KR100997275B1 - 실리콘 결정화 방법 - Google Patents
실리콘 결정화 방법 Download PDFInfo
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- KR100997275B1 KR100997275B1 KR1020030037740A KR20030037740A KR100997275B1 KR 100997275 B1 KR100997275 B1 KR 100997275B1 KR 1020030037740 A KR1020030037740 A KR 1020030037740A KR 20030037740 A KR20030037740 A KR 20030037740A KR 100997275 B1 KR100997275 B1 KR 100997275B1
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- mask
- laser
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- region
- crystallization
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 40
- 239000010703 silicon Substances 0.000 title claims abstract description 40
- 238000002425 crystallisation Methods 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000013078 crystal Substances 0.000 claims description 39
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 29
- 239000010409 thin film Substances 0.000 claims description 17
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 abstract description 39
- 230000000903 blocking effect Effects 0.000 abstract description 29
- 230000008569 process Effects 0.000 abstract description 21
- 230000007547 defect Effects 0.000 abstract description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 11
- 230000000593 degrading effect Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 15
- 230000008018 melting Effects 0.000 description 13
- 238000002844 melting Methods 0.000 description 13
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 229920005591 polysilicon Polymers 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000005499 laser crystallization Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000002834 transmittance Methods 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
- H01L21/02104—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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- 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/066—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/16—Heating of the molten zone
- C30B13/22—Heating of the molten zone by irradiation or electric discharge
- C30B13/24—Heating of the molten zone by irradiation or electric discharge using electromagnetic waves
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- 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
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
-
- 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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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/903—Dendrite or web or cage technique
- Y10S117/904—Laser beam
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (10)
- 비정질 실리콘 박막이 형성된 기판을 준비하는 단계와;상기 기판의 상부에 다수의 블럭으로 나누어지며 각 블럭에는 투과 패턴이 서로 엇갈리게 배치되고 상기 투과 패턴 사이에 복수의 슬릿을 형성하는 마스크를 위치시키는 단계와;상기 마스크에 레이저 빔을 조사하는 단계와;상기 기판 상의 상기 비정질 실리콘 박막이 상기 마스크의 투과 패턴을 통해서 조사된 레이저 빔에 의해 결정화되는 단계와;상기 기판이 이동함에 따라 상기 마스크의 투과 패턴에 의해서 결정화된 영역이 상기 복수의 슬릿을 통과하며 회절된 레이저에 의해서 재결정화되는 단계;를 포함하고,상기 기판은 스테이지 또는 마스크가 이동함에 따라 결정화가 이루어지고, 1회 이동 거리는 마스크 블럭의 너비만큼인 것을 특징으로 하는 실리콘의 결정화 방법.
- 삭제
- 제 1항에 있어서,상기 마스크의 투과 패턴의 세로 길이는 레이저 빔을 한번 조사하였을 경우 성장할 수 있는 그레인의 최대 성장길이 보다 작거나 같은 것을 특징으로 하는 실리콘의 결정화 방법.
- 제 1항에 있어서,상기 복수의 슬릿은 사각형, 원형, 삼각형, 스트라이프형으로 이루어지는 것을 특징으로 하는 실리콘의 결정화 방법.
- 제 1항에 있어서,상기 복수의 슬릿은 이웃하는 투과 패턴으로부터 일정 간격 이격하여 형성되는 것을 특징으로 하는 실리콘의 결정화 방법.
- 제 1항에 있어서,상기 마스크의 투과 패턴을 통과한 레이저 에너지가 복수의 슬릿을 통과한 레이저 에너지보다 큰 것을 특징으로 하는 실리콘의 결정화 방법.
- 제 1항에 있어서,상기 투과 패턴은 가로로 긴 스트라이프 패턴인 것을 특징으로 하는 실리콘의 결정화 방법.
- 제 1항에 있어서,상기 투과 패턴의 크기가 투과 패턴 사이의 슬릿 크기보다 큰 것을 특징으로 하는 실리콘의 결정화 방법.
- 제 1항에 있어서,상기 마스크에는 동일한 에너지의 레이저가 전면에 조사되는 것을 특징으로 하는 실리콘의 결정화 방법.
