JP4350465B2 - 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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- JP4350465B2 JP4350465B2 JP2003314245A JP2003314245A JP4350465B2 JP 4350465 B2 JP4350465 B2 JP 4350465B2 JP 2003314245 A JP2003314245 A JP 2003314245A JP 2003314245 A JP2003314245 A JP 2003314245A JP 4350465 B2 JP4350465 B2 JP 4350465B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 63
- 239000004065 semiconductor Substances 0.000 title claims description 36
- 239000010408 film Substances 0.000 claims description 158
- 238000000034 method Methods 0.000 claims description 67
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 64
- 239000010409 thin film Substances 0.000 claims description 52
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 26
- 230000003647 oxidation Effects 0.000 claims description 21
- 238000007254 oxidation reaction Methods 0.000 claims description 21
- 230000001590 oxidative effect Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical class O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000001678 irradiating effect Effects 0.000 claims description 10
- 238000005229 chemical vapour deposition Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 45
- 238000005224 laser annealing Methods 0.000 description 13
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000007796 conventional method Methods 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- 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
- H01L21/02686—Pulsed laser beam
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- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02422—Non-crystalline insulating materials, e.g. glass, polymers
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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
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02488—Insulating materials
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- H01L21/02104—Forming layers
- 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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- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
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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
- H01L21/02656—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
- H01L21/02678—Beam shaping, e.g. using a mask
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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
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
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- 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
- H01L21/268—Bombardment with radiation with high-energy radiation using electromagnetic radiation, e.g. laser radiation
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- 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
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- 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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- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
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Description
図1から図14を参照して、本発明に基づく実施の形態1における半導体装置の製造方法について説明する。
図13および図14を参照して、本発明に基づく実施の形態2における半導体装置の製造方法について説明する。
本発明に基づく実施の形態3においては、実施の形態1の照射工程における、Nd:YAGレーザの第2高調波発振装置の代わりに、Nd:YAGレーザの第3高調波発振装置を用いてアモルファスシリコン膜にレーザ光を照射した。第3高調波発振装置から発振されるレーザ光の波長は355nmである。レーザ光の光学系や、絶縁基板およびアモルファスシリコン膜を移動しながらレーザ光を照射することなど、照射するレーザ光以外については実施の形態1と同様である。
本発明に基づく実施の形態4においては、実施の形態1の照射工程における、Nd:YAGレーザの第2高調波発振装置の代わりに、チタンサファイアレーザ発振装置を用いた。このレーザ発振装置は、波長が可変の発振装置であり、波長が700nmから800nmのレーザ光を発振することができる。レーザ光の光学系や、絶縁基板およびアモルファスシリコン膜を移動しながらレーザ光を照射することなど、照射するレーザ光以外については実施の形態1と同様である。
本発明に基づく実施の形態5においては、実施の形態1と同様に、波長が532nmのNd:YAGレーザの第2高調波発振装置を用いて、多結晶シリコン膜を形成した後の酸化工程において、温度500℃、圧力20気圧の飽和水蒸気雰囲気中で、多結晶シリコン膜の表面を酸化してゲート絶縁膜を形成した。
