WO2005092487A1 - 超臨界処理方法およびそれに用いる装置 - Google Patents
超臨界処理方法およびそれに用いる装置 Download PDFInfo
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- WO2005092487A1 WO2005092487A1 PCT/JP2005/005535 JP2005005535W WO2005092487A1 WO 2005092487 A1 WO2005092487 A1 WO 2005092487A1 JP 2005005535 W JP2005005535 W JP 2005005535W WO 2005092487 A1 WO2005092487 A1 WO 2005092487A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/008—Processes carried out under supercritical conditions
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- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
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- H10P14/40—
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- H10P14/60—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Definitions
- the present invention relates to a power for dissolving a solid organic material in a fluid in a supercritical state in a high-pressure vessel and treating the substrate or forming a coating on a substrate in a supercritical state with the solution.
- the present invention relates to a method for producing solid fine particles from a solution and a critical treatment apparatus used for the method.
- a supercritical fluid in which the substance is dissolved (hereinafter referred to as a supercritical fluid) is used for various purposes.
- a supercritical fluid in which the substance is dissolved
- fine substrates e.g., microfabricated silicon substrates, metal substrates, plastic substrates, chemical powders that require coating, fibrous glass carrying catalysts, etc.
- a supercritical fluid is prepared by dissolving a solid substance in a processing vessel every time the processing is performed.
- a supercritical fluid was prepared in a dissolving tank independent of the processing vessel each time the processing was performed, and introduced into the processing vessel. For this reason, there was a problem that the concentration of the dissolved substance gradually decreased as consumption increased.
- the concentration is lower than the predetermined concentration, the treatment itself becomes inconvenient, so that the supercritical fluid must be prepared again, and there is a limit to the supercritical treatment that can be performed continuously.
- Non-Patent Document 1 discloses supercritical carbon dioxide as an example of a solution to the above method problem.
- Non-Patent Document 1 the alcohols described in Non-Patent Document 1 are common alcohols such as methanol, 1-propanol, 2-propanol, 1-butanol, and 2-butanol, and these alcohols are flammable and flammable. There is a safety problem.
- supercritical treatment using supercritical carbon dioxide as in Non-Patent Document 1
- the method of dissolving the solid raw material using alcohol as a solvent has a problem that the advantage of not using an organic solvent is lost.
- Non-Patent Document does not specifically describe a method of supplying a raw material solution to a supercritical fluid in a high-pressure state after dissolving in alcohol, and does not solve the problem in the apparatus.
- Non-Patent Document 1 “Microelectronic Engineering”, 64, (2002), ⁇ 53—61
- an object of the present invention is to provide a method capable of continuously supplying a processing substance as a supercritical fluid to a pressure reaction system in a supercritical state.
- the inventors of the present invention have conducted intensive studies to solve the above-mentioned problems, and as a result, dissolved a solid organic material using a stable fluorinated compound in a liquid state at normal temperature and normal pressure as a solvent and reacted as a supercritical fluid. It has been found that doing so by feeding the system can solve a powerful problem. It has also been found that a new apparatus for efficiently and safely supplying an organic material continuously in a supercritical fluid can be constructed by the method using the supercritical fluid. The present invention has been made based on this finding.
- a solution is prepared by dissolving a solid organic material (eg, an organic metal) in a fluorine compound at normal temperature and normal pressure, and the solution is maintained in a supercritical state at a pressure of IMPa or higher.
- a solid organic material eg, an organic metal
- the present invention provides a method for introducing into a flowing fluid and subjecting a substrate to high-pressure treatment.
- a solution is prepared by dissolving an organic material in a solid state at normal temperature and pressure in a fluorinated compound, and the solution reacts with the organic material and does not react with the fluorinated compound.
- the present invention provides a method for coating a product on a substrate by introducing and reacting the product into a fluid maintained in a supercritical state at a pressure of IMPa or higher.
- an organic raw material in a solid state is dissolved in a fluorinated compound at normal temperature and pressure to prepare a solution, and the solution reacts with the organic raw material and does not react with the fluorinated compound! ⁇
- a method of producing fine particles by maintaining a supercritical state at a pressure of IMPa or higher with a reactant and introducing the reactant into a fluid to cause a reaction.
