EP1596988A1 - Düsenanordnung - Google Patents
DüsenanordnungInfo
- Publication number
- EP1596988A1 EP1596988A1 EP04713522A EP04713522A EP1596988A1 EP 1596988 A1 EP1596988 A1 EP 1596988A1 EP 04713522 A EP04713522 A EP 04713522A EP 04713522 A EP04713522 A EP 04713522A EP 1596988 A1 EP1596988 A1 EP 1596988A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- nozzle arrangement
- nozzle body
- seal
- vacuum chamber
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
- B05B1/048—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like having a flow conduit with, immediately behind the outlet orifice, an elongated cross section, e.g. of oval or elliptic form, of which the major axis is perpendicular to the plane of the jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
- B05B1/042—Outlets having two planes of symmetry perpendicular to each other, one of them defining the plane of the jet
Definitions
- the invention relates to a nozzle arrangement, in particular for injecting a fluid jet into a vacuum Cairan, according to the preamble of claim 1.
- X-ray radiation sources are known in which a liquid target material is injected with a nozzle arrangement into a vacuum chamber and there is brought into a plasma state by laser radiation in which material-specific X-ray fluorescence radiation is emitted. It is important here that the injected liquid jet remains as stable as possible in the vacuum chamber, but this has so far been unsatisfactory with the known nozzle arrangements.
- a nozzle arrangement for material processing is known from US Pat. No. 4,131,236, this nozzle arrangement having a nozzle channel which tapers towards the outlet opening and has a convex inner contour.
- this nozzle arrangement having a nozzle channel which tapers towards the outlet opening and has a convex inner contour.
- the use of such nozzle arrangements for injecting a fluid jet into a vacuum chamber leads to an unstable fluid jet within the vacuum chamber.
- the object of the invention is therefore to create a nozzle arrangement which, when injected into a vacuum chamber, generates a fluid jet which is as stable as possible.
- the invention is based on the knowledge that the stability of the liquid jet injected into the vacuum chamber is favored by a flow that is as laminar as possible within the liquid jet.
- the invention therefore includes the general technical teaching of designing the nozzle arrangement in such a way that the flow at the outlet opening of the nozzle arrangement is as laminar as possible.
- the nozzle arrangement according to the invention therefore has a nozzle channel with an at least partially concavely shaped inner contour.
- concave inner contour used in the context of the invention is to be understood generally and is not restricted to the narrower mathematical meaning of this term.
- the inner contour of the nozzle channel in the nozzle arrangement according to the invention can also be simply bulged outwards.
- the nozzle channel has a parabolic inner contour, which has proven to be particularly advantageous.
- the concave or parabolic inner contour of the nozzle channel preferably extends from the outlet opening counter to the jet direction over a predetermined range. It is therefore not necessary within the scope of the invention that the concave or parabolic inner contour of the nozzle channel extends over the entire length of the nozzle arrangement.
- the nozzle channel runs in a nozzle body, the nozzle body being at least partially has a convex outer contour.
- convex outer contour used in the context of the invention is also to be understood generally and is not restricted to the narrow mathematical meaning of this term.
- the nozzle body can also have only a spherical or curved outer contour, the outer contour preferably tapering in the direction of the outlet opening.
- the nozzle body preferably has a parabolic outer contour, which has proven to be particularly advantageous when a liquid jet is injected into a vacuum chamber.
- the convex or parabolic outer contour of the nozzle body preferably extends from the outlet opening against the jet direction over a predetermined range. It is therefore not necessary within the scope of the invention that the convex or parabolic outer contour of the nozzle body extends over its entire length.
- the nozzle body is preferably made of quartz, sapphire, glass or another dielectric.
- Such a selection of materials for the nozzle body advantageously leads to a long service life, since these materials, as dielectrics, are not exposed to electro-chemical corrosion, which is particularly important in the case of the X-ray sources mentioned at the beginning, which generate many ions.
- Another advantage of glass as a material for the nozzle body is its good processability, since outlet openings with an inner diameter of 1 ⁇ m to 1 mm can be realized.
- the invention is not limited to the above-mentioned materials with respect to the material of the nozzle body. limits, but can also be realized, for example, with a plastic nozzle body, provided the plastic used is sufficiently erosion-resistant and smooth.
- the nozzle body consists of a transparent material such as glass.
- the transparency of the nozzle body offers the advantage that bubbles or dirt in the nozzle channel can be identified by a simple visual inspection, which considerably simplifies troubleshooting.
- the inside diameter of the outlet opening is preferably in the range from 1 ⁇ m to 0.5 mm, any number of intermediate values being possible.
- an inner diameter of the outlet opening in the range from 5 ⁇ m to 0.25 mm has proven to be particularly advantageous.
- the nozzle body preferably consists of a thermally conductive material in order to prevent hypothermia or even freezing of the liquid in the nozzle channel. This is particularly advantageous if the nozzle arrangement according to the invention is used for injecting a liquid jet into a vacuum chamber, since liquid evaporates due to the vacuum, which leads to cooling of the liquid due to the associated evaporative cooling.
- the nozzle body is connected to a feed line, a seal being arranged between the nozzle body and the feed line.
- the seal has the function, the transition to seal between the supply line and the nozzle body.
- the seal is intended to prevent the relatively hard supply line from hitting the likewise relatively hard nozzle body, since this would be associated with considerable wear.
- the seal is therefore preferably made of a much softer material than the nozzle body and / or the feed line.
- the seal can be made of a plastic such as nylon, but other materials are also possible.
- Inner channels for supplying the fluid to be injected likewise run in the feed line and the seal.
- the feed line preferably has an inner channel with an inner diameter of 0.1 mm to 5 mm, while the inner channel arranged in the seal preferably has an inner diameter in the range of 0.01 mm to 5 mm.
- the inner diameters of the inner channels differ in the feed line, the seal and in the nozzle channel by less than a factor of two.
- a screw connection is also provided in order to connect the feed line, the seal and / or the nozzle body to one another.
- Such a screw connection advantageously enables simple disassembly of the nozzle arrangement, for example for cleaning purposes.
- This screw connection preferably consists of a screw sleeve which can be screwed to the feed line and a screw cap which can be screwed to the screw sleeve.
- the Screw cap preferably an approach for a tool to screw the screw cap.
- the nozzle arrangement according to the invention preferably has a pressure resistance of at least 100 bar, since preferably all components are made in one piece and, for example, have no weld seams.
- the invention comprises a device with a vacuum chamber and a nozzle arrangement according to one of the preceding claims for injecting a fluid jet into the vacuum chamber.
- the nozzle arrangement according to the invention is advantageously suitable for injecting target material into a vacuum chamber of an X-ray source, as briefly described at the beginning, of a photoelectron spectrometer or a mass spectrometer.
- the nozzle arrangement according to the invention is heated thermostatically in order to prevent the fluid from being injected into a vacuum chamber
- FIG. 1c the screw sleeve of the nozzle arrangement from FIG.
- FIG. 1d shows a cross-sectional view of the seal of the nozzle arrangement from FIG.
- FIG. 1e shows a cross-sectional view of the screw cap of the nozzle arrangement from FIG.
- FIG. 1f the nozzle body of the nozzle arrangement from FIG.
- 1g shows a detailed cross-sectional view of the nozzle body in the region of the outlet opening
- FIