JP3668738B1 - 単結晶育成装置 - Google Patents
単結晶育成装置 Download PDFInfo
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- JP3668738B1 JP3668738B1 JP2004032164A JP2004032164A JP3668738B1 JP 3668738 B1 JP3668738 B1 JP 3668738B1 JP 2004032164 A JP2004032164 A JP 2004032164A JP 2004032164 A JP2004032164 A JP 2004032164A JP 3668738 B1 JP3668738 B1 JP 3668738B1
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- 239000013078 crystal Substances 0.000 title claims abstract description 132
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000010453 quartz Substances 0.000 claims abstract description 84
- 239000002994 raw material Substances 0.000 claims abstract description 49
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 150000004767 nitrides Chemical class 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000001247 metal acetylides Chemical class 0.000 claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052786 argon Inorganic materials 0.000 claims abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910002090 carbon oxide Inorganic materials 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract 2
- 238000001816 cooling Methods 0.000 claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 21
- 230000008020 evaporation Effects 0.000 abstract description 12
- 238000001704 evaporation Methods 0.000 abstract description 12
- 238000000354 decomposition reaction Methods 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 238000002109 crystal growth method Methods 0.000 abstract description 7
- 150000002739 metals Chemical class 0.000 abstract description 7
- 239000000498 cooling water Substances 0.000 description 25
- 238000005192 partition Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 230000008018 melting Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910020073 MgB2 Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000002887 superconductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
【解決手段】 回転楕円面鏡11〜14の一方の焦点F1〜F4に光源15〜18を配置し、他方の焦点F0に被加熱部19を形成し、原料棒32および種結晶棒34を石英管20内に収容した集中加熱方式のフローティング・ゾーン法による単結晶育成方法および装置において、石英管20内を、全圧10気圧を超え100気圧以下の陽圧のアルゴンなどの希ガス、水素、窒素、酸素、酸化炭素、酸化窒素、酸化水素のいずれか、あるいはそれらの混合ガス雰囲気にして、100気圧未満で蒸発または分解し易い酸化物、窒化物、炭化物、硼化物、単体金属および金属間化合物などの蒸発または分解を抑制しながら単結晶を育成する単結晶育成方法および装置。
【選択図】 図1
Description
「Super conductivity in MgB2」J.Nagamatsu 他,Nature,410巻・号,2001.P.63〜64 「Thermodynamics of the Mg-B system : Implications for the deposition of MgB2 thin films」Z.-K.Liu他,Applied Physics Letters,78,2001,P.3678-3680 「Bulk single-crystal growth of strontium ruthenates by a floating-zone method」S.I.Ikeda,Journal Crystal Growth,237,2002.P.787-791
11,12,13,14 回転楕円面鏡
15,16,17,18 光源(赤外線ランプ)
19 被加熱部
20 石英管
21 シール部材
21a Oリング
21b バックアップリング
23,24 冷却手段(水冷ジャケット)
23a,24a 冷却水室
24b 給水側冷却水室部分
24c 排水側冷却水室部分
24d 循環室
25,26 給水管
27,28 排水管
29,30 熱遮蔽部材
29a,30a 円筒状部
31 上主軸
32 原料棒
