KR101045204B1 - 연속 측방 고상법을 이용하여 단결정 실리콘 박막을형성하는 방법 - Google Patents
연속 측방 고상법을 이용하여 단결정 실리콘 박막을형성하는 방법 Download PDFInfo
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- KR101045204B1 KR101045204B1 KR1020040008175A KR20040008175A KR101045204B1 KR 101045204 B1 KR101045204 B1 KR 101045204B1 KR 1020040008175 A KR1020040008175 A KR 1020040008175A KR 20040008175 A KR20040008175 A KR 20040008175A KR 101045204 B1 KR101045204 B1 KR 101045204B1
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- 238000000034 method Methods 0.000 title claims abstract description 97
- 239000010409 thin film Substances 0.000 title claims abstract description 49
- 229910021421 monocrystalline silicon Inorganic materials 0.000 title claims abstract description 30
- 239000013078 crystal Substances 0.000 claims abstract description 76
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 230000001678 irradiating effect Effects 0.000 claims abstract description 10
- 238000000059 patterning Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 3
- 238000010532 solid phase synthesis reaction Methods 0.000 abstract description 2
- 238000002425 crystallisation Methods 0.000 description 43
- 230000008025 crystallization Effects 0.000 description 41
- 238000001914 filtration Methods 0.000 description 40
- 230000008569 process Effects 0.000 description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 16
- 229910052710 silicon Inorganic materials 0.000 description 16
- 239000010703 silicon Substances 0.000 description 16
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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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
- H01L21/04—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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- 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
- H01L21/02691—Scanning of a beam
-
- 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
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L27/1281—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 by using structural features to control crystal growth, e.g. placement of grain filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L27/1296—Multistep manufacturing methods adapted to increase the uniformity of device parameters
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- High Energy & Nuclear Physics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Recrystallisation Techniques (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (19)
- 기판 위에 증착된 비정질 실리콘 층을 결정화하는 방법에 있어서,결정의 성장이 시작될 제1영역, 입계가 없는 단결정이 성장될 제3영역, 및 상기 제1영역과 제3영역 사이에 연결된 것으로, 상기 제1영역에서 발생한 입계가 제3영역에 도달하는 것을 방지하기 위해 상기 제1영역 및 제2영역에 비해 폭이 좁게 형성된 제2영역을 갖도록, 상기 비정질 실리콘 층을 패터닝하는 단계;상기 제1영역 위에 마스크층을 부분적으로 형성하는 단계; 및선형 빔 SLS 방법을 이용하여 상기 제1영역으로부터 제3영역까지 순차적으로 한 스텝씩 레이저 빔을 조사함으로써 상기 비정질 실리콘 층을 결정화하는 단계를 포함하며,상기 마스크층은 레이저 빔의 진행 방향을 따라 그 폭이 점차 좁아지도록 형성되어 있는 단결정 실리콘 박막 형성 방법.
- 제 1 항에 있어서,상기 제3영역의 일부분은 상기 제2영역을 향해 점차 폭이 좁아지도록 테이퍼 진 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 2 항에 있어서상기 제3영역의 나머지 부분은 일정한 폭을 유지하는 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 마스크층은 레이저 빔을 반사하는 재질인 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 4 항에 있어서,상기 마스크층은 Al을 포함하는 재질인 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 4 항에 있어서,상기 마스크층은 꼭지점을 갖는 형태인 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 6 항에 있어서,상기 마스크층은, 상기 제1영역에서 형성되기 시작된 입계의 방향을 비스듬하게 바꿀 수 있도록, 상기 제2영역과 대향하는 방향에 꼭지점이 위치하는 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 7 항에 있어서,상기 마스크층의 꼭지점은 상기 제1영역의 폭 중심선 위에 위치하는 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 8 항에 있어서,상기 마스크층은 상기 제1영역의 폭 중심선을 기준으로 대칭인 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 1 항에 있어서,상기 제2영역은 상기 제1영역의 일측 중심에서 레이저의 진행 방향으로 연장된 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 12 항에 있어서,상기 제2영역은 소정의 각도로 적어도 1회 이상 꺾인 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 13 항에 있어서,상기 제2영역은, 상기 제2영역이 소정의 각도로 꺾인 제1꺾임부와, 상기 제2영역이 상기 각도만큼 반대 방향으로 다시 한번 꺾인 제2꺾임부를 가지며, 상기 제1꺾임부는 제2꺾임부 보다 제1영역에 가까운 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 14 항에 있어서,상기 마스크층의 꼭지점과 제1꺾임부의 내측 꺾임점을 잇는 선분의 기울기는 상기 제1꺾임부의 내측 꺾임점과 제2꺾임부의 내측 꺾임점을 잇는 선분의 기울기 보다 큰 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 13 항 또는 제 15 항에 있어서,상기 제1영역의 폭은 제2영역에 가까워질수록 점차적으로 감소하는 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