- an organic material in a solid state is dissolved in a fluorinated compound at normal temperature and pressure to prepare a solution, and the solution reacts with the organic material and does not react with the fluorinated compound! (4)
- a method is provided in which a reactant is maintained in a supercritical state at a pressure of IMPa or more, introduced into a fluid, reacted, and a product is embedded in minute gaps.
- the present invention provides a novel apparatus for realizing the above-described thin film forming method, fine particle forming method, and gap filling method. That is, a sealable raw material container for introducing a solution in which at least one organic material is dissolved in a fluorinated compound at atmospheric pressure, a high-pressure container for storing a supercritical fluid, and a supercritical fluid by pressurizing the solution. A liquid feed pump for storing and introducing the liquid into the container, and a mechanism for pressure-feeding the sealable raw material container to the liquid feed pump, and performing a reaction in the high-pressure container or in the reaction tank. A supercritical treatment apparatus characterized by coating a solid reactant on a material.
- a sealable raw material container for introducing a solution in which at least one organic material is dissolved in a fluorocarbon compound at atmospheric pressure, a high-pressure container for storing a supercritical fluid, and A liquid feed pump for pressurizing and storing a supercritical fluid and introducing it into a container; and a mechanism for pressure-feeding from the sealable raw material container to the liquid transfer pump, in the high-pressure container or in a reaction tank.
- a supercritical processing apparatus characterized in that the organic raw material is reacted therein to obtain fine particles of a solid reactant.
- the supercritical state is not broken, that is, the material is replenished without changing the pressure and temperature in the high-pressure vessel.
- the filter since the raw material is not in a solid state in a solution state, the filter is not clogged. Therefore, in the case of the present invention, maintenance of the high-pressure processing apparatus used is easy.
- FIG. 1 is an explanatory view of a supercritical processing apparatus according to the present invention.
- an organic material in a solid state at normal temperature and normal pressure is maintained in a supercritical state.
- substances that can be used as a supercritical fluid include carbon dioxide, fluorinated compounds, and water.
- supercritical carbon dioxide examples of substances that can be used as a supercritical fluid.
- Supercritical carbon dioxide is carbon dioxide in a supercritical state above the critical point of 31.1 ° C and 7.38MPa.
- an organic raw material in a solid state at normal temperature and normal pressure is dissolved in a fluoride compound to prepare a solution.
- the solid organic material is an organic material containing fluorine, in most cases, it is easily dissolved in the fluorinated compound. Therefore, when the reaction product to be coated on the substrate is a reactive product that can be prepared using an organic substance containing fluorine as a starting material, a fluorinated compound solution can be easily prepared by using the raw material.
- the fluorinated compound solution can be easily prepared by using the raw material. Can be made. Further, even if the organic material is a solid material at room temperature and pressure and does not contain fluorine, a fluoride compound solution can be prepared by selecting an appropriate fluorocarbon compound. That is, it is generally known that the affinity between a solute and a solvent is improved when the polarities of the solute and the solvent are close to each other. ⁇ By selecting the fluorocarbon compound, a fluorocarbon compound solution can be prepared.
- the fluorinated compound used in the present invention includes (1) a hydrogenated atom of a saturated aliphatic hydrocarbon compound or a chlorine-containing saturated aliphatic chlorinated hydrocarbon substituted with fluorine, 2) fluorinated saturated aliphatic alcohol (a compound obtained by replacing a hydrogen atom of a saturated aliphatic hydrocarbon portion of a saturated aliphatic alcohol with a fluorine atom), (3) fluorinated ether, (4) fluorinated aromatic A group hydrocarbon means (5) a fluorinated solvent.
- Integers are integers equal to or less than n. ).
- the carbon number n is preferably an integer of 3-10, more preferably 3-6.