33 下主軸
34 結晶棒
35 浮遊溶融帯(FZ)
36 排水管接続口金
37 オリフィス
38,39,38a,39a 垂直方向の仕切り部材
40 水平方向の仕切り部材
40a 開口面積が大きい貫通孔
40b 開口面積が小さい貫通孔
F1,F2,F3,F4 回転楕円面鏡の一方の焦点
F0 回転楕円面鏡の他方の焦点
Do 石英管の外径寸法
Di 石英管の内径寸法
t 石英管の肉厚寸法
L 石英管の長さ寸法
Claims (9)
- 回転楕円面鏡の一方の焦点に光源を配置し、他方の焦点に石英管内に収容した原料棒および種結晶棒を配置した集中加熱方式のフローティング・ゾーン法による単結晶育成装置において、
前記原料棒および種結晶棒を収容する石英管を鉛直に配設すると共に該石英管内を10気圧を超え100気圧以下の陽圧に加圧可能にし、前記回転楕円面鏡の上下から上部水冷ジャケットおよび下部水冷ジャケットを挿入し、前記石英管の上端外周部および下端外周部を、シール部材を介して前記上部水冷ジャケットおよび前記下部水冷ジャケットに気密に取付け、前記上部水冷ジャケットの下端および前記下部水冷ジャケットの上端に、それぞれ、円筒状の熱遮蔽部材を前記石英管内に入り込ませて取り付け、上側の前記熱遮蔽部材の下端位置および下側の前記熱遮蔽部材の上端位置を、前記上側および下側の各シール部材よりも前記石英管の長手方向の中心部側に位置するように設定したことを特徴とする単結晶育成装置。 - 前記原料棒および種結晶棒を収容する石英管を、10気圧を超え100気圧以下の陽圧に耐えるように構成したことを特徴とする請求項1に記載の単結晶育成装置。
- 前記原料棒および種結晶棒を収容する石英管内を、10気圧を超え100気圧以下の陽圧のアルゴンなどの希ガス、水素、窒素、酸素、酸化炭素、酸化窒素、酸化水素のいずれか、あるいはそれらの混合ガス雰囲気にしたことを特徴とする請求項2に記載の単結晶育成装置。
- 前記原料棒および種結晶棒を収容する石英管内を、常圧を超え100気圧以下の陽圧のアルゴンなどの希ガスあるいは窒素で、その含有する酸素の分圧を10-30〜10-4気圧にしたことを特徴とする請求項3に記載の単結晶育成装置。
- 前記原料棒および種結晶棒が、100気圧未満での育成温度で蒸発あるいは分解し易い酸化物、窒化物、炭化物、硼化物、単体金属および金属間化合物であることを特徴とする請求項1から4のいずれかに記載の単結晶育成装置。
- 前記原料棒および種結晶棒を収容する石英管内を陽圧にした後、前記原料棒および種結晶棒を加熱するようにプログラムされていることを特徴とする請求項1から5のいずれかに記載の単結晶育成装置。
- 単結晶育成のための空間をシールするための部材が、Oリングおよびバックアップリングで構成され、そのOリングおよびバックアップリングを冷却してその機能の喪失を防止する冷却手段を設けたことを特徴とする請求項6に記載の単結晶育成装置。
- 前記冷却手段が、冷却体の流入側よりも流出側において流動抵抗が大きく設定されていることを特徴とする請求項7に記載の単結晶育成装置。
- さらに前記冷却手段に、前記石英管内に入り込む不所望の赤外線を遮断するための熱遮蔽部材を取り付けたことを特徴とする請求項8に記載の単結晶育成装置。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007145611A (ja) * | 2005-11-24 | 2007-06-14 | National Institute Of Advanced Industrial & Technology | サファイア単結晶製造方法及びその製造装置 |
KR20140088897A (ko) | 2011-12-02 | 2014-07-11 | 도꾸리쯔교세이호진상교기쥬쯔소고겡뀨죠 | 집광경 가열로 |
CN108613691A (zh) * | 2018-05-22 | 2018-10-02 | 湖南瑞智健科技有限公司 | 一种分离反光式元件背光成像方法及装置 |
CN114318497A (zh) * | 2022-01-25 | 2022-04-12 | 洛阳市自动化研究所有限公司 | 一种用于制备合金晶棒的区熔炉 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007191365A (ja) * | 2006-01-20 | 2007-08-02 | Japan Science & Technology Agency | 単結晶製造装置及びそれを用いた高圧単結晶製造方法 |
WO2008084529A1 (ja) * | 2007-01-10 | 2008-07-17 | Crystal Systems Corp. | 浮遊帯域溶融装置 |
-
2004
- 2004-02-09 JP JP2004032164A patent/JP3668738B1/ja not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007145611A (ja) * | 2005-11-24 | 2007-06-14 | National Institute Of Advanced Industrial & Technology | サファイア単結晶製造方法及びその製造装置 |
KR20140088897A (ko) | 2011-12-02 | 2014-07-11 | 도꾸리쯔교세이호진상교기쥬쯔소고겡뀨죠 | 집광경 가열로 |
US9777375B2 (en) | 2011-12-02 | 2017-10-03 | National Institute Of Advanced Industrial Science And Technology | Converging mirror furnace |
CN108613691A (zh) * | 2018-05-22 | 2018-10-02 | 湖南瑞智健科技有限公司 | 一种分离反光式元件背光成像方法及装置 |
CN108613691B (zh) * | 2018-05-22 | 2021-06-29 | 湖南瑞智健科技有限公司 | 一种分离反光式元件背光成像方法及装置 |
CN114318497A (zh) * | 2022-01-25 | 2022-04-12 | 洛阳市自动化研究所有限公司 | 一种用于制备合金晶棒的区熔炉 |
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