CN1662637A - 有机el元件制造用蒸镀装置的室内的清洗方法 - Google Patents
有机el元件制造用蒸镀装置的室内的清洗方法 Download PDFInfo
- Publication number
- CN1662637A CN1662637A CN03814054.3A CN03814054A CN1662637A CN 1662637 A CN1662637 A CN 1662637A CN 03814054 A CN03814054 A CN 03814054A CN 1662637 A CN1662637 A CN 1662637A
- Authority
- CN
- China
- Prior art keywords
- fluorine
- organic
- containing alcohol
- cpd
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 30
- 238000000151 deposition Methods 0.000 title description 8
- 230000008021 deposition Effects 0.000 title description 4
- 238000004140 cleaning Methods 0.000 title description 3
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- JUGSKHLZINSXPQ-UHFFFAOYSA-N 2,2,3,3,4,4,5,5-octafluoropentan-1-ol Chemical compound OCC(F)(F)C(F)(F)C(F)(F)C(F)F JUGSKHLZINSXPQ-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000001704 evaporation Methods 0.000 claims description 34
- 230000008020 evaporation Effects 0.000 claims description 34
- 229910052731 fluorine Inorganic materials 0.000 claims description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 24
- 239000011737 fluorine Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000010926 purge Methods 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 12
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 claims description 10
- 150000002894 organic compounds Chemical class 0.000 claims description 6
- 150000004696 coordination complex Chemical class 0.000 claims description 5
- 125000001153 fluoro group Chemical group F* 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- FCEUVAQYYKMPRC-UHFFFAOYSA-N 2,2,3,3,4,4-hexafluorobutan-1-ol Chemical class OCC(F)(F)C(F)(F)C(F)F FCEUVAQYYKMPRC-UHFFFAOYSA-N 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 2
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 claims 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 abstract 3
- 150000001298 alcohols Chemical class 0.000 abstract 1
- 239000010408 film Substances 0.000 description 23
- 239000002994 raw material Substances 0.000 description 20
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- CXENHBSYCFFKJS-OXYODPPFSA-N (Z,E)-alpha-farnesene Chemical compound CC(C)=CCC\C(C)=C\C\C=C(\C)C=C CXENHBSYCFFKJS-OXYODPPFSA-N 0.000 description 1