- fluorinated carbon compound examples include an inert liquid generally called florinate. It is a perfluorinated form of an aliphatic hydrocarbon, such as n-CF, CHF,
- Fluorinated saturated aliphatic alcohol (a compound obtained by replacing a hydrogen atom in a saturated aliphatic hydrocarbon portion of a saturated aliphatic alcohol with a fluorine atom) is represented by R— (CH 2) —OH, R—O f 2 nf
- F CF
- CF CF
- CF CF
- CF CF
- CF f 2 n 3 2 n-22 n
- n l—10 (even number ).
- tridecafluoro loctanol C F CH CH OH
- 2,2,2-trifluoroethanol 2,2-difluo
- Fluoroethanol 2 monofluoroethanol, 2,2,3,3-tetrafluoropropanol, 2,2,3,3,3-pentafunolelov.
- Lonononore 1,1,1,3,3,3-hexaphnoleolol 2 propanol, 3,3,4,4,4 pentafluorobutanol, 2,2,3,3,4,4,4 Fluorobutanol, 3,3,4,4-tetrafluoro-2-butanol, 3,3,4,4-tetrafluoro-2-methyl-2-butanol, 2,2,3,3,4,4,5 , 5—Oktafuloropen Penis, 2, 2, 3, 3, 4, 4, 5, 5, 5—Nonaphnole.
- the fluorinated ether is represented by R-O-R, R-O-Me, R-CH-O-Me, R-O-Et ⁇ R f f f f 2 f
- -It is a compound represented by CH -O-Et or the like.
- R is F (CF), F (CF) CHF, F (Cf2f2n2n
- fluorinated aromatic hydrocarbon examples include perfluorobenzene and 2,2-bis (4-hydroxyphenyl) hexafluoropropane.
- the substances (1) to (4) are all known substances. They can be purchased and used as needed.
- fluorinated solvent examples include perfluoro (2-butyl titrahydrofuran), perfluoro (triptyluamine), aflute (trade name of hexafluoroacetone, (manufactured by Daikin Co., Ltd.)), Asahicycline (he (A product name of Kisafluoroacetone, manufactured by Asahi Glass Co., Ltd.).
- fluorinated compounds are extremely stable compounds, and many flammable and non-flammable compounds are known. In terms of toxicity, it is a safe solvent with much lower toxicity than ordinary organic solvents. By using a fluorinated compound as a solvent in this way, it is possible to efficiently, safely and continuously supply a solid organic material in a supercritical fluid.
- the use ratio of the carbon dioxide (supercritical fluid) and the fluorinated compound is not particularly limited, but is preferably 10: 1 to 1:10 by volume ratio.
- the concentration of the organic substance dissolved therein depends on the target treatment or the reaction to be caused, and is not particularly limited. In the case, it is 0.01% by mass or more, preferably 0.05-2% by mass, and in the case of fine particles, it is preferably 0.05% by mass or more, more preferably 0.1-5% by mass.
- the treatment, reaction and the like of the present invention are performed under high-pressure conditions.
- the temperature and pressure conditions of the high-pressure vessel and the amount of the raw material fluorinated compound solution to be introduced depend on the mode of the raw material organic matter dissolved in the fluorinated compound. It is determined.
- the temperature and pressure conditions are set to be suitable for the reaction.
- a fluid in which the raw material organic matter is dissolved in a supercritical fluid in a high-pressure vessel (hereinafter referred to as a raw material melt) is prepared, and the raw material melt is introduced into another independent reaction vessel to form a supercritical fluid.
- the condition is set to the highest solubility in the presence of the fluorinated compound as the raw material.
- the supercritical fluid into which the fluorinated compound has been introduced may enter a one-phase supercritical state depending on the temperature, pressure, volume, and the amount of the raw material fluorinated compound solution introduced in the high-pressure vessel. It is determined whether the fluoride compound liquid phase is in a separated two-phase state.
- the fluorinated compound solution in which the organic raw material is dissolved at normal temperature and normal pressure (hereinafter referred to as the raw fluorinated carbon compound solution) can be easily stored in the raw material container 1 at normal temperature and normal pressure and sealed.