- 제 1 항 또는 제 11 항에 있어서,상기 제2영역은 상기 제1영역의 일측 중심에서 소정의 거리만큼 벗어난 위치에서 레이저의 진행 방향으로 연장된 것을 특징으로 하는 단결정 실리콘 박막 형성 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020040008175A KR101045204B1 (ko) | 2004-02-07 | 2004-02-07 | 연속 측방 고상법을 이용하여 단결정 실리콘 박막을형성하는 방법 |
JP2005029126A JP4689288B2 (ja) | 2004-02-07 | 2005-02-04 | 連続側面固相法を利用して単結晶シリコン薄膜を形成する方法 |
US11/051,338 US7238559B2 (en) | 2004-02-07 | 2005-02-07 | Method of forming single crystal silicon thin film using sequential lateral solidification (SLS) |
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KR1020040008175A KR101045204B1 (ko) | 2004-02-07 | 2004-02-07 | 연속 측방 고상법을 이용하여 단결정 실리콘 박막을형성하는 방법 |
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KR20050079861A KR20050079861A (ko) | 2005-08-11 |
KR101045204B1 true KR101045204B1 (ko) | 2011-06-30 |
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US (1) | US7238559B2 (ko) |
JP (1) | JP4689288B2 (ko) |
KR (1) | KR101045204B1 (ko) |
Families Citing this family (6)
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US6792029B2 (en) * | 2002-03-27 | 2004-09-14 | Sharp Laboratories Of America, Inc. | Method of suppressing energy spikes of a partially-coherent beam |
KR100707176B1 (ko) * | 2005-01-13 | 2007-04-13 | 삼성전자주식회사 | 단결정 실리콘으로 구성된 박막 트랜지스터의 채널 영역형성 방법 |
TWI256138B (en) * | 2005-02-01 | 2006-06-01 | Ind Tech Res Inst | Method of fabricating a poly-silicon thin film transistor |
TWI299431B (en) * | 2005-08-23 | 2008-08-01 | Au Optronics Corp | A mask for sequential lateral solidification (sls) process and a method thereof |
KR100713894B1 (ko) * | 2006-03-17 | 2007-05-04 | 비오이 하이디스 테크놀로지 주식회사 | 결정화 패턴 및 이를 이용한 비정질실리콘의 결정화 방법 |
KR102470876B1 (ko) * | 2021-01-28 | 2022-11-25 | 재단법인대구경북과학기술원 | 모놀리식 3차원 소자의 상부층 고결정화 방법 및 이를 통해 제조된 모놀리식 3차원 소자 |
Citations (3)
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JP2001274088A (ja) | 2001-02-28 | 2001-10-05 | Trustees Of Columbia Univ In The City Of New York | 基板上の半導体膜領域の結晶化処理及びこの方法により製造されたデバイス |
JP2002118061A (ja) * | 2000-10-05 | 2002-04-19 | Sharp Corp | 結晶性半導体膜の形成方法および半導体装置並びにディスプレイ装置 |
JP2002329667A (ja) | 2000-11-11 | 2002-11-15 | Seung Ki Joo | シリコン薄膜結晶化方法および薄膜トランジスタの製造方法 |
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JPH03250620A (ja) * | 1990-02-27 | 1991-11-08 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
US5817548A (en) * | 1995-11-10 | 1998-10-06 | Sony Corporation | Method for fabricating thin film transistor device |
KR100327087B1 (ko) * | 1999-06-28 | 2002-03-13 | 구본준, 론 위라하디락사 | 레이저 어닐링 방법 |
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JP2002118061A (ja) * | 2000-10-05 | 2002-04-19 | Sharp Corp | 結晶性半導体膜の形成方法および半導体装置並びにディスプレイ装置 |
JP2002329667A (ja) | 2000-11-11 | 2002-11-15 | Seung Ki Joo | シリコン薄膜結晶化方法および薄膜トランジスタの製造方法 |
JP2001274088A (ja) | 2001-02-28 | 2001-10-05 | Trustees Of Columbia Univ In The City Of New York | 基板上の半導体膜領域の結晶化処理及びこの方法により製造されたデバイス |
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Publication number | Publication date |
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KR20050079861A (ko) | 2005-08-11 |
JP2005223337A (ja) | 2005-08-18 |
JP4689288B2 (ja) | 2011-05-25 |
US7238559B2 (en) | 2007-07-03 |
US20050176189A1 (en) | 2005-08-11 |
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