- WHKZBVQIMVUGIH-UHFFFAOYSA-N 3-hydroxyquinoline-2-carboxylic acid Chemical compound C1=CC=C2C=C(O)C(C(=O)O)=NC2=C1 WHKZBVQIMVUGIH-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 hydroxy benzo quinoline aluminum Chemical compound 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/24—Organic compounds containing halogen
- C11D3/245—Organic compounds containing halogen containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/28—Organic compounds containing halogen
- C11D7/30—Halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5018—Halogenated solvents
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/12—Organic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/564—Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/40—Specific cleaning or washing processes
- C11D2111/48—Regeneration of cleaning solutions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/28—Organic compounds containing halogen
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/164—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using vacuum deposition
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
- H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Physical Vapour Deposition (AREA)
- Electroluminescent Light Sources (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
在有机EL元件制造时,通过回收、再利用蓄积在室内表面、被废弃的Alq3等的化合物,以降低制造成本。利用2,2,3,3,4,4,5,5-八氟戊醇等含氟醇清洗附着了Alq3等化合物的室内的表面或室内的部件,回收Alq3。
Description
技术领域
本发明涉及有机EL元件制造用蒸镀装置的室内的清洗方法。
背景技术
在制造有机EL元件时,作为形成有机化合物(以下也称为原料)的薄膜的方法,人们公知的有真空蒸镀法。真空蒸镀法是在真空槽内适当组合蒸发源和成膜用基板,形成薄膜的方法,与旋转涂布法和浸渍法等的湿式涂布方法比较,具有容易制得均匀薄膜等优点。作为真空蒸镀法,人们公知的有:通过使原料附着在电阻较高的金属容器(金属板),再使电流流过该金属容器,使该金属容器发热,蒸发原料,在成膜用基板表面上形成原料的薄膜的电阻加热蒸镀法;将电子束或激光束照射到原料上,利用该束的能量使原料蒸发,在成膜用基板表面上形成原料的薄膜的电子束或激光束的蒸镀法等。其中,电阻加热蒸镀法,因蒸镀装置的构造简单,价廉且可实现形成良好品质的薄膜,所以广泛普及使用。
用于上述蒸镀法的装置,一部分蒸发的原料在有机EL元件用基板表面上堆积,其余的原料蓄积在蒸镀装置的室内表面或配置在该室内的部件的表面上。因此,形成有机EL元件用基板表面的薄膜的原料是原料的一部分,而存在着大部分附着在室内表面等,不能利用而被废弃的问题。由于有机EL元件的原料多为高价化合物,所以若不能有效利用原料的话,则存在元件的制造成本上升的问题。另外,将该室用于其它的原料成膜时,室内表面所蓄积下来的原料作为杂质而被混入膜中,也存在污染成膜的问题。
本发明者为了解决上述问题,对利用有机溶剂将附着在蒸镀装置的室内的表面或配置在该室内的部件的表面的有机化合物进行清洗,回收的方法进行了深入研究。
为了实行上述方法,考虑必须用对上述有机化合物具有一定的溶解性的有机溶剂进行清洗,但是,能够溶解用作有机EL元件的制造的原料的化合物的有机溶剂通常受到限制。
例如,上述有机化合物有三(8-羟基喹啉酸(hydroxyquinolinate))铝(以下称为Alq3),作为能够溶解Alq3的有机溶剂,人们公知的有氯仿,但是氯仿之类的氯代烃(hydrochlorocarbon)存在臭氧破坏系数高等问题。