- the fluorocarbon compound solution stored in the closed raw material container can be pumped to the liquid pump 2 by a slight positive pressure by introducing high-purity nitrogen of about 50 kPa, and the liquid pump can be continuously pumped. 2 can be supplied. Since the liquid pump can easily and safely raise the pressure of the raw material fluoride compound solution to a high-pressure state, the raw material fluoride compound solution can be efficiently and safely continuously and continuously maintained in the high-pressure vessel. Can be supplied.
- An O-ring seal mechanism is used as a mechanism for sealing the raw material container, and Teflon (registered trademark) is used as a material of the O-ring.
- Teflon registered trademark
- glass can be used for the raw material container, and the remaining amount of the raw material can be observed.
- Teflon registered trademark
- Teflon Ted trademark
- Teflon Ted trademark
- the raw material container can be filled with the raw material more simply, efficiently, and at a lower cost than a sealing mechanism using a metal gasket.
- a Viton zero ring is generally used as a zero ring for such a sealing mechanism.
- the sealing effect is not sufficient, and this may have an adverse effect such as destroying the glass material container.
- Such a phenomenon is the same in other fluorine-containing rubbers such as Kalrez (trade name) having excellent corrosion resistance.
- a pure Teflon (registered trademark) zero ring is used as the zero ring used for the raw material container.
- a ring made of Teflon (registered trademark) can be purchased, for example, from Universal Corporation.
- Teflon (registered trademark) O-rings the swelling due to the fluorinated compound is slight, but the amount is very small. Again, a sufficient sealing action can be maintained.
- the raw material container 1 When storing in a raw material container, it is preferable to store it in a glove box, depending on the reactivity of the dissolved organic raw material. That is, it is desirable that the raw material container 1 be installed in a glove box that is hermetically sealed and replaced with an inert gas.
- the liquid pump normally has a check mechanism consisting of a check valve 3 as shown in the figure, but for more safety, an open / close valve that starts and stops the supply of the raw material fluorinated compound solution to the liquid pump It is more desirable that a check valve for preventing backflow of the raw material fluoride compound solution be provided in a flow path between the raw material container and the liquid pump.
- the method of introducing the raw materials into the high-pressure vessel 4 can be devised.
- a mechanism for spraying the raw material solution introduced into the high-pressure vessel into the supercritical fluid with a nozzle is provided, the raw material dispersed in the liquid will be in a much smaller cluster state than the solid fine particle raw material. Therefore, a much larger amount of organic material can be dissolved at a much higher speed than in the solid fine particle state.
- the material is mechanically agitated by the agitation mechanism, the raw material slightly remaining in the liquid phase can be dissolved in the supercritical fluid by subsequent agitation.
- a drain 5 may be provided below the high-pressure container 4 via a high-pressure valve. With the drain 5, only the fluoride compound liquid phase in the two-phase state is recovered from the high-pressure vessel 4, and the organic material is dissolved again to prepare a material fluoride compound solution, which can be reused.
- reference numeral 6 denotes a supercritical processing tank or a reaction tank, which shows an embodiment in which a film is formed on the substrate 7.
- 8 is a local heating device.
- the supercritical fluid containing the organic material to be processed is introduced into at least one of the supply lines A and B into the supercritical processing tank or the reaction tank 6, on the substrate 7, with or without a reaction. Used to form a thin film of the target substance.
- a collection container for collecting fine particles is provided in place of the substrate on which the thin film is coated in the above embodiment.
- the temperature of the reaction vessel is controlled to a constant pressure using a back pressure valve, and the temperature is rapidly increased to rapidly increase the density of supercritical carbon dioxide.
- grow the fine particles and collect them in a collection container are controlled to a constant pressure using a back pressure valve.
- the pressure inside the reaction vessel is rapidly reduced using a back pressure valve while the temperature is kept constant, and the density of supercritical carbon dioxide is rapidly reduced, creating a supersaturated state and generating fine particles. And the fine particles are grown and collected in a collecting container.
- the conductance connected to the high-pressure vessel constantly discharges the fluid while the feed fluid is constantly supplied to the base material or the recovery vessel by the pump, so that the pressure in the high-pressure vessel is maintained at a constant value.
