RU2008117093A - Тигель для кристаллизации кремния и способ его изготовления - Google Patents
Тигель для кристаллизации кремния и способ его изготовления Download PDFInfo
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- RU2008117093A RU2008117093A RU2008117093/15A RU2008117093A RU2008117093A RU 2008117093 A RU2008117093 A RU 2008117093A RU 2008117093/15 A RU2008117093/15 A RU 2008117093/15A RU 2008117093 A RU2008117093 A RU 2008117093A RU 2008117093 A RU2008117093 A RU 2008117093A
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- silicon
- crucible
- silicon nitride
- protective coating
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract 6
- 229910052710 silicon Inorganic materials 0.000 title claims abstract 6
- 239000010703 silicon Substances 0.000 title claims abstract 6
- 238000000034 method Methods 0.000 title claims 3
- 238000004519 manufacturing process Methods 0.000 title claims 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract 8
- 239000011253 protective coating Substances 0.000 claims abstract 8
- 239000011230 binding agent Substances 0.000 claims abstract 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract 6
- 239000011707 mineral Substances 0.000 claims abstract 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract 4
- 239000001301 oxygen Substances 0.000 claims abstract 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 6
- 239000002245 particle Substances 0.000 claims 5
- 239000000463 material Substances 0.000 claims 3
- 235000012239 silicon dioxide Nutrition 0.000 claims 3
- 239000000377 silicon dioxide Substances 0.000 claims 3
- 238000002425 crystallisation Methods 0.000 claims 2
- 230000008025 crystallization Effects 0.000 claims 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims 2
- 239000005046 Chlorosilane Substances 0.000 claims 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 claims 1
- 150000002902 organometallic compounds Chemical class 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 229920000555 poly(dimethylsilanediyl) polymer Polymers 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000012768 molten material Substances 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
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Abstract
1. Тигель (1) для кристаллизации кремния, который содержит ! a) основание (2), имеющее нижнюю поверхность (21) и боковые стенки (22), образующие внутренний объем; ! b) защитное покрытие (3) на базе нитрида кремния, обращенное к внутреннему объему; ! отличающийся тем, что указанное защитное покрытие (3) содержит от 80 до 95 вес.% нитрида кремния, от 5 до 20 вес.% низкотемпературного минерального связующего материала, при полном содержании кислорода в диапазоне от 5 до 15% по весу. ! 2. Тигель по п.1, отличающийся тем, что полное содержание кислорода находится в диапазоне от 8 до 12% по весу. ! 3. Тигель по п.1, отличающийся тем, что защитное покрытие из нитрида кремния (3) имеет толщину от 50 до 500 мкм, преимущественно от 200 до 500 мкм. ! 4. Тигель по п.1, отличающийся тем, что защитное покрытие из нитрида кремния содержит частицы размером ≤1 мкм, ! 5. Тигель по п.4, отличающийся тем, что защитное покрытие из нитрида кремния также содержит более крупные частицы. ! 6. Тигель по п.5, отличающийся тем, что крупные частицы имеют размеры от 2 до 50 мкм, преимущественно от 2 до 5 мкм. ! 7. Тигель по п.4, отличающийся тем, что количество крупных частиц составляет от 20 до 50% по весу. ! 8. Тигель по одному из пп.1-7, отличающийся тем, что низкотемпературный минеральный связующий материал содержит металлоорганическое соединение на базе кремния, преимущественно выбранное из группы, в которую входят силоксан, тетраэтилортосиликат, тетраатоксисилан, полидиметилсилан или их комбинация. ! 9. Тигель по одному из пп.1-7, отличающийся тем, что низкотемпературный минеральный связующий материал содержит связующий материал на базе диоксида кремния, преимущественно выбранный из группы, в которую вх
Claims (13)
1. Тигель (1) для кристаллизации кремния, который содержит
a) основание (2), имеющее нижнюю поверхность (21) и боковые стенки (22), образующие внутренний объем;
b) защитное покрытие (3) на базе нитрида кремния, обращенное к внутреннему объему;
отличающийся тем, что указанное защитное покрытие (3) содержит от 80 до 95 вес.% нитрида кремния, от 5 до 20 вес.% низкотемпературного минерального связующего материала, при полном содержании кислорода в диапазоне от 5 до 15% по весу.
2. Тигель по п.1, отличающийся тем, что полное содержание кислорода находится в диапазоне от 8 до 12% по весу.
3. Тигель по п.1, отличающийся тем, что защитное покрытие из нитрида кремния (3) имеет толщину от 50 до 500 мкм, преимущественно от 200 до 500 мкм.