本发明的课题是提供有机EL元件制造用蒸镀装置的室内的清洗方法,是提供通过再利用有机EL元件制造时蓄积在室内表面、被废弃了的原料,降低制造成本,并且防止蓄积在室内表面的原料作为杂质而混入到制品的薄膜中,另外,不具有破坏臭氧等的环境问题的方法。
发明内容
本发明是在蒸镀装置的室内蒸镀由8-羟基喹啉或其衍生物的金属络合物构成的化合物到基板表面上的有机EL元件制造用蒸镀装置的室内的清洗方法,其特征在于,包括在基材表面上蒸镀上述化合物的同时,用含氟醇对粘附了上述化合物的室的内表面或配置在室内的部件的表面进行清洗,将所附着的上述化合物除去的工序,以及将含有上述化合物的含氟醇回收的工序。
具体实施方式
在本发明中,在蒸镀由8-羟基喹啉或其衍生物的金属络合物构成的化合物到基板表面同时,对附着了该化合物的室内表面或配置在室内的部件的表面进行清洗。
作为上述化合物,具体的有:Alq3(三(8-羟基喹啉酸)铝)、Almq3(Alq3中引入具有供电子性的甲基而成的衍生物)、Alph3(羟基苯并喹啉铝络合物)、Znq2(8-羟基喹啉与Zn的4配位络合物)、BAlq1等。
在本发明中,可用含氟醇作为洗净剂。含氟醇具有良好的溶解Alq3的溶解性、不燃性或难燃性,容易处理,还具有几乎不影响由树脂和金属等构成的有机EL元件制造用蒸镀装置的构成部件等的优点。
作为用于本发明的含氟醇,可用例如式1所示的化合物:
RfCHX-OH…式1
式1中的X是氢原子、氟原子或三氟甲基;Rf是氟原子或者碳原子数为1-4的多氟烷基。多氟烷基是指2个以上的烷基的氢原子被氟原子取代而成的基团。多氟烷基也可以是直链的构造,也可以是支链的构造。
作为式1所示的化合物的具体例,可用例如以下的化合物:
H(CF2)2CH2OH(2,2,3,3-四氟丙醇)
H(CF2)3CH2OH(2,2,3,3,4,4-六氟丁醇)
H(CF2)4CH2OH(2,2,3,3,4,4,5,5-八氟戊醇)
(CF3)2CHOH(1,1,1,3,3,3-六氟异丙醇)。
这些化合物,在良好的Alq3的溶解性上是特好的。
作为本发明的含氟醇,溶解度参数(δ值)较好在8以上、20以下,特好是在9以上、15以下,更好在10以上、12以下。例如,上述式1所示的化合物的溶解度参数(δ值)如下所述:
表1
化合物 | δ值 |
H(CF2)2CH2OH | 11.3 |
H(CF2)3CH2OH | 10.0 |
(CF3)2CHOH | 9.6 |
在本发明中,可单独使用一种含氟醇,也可用2种以上的混合物。
可适用于本发明的清洗方法的、制造有机EL元件用的蒸镀装置有电阻加热蒸镀装置、电子束蒸镀装置、激光束蒸镀装置等真空蒸镀装置。其中,本发明的清洗方法采用电阻加热蒸镀装置进行清洗时,被认为有效。蒸镀装置的室内配置着有机化合物的蒸发源、膜厚传感器、基板固定构造、金属多孔板(shadow mask)等部件,这些部件成为被清洗的对象。
下面,具体说明实施本发明的清洗方法的顺序。
在由8-羟基喹啉或其衍生物的金属络合物构成的化合物的薄膜形成工序中,从位于蒸镀装置的室内的蒸发源使上述化合物蒸发。蒸发了的上述化合物附着在制造有机EL元件用的基板上,同时也附着在上述室内表面和配置在室内的部件的表面上。
使含氟醇与附着了上述化合物的室内表面或部件的表面接触进行上述化合物的除去。除去方法有从喷咀等喷射含氟醇,喷到室内表面和部件的表面进行除去的方法。
然后,回收所得的含有上述化合物的含氟醇。
使回收的含有上述化合物的含氟醇分离成上述化合物和含氟醇。分离方法有常压或减压下使有机溶剂蒸发的方法。
分离、回收的上述化合物较好精制到能够再利用为有机EL元件的薄膜形成材料的程度。精制方法有再结晶精制、液相色谱精制、升华精制等的精制方法。精制较好在洁净室或阴暗处进行。对于上述化合物,精制后,还可以在甲醇回流下提取杂质,将其除去的操作。
以下就本发明的清洗方法进行具体说明,但本发明不受这些例子的限制。
工序1:利用设置在用于制造有机EL元件的蒸镀装置室内的喷咀喷射含氟醇,以清洗附着了Alq3的室内表面和室内的部件的表面。
工序2:从室底取出含有Alq3的含氟醇并回收到回收槽内。
工序3:对含有Alq3的已回收的含氟醇减压,蒸发含氟醇,浓缩Alq3,使其析出。
工序4:用对Alq3有适当溶解能力的溶剂,例如二氯甲烷溶解析出的Alq3,制得Alq3溶液。
工序5:冷却Alq3溶液,使溶解了的Alq3析出。冷却温度较好是-30℃-20℃,更好为-15℃-18℃。冷却时间较好为30分-2小时,更好为45分钟-1小时30分钟。
工序6:过滤析出的Alq3,经干燥回收Alq3。干燥温度较好为40-60℃,更好为45-55℃。干燥时间较好为10-40小时,更好为12-35小时。
(实施例)
(例1)
对Alq3溶解于含氟醇的溶解性,用以下的方法进行确认。
在25℃将1mg的Alq3与3ml的H(CF2)4CH2OH混合制得混合液。目视确认混合状态后确认完全溶解Alq3。
(例2)
