EP2195262A1 - Grossgebinde zur handhabung und für den transport von hochreinen und ultra hochreinen chemikalien - Google Patents
Grossgebinde zur handhabung und für den transport von hochreinen und ultra hochreinen chemikalienInfo
- Publication number
- EP2195262A1 EP2195262A1 EP08787418A EP08787418A EP2195262A1 EP 2195262 A1 EP2195262 A1 EP 2195262A1 EP 08787418 A EP08787418 A EP 08787418A EP 08787418 A EP08787418 A EP 08787418A EP 2195262 A1 EP2195262 A1 EP 2195262A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- empty container
- purity
- container according
- compounds
- connection unit
- 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
- 239000000126 substance Substances 0.000 title description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 33
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 150000002291 germanium compounds Chemical class 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 6
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 claims description 6
- 239000005052 trichlorosilane Substances 0.000 claims description 6
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000005049 silicon tetrachloride Substances 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 claims description 3
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 claims description 3
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- QUZPNFFHZPRKJD-UHFFFAOYSA-N germane Chemical compound [GeH4] QUZPNFFHZPRKJD-UHFFFAOYSA-N 0.000 claims description 3
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 claims description 3
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 claims description 3
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000011109 contamination Methods 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- 208000034809 Product contamination Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000001036 glow-discharge mass spectrometry Methods 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/12—Large containers rigid specially adapted for transport
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
- B67D7/0277—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants using negative pressure
- B67D7/0283—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants using negative pressure specially adapted for transferring liquids of high purity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/84—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for corrosive chemicals
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/4673—Plural tanks or compartments with parallel flow
- Y10T137/4857—With manifold or grouped outlets
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86187—Plural tanks or compartments connected for serial flow
- Y10T137/86196—Separable with valved-connecting passage
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86558—Plural noncommunicating flow paths
Definitions
- the invention relates to an empty container for receiving air- and / or moisture keits- sensitive chemicals, with a connection unit and an internal volume of at least 300 liters and adapters for connecting this empty container and its use.
- silicon compounds used in microelectronics have to meet very high purity requirements.
- the corresponding silicon compounds are required, inter alia, for producing high-purity, thin layers of silicon by means of epitaxy or silicon nitride (SiN), silicon oxide (SiO), silicon oxynitride (SiON), silicon oxycarbide (SiOC) or silicon carbide (SiC).
- Impurities in the starting compounds in the ppb to ppt range which can lead to undesirable changes in the properties of the layers produced therefrom, are already disturbing in these fields of application.
- the compounds mentioned are sought-after starting compounds in the required purity, in the field of electronics, in the semiconductor industry, in the manufacture of solar cells as well as in the pharmaceutical industry.
- High-purity or ultrahigh-purity chemicals are used, in particular in the semiconductor industry, where ultrahigh-purity or electronic grade silicon and germanium compounds are currently consumed on a scale of hundreds of tons.
- These are in particular trichlorosilane, silicon tetrachloride or tetraethoxysilanes, which are used for the production of epitaxial silicon layers on a Si wafer or else for the production of silicon dioxide insulating layers on electronic chips. So far, these small package sizes are being used to minimize the risks of possible contamination, for example in consumption.
- the size of the container was essentially adapted to the subsequent process step so that a container was completely emptied in it. Through this procedure, it was possible largely to avoid contamination, for example due to hydrolysis products, which can form as a result of repeated opening and closing of a container.
- Object of the present invention was to develop an empty container, which overcomes the disadvantages mentioned and is inexpensive to implement.
- connection unit having an internal volume of at least 300 liters, wherein the connection unit is associated with at least one obturator.
- Empty containers according to the invention with a connection unit comprise containers or containers for holding liquid chemicals, in particular air- and / or moisture-sensitive liquid or condensable compounds, wherein the Empty container has an internal volume of at least 300 liters (L) and the connection unit at least one obturator, in particular two or three diaphragm valves, are assigned.
- Such high or ultra high purity compounds may include but are not limited to, for example, silicon or germanium compounds.
- An example is the monosilane (SiH 4 ) which is gaseous at room temperature and can be condensed under pressure into an empty container. This compound is self-igniting and reacts immediately upon contact with atmospheric oxygen to silica and water.
- Silicon tetrachloride is a liquid-at-room-temperature compound which begins to smoke in the presence of humid air and hydrolyzes.