4. Тигель по п.1, отличающийся тем, что защитное покрытие из нитрида кремния содержит частицы размером ≤1 мкм,
5. Тигель по п.4, отличающийся тем, что защитное покрытие из нитрида кремния также содержит более крупные частицы.
6. Тигель по п.5, отличающийся тем, что крупные частицы имеют размеры от 2 до 50 мкм, преимущественно от 2 до 5 мкм.
7. Тигель по п.4, отличающийся тем, что количество крупных частиц составляет от 20 до 50% по весу.
8. Тигель по одному из пп.1-7, отличающийся тем, что низкотемпературный минеральный связующий материал содержит металлоорганическое соединение на базе кремния, преимущественно выбранное из группы, в которую входят силоксан, тетраэтилортосиликат, тетраатоксисилан, полидиметилсилан или их комбинация.
9. Тигель по одному из пп.1-7, отличающийся тем, что низкотемпературный минеральный связующий материал содержит связующий материал на базе диоксида кремния, преимущественно выбранный из группы, в которую входят силикон, силоксан, хлорсилан или их комбинация.
10. Тигель по одному из пп.1-7, отличающийся тем, что низкотемпературный минеральный связующий материал содержит субмикронные частицы и/или наночастицы диоксида кремния, позволяющие образовать суспензию, преимущественно коллоидный раствор диоксида кремния.
11. Способ изготовления тигля (1) для кристаллизации кремния, который включает в себя следующие операции:
a) использование основания (2), которое имеет нижнюю поверхность (21) и боковые стенки (22), образующие внутренний объем; и
b) нанесение защитного покрытия (3), которое содержит от 80 до 95 вес.% нитрида кремния и от 5 до 20 вес.% низкотемпературного минерального связующего материала, при полном содержании кислорода в диапазоне свыше 5% по весу, на поверхность боковых стенок (22), обращенную к внутреннему объему.
12. Способ по п.11, отличающийся тем, что он включает в себя дополнительную операцию с) нагревания тигля с нанесенным покрытием при температуре ниже температуры окисления нитрида кремния.
13. Способ по п.11 или 12, отличающийся тем, что операцию b) проводят путем напыления.
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EP05447224.6 | 2005-10-06 |
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US (1) | US8298333B2 (ru) |
EP (1) | EP1954856B1 (ru) |
JP (1) | JP4917607B2 (ru) |
KR (1) | KR101212924B1 (ru) |
CN (1) | CN101278078B (ru) |
AT (1) | ATE439461T1 (ru) |
AU (1) | AU2006298957B2 (ru) |
BR (1) | BRPI0616485A2 (ru) |
CA (1) | CA2624887C (ru) |
DE (1) | DE602006008498D1 (ru) |
ES (1) | ES2327570T3 (ru) |
NO (1) | NO20082102L (ru) |
PL (1) | PL1954856T3 (ru) |
RU (1) | RU2401889C2 (ru) |
TW (1) | TWI400369B (ru) |
UA (1) | UA89284C2 (ru) |
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ZA (1) | ZA200803754B (ru) |
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TW200720496A (en) | 2007-06-01 |
ES2327570T3 (es) | 2009-10-30 |
TWI400369B (zh) | 2013-07-01 |
PL1954856T3 (pl) | 2010-01-29 |
NO20082102L (no) | 2008-05-05 |
ATE439461T1 (de) | 2009-08-15 |
EP1954856A1 (en) | 2008-08-13 |
EP1954856B1 (en) | 2009-08-12 |
US8298333B2 (en) | 2012-10-30 |
AU2006298957A1 (en) | 2007-04-12 |
BRPI0616485A2 (pt) | 2012-12-25 |
UA89284C2 (ru) | 2010-01-11 |
WO2007039310A1 (en) | 2007-04-12 |
ZA200803754B (en) | 2009-09-30 |
CN101278078A (zh) | 2008-10-01 |
CN101278078B (zh) | 2011-01-19 |
CA2624887A1 (en) | 2007-04-12 |
DE602006008498D1 (de) | 2009-09-24 |
US20080260608A1 (en) | 2008-10-23 |
CA2624887C (en) | 2013-07-09 |
JP2009510387A (ja) | 2009-03-12 |
AU2006298957B2 (en) | 2010-06-03 |
RU2401889C2 (ru) | 2010-10-20 |
KR20080051144A (ko) | 2008-06-10 |
KR101212924B1 (ko) | 2012-12-14 |
JP4917607B2 (ja) | 2012-04-18 |
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