在附着了附着在有机薄膜形成装置室内表面和多孔板等夹具的表面上的有机EL元件用材料,即三(8-羟基喹啉酸)铝(Alq3)的有机薄膜形成装置室内表面和多孔板等部件表面,利用该蒸镀装置内的喷咀以500mL/分钟喷射H(CF2)4CH2OH(2,2,3,3,4,4,5,5-八氟戊醇,以下称为OFPO)5分钟,清洗该有机薄膜形成装置室内。从有机薄膜形成装置的底部将用于清洗的OFPO,即含有Alq3的OFPO(以下称为OFPO溶液)取出送到设置在有机薄膜形成装置下部的回收槽内,进行回收。在130hPa、80℃的条件下蒸发已回收的OFPO溶液,使OFPO蒸发。在30℃下使蒸发了OFPO后的残留物溶解在10mL的二氯甲烷,调制二氯甲烷溶液。将二氯甲烷溶液冷却到-10℃放置1小时。通过过滤、干燥析出的化合物,制得Alq3。已回收的Alq3具有能够用作有机EL元件薄膜层的形成材料的纯度。
(例3)
除了采用H(CF2)2CH2OH(2,2,3,3-四氟丙醇)来代替OFPO以外,与例2一样,对附着了Alq3的有机薄膜形成装置室内表面和多孔板等部件表面进行清洗。由此可回收、再利用上述Alq3。
工业上利用的可能性
通过再利用有机EL元件制造时室内表面所蓄积、被废弃的原料可降低制造成本,并且还可防止蓄积在室内表面上的原料成为杂质混入制品的薄膜中。另外,本发明的清洗方法不存在破坏臭氧等环境问题。
Claims (6)
1.有机EL元件制造用蒸镀装置的室内的清洗方法,它是在蒸镀装置的室内,在基板表面蒸镀由8-羟基喹啉或其衍生物的金属络合物构成的化合物的有机EL元件制造用蒸镀装置的室内的清洗方法,其特征在于,包括在基材表面上蒸镀上述化合物的同时,用含氟醇对粘附了上述化合物的室的内表面或配置在室内的部件的表面进行清洗,将所附着的上述化合物除去的工序,以及将含有上述化合物的含氟醇回收的工序。
2.根据权利要求1所述的清洗方法,其特征在于,由8-羟基喹啉或其衍生物的金属络合物构成的化合物是三(8-羟基喹啉酸)铝。
3.根据权利要求1或2所述的清洗方法,其特征在于,含氟醇是式1所示的化合物:
RfCHX-OH···式1
式1中的X是氢原子、氟原子或三氟甲基;Rf是氟原子或者碳原子数为1-4的多氟烷基。
4.根据权利要求1、2或3所述的清洗方法,其特征在于,含氟醇的溶解度参数在8以上、20以下。
5.根据权利要求1或2所述的清洗方法,其特征在于,含氟醇是2,2,3,3-四氟丙醇、2,2,3,3,4,4,5,5-八氟戊醇、2,2,3,3,4,4-六氟丁醇或1,1,1,3,3,3-六氟异丙醇。
6.根据权利要求1-5中任一项所述的清洗方法,其特征在于,具有将含有回收的上述有机化合物的含氟醇分离成上述化合物和含氟醇的工序。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP178471/2002 | 2002-06-19 | ||
JP2002178471 | 2002-06-19 | ||
PCT/JP2003/007773 WO2004000987A1 (ja) | 2002-06-19 | 2003-06-19 | 有機el素子製造用蒸着装置のチャンバーの洗浄方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1662637A true CN1662637A (zh) | 2005-08-31 |
CN1307297C CN1307297C (zh) | 2007-03-28 |
Family
ID=29996524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN03814054.3A Expired - Fee Related CN1307297C (zh) | 2002-06-19 | 2003-06-19 | 有机el元件制造用蒸镀装置的室内的清洗方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7037380B2 (zh) |
EP (1) | EP1514918B1 (zh) |
JP (1) | JP4389784B2 (zh) |
CN (1) | CN1307297C (zh) |
AT (1) | ATE342339T1 (zh) |
AU (1) | AU2003244296A1 (zh) |
CA (1) | CA2489616C (zh) |
DE (1) | DE60309036T2 (zh) |
TW (1) | TWI258515B (zh) |
WO (1) | WO2004000987A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8143203B2 (en) | 2006-04-05 | 2012-03-27 | Asahi Glass Company, Limited | Method for washing device substrate |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012131985A (ja) * | 2010-12-02 | 2012-07-12 | Fujifilm Corp | 硬化物製造用キット及び硬化物製造用組成物、並びにその使用 |
JP2015108041A (ja) * | 2013-12-03 | 2015-06-11 | ダイキン工業株式会社 | 洗浄用組成物 |
JP6320642B2 (ja) * | 2016-04-25 | 2018-05-09 | 住友化学株式会社 | 組成物 |
