JP6403377B2 - 多結晶化方法 - Google Patents
多結晶化方法 Download PDFInfo
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- JP6403377B2 JP6403377B2 JP2013239048A JP2013239048A JP6403377B2 JP 6403377 B2 JP6403377 B2 JP 6403377B2 JP 2013239048 A JP2013239048 A JP 2013239048A JP 2013239048 A JP2013239048 A JP 2013239048A JP 6403377 B2 JP6403377 B2 JP 6403377B2
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- 238000000034 method Methods 0.000 title claims description 39
- 239000004065 semiconductor Substances 0.000 claims description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005224 laser annealing Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000010408 film Substances 0.000 description 87
- 230000003647 oxidation Effects 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 12
- 239000000758 substrate Substances 0.000 description 11
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010409 thin film Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
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- 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
- H01L21/02367—Substrates
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- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02233—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer
- H01L21/02236—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor
- H01L21/02238—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor silicon in uncombined form, i.e. pure silicon
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- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02321—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer
- H01L21/02323—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer introduction of oxygen
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- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02343—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a liquid
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- 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
- H01L21/02686—Pulsed laser beam
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- 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
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
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- 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
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Recrystallisation Techniques (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Liquid Crystal (AREA)
Description
14 自然酸化膜
Claims (4)
- 表面に非晶質半導体膜の水素を除去する熱処理により形成した自然酸化膜を有する前記非晶質半導体膜を多結晶化させる多結晶化方法であって、
前記非晶質半導体膜の表面の前記自然酸化膜を残しながらオゾンを溶解させた液体を前記自然酸化膜に吹き付けて前記自然酸化膜を清浄化する工程と、
前記自然酸化膜を残した状態にて雰囲気酸素濃度は500PPM以下で前記自然酸化膜に含まれる酸素を利用して前記非晶質半導体膜を多結晶化させる工程と
を具備することを特徴とする多結晶化方法。 - 前記液体に溶解させる前記オゾンの濃度は1PPMないし100PPMである
ことを特徴とする請求項1記載の多結晶化方法。 - 前記自然酸化膜を清浄化させる工程では、前記自然酸化膜上での水滴の接触角を15度以内とする
ことを特徴とする請求項1または2記載の多結晶化方法。 - 前記自然酸化膜を残した状態にて前記非晶質半導体膜を多結晶化させる工程は、エキシマレーザーアニール処理である
ことを特徴とする請求項1ないし3いずれか一記載の多結晶化方法。
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JP2013239048A JP6403377B2 (ja) | 2013-11-19 | 2013-11-19 | 多結晶化方法 |
US14/540,458 US9384965B2 (en) | 2013-11-19 | 2014-11-13 | Polycrystallization method |
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JP2013239048A JP6403377B2 (ja) | 2013-11-19 | 2013-11-19 | 多結晶化方法 |
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JP2015099853A JP2015099853A (ja) | 2015-05-28 |
JP6403377B2 true JP6403377B2 (ja) | 2018-10-10 |
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US (1) | US9384965B2 (ja) |
JP (1) | JP6403377B2 (ja) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1092745A (ja) | 1996-09-13 | 1998-04-10 | Toshiba Corp | 結晶半導体の製造方法および製造装置 |
JP4001662B2 (ja) * | 1997-06-27 | 2007-10-31 | 株式会社半導体エネルギー研究所 | シリコンの洗浄方法および多結晶シリコンの作製方法 |
JP4223590B2 (ja) | 1998-06-04 | 2009-02-12 | 東芝松下ディスプレイテクノロジー株式会社 | 多結晶半導体の製造方法 |
JPH11354441A (ja) * | 1998-06-08 | 1999-12-24 | Seiko Epson Corp | 半導体装置の製造方法 |
JP2000353807A (ja) * | 1999-06-11 | 2000-12-19 | Seiko Epson Corp | 薄膜トランジスタの製造方法、アクティブマトリクス基板の製造方法、および電気光学装置 |
JP4919546B2 (ja) * | 2000-09-18 | 2012-04-18 | 東芝モバイルディスプレイ株式会社 | 多結晶シリコン膜の形成方法 |
JP2002124467A (ja) | 2000-10-18 | 2002-04-26 | Matsushita Electric Ind Co Ltd | 多結晶半導体膜の形成方法および薄膜トランジスタの製造方法 |
JP2002141510A (ja) * | 2000-11-01 | 2002-05-17 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタ、アレイ基板、液晶表示装置、有機el表示装置およびその製造方法 |
JP2002353135A (ja) * | 2001-05-23 | 2002-12-06 | Matsushita Electric Ind Co Ltd | 多結晶シリコン薄膜トランジスタの製造方法及びそれをスイッチング素子に用いた液晶表示装置 |
JP2005005302A (ja) * | 2003-06-09 | 2005-01-06 | Sharp Corp | 半導体製造方法および製造装置 |
JP2007142027A (ja) * | 2005-11-16 | 2007-06-07 | Hitachi Displays Ltd | 表示装置の製造方法 |
JP2007208147A (ja) * | 2006-02-03 | 2007-08-16 | Sharp Corp | 結晶性を有する半導体基板の形成方法およびその形成装置、並びに、当該形成方法を用いた半導体装置の製造方法 |
JP2007053398A (ja) * | 2006-10-18 | 2007-03-01 | Semiconductor Energy Lab Co Ltd | 結晶性珪素膜の作製方法及び薄膜トランジスタの作製方法 |
US7799658B2 (en) * | 2007-10-10 | 2010-09-21 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor substrate and method for manufacturing semiconductor device |
JP2010034463A (ja) | 2008-07-31 | 2010-02-12 | Toshiba Mobile Display Co Ltd | レーザアニール装置 |
RU2471265C1 (ru) * | 2008-10-23 | 2012-12-27 | Шарп Кабусики Кайся | Полупроводниковое устройство, способ его изготовления и дисплейное устройство |
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2013
- 2013-11-19 JP JP2013239048A patent/JP6403377B2/ja active Active
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2014
- 2014-11-13 US US14/540,458 patent/US9384965B2/en active Active
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US20150140794A1 (en) | 2015-05-21 |
US9384965B2 (en) | 2016-07-05 |
JP2015099853A (ja) | 2015-05-28 |
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