KR101681658B1 - 시트 두께 제어 - Google Patents
시트 두께 제어 Download PDFInfo
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- KR101681658B1 KR101681658B1 KR1020117005784A KR20117005784A KR101681658B1 KR 101681658 B1 KR101681658 B1 KR 101681658B1 KR 1020117005784 A KR1020117005784 A KR 1020117005784A KR 20117005784 A KR20117005784 A KR 20117005784A KR 101681658 B1 KR101681658 B1 KR 101681658B1
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- 239000000155 melt Substances 0.000 claims abstract description 171
- 238000001816 cooling Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 45
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 29
- 239000010703 silicon Substances 0.000 claims abstract description 29
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 229910002601 GaN Inorganic materials 0.000 abstract description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 abstract description 2
- 241001331845 Equus asinus x caballus Species 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 17
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000002109 crystal growth method Methods 0.000 description 1
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- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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- 239000010937 tungsten Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
Description
도 1은 용융물에서 시트를 분리하는 장치의 실시예의 측단면도이다.
도 2는 용융물에서 시트를 풀링하는 장치의 실시예의 측단면도이다.
도 3은 도 1의 장치를 이용하는 용융물 내의 박막화의 측단면도이다.
도 4는 도 2의 장치를 이용하는 용융물 내의 박막화의 측단면도이다.
도 5는 도 1의 장치를 이용하는 히터에 의한 박막화의 측단면도이다.
도 6은 도 2의 장치를 이용하는 히터에 의한 박막화의 측단면도이다.
도 7은 시트-용융물 인터페이스 근처의 용융물 및 고형물에서의 시간에 대한 농도 프로파일을 나타낸다.
도 8은 도 1의 장치를 사용하는 박막화 및 정화의 측단면도이다.
도 9는 도 2의 장치를 사용하는 박막화 및 정화의 측단면도이다.
도 10은 시트 성장 동안 불순물을 포획하는 측단면도이다.
도 11은 시트를 가열하는 단면도이다.
Claims (20)
- 실리콘, 게르마늄, 또는 갈륨 중 적어도 하나를 포함하는 물질로부터 시트를 형성하는 방법에 있어서,
용융물을 형성하기 위하여 상기 물질을 가열하는 단계;
상기 용융물을 상기 용융물을 포함하도록 구성된 관(vessel) 내의 채널 내로 도입하는 단계;
상기 채널의 제1 영역에서 상기 용융물을 제어가능하게 냉각함으로써 상기 용융물의 표면 상에 상기 물질의 시트를 형성하는 단계로서, 상기 형성하는 단계 이후에 상기 시트는 제1 두께를 갖는, 단계;
상기 시트가 상기 용융물의 상기 표면 상에 떠 있는 상태에서 상기 시트를 상기 제1 영역의 하류의 상기 채널의 제2 영역으로 수평적으로 수송하는 단계로서, 상기 용융물의 온도 및 상기 수송의 속도가 제어되는, 단계;
상기 시트가 상기 제2 영역에서 상기 용융물의 상기 표면 상에 있는 동안 상기 시트를 상기 제1 두께로부터 제2 두께로 박막화(thinning)하는 단계로서, 상기 제2 두께는 상기 제1 두께보다 작고, 상기 박막화하는 단계는 상기 형성하는 단계 이후에 상기 용융물을 제어가능하게 가열함으로써 일어나는, 단계; 및
상기 박막화하는 단계 이후에 상기 시트를 상기 용융물로부터 분리하는 단계를 포함하는, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 박막화하는 단계 동안 상기 용융물로부터의 열 플럭스(heat flux)를 이용하여 상기 시트의 표면을 평탄화하는 단계를 더 포함하는, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 제2 두께는 50 μm 내지 100 μm 사이이고, 상기 제1 두께는 150 μm 내지 200 μm 사이인, 시트를 형성하는 방법. - 청구항 2에 있어서,
상기 박막화하는 단계는 적어도 1 μm/s의 속도로 일어나는, 시트를 형성하는 방법. - 청구항 3에 있어서,
상기 제1 두께는 200 μm이고 상기 제2 두께는 100 μm인, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 제어가능하게 냉각하는 단계는 제어가능하게 방사 냉각하는 단계를 포함하는, 시트를 형성하는 방법. - 청구항 6에 있어서,
상기 제어가능하게 방사 냉각하는 단계는 냉각판을 사용하는 것을 포함하는, 시트를 형성하는 방법. - 청구항 7에 있어서,
상기 제어가능하게 방사 냉각하는 단계는 상기 제1 두께에 영향을 주기 위하여 상기 냉각판의 온도를 제어하는 단계를 포함하는, 시트를 형성하는 방법. - 청구항 7에 있어서,
상기 냉각판의 온도는 상기 용융물의 상기 온도와 300 K만큼 차이가 나는, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 용융물의 상기 온도를 제어하는 상기 단계는, 상기 용융물을 상기 제어가능하게 가열하기 위해 사용되는 히터의 온도를 제어하는 단계 또는 상기 용융물을 포함하는 상기 관의 온도를 제어하는 단계 중 적어도 하나를 포함하는, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 수송의 상기 속도를 제어하는 것은 상기 시트의 상기 제1 두께 또는 상기 제 2 두께 중 적어도 하나에 영향을 주는, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 관의 온도는 상기 용융물의 어느점보다 2 K 더 높은, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 분리하는 단계는 방수로를 사용하는 단계를 포함하는, 시트를 형성하는 방법. - 청구항 1에 있어서,
상기 분리하는 단계는 시드를 이용하여 상기 용융물로부터 상기 시트를 풀링하는 단계를 포함하는, 시트를 형성하는 방법. - 삭제
- 삭제
- 삭제
- 삭제
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US12/539,125 US8475591B2 (en) | 2008-08-15 | 2009-08-11 | Method of controlling a thickness of a sheet formed from a melt |
PCT/US2009/053588 WO2010019695A2 (en) | 2008-08-15 | 2009-08-12 | Sheet thickness control |
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US20100038826A1 (en) | 2010-02-18 |
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