- the coating of the thin film or the generation of fine particles may be performed while keeping the temperature.
- a metal gasket or a metal 0 ring is used as a mechanism for sealing the lid.
- a 0 ring made of Teflon (registered trademark) is used. This is because the supercritical fluid in which the fluorinated compound is introduced into the supercritical fluid has a stronger swelling effect on the rubber 0 ring than the fluorinated compound itself. For this reason, ordinary supercritical CO
- the organic material Zr (HFA) (HFA: hexafluoroacetylacetonate) weighed to lg in a glove box replaced with an inert gas is placed in a flask beaker.
- Asahi Glass fluorinated compound Asahiclean AK225 which is in a liquid state at room temperature and pressure, is poured into 10 Oml, and most of the Zr (HFA) is dissolved, leaving a small amount of Zr (HFA).
- Zr (HFA) is an organic metal containing fluorine.
- an organic metal containing fluorine can be dissolved in a fluorocarbon compound in a liquid state at normal temperature and normal pressure, and can be used as an organic material or a catalyst used in the present invention.
- a film was formed from the obtained raw material fluorinated compound as follows.
- a gas-replaceable glove box attached to the device developed in the present invention.
- 80 mL of the raw material container 1 composed of quartz and SUS jigs placed in a tas and having a capacity of 200 ml was poured in nitrogen gas and sealed.
- the raw material container is provided at the upper part of the container via an inlet valve for introducing nitrogen gas, and an outlet for discharging the raw material solution is provided at the lower part of the container via a valve, and the liquid introduced by the introduced 0.05 MPa nitrogen gas.
- the solution is now pumped to the liquid inlet of the pump!
- the fluorinated compound solution introduced into the liquid pump 2 is pressurized to 17 MPa or more while controlling the flow rate to 5 ml Zmin by the liquid pump 2, and finally the reaction tank 6 is controlled to a pressure of 17 MPa and a temperature of 80 ° C or less.
- H 0 was used as a reactant.
- Zr (HFA) and H 0 are solids that do not dissolve in fluorinated compounds by the reaction of the following formula
- liquid carbon was used. Although liquefied carbon dioxide hardly dissolves H 0 as compared with polar solvents such as alcohols, according to the Chemical Dictionary, liquefied carbon dioxide is
- the container After pouring into the high-pressure raw material container 4, the container is closed, and the liquid is extracted by a cylinder equipped with a siphon pipe by opening and closing the valve. Mixed with carbon.
- the stirring speed was adjusted to 500 rpm or more. Dissolve H 0 thoroughly
- the boiler pressure is connected to the suction side of a booster pump (Alps Sales Co., Ltd. reciprocating compressor MGS-C250SEP, trade name), and the pressure is further increased by the booster pump. And introduced into the reaction tank 6.
- a booster pump Alphas Sales Co., Ltd. reciprocating compressor MGS-C250SEP, trade name
- the reaction tank 6 is provided with a local heating device 8 as shown in the figure, so that a solid product can be deposited and collected on a substrate 7 installed therein.
- a local heating device 8 As shown in the figure, so that a solid product can be deposited and collected on a substrate 7 installed therein.
- this experimental device With the wall kept at 40 ° C-80 ° C, only the area near the substrate can be heated to 300 ° C or more.
- a 4-inch Si substrate was used as the substrate.
- the raw material fluorinated compound solution is diluted with supercritical carbon dioxide and supplied onto the substrate, and H 0 is dissolved in liquefied carbon dioxide.
- the melted fluid was compressed and heated, and supplied to the substrate as a supercritical fluid for reaction. Thereafter, the temperature was returned to normal temperature and normal pressure, and the Si substrate was also taken out.
- a solid product was deposited to a thickness of 15 nm in terms of SiO film thickness.
- the aircraft could be recovered.
- the reaction in the present invention is not limited to the carohydrate decomposition reaction as shown in the above Examples. That is, when hydrogen is used as a reactant, a reduction substance of an organic metal can be generated by the present invention. When oxygen or ozone is used as a reactant, an oxidized product of an organic metal can be produced. By selecting an organic material and a reactant and adjusting the reaction conditions in the supercritical state, it is possible to obtain a reaction product such as amination and nitration in a thin film state or a fine particle state.
