KR20000010474A - 불화물 단일결정의 열처리방법 및 제조방법 - Google Patents
불화물 단일결정의 열처리방법 및 제조방법 Download PDFInfo
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- KR20000010474A KR20000010474A KR1019980033029A KR19980033029A KR20000010474A KR 20000010474 A KR20000010474 A KR 20000010474A KR 1019980033029 A KR1019980033029 A KR 1019980033029A KR 19980033029 A KR19980033029 A KR 19980033029A KR 20000010474 A KR20000010474 A KR 20000010474A
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- single crystal
- heat treatment
- fluoride single
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- fluoride
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- 239000013078 crystal Substances 0.000 title claims abstract description 209
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title claims abstract description 144
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 143
- 238000000034 method Methods 0.000 claims description 67
- 238000009826 distribution Methods 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000002156 adsorbate Substances 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 230000006866 deterioration Effects 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002516 radical scavenger Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract description 59
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract description 54
- 238000002834 transmittance Methods 0.000 abstract description 13
- 239000012025 fluorinating agent Substances 0.000 abstract description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 4
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 abstract description 3
- 230000002378 acidificating effect Effects 0.000 abstract description 3
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 239000011259 mixed solution Substances 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 25
- 239000010410 layer Substances 0.000 description 19
- 238000000206 photolithography Methods 0.000 description 15
- 239000000047 product Substances 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- 238000003860 storage Methods 0.000 description 10
- 230000002265 prevention Effects 0.000 description 9
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000010436 fluorite Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000008710 crystal-8 Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000003682 fluorination reaction Methods 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 description 2
- 229910001632 barium fluoride Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 2
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910004541 SiN Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002772 conduction electron Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 235000015220 hamburgers Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- FVRNDBHWWSPNOM-UHFFFAOYSA-L strontium fluoride Chemical compound [F-].[F-].[Sr+2] FVRNDBHWWSPNOM-UHFFFAOYSA-L 0.000 description 1
- 229910001637 strontium fluoride Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/02—Heat treatment
-
- 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
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
-
- 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
- C30B29/10—Inorganic compounds or compositions
- C30B29/12—Halides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (14)
- 불화물 단결정의 표면의 흡착물 또는 부착물을 제거하는 표면청정공정과,상기 흡착물 또는 부착물이 제거된 불화물 단결정을 가열 유지한 후, 서서히 냉각하는 열처리 공정,을 구비한 불화물 단결정의 열처리방법.
- 불화물 단결정을 가열 유지한 후, 서서히 냉각하는 열처리 공정과,상기 열처리에 의하여 불화물 단결정의 표면의 형성된 변질층을 제거하는 변질층 제거공정,을 구비하는 것을 불화물 단결정의 열처리방법.
- 불화물 단결정의 표면의 흡착물 또는 부착물을 제거하는 표면청정공정과,상기 흡착물 또는 부착물이 제거된 불화물 단결정을 가열 유지한 후, 서서히 냉각하는 열처리공정과,상기 열처리에 의하여 불화물 단결정의 표면에 형성된 변질층을 제거하는 변질층 제거공정,을 가지는 불화물 단결정의 열처리방법.
- 청구항 1 또는 청구항 2 또는 청구항 3에 기재된 불화물 단결정의 열처리 방법에 있어서, 상기 열처리 공정은 이하의 공정을 가진다;열처리 장치의 밀봉 가능한 용기 내에 상기 흡착물 또는 부착물이 제거된 불화물 단결정을 유지하는 공정과,상기 밀봉 가능한 용기 내가 소정의 진공도에 달하기까지, 배기를 하는 배기 공정과,상기 배기된 용기를 소정의 온도에 달하기까지, 승온하는 승온공정과,상기 승온된 용기를 상기 소정의 온도로 일정 시간 유지하는 고온 유지 공정과,상기 고온 유지된 용기를 서서히 강온하는 강온 공정.
- 청구항 제 4항에 기재된 불화물 단결정의 열처리방법으로서,상기 배기 공정과 상기 승온공정과의 사이에, 상기 용기 내에 불활성 가스를 도입하는 가스 도입공정을 가진다.
- 청구항 4에 기재된 불화물 단결정의 열처리방법에 있어서,상기 배기 공정과 상기 승온공정과의 사이에, 상기 용기 내에 불활성 가스를 도입하는 가스도입공정과, 상기 용기 내에 도입된 불활성가스를 배기하는 배기 공정을 추가적으로 가진다.
- 청구항 3에 기재된 불화물 단결정의 열처리방법에 있어서,상기 열처리공정에 있어서, 상기 불화물 단결정의 내부온도분포가 항상 5℃이하로 되도록 제어하는 것을 특징으로 하는 불화물 단결정의 열처리방법.
- 청구한 4에 기재된 불 화물 단결정의 열처리방법에 있어서,상기 열처리공정에 이용되는 열처리장치가, 상기 불 화물을 수납하여 밀봉 가능한 용기와, 그 용기의 외측에 배치된 독립적으로 제어가능한 복수의 히터와 상기 용기내부로부터 그 용기외부로의 열 전달을 방지하는 열 전달 방지 부재를 구비한 열처리 장치인 것을 특징으로 하는 불화물 단결정의 열처리방법.