- Further high-purity or ultrahigh-purity compounds may be trichlorosilane, dichlorosilane, monochlorosilane, hexachlorodisilane, hexamethyldisilazane, tetraethoxysilane, methyltriethoxysilane, dimethyldimethoxysilane, germanium tetrachloride or monogerman, all of which must be handled in the absence of moisture and / or under a protective gas atmosphere.
- High-purity or ultrahigh-purity compounds should be understood as meaning compounds whose degree of impurity is in the ppb range; For ultrahigh-purity purity, impurities are present only in the ppt range and below.
- the contamination of silicon or germanium compounds with other metal compounds is in the ppb range to the ppt range, preferably in the ppt range.
- the required purity can be determined by GC, IR, NMR, ICP-MS or by Resistance measurement or GD-MS are checked after deposition of silicon or germanium.
- an empty container has an internal volume of at least 300 liters, preferably of at least 350 or 400 liters (L) or between 400 and 850 liters, between 400 and 1130 liters or between 400 and
- the internal volume is about 850 liters, 1130
- the shape of the empty container corresponds approximately to that of a cylindrical shell with a curved bottom and a curved upper end, wherein the connection unit is assigned to the upper termination.
- This design allows the realization of pressure-resistant empty containers, in which a large pressure difference between internal and external pressure can prevail, for example in condensed under pressure connections.
- the empty container, the connection unit and / or all parts that come into contact with the filled compounds made of stainless steel, more preferably made of stainless steel 316 L, the stainless steel or 316 L stainless steel are particularly preferably electropolished.
- the connection unit has to fill and empty the empty container
- shut-off valve a valve or a tap or a closure can be used, wherein the use of a valve is preferred.
- a valve is a diaphragm valve, a ball valve or a bellows valve.
- the multi-way system in particular the three-way system with at least two or three shut-off valves, is associated with a dip tube.
- the dip tube may preferably also be made of stainless steel, preferably made of stainless steel 316 L, more preferably it is electropolished and extends into the vicinity of the curved
- the axial arrangement of the dip tube is preferred so that it can extend down to the vicinity of the lowest point of the curved bottom. This measure allows a maximum emptying of the container.
- connection unit of the empty container can be connected to a production plant, in particular to a distillation column. This can be done directly via the multi-way system of the connection unit or by means of a suitable adapter. In this way, for example, the distillate can be collected directly in the empty container.
- An upstream in-process control can enable monitoring of the purity of the distillate. This can be done for example directly by spectroscopic method in the leads between the column and the empty container. This avoids transfer and minimizes the risk of contamination.
- the process is suitably monitored continuously by means of "online analytics".
- the connection unit is arranged in a protective device.
- the protective device comprises a cylindrical shell and a hinged or hinged cover and is arranged on the curved end about the connection unit.
- the connection unit is preferably completely enclosed by the protection device.
- the empty container and / or container may have a support on the curved bottom, which may be formed from circularly arranged supports or a cylindrical shell.
- the empty container can be stored on a correspondingly shaped base or in a frame, preferably made of metal.
- the empty container can provide recesses or fixing means that allow reloading by means of a crane. This is particularly preferred when the empty container size is from 850 liters.
- the recesses or fixing means are preferably associated with the cylindrical shell of the empty container.
- the invention further relates to an adapter for connecting the empty container with the apparatus for producing high-purity or ultrahigh-purity compounds, in particular for connecting the empty container with a distillation column.
- This provided on the side of the filler adapter preferably has a multi-way system for rinsing the adapter and associated components with inert gas and to evacuate this.
- the invention also provides a container according to the invention comprising the empty container which contains high-purity or ultra-high-purity silicon or germanium compounds, in particular silicon tetrachloride, trichlorosilane, dichlorosilane, monochlorosilane, hexachlorodisilane, monosilane, hexamethyldisilazane, tetraethoxysilane, methyltriethoxysilane, dimethyldimethoxysilane, germanium tetrachloride or monogerman ,
- the quality of the high purity or ultrahigh purity compounds does not change significantly during handling, storage and / or transportation.
- High-purity compounds should be understood as compounds which have impurities only in the ppb range; Ultrapure purity means impurities in the ppt range and below. This applies in particular to contamination of silicon or germanium compounds with other metal compounds which are at most in the ppb range, preferably in the ppt range.