- Example 2
- La (EtCp) precipitated and was found to be much less soluble than Zr (HFA), but no The color-clear liquid became cloudy white and a saturated solution of La (EtCp) was obtained.
- La (EtCp) is
- Cyclopentadiene (Cp) itself forms many metals and organic metals, and is also known as an important compound as a catalyst. Thus, even an organic metal that does not contain fluorine can be dissolved in a liquid state fluorocarbon compound at normal temperature and normal pressure by selecting a solvent, and can be used as an organic material or a catalyst used in the present invention. Can be used.
- the obtained fluorinated compound solution was placed in a raw material container having a capacity of 200 ml and made of quartz and SUS jigs installed in the gas-replaceable glove box described above. 70 mL of the mixture was poured in nitrogen gas and sealed. The fluorocarbon compound solution introduced into the liquid pump is pressurized to 17MPa or more while controlling the flow rate to 5mlZmin by the liquid pump, and finally into a reaction tank controlled at a pressure of 17MPa and a temperature of 80 ° C or less. Introduced.
- Reactant H 2 O made of all SUS different from the container in which Asahiclean AK225 was poured, has a volume of 200 ml.
- the mixed fluid of the fluorinated compound and carbon dioxide is in a mixed supercritical state.
- a 4-inch Si substrate was used as the substrate. Dilute fluorinated compound solution with supercritical carbon dioxide and supply onto substrate And compresses and superheats the solution of HO dissolved in liquefied carbon dioxide
- the Si substrate was taken out and supplied to the substrate as a body to carry out a reaction, and then returned to normal temperature and normal pressure, the Si substrate was taken out, and a solid product was deposited.
- Example 2 Using the zirconium raw material and the lanthanum raw material used in Example 2, both were introduced into the reaction vessel at the same time, and reacted with liquefied carbon dioxide in which H 0 was dissolved near the local heater.
- fine particles were precipitated.
- the particle size and composition of the precipitated fine particles were evaluated using a scanning electron microscope, a transmission electron microscope, and energy dispersive X-ray analysis. Fine particles with a particle size of several tens nm to several hundred nm were obtained, and as a result of composition analysis by energy dispersive X-ray analysis, the particles were found to be zirconium oxide fine particles and oxidized fine particles containing both zirconium and lanthanum. found. As described above, when the present invention is used, fine particles having a particle size of several tens nm to several hundreds nm can be obtained.
- HFA hexafluoroacetylacetonate
- the thin film was deposited by controlling the pressure at 17 MPa, the vessel temperature at about 200 ° C, and the stage temperature at 265 ° C. Gain When the obtained thin film was evaluated by X-ray photoelectron spectroscopy, a Cu peak was observed, indicating that it was a Cu thin film because of its electrical conductivity.
- a solid product Cu that is not dissolved in the fluorinated compound solvent can be obtained from Cu (HFA) 2 that is dissolved in the solvent by the following formula.