- 청구항 8에 기재된 불화물 단결정의 열처리방법에 있어서,상기 열 전달 방지부재가, 카본, 몰리브덴, 스테인레스 등의 금속재료 또는 BN, SiC, SiN 등의 세라믹재료, 또는 불화물 단결정재료 중에서 선택된 재료로부터 이루어지는 것을 특징으로 하는 불화물 단결정의 처리방법.
- 청구항 8에 기재된 불화물 단결정의 열처리 방법에 있어서, 상기 열처리장치의 열 전달 방지부재가 상기 용기내부에 설치된 1 또는 복수의 평판상 부재인 것을 특징으로 하는 불화물 단결정의 열처리방법.
- 불화물 원료를 결정육성용의 포트내에서 용융한 후, 서서히 냉각하여 불화물 단일결정을 육성시키는 결정육성공정과,상기 불화물 단결정 표면의 흡착물 또는 부착물을 제거하는 표면 청정공정과,상기 흡착물 또는 부착물이 제거된 불화물 단결정을 가열 유지한 후, 서서히 냉각하는 열처리 공정과,을 구비한 불화물 단결정의 제조방법.
- 불화물 원료를 결정육성용 포트내에서 용융한 후, 서서히 냉각하고 불화물 단결정을 육성시키는 결정육성공정과,상기 불화물 단결정을 가열 유지한 후, 서서히 냉각하는 열처리 공정과,상기 열처리에 의하여 불화물 단결정의 표면에 형성되는 변질층을 제거하는 변질층 제거공정,을 구비한 불화물 단결정의 열처리방법.
- 불화물 원료를 결정육성용 포트에서 용융한 후, 서서히 냉각하고 불화물 단결정을 육성시키는 결정육성공정과,상기 불화물 단결정의 표면의 흡착물 또는 부착물을 제거하는 표면청정공정과,상기 흡착물 또는 부착물이 제거된 불화물 단결정을 가열 유지한 후, 서서히 냉각하는 열처리공정과,상기 열처리에 의하여 불화물 단결정의 표면에 형성된 변질층을 제거하는 변질층 제거공정,을 구비한 불화물 단결정의 열처리방법.
- 청구항 11 또는 청구항 12 또는 청구항 13 에 기재된 불화물 단결정의 제조방법에 있어서,상기 결정육성공정에 있어서의 불화물 원료는, 불화물 원료와 스카벤저를 포트 내에서 혼합하여 용융한 후, 서서히 냉각하고 전처리품을 얻는 전처리공정에 의하여 얻어진 유리 부스러기 상 또는 덩어리상의 전처리품인 것을 특징으로 하는 불화물 단결정의 제조방법.
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JP10202072A JP2000034193A (ja) | 1998-07-16 | 1998-07-16 | フッ化物単結晶の熱処理方法及び製造方法 |
JP202072/1998 | 1998-07-16 |
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KR100523867B1 KR100523867B1 (ko) | 2006-03-14 |
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US (1) | US6146456A (ko) |
EP (1) | EP0972863B1 (ko) |
JP (1) | JP2000034193A (ko) |
KR (1) | KR100523867B1 (ko) |
CN (1) | CN1258007C (ko) |
DE (1) | DE69827241T2 (ko) |
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US6855380B2 (en) | 2001-05-18 | 2005-02-15 | Carl Zeiss Smt Ag | Method for the production of optical components with increased stability, components obtained thereby and their use |
DE10124423A1 (de) * | 2001-05-18 | 2003-01-02 | Schott Glas | Züchten von orientierten Einkristallen mit wiederverwendbaren Kristallkeimen |
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JP2006519159A (ja) * | 2003-02-28 | 2006-08-24 | サン−ゴバン セラミックス アンド プラスティクス,インコーポレイティド | ハロゲン化物結晶のアニール処理方法 |
JP4151474B2 (ja) * | 2003-05-13 | 2008-09-17 | 信越半導体株式会社 | 単結晶の製造方法及び単結晶 |
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JP4859785B2 (ja) * | 2007-08-08 | 2012-01-25 | 株式会社トクヤマ | フッ化金属単結晶体引上げ用装置を用いたフッ化金属単結晶体の製造方法 |
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CN112090106B (zh) * | 2020-09-15 | 2021-07-27 | 中国地质大学(武汉) | 一种试剂提纯装置以及利用该装置提纯氟化氢铵或氟化铵的方法 |
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-
1998
- 1998-07-16 JP JP10202072A patent/JP2000034193A/ja active Pending
- 1998-08-14 KR KR1019980033029A patent/KR100523867B1/ko not_active Expired - Fee Related
- 1998-08-17 US US09/135,016 patent/US6146456A/en not_active Expired - Lifetime
- 1998-08-18 DE DE69827241T patent/DE69827241T2/de not_active Expired - Lifetime
- 1998-08-18 EP EP98115535A patent/EP0972863B1/en not_active Expired - Lifetime
- 1998-08-18 CN CNB981172008A patent/CN1258007C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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CN1258007C (zh) | 2006-05-31 |
DE69827241T2 (de) | 2006-02-16 |
EP0972863A1 (en) | 2000-01-19 |
DE69827241D1 (de) | 2004-12-02 |
EP0972863B1 (en) | 2004-10-27 |
CN1242440A (zh) | 2000-01-26 |
JP2000034193A (ja) | 2000-02-02 |
KR100523867B1 (ko) | 2006-03-14 |
US6146456A (en) | 2000-11-14 |
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