CN110431214B (zh) * | 2017-03-23 | 2023-07-04 | 柯尼卡美能达株式会社 | 有机电致发光元件用材料的回收方法和有机电致发光元件用材料的制造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157196A (ja) | 1983-02-28 | 1984-09-06 | ダイキン工業株式会社 | 固定用ワックスの除去方法 |
JPH02261900A (ja) * | 1989-03-27 | 1990-10-24 | Pcr Inc | 半導体ウエファ等のクリーニング用溶剤組成物およびそのクリーニング方法 |
DE4227130A1 (de) * | 1992-08-17 | 1994-02-24 | Solvay Fluor & Derivate | Zusammensetzungen aus 1-Chlor-2,2,2-trifluorethyldifluormethylether und partiell fluorierten Alkanolen |
JP2763083B2 (ja) * | 1993-06-01 | 1998-06-11 | 工業技術院長 | フッ素系洗浄溶剤組成物 |
JPH0764284A (ja) * | 1993-08-24 | 1995-03-10 | Sumitomo Chem Co Ltd | 溶剤、溶液型キノンジアジド系感光剤、フォトレジスト組成物および洗浄液 |
GB9826406D0 (en) * | 1998-12-02 | 1999-01-27 | South Bank Univ Entpr Ltd | Quinolates |
US6306559B1 (en) * | 1999-01-26 | 2001-10-23 | Mitsubishi Chemical Corporation | Organic electroluminescent device comprising a patterned photosensitive composition and a method for producing same |
JP3900769B2 (ja) * | 1999-01-26 | 2007-04-04 | 三菱化学株式会社 | 有機電界発光素子の製造方法 |
JP2000353593A (ja) * | 1999-06-08 | 2000-12-19 | Fuji Electric Co Ltd | 有機エレクトロルミネッセンスディスプレイパネルの製造装置および製造方法 |
JP3614335B2 (ja) * | 1999-12-28 | 2005-01-26 | 三星エスディアイ株式会社 | 有機el表示装置ならびにその製造方法 |
JP2001325745A (ja) * | 2000-05-16 | 2001-11-22 | Sony Corp | 光学記録媒体と、その再生装置および記録再生装置 |
US6676990B1 (en) * | 2000-07-27 | 2004-01-13 | Eastman Kodak Company | Method of depositing aluminum-lithium alloy cathode in organic light emitting devices |
-
2003
- 2003-06-18 TW TW092116551A patent/TWI258515B/zh not_active IP Right Cessation
- 2003-06-19 AT AT03760893T patent/ATE342339T1/de not_active IP Right Cessation
- 2003-06-19 WO PCT/JP2003/007773 patent/WO2004000987A1/ja active IP Right Grant
- 2003-06-19 DE DE60309036T patent/DE60309036T2/de not_active Expired - Lifetime
- 2003-06-19 CN CN03814054.3A patent/CN1307297C/zh not_active Expired - Fee Related
- 2003-06-19 CA CA2489616A patent/CA2489616C/en not_active Expired - Fee Related
- 2003-06-19 EP EP03760893A patent/EP1514918B1/en not_active Expired - Lifetime
- 2003-06-19 AU AU2003244296A patent/AU2003244296A1/en not_active Abandoned
- 2003-06-19 JP JP2004515514A patent/JP4389784B2/ja not_active Expired - Fee Related
-
2004