- 제 1항에 있어서,상기 마스크의 복수의 슬릿은 조사되는 레이저를 회절시키는 것을 특징으로 하는 실리콘의 결정화 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020030037740A KR100997275B1 (ko) | 2003-06-12 | 2003-06-12 | 실리콘 결정화 방법 |
US10/851,180 US7384476B2 (en) | 2003-06-12 | 2004-05-24 | Method for crystallizing silicon |
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KR1020030037740A KR100997275B1 (ko) | 2003-06-12 | 2003-06-12 | 실리콘 결정화 방법 |
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KR20040106994A KR20040106994A (ko) | 2004-12-20 |
KR100997275B1 true KR100997275B1 (ko) | 2010-11-29 |
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KR1020030037740A KR100997275B1 (ko) | 2003-06-12 | 2003-06-12 | 실리콘 결정화 방법 |
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US (1) | US7384476B2 (ko) |
KR (1) | KR100997275B1 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6555449B1 (en) | 1996-05-28 | 2003-04-29 | Trustees Of Columbia University In The City Of New York | Methods for producing uniform large-grained and grain boundary location manipulated polycrystalline thin film semiconductors using sequential lateral solidfication |
US6792029B2 (en) * | 2002-03-27 | 2004-09-14 | Sharp Laboratories Of America, Inc. | Method of suppressing energy spikes of a partially-coherent beam |
JP4873858B2 (ja) | 2002-08-19 | 2012-02-08 | ザ トラスティーズ オブ コロンビア ユニヴァーシティ イン ザ シティ オブ ニューヨーク | エッジ領域を最小にするために基板のフィルム領域のレーザ結晶化処理方法及び装置並びにそのようなフィルム領域の構造 |
JP4470395B2 (ja) * | 2003-05-30 | 2010-06-02 | 日本電気株式会社 | 半導体薄膜の製造方法及び製造装置、並びに薄膜トランジスタ |
KR100720452B1 (ko) * | 2003-06-30 | 2007-05-22 | 엘지.필립스 엘시디 주식회사 | 레이저 조사 장치 및 이를 이용한 실리콘 결정화 방법 |
KR100546711B1 (ko) * | 2003-08-18 | 2006-01-26 | 엘지.필립스 엘시디 주식회사 | 레이저 조사 장치 및 이를 이용한 실리콘 결정화 방법 |
WO2005029546A2 (en) | 2003-09-16 | 2005-03-31 | The Trustees Of Columbia University In The City Of New York | Method and system for providing a continuous motion sequential lateral solidification for reducing or eliminating artifacts, and a mask for facilitating such artifact reduction/elimination |
WO2005029547A2 (en) * | 2003-09-16 | 2005-03-31 | The Trustees Of Columbia University In The City Of New York | Enhancing the width of polycrystalline grains with mask |
TWI359441B (en) | 2003-09-16 | 2012-03-01 | Univ Columbia | Processes and systems for laser crystallization pr |
TWI351713B (en) | 2003-09-16 | 2011-11-01 | Univ Columbia | Method and system for providing a single-scan, con |
TWI313769B (en) * | 2005-07-15 | 2009-08-21 | Au Optronics Corp | A mask for sequential lateral solidification (sls) process and a method for crystallizing amorphous silicon by using the same |
CN100405546C (zh) * | 2005-08-03 | 2008-07-23 | 友达光电股份有限公司 | 用于连续侧向结晶的掩膜及用此掩膜结晶非晶硅层的方法 |
KR101365185B1 (ko) * | 2005-12-16 | 2014-02-21 | 삼성디스플레이 주식회사 | 실리콘 결정화 마스크 및 이를 갖는 실리콘 결정화 장치 |
KR20070078132A (ko) * | 2006-01-26 | 2007-07-31 | 삼성전자주식회사 | 실리콘 결정화 마스크, 이를 갖는 실리콘 결정화 장치 및이를 이용한 실리콘 결정화 방법 |
US20080090396A1 (en) * | 2006-10-06 | 2008-04-17 | Semiconductor Energy Laboratory Co., Ltd. | Light exposure apparatus and method for making semiconductor device formed using the same |
CN101221902B (zh) * | 2008-02-03 | 2010-11-24 | 友达光电股份有限公司 | 应用于连续性侧向长晶技术的掩膜以及激光结晶方法 |
KR101499232B1 (ko) * | 2008-04-10 | 2015-03-06 | 삼성디스플레이 주식회사 | 규소 결정화용 마스크 및 이를 이용한 다결정 규소 박막형성 방법과 박막 트랜지스터의 제조 방법 |
WO2010103802A1 (ja) * | 2009-03-13 | 2010-09-16 | シャープ株式会社 | 半導体装置およびその製造方法 |
CN103887157B (zh) * | 2014-03-12 | 2021-08-27 | 京东方科技集团股份有限公司 | 光学掩膜板和激光剥离装置 |
CN115990719A (zh) * | 2021-10-18 | 2023-04-21 | 雷杰科技股份有限公司 | 晶粒去除装置及晶粒去除方法 |
Citations (1)
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JP2003100635A (ja) | 2001-09-27 | 2003-04-04 | Sharp Corp | 結晶化装置および結晶化方法および画像表示装置および携帯電子機器 |
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WO1997045827A1 (en) * | 1996-05-28 | 1997-12-04 | The Trustees Of Columbia University In The City Of New York | Crystallization processing of semiconductor film regions on a substrate, and devices made therewith |
EP1354341A1 (en) * | 2001-04-19 | 2003-10-22 | The Trustees Of Columbia University In The City Of New York | Method for single-scan, continuous motion sequential lateral solidification |
KR100379361B1 (ko) * | 2001-05-30 | 2003-04-07 | 엘지.필립스 엘시디 주식회사 | 실리콘막의 결정화 방법 |
KR100558678B1 (ko) * | 2001-06-01 | 2006-03-10 | 엘지.필립스 엘시디 주식회사 | 폴리실리콘 결정화방법 |
KR100424593B1 (ko) * | 2001-06-07 | 2004-03-27 | 엘지.필립스 엘시디 주식회사 | 실리콘 결정화방법 |
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JP4879486B2 (ja) * | 2002-08-19 | 2012-02-22 | ザ トラスティーズ オブ コロンビア ユニヴァーシティ イン ザ シティ オブ ニューヨーク | 基板上のフィルム領域をレーザ結晶化処理してほぼ均一にするプロセス及びシステム、及びこのフィルム領域の構造 |
JP4873858B2 (ja) * | 2002-08-19 | 2012-02-08 | ザ トラスティーズ オブ コロンビア ユニヴァーシティ イン ザ シティ オブ ニューヨーク | エッジ領域を最小にするために基板のフィルム領域のレーザ結晶化処理方法及び装置並びにそのようなフィルム領域の構造 |
KR100956947B1 (ko) * | 2003-06-12 | 2010-05-12 | 엘지디스플레이 주식회사 | 실리콘 결정화 방법 |
KR100546711B1 (ko) * | 2003-08-18 | 2006-01-26 | 엘지.필립스 엘시디 주식회사 | 레이저 조사 장치 및 이를 이용한 실리콘 결정화 방법 |
KR100531416B1 (ko) * | 2003-09-17 | 2005-11-29 | 엘지.필립스 엘시디 주식회사 | Sls 장비 및 이를 이용한 실리콘 결정화 방법 |
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