本発明に基づく実施の形態6においては、実施の形態1と同様に、波長が532nmのNd:YAGレーザの第2高調波発振装置を用いて、多結晶シリコン膜を形成した後の酸化工程において、温度650℃、圧力10気圧(1.013MPa)の飽和水蒸気雰囲気中で、多結晶シリコン膜の表面を酸化して、ゲート絶縁膜を形成した。
Claims (3)
- 基板上に非晶質シリコン膜を形成する非晶質シリコン積層工程と、
前記非晶質シリコン膜にレーザ光を照射して、前記非晶質シリコン膜の少なくとも一部を多結晶シリコン膜に変換する照射工程と、
前記照射工程の後に、酸素を含む雰囲気中で前記多結晶シリコン膜の表面を酸化する酸化工程と
を含み、
前記レーザ光として、波長が350nm以上800nm以下のパルスレーザ光を、幅方向に少なくとも3(mJ/cm2)/μm以上のエネルギー密度勾配を有する線状ビームに変換したものを用いて、
前記酸化工程は、温度が500℃以上650℃以下、かつ圧力が10気圧以上の飽和水蒸気の雰囲気中で行なう、半導体装置の製造方法。 - 前記酸化工程によって酸化した前記多結晶シリコン膜の上面に対して、化学気相成長法によって酸化シリコンをさらに積層する工程を含む、請求項1に記載の半導体装置の製造方法。
- 前記照射工程は、前記幅方向が、形成されるべき薄膜トランジスタのソース領域とドレイン領域とを結ぶ方向に対して平行になるように前記レーザ光を照射する、請求項1または2に記載の半導体装置の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003314245A JP4350465B2 (ja) | 2003-09-05 | 2003-09-05 | 半導体装置の製造方法 |
CNA2004800014920A CN1717781A (zh) | 2003-09-05 | 2004-08-31 | 半导体器件的制造方法 |
US10/531,991 US20060046363A1 (en) | 2003-09-05 | 2004-08-31 | Process for producing semiconductor device |
PCT/JP2004/012537 WO2005024924A1 (ja) | 2003-09-05 | 2004-08-31 | 半導体装置の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003314245A JP4350465B2 (ja) | 2003-09-05 | 2003-09-05 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005085886A JP2005085886A (ja) | 2005-03-31 |
JP4350465B2 true JP4350465B2 (ja) | 2009-10-21 |
Family
ID=34269795
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Application Number | Title | Priority Date | Filing Date |
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JP2003314245A Expired - Fee Related JP4350465B2 (ja) | 2003-09-05 | 2003-09-05 | 半導体装置の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060046363A1 (ja) |
JP (1) | JP4350465B2 (ja) |
CN (1) | CN1717781A (ja) |
WO (1) | WO2005024924A1 (ja) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2564725B2 (ja) * | 1991-12-24 | 1996-12-18 | 株式会社半導体エネルギー研究所 | Mos型トランジスタの作製方法 |
TW279275B (ja) * | 1993-12-27 | 1996-06-21 | Sharp Kk | |
US5880041A (en) * | 1994-05-27 | 1999-03-09 | Motorola Inc. | Method for forming a dielectric layer using high pressure |
DE69528970D1 (de) * | 1995-06-30 | 2003-01-09 | St Microelectronics Srl | Herstellungsverfahren eines Schaltkreises, der nichtflüchtige Speicherzellen und Randtransistoren enthält, und entsprechender IC |
US5985740A (en) * | 1996-01-19 | 1999-11-16 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device including reduction of a catalyst |
JP3729955B2 (ja) * | 1996-01-19 | 2005-12-21 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
JP3645379B2 (ja) * | 1996-01-19 | 2005-05-11 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
US5888858A (en) * | 1996-01-20 | 1999-03-30 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and fabrication method thereof |
US6063654A (en) * | 1996-02-20 | 2000-05-16 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a thin film transistor involving laser treatment |
JP3959536B2 (ja) * | 1997-08-19 | 2007-08-15 | 石川島播磨重工業株式会社 | 半導体膜の成形方法及び半導体基板の製造方法 |
TW445545B (en) * | 1999-03-10 | 2001-07-11 | Mitsubishi Electric Corp | Laser heat treatment method, laser heat treatment apparatus and semiconductor device |
JP3908405B2 (ja) * | 1999-03-31 | 2007-04-25 | 三菱電機株式会社 | レーザ熱処理方法 |
-
2003
- 2003-09-05 JP JP2003314245A patent/JP4350465B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-31 CN CNA2004800014920A patent/CN1717781A/zh active Pending
- 2004-08-31 US US10/531,991 patent/US20060046363A1/en not_active Abandoned
- 2004-08-31 WO PCT/JP2004/012537 patent/WO2005024924A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN1717781A (zh) | 2006-01-04 |
WO2005024924A1 (ja) | 2005-03-17 |
JP2005085886A (ja) | 2005-03-31 |
US20060046363A1 (en) | 2006-03-02 |
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