- 2004-12-16 US US11/012,293 patent/US7037380B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8143203B2 (en) | 2006-04-05 | 2012-03-27 | Asahi Glass Company, Limited | Method for washing device substrate |
CN101416118B (zh) * | 2006-04-05 | 2013-04-03 | 旭硝子株式会社 | 器件基板的清洗方法 |
US8568534B2 (en) | 2006-04-05 | 2013-10-29 | Asahi Glass Company, Limited | Method for washing device substrate |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004000987A1 (ja) | 2005-10-20 |
WO2004000987A1 (ja) | 2003-12-31 |
EP1514918A1 (en) | 2005-03-16 |
CN1307297C (zh) | 2007-03-28 |
CA2489616C (en) | 2010-04-20 |
ATE342339T1 (de) | 2006-11-15 |
DE60309036D1 (de) | 2006-11-23 |
EP1514918A4 (en) | 2005-08-17 |
CA2489616A1 (en) | 2003-12-31 |
AU2003244296A1 (en) | 2004-01-06 |
DE60309036T2 (de) | 2007-02-22 |
US7037380B2 (en) | 2006-05-02 |
TW200406499A (en) | 2004-05-01 |
TWI258515B (en) | 2006-07-21 |
US20050155632A1 (en) | 2005-07-21 |
JP4389784B2 (ja) | 2009-12-24 |
EP1514918B1 (en) | 2006-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1288284B1 (en) | Cleaning agent, cleaning method and cleaning apparatus | |
WO2012090774A1 (ja) | 蒸着装置および回収装置 | |
JPH03243698A (ja) | 清浄剤として有用なフルフリルアルコール混合物 | |
CN1307297C (zh) | 有机el元件制造用蒸镀装置的室内的清洗方法 | |
TW201038320A (en) | Dewatering method | |
KR20080069157A (ko) | 기판으로부터 유기 전계발광성 잔류물을 제거하는 방법 | |
KR19980025367A (ko) | 옥타메틸트리실록산과 지방족 또는 지환족 알콜의 공비혼합물 | |
EP0813590A1 (en) | Cleaning process and apparatus | |
KR20200021444A (ko) | 진공 증착용의 마스크의 세정 방법 및 린스 조성물 | |
CN111167791B (zh) | 有机蒸镀保护件的清洗方法 | |
CN1134828C (zh) | 半导体器件的生产工艺和其中使用的清洗装置 | |
CN1105176C (zh) | 基于烷烃或环烷烃及含酮基化合物的冷洗组合物及其用途 | |
KR100921362B1 (ko) | 유기 el 소자 제조용 증착장치의 챔버 세정방법 | |
WO2016053058A1 (ko) | 이온성 액체를 이용한 방착방법 및 액체방착설비를 구비한 진공증착장치 | |
JP2006265300A (ja) | 洗浄剤 | |
JPH05202390A (ja) | フッ素含有エーテルを含む組成物及びそれらの組成物の使用 | |
US7700531B2 (en) | Cleaning agent | |
JP4828190B2 (ja) | 洗浄剤 | |
CN114426544B (zh) | 一种有机光电材料、光电装置 | |
WO2023144869A1 (ja) | 有機材料の回収方法 | |
JPH07112166A (ja) | 溶剤を用いる洗浄・乾燥装置 | |
KR20160030054A (ko) | 액체방착설비를 구비한 진공증착장치 | |
KR20240002386A (ko) | 유기발광소자(oled)를 제조하기 위한 증착기 내의 쉴드의 세정 방법 | |
CN115873669A (zh) | 一种漂洗剂及oled工艺用掩膜版的清洗方法 | |
KR101083309B1 (ko) | 난분해성 유기물 처리장치 및 그 처리방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20140619 |
|
EXPY | Termination of patent right or utility model |