- the invention further relates to an adapter for connecting the container with the device for removal and / or consumption of high-purity or ultra-high purity compounds, in particular for connecting the container with a production plant for the implementation of high-purity or ultra-high purity compounds.
- This intended on the part of the consumer adapter preferably has a multi-way system for flushing the adapter and associated components with inert gas and to evacuate this.
- the invention likewise relates to the use of empty containers according to the invention for the storage, handling and / or transport of high-purity and ultrahigh-purity compounds, in particular chemicals, particularly preferably for storage, handling and / or transport of high-purity and ultrahigh-purity silicon and / or germanium compounds.
- the empty container and container according to the invention allow a significant reduction in the number of containers and the frequency of a change of the empty or the container at the facilities of a filler and / or consumer.
- This change is particularly critical for high purity and ultrahigh purity compounds such as the precursors trichlorosilane or silicon tetrachloride for producing epitaxial silicon films on Si wafers.
- tetraethoxysilane which is used for the deposition of insulating layers of silicon dioxide.
- trichlorosilane and tetrachlorosilane are currently handled in 200 or 240 liter containers and tetraethoxysilane in 19, 38 and 200 liter containers.
- Just a change from the current standard 19-liter containers to the 1130-liter containers according to the invention reduces the frequency of replacing an empty or a container at the plants of 60 for an exchange.
- the change from 240 liter containers to 1130 liter containers reduces the frequency of changing the containers by Factor 5.5.
- the risk of hydrolysis or decomposition can be significantly reduced.
- the flange connection can also be associated with a sealing ring and closure means to ensure a hermetic closure of the empty container or container.
- the connection unit has a multi-way valve system, or more general multipath system, (5) with three shut-off devices (6 a, 6 b, 6 c), which correspond in this embodiment in each case to a diaphragm valve.
- a connection of the valve (6c) with the empty container extends in the vicinity of the connection unit straight into the empty container or container, valve (6b) is arranged between the two valves (6a and 6c).
- the multi-way system (5) associated with a dip tube (7) which is associated with the diaphragm valve (6a).
- the empty container or container has a cylindrical shell (3) and on both sides of the cylindrical shell a curved bottom (4a) and a curved upper end (4b). All parts that come into contact with the high-purity or ultrahigh-purity compounds are made of electropolished 316 L stainless steel.
- the connection unit (2) is arranged in a protective device (8).
- the support (9) allows parking on flat surfaces.
- valve (6c) is connected to a gas supply, for example to a helium source, and is in a position in which the gas supply communicates with the valve (6b).
- the valve (6a) is connected to a gas receiving device and also in a position brought in communication between the gas sampling device and the valve (6 b) is given.
- purge gas preferably inert gas.
- valve (6a) In order to flush the empty container with inert gas in order to avoid hydrolysis or decomposition of high-purity or ultrahigh-purity compounds, valve (6a) is in a position such that it communicates with a gas receiving device and simultaneously with the internal volume of the empty container (1 ). Valve (6b) is in a position such that the connection of the valves (6a) and (6c) is closed. The valve (6c) is open into the empty container and openly connected to a gas supply, for example a helium source. In this way, the gas, in particular helium flows through the inner volume of the empty container (1), the dip tube and the connection unit.
- a gas supply for example a helium source.
- the valve (6c) By alternately opening and closing the valve (6c) can take place alternately rinsing and evacuation of the empty container, when the gas receiving device is connected to a vacuum pump. Accordingly, the gas space can be flushed through liquid compounds in containers, when the valve (6c) with a gas receiving device and the valve (6a) are connected to a gas supply.
- the empty container or container preferably has a further valve, which is connected to an opening in the curved end.
- the valve (6b) To fill the empty container with a liquid connection, the valve (6b) is in a position which prevents communication between the valves (6a and 6c). About the valve (6a) is introduced by means of pumps, pressures or inflow over geodetic height through the dip tube liquid in the empty container. The gas / inert gas to be displaced escapes through the valve (6c) connected to a gas receiver. To empty the container, the valve (6b) remains in the above-described position, through the open valve (6c), which is connected to a gas storage container, inert gas is forced into the container.