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006511530A JP4538613B2 (ja) | 2004-03-26 | 2005-03-25 | 超臨界処理方法およびそれに用いる装置 |
| US10/594,267 US20070224103A1 (en) | 2004-03-26 | 2005-03-25 | Supercritical Treatment Method and Apparatus to be Used in the Same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004093691 | 2004-03-26 | ||
| JP2004-093691 | 2004-03-26 |
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| WO2005092487A1 true WO2005092487A1 (ja) | 2005-10-06 |
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| PCT/JP2005/005535 Ceased WO2005092487A1 (ja) | 2004-03-26 | 2005-03-25 | 超臨界処理方法およびそれに用いる装置 |
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| Country | Link |
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| US (1) | US20070224103A1 (ja) |
| JP (1) | JP4538613B2 (ja) |
| WO (1) | WO2005092487A1 (ja) |
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| JP2010025923A (ja) * | 2008-06-19 | 2010-02-04 | Saitama Prefecture | 動的粘弾性測定装置 |
| JP2010532258A (ja) * | 2007-06-29 | 2010-10-07 | スヴェトリー・テクノロジーズ・アーベー | 急速膨張溶液により固体上に超疎水性表面を調製する方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7780763B2 (en) * | 2007-02-15 | 2010-08-24 | Chung-Sung Tan | Method of desorbing a volatile component from a spent adsorbent with rotating packed bed and method of recovering 2,2,3,3-tetrafluro-1-propanol from a gas stream by adsorption |
| CN114014960B (zh) * | 2021-10-21 | 2023-07-11 | 金聚合科技(宁波)有限公司 | 一种用于聚烯烃提纯的系统和方法 |
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| JP2002541320A (ja) * | 1999-04-02 | 2002-12-03 | サントル・ナショナル・ドゥ・ラ・ルシェルシュ・シャンティフィク | 粒子をコーティングするための方法 |
| JP2004025084A (ja) * | 2002-06-27 | 2004-01-29 | National Institute Of Advanced Industrial & Technology | 薄膜作製方法および薄膜作製装置 |
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| DE2512591C2 (de) * | 1975-03-21 | 1986-09-18 | Hag Ag, 2800 Bremen | Bodenverschluß |
| US4882128A (en) * | 1987-07-31 | 1989-11-21 | Parr Instrument Company | Pressure and temperature reaction vessel, method, and apparatus |
| US4970093A (en) * | 1990-04-12 | 1990-11-13 | University Of Colorado Foundation | Chemical deposition methods using supercritical fluid solutions |
| US6527865B1 (en) * | 1997-09-11 | 2003-03-04 | Applied Materials, Inc. | Temperature controlled gas feedthrough |
| FR2803539B1 (fr) * | 2000-01-07 | 2002-07-12 | Separex Sa | Procede de captage et d'encapsulation de fines particules |
| JP4053253B2 (ja) * | 2001-05-17 | 2008-02-27 | 大日本スクリーン製造株式会社 | 高圧処理装置及び方法 |
| US6619304B2 (en) * | 2001-09-13 | 2003-09-16 | Micell Technologies, Inc. | Pressure chamber assembly including non-mechanical drive means |
| WO2003064065A1 (en) * | 2002-01-25 | 2003-08-07 | Supercritical Systems Inc. | Method for reducing the formation of contaminants during supercritical carbon dioxide processes |
| JP4142357B2 (ja) * | 2002-07-04 | 2008-09-03 | 株式会社神戸製鋼所 | 廃高圧流体の処理方法およびその装置 |
| JP4248903B2 (ja) * | 2003-03-19 | 2009-04-02 | 大日本スクリーン製造株式会社 | 高圧処理装置および高圧処理方法 |
-
2005
- 2005-03-25 WO PCT/JP2005/005535 patent/WO2005092487A1/ja not_active Ceased
- 2005-03-25 US US10/594,267 patent/US20070224103A1/en not_active Abandoned
- 2005-03-25 JP JP2006511530A patent/JP4538613B2/ja not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002541320A (ja) * | 1999-04-02 | 2002-12-03 | サントル・ナショナル・ドゥ・ラ・ルシェルシュ・シャンティフィク | 粒子をコーティングするための方法 |
| JP2004025084A (ja) * | 2002-06-27 | 2004-01-29 | National Institute Of Advanced Industrial & Technology | 薄膜作製方法および薄膜作製装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010532258A (ja) * | 2007-06-29 | 2010-10-07 | スヴェトリー・テクノロジーズ・アーベー | 急速膨張溶液により固体上に超疎水性表面を調製する方法 |
| US8722143B2 (en) | 2007-06-29 | 2014-05-13 | Cellutech Ab | Method to prepare superhydrophobic surfaces on solid bodies by rapid expansion solutions |
| JP2010025923A (ja) * | 2008-06-19 | 2010-02-04 | Saitama Prefecture | 動的粘弾性測定装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070224103A1 (en) | 2007-09-27 |
| JP4538613B2 (ja) | 2010-09-08 |
| JPWO2005092487A1 (ja) | 2008-02-07 |
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