JP4263609B2 - 多結晶シリコン用マスク及びこれを利用した薄膜トランジスタの製造方法 - Google Patents
多結晶シリコン用マスク及びこれを利用した薄膜トランジスタの製造方法 Download PDFInfo
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- JP4263609B2 JP4263609B2 JP2003544821A JP2003544821A JP4263609B2 JP 4263609 B2 JP4263609 B2 JP 4263609B2 JP 2003544821 A JP2003544821 A JP 2003544821A JP 2003544821 A JP2003544821 A JP 2003544821A JP 4263609 B2 JP4263609 B2 JP 4263609B2
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims description 57
- 239000010409 thin film Substances 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000000034 method Methods 0.000 claims description 44
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 28
- 238000007711 solidification Methods 0.000 claims description 21
- 230000008023 solidification Effects 0.000 claims description 21
- 239000010408 film Substances 0.000 claims description 20
- 238000002425 crystallisation Methods 0.000 claims description 18
- 230000008025 crystallization Effects 0.000 claims description 17
- 239000004065 semiconductor Substances 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 2
- 238000002310 reflectometry Methods 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 description 13
- 239000002245 particle Substances 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000011856 silicon-based particle Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000002294 plasma sputter deposition Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
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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
- H01L29/68—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
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- H—ELECTRICITY
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- 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
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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
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
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- 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
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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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- 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
- H01L21/02678—Beam shaping, e.g. using a mask
- H01L21/0268—Shape of 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
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02691—Scanning of a beam
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- H—ELECTRICITY
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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
- H01L29/68—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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
- Liquid Crystal (AREA)
Description
Claims (6)
- 照射するレーザビームの透過領域を定義し、一方向に対して順次に減少或いは増加する幅に形成されている複数のスリットパターンを備え、
前記複数のスリットパターンの幅は、それぞれ最小の前記スリットパターンの幅に対して倍数の幅を有し、
前記複数のスリットパターンのそれぞれは、第1の領域幅を有する複数の領域に分離されて配列され、且つ前記複数の領域において前記方向に配列されている前記複数のスリットパターンは、対応するものが同一の中心線上に位置するように配列され、レーザビームの照射ごとに、前記スリットパターンの幅が大きい領域から前記スリットパターンの幅が最小の領域に向かって前記第1の領域幅単位で移動されて使用されることを特徴とする多結晶シリコン用マスク。 - 前記スリットパターンは、それぞれの前記領域で同一の幅で形成されていることを特徴とする請求項1に記載の多結晶シリコン用マスク。
- 絶縁基板の上に非晶質シリコン薄膜を形成する段階と、
透過領域を定義する複数のスリットパターンが一方向に対して順次に減少或いは増加する幅に形成され、前記複数のスリットパターンの幅はそれぞれ最小の前記スリットパターンの幅に対して倍数の幅を有し、且つ前記複数のスリットパターンのそれぞれは第1の領域幅を有する複数の領域に分離されて配列され、前記複数の領域において前記方向に配列されている前記複数のスリットパターンは対応するものが同一の中心線上に位置するように配列されている多結晶シリコン用マスクを、前記スリットパターンの幅が大きい領域から前記スリットパターンの幅が最小の領域に向かって前記第1の領域幅単位で移動してレーザビームを照射する順次的側方凝固結晶工程により、前記非晶質シリコン薄膜を結晶化し半導体層を形成する段階と、
前記半導体層を覆うゲート絶縁膜を形成する段階と、
前記半導体層の前記ゲート絶縁膜の上部にゲート電極を形成する段階と、
前記半導体層に不純物を注入してソース及びドレーン領域を形成する段階と、
前記ゲート電極を覆う層間絶縁膜を形成する段階と、
前記ゲート絶縁膜及び前記層間絶縁膜をエッチングして前記ソース及びドレーン領域を露出する接触孔を各々形成する段階と、
前記接触孔を通じて前記ソース及びドレーン電極と各々連結されるソース及びドレーン電極を各々形成する段階と、を含む薄膜トランジスタの製造方法。 - 前記ドレーン電極と連結される画素電極を形成する段階をさらに含む、請求項3に記載の薄膜トランジスタの製造方法。
- 前記画素電極は透明な導電物質または反射性を有する導電物質で形成される、請求項4に記載の薄膜トランジスタの製造方法。
- 前記スリットパターンは同一の幅で配列されている複数の領域を含み、前記順次的凝固結晶工程は、前記方向に対して前記領域の幅の分前記マスクを移動させながら実施する、請求項3に記載の薄膜トランジスタの製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010070661A KR100796758B1 (ko) | 2001-11-14 | 2001-11-14 | 다결정 규소용 마스크 및 이를 이용한 박막 트랜지스터의제조 방법 |
PCT/KR2002/000111 WO2003043093A1 (en) | 2001-11-14 | 2002-01-24 | A mask for crystallizing polysilicon and a method for forming thin film transistor using the mask |
Publications (3)
Publication Number | Publication Date |
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JP2005510063A JP2005510063A (ja) | 2005-04-14 |
JP2005510063A5 JP2005510063A5 (ja) | 2005-12-22 |
JP4263609B2 true JP4263609B2 (ja) | 2009-05-13 |
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JP2003544821A Expired - Lifetime JP4263609B2 (ja) | 2001-11-14 | 2002-01-24 | 多結晶シリコン用マスク及びこれを利用した薄膜トランジスタの製造方法 |
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US (2) | US7217642B2 (ja) |
JP (1) | JP4263609B2 (ja) |
KR (1) | KR100796758B1 (ja) |
CN (1) | CN1586013B (ja) |
WO (1) | WO2003043093A1 (ja) |
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KR100956947B1 (ko) * | 2003-06-12 | 2010-05-12 | 엘지디스플레이 주식회사 | 실리콘 결정화 방법 |
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KR100997971B1 (ko) | 2003-11-19 | 2010-12-02 | 삼성전자주식회사 | 결정화용 마스크, 이를 이용한 결정화 방법 및 이를포함하는 박막 트랜지스터 표시판의 제조 방법 |
KR101054339B1 (ko) * | 2003-12-04 | 2011-08-04 | 삼성전자주식회사 | 다결정용 마스크 및 이를 이용한 규소 결정화 방법 |
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-
2001
- 2001-11-14 KR KR1020010070661A patent/KR100796758B1/ko active IP Right Grant
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2002
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- 2002-01-24 WO PCT/KR2002/000111 patent/WO2003043093A1/en active Application Filing
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CN1586013B (zh) | 2010-05-12 |
US7781765B2 (en) | 2010-08-24 |
KR20030039653A (ko) | 2003-05-22 |
WO2003043093A1 (en) | 2003-05-22 |
JP2005510063A (ja) | 2005-04-14 |
KR100796758B1 (ko) | 2008-01-22 |
US7217642B2 (en) | 2007-05-15 |
CN1586013A (zh) | 2005-02-23 |
US20050079693A1 (en) | 2005-04-14 |
US20070187846A1 (en) | 2007-08-16 |
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