- the valve (6a) may be connected via an adapter or directly to a consumer. The liquid compound leaves through the dip tube and through the open valve (6a) the container, which is emptied in this way.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Stackable Containers (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710050573 DE102007050573A1 (de) | 2007-10-23 | 2007-10-23 | Großgebinde zur Handhabung und für den Transport von hochreinen und ultra hochreinen Chemikalien |
PCT/EP2008/061017 WO2009053134A1 (de) | 2007-10-23 | 2008-08-22 | Grossgebinde zur handhabung und für den transport von hochreinen und ultra hochreinen chemikalien |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2195262A1 true EP2195262A1 (de) | 2010-06-16 |
EP2195262B1 EP2195262B1 (de) | 2015-11-18 |
Family
ID=40039824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08787418.6A Active EP2195262B1 (de) | 2007-10-23 | 2008-08-22 | Verwendung eines leergebinde zur handhabung und für den transport von hochreinen und ultra hochreinen chemikalien |
Country Status (11)
Country | Link |
---|---|
US (1) | US8485361B2 (de) |
EP (1) | EP2195262B1 (de) |
JP (1) | JP5877643B2 (de) |
KR (1) | KR20100083154A (de) |
CN (2) | CN101439786A (de) |
BR (1) | BRPI0818114A2 (de) |
CA (1) | CA2702622A1 (de) |
DE (1) | DE102007050573A1 (de) |
RU (1) | RU2503605C9 (de) |
UA (1) | UA104577C2 (de) |
WO (1) | WO2009053134A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005041137A1 (de) | 2005-08-30 | 2007-03-01 | Degussa Ag | Reaktor, Anlage und großtechnisches Verfahren zur kontinuierlichen Herstellung von hochreinem Siliciumtetrachlorid oder hochreinem Germaniumtetrachlorid |
DE102006003464A1 (de) * | 2006-01-25 | 2007-07-26 | Degussa Gmbh | Verfahren zur Erzeugung einer Siliciumschicht auf einer Substratoberfläche durch Gasphasenabscheidung |
DE102007007874A1 (de) | 2007-02-14 | 2008-08-21 | Evonik Degussa Gmbh | Verfahren zur Herstellung höherer Silane |
DE102007059170A1 (de) * | 2007-12-06 | 2009-06-10 | Evonik Degussa Gmbh | Katalysator und Verfahren zur Dismutierung von Wasserstoff enthaltenden Halogensilanen |
DE102008002537A1 (de) * | 2008-06-19 | 2009-12-24 | Evonik Degussa Gmbh | Verfahren zur Entfernung von Bor enthaltenden Verunreinigungen aus Halogensilanen sowie Anlage zur Durchführung des Verfahrens |
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2008
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- 2008-08-22 WO PCT/EP2008/061017 patent/WO2009053134A1/de active Application Filing
- 2008-08-22 US US12/738,799 patent/US8485361B2/en active Active
- 2008-08-22 JP JP2010530369A patent/JP5877643B2/ja not_active Ceased
- 2008-08-22 CA CA 2702622 patent/CA2702622A1/en not_active Abandoned
- 2008-08-22 EP EP08787418.6A patent/EP2195262B1/de active Active
- 2008-08-22 RU RU2010120439/12A patent/RU2503605C9/ru not_active IP Right Cessation
- 2008-08-22 UA UAA201006135A patent/UA104577C2/ru unknown
- 2008-08-22 KR KR1020107008780A patent/KR20100083154A/ko active Search and Examination
- 2008-10-22 CN CNA2008101714766A patent/CN101439786A/zh active Pending
- 2008-10-22 CN CN201410411005.3A patent/CN104289482A/zh active Pending
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Publication number | Publication date |
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EP2195262B1 (de) | 2015-11-18 |
JP2011500470A (ja) | 2011-01-06 |
CN104289482A (zh) | 2015-01-21 |
RU2010120439A (ru) | 2011-11-27 |
JP5877643B2 (ja) | 2016-03-08 |
CN101439786A (zh) | 2009-05-27 |
BRPI0818114A2 (pt) | 2015-09-08 |
UA104577C2 (ru) | 2014-02-25 |
US8485361B2 (en) | 2013-07-16 |
RU2503605C9 (ru) | 2014-07-20 |
KR20100083154A (ko) | 2010-07-21 |
US20100270296A1 (en) | 2010-10-28 |
WO2009053134A1 (de) | 2009-04-30 |
CA2702622A1 (en) | 2009-04-30 |
RU2503605C2 (ru) | 2014-01-10 |
DE102007050573A1 (de) | 2009-04-30 |
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