KR20010004129A - 레이저 어닐링 방법 - Google Patents
레이저 어닐링 방법 Download PDFInfo
- Publication number
- KR20010004129A KR20010004129A KR1019990024742A KR19990024742A KR20010004129A KR 20010004129 A KR20010004129 A KR 20010004129A KR 1019990024742 A KR1019990024742 A KR 1019990024742A KR 19990024742 A KR19990024742 A KR 19990024742A KR 20010004129 A KR20010004129 A KR 20010004129A
- Authority
- KR
- South Korea
- Prior art keywords
- laser beam
- silicon
- thin film
- laser
- silicon thin
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
-
- 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
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—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
- H01L21/02518—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
- H01L21/02518—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
-
- 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
Landscapes
- 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)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Materials Engineering (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (5)
- 실리콘 박막을 완전히 용융시킬 수 있는 에너지 밀도를 가지되, 한 번의 레이저빔 조사로 성장되는 실리콘 그레인의 길이의 두배보다 작은 크기의 폭을 가지는 레이저빔을 마련하는 단계와,상기 레이저빔을 사용하여 실리콘 박막을 1차 조사한 후, 실리콘 그레인을 성장시키는 단계와,상기 레이저빔 폭의 1/2 이하의 중첩율을 가지도록 실리콘 박막에 대하여 상기 레이저빔을 상대적으로 이동시키는 단계와,상기 레이저빔을 사용하여 실리콘 박막을 2차 조사한 후, 실리콘 그레인을 성장시키는 단계를 포함하는 레이저 어닐링 방법.
- 청구항 1에 있어서,상기 레이저빔을 이동시키고 상기 실리콘 박막에 조사하고 실리콘 그레인을 성장시키는 공정을 반복적으로 실시하여 상기 실리콘 박막 전면을 스캐닝하여 결정화하는 레이저 어닐링 방법.
- 청구항 1에 있어서,상기 레이저빔의 1차조사로 성장된 실리콘 그레인이 상기 레이저빔의 2차조사에 의하여 연속적으로 성장시켜서 실리콘 그레인의 길이를 늘리는 레이저 어닐링 방법.
- 청구항 1에 있어서,상기 레이저빔을 다수개로 마련하고, 배열하여 다수개의 레이저빔을 동시에 사용하여 상기 실리콘 박막을 결정화시키는 레이저 어닐링 방법.
- 청구항 4에 있어서,상기 다수개의 레이저빔은 상기 레이저빔의 폭보다 작은 크기의 간격을 가지고 배열되어 실리콘 박막을 결정화시키는 레이저 어닐링 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990024742A KR100327087B1 (ko) | 1999-06-28 | 1999-06-28 | 레이저 어닐링 방법 |
US09/605,409 US6316338B1 (en) | 1999-06-28 | 2000-06-28 | Laser annealing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990024742A KR100327087B1 (ko) | 1999-06-28 | 1999-06-28 | 레이저 어닐링 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010004129A true KR20010004129A (ko) | 2001-01-15 |
KR100327087B1 KR100327087B1 (ko) | 2002-03-13 |
Family
ID=19596038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990024742A KR100327087B1 (ko) | 1999-06-28 | 1999-06-28 | 레이저 어닐링 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6316338B1 (ko) |
KR (1) | KR100327087B1 (ko) |
Cited By (11)
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KR100379361B1 (ko) * | 2001-05-30 | 2003-04-07 | 엘지.필립스 엘시디 주식회사 | 실리콘막의 결정화 방법 |
US6875547B2 (en) | 2002-05-23 | 2005-04-05 | Lg. Philips Lcd Co., Ltd. | Mask for crystallizing amorphous |
KR100482163B1 (ko) * | 2002-10-04 | 2005-04-14 | 엘지.필립스 엘시디 주식회사 | 마스크와 이를 이용한 실리콘 결정화방법 |
US6949422B2 (en) | 2002-12-31 | 2005-09-27 | Lg Philips Lcd Co., Ltd. | Method of crystalizing amorphous silicon for use in thin film transistor |
KR100541486B1 (ko) * | 2001-05-31 | 2006-01-16 | 캐논 가부시끼가이샤 | 결정성 박막 및 그 제조방법, 결정박막을 사용하는 소자, 소자를 사용하는 회로 및 소자 또는 회로를 사용하는 디바이스 |
KR100575235B1 (ko) * | 2003-12-30 | 2006-05-02 | 엘지.필립스 엘시디 주식회사 | 레이저 광학계 및 이를 이용한 결정화 방법 |
KR100919635B1 (ko) * | 2002-12-31 | 2009-09-30 | 엘지디스플레이 주식회사 | 능동행렬 표시장치 |
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KR20110008541A (ko) * | 2009-07-20 | 2011-01-27 | 엘지전자 주식회사 | 태양전지 및 그 제조방법 |
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1999
- 1999-06-28 KR KR1019990024742A patent/KR100327087B1/ko not_active IP Right Cessation
-
2000
- 2000-06-28 US US09/605,409 patent/US6316338B1/en not_active Expired - Lifetime
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100379361B1 (ko) * | 2001-05-30 | 2003-04-07 | 엘지.필립스 엘시디 주식회사 | 실리콘막의 결정화 방법 |
KR100541486B1 (ko) * | 2001-05-31 | 2006-01-16 | 캐논 가부시끼가이샤 | 결정성 박막 및 그 제조방법, 결정박막을 사용하는 소자, 소자를 사용하는 회로 및 소자 또는 회로를 사용하는 디바이스 |
US6875547B2 (en) | 2002-05-23 | 2005-04-05 | Lg. Philips Lcd Co., Ltd. | Mask for crystallizing amorphous |
KR100482163B1 (ko) * | 2002-10-04 | 2005-04-14 | 엘지.필립스 엘시디 주식회사 | 마스크와 이를 이용한 실리콘 결정화방법 |
KR100919635B1 (ko) * | 2002-12-31 | 2009-09-30 | 엘지디스플레이 주식회사 | 능동행렬 표시장치 |
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US6316338B1 (en) | 2001-11-13 |
KR100327087B1 (ko) | 2002-03-13 |
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