの1つから選択された活性材料のうちの1つを含む、段階と、
前記金属酸化物活性層の堆積の直前に実行される、前記接合状態にある材料を形成する下部材料の表面処理によって前記下部界面内への相互作用を制御すること、および、前記金属酸化物活性層上への前記接合状態にある材料の堆積に先立って実行される前記金属酸化物活性層の前記上部主要表面の表面処理によって前記上部界面内への相互作用を制御すること、のうちの1つを実行する段階であって、前記下部材料の表面処理によって前記下部界面内への相互作用を制御する段階は、前記下部材料のイオン・スパッタリング、還元ガスおよび酸化ガスのうちの1つを使用するガス処理、および、液体処理のうちの1つを含み、前記金属酸化物活性層の前記上部主要表面の表面処理によって前記上部界面内への相互作用を制御する段階は、還元材料および酸化材料のうちの1つを使用するスパッタ・エッチング法を含む、段階と、
から構成され、
前記相互作用を制御する段階は、前記ソースおよびドレイン接触領域内の酸素空孔をcm3当り1018キャリヤを越えて増加させるために前記キャリヤ密度を調整する段階、および、前記チャネル領域内の酸素空孔をcm3当り1018キャリヤ未満に減少させるために前記キャリヤ密度を調整することにより前記半導体装置の閾値を調整する段階を含む、
ことを特徴とする方法。
Applications Claiming Priority (3)
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US12/173,995 | 2008-07-16 | ||
US12/173,995 US7812346B2 (en) | 2008-07-16 | 2008-07-16 | Metal oxide TFT with improved carrier mobility |
PCT/US2009/050542 WO2010009128A1 (en) | 2008-07-16 | 2009-07-14 | Metal oxide tft with improved carrier mobility |
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JP2016019636A Division JP6306069B2 (ja) | 2008-07-16 | 2016-02-04 | 金属酸化物半導体装置および半導体装置を製造する方法 |
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JP2011528510A JP2011528510A (ja) | 2011-11-17 |
JP5926052B2 true JP5926052B2 (ja) | 2016-06-01 |
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JP2016019636A Expired - Fee Related JP6306069B2 (ja) | 2008-07-16 | 2016-02-04 | 金属酸化物半導体装置および半導体装置を製造する方法 |
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US (1) | US7812346B2 (ja) |
EP (2) | EP2308110A4 (ja) |
JP (2) | JP5926052B2 (ja) |
KR (1) | KR20110053961A (ja) |
CN (2) | CN102099938B (ja) |
WO (1) | WO2010009128A1 (ja) |
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KR101645061B1 (ko) | 2009-06-30 | 2016-08-02 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 제조 방법 |
CN102460713B (zh) | 2009-06-30 | 2016-12-07 | 株式会社半导体能源研究所 | 用于制造半导体器件的方法 |
KR101810699B1 (ko) | 2009-06-30 | 2018-01-25 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 제작 방법 |
KR20210131462A (ko) | 2009-07-10 | 2021-11-02 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 액정 표시 장치의 제작 방법 |
CN102598285B (zh) | 2009-11-20 | 2016-08-03 | 株式会社半导体能源研究所 | 用于制造半导体器件的方法 |
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JP2004335804A (ja) | 2003-05-08 | 2004-11-25 | Fuji Photo Film Co Ltd | 固体撮像素子およびその製造方法 |
JP5126730B2 (ja) * | 2004-11-10 | 2013-01-23 | キヤノン株式会社 | 電界効果型トランジスタの製造方法 |
JP5138163B2 (ja) * | 2004-11-10 | 2013-02-06 | キヤノン株式会社 | 電界効果型トランジスタ |
JP4870404B2 (ja) * | 2005-09-02 | 2012-02-08 | 財団法人高知県産業振興センター | 薄膜トランジスタの製法 |
JP4870403B2 (ja) * | 2005-09-02 | 2012-02-08 | 財団法人高知県産業振興センター | 薄膜トランジスタの製法 |
JP2007115735A (ja) * | 2005-10-18 | 2007-05-10 | Toppan Printing Co Ltd | トランジスタ |
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JP4332545B2 (ja) * | 2006-09-15 | 2009-09-16 | キヤノン株式会社 | 電界効果型トランジスタ及びその製造方法 |
US7898042B2 (en) | 2006-11-07 | 2011-03-01 | Cbrite Inc. | Two-terminal switching devices and their methods of fabrication |
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Publication number | Publication date |
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CN104037087A (zh) | 2014-09-10 |
EP2308110A1 (en) | 2011-04-13 |
EP2308110A4 (en) | 2011-08-03 |
EP3012869A1 (en) | 2016-04-27 |
JP2011528510A (ja) | 2011-11-17 |
US20100012932A1 (en) | 2010-01-21 |
CN104037087B (zh) | 2017-08-08 |
JP2016105502A (ja) | 2016-06-09 |
US7812346B2 (en) | 2010-10-12 |
JP6306069B2 (ja) | 2018-04-04 |
WO2010009128A1 (en) | 2010-01-21 |
KR20110053961A (ko) | 2011-05-24 |
CN102099938A (zh) | 2011-06-15 |
CN102099938B (zh) | 2014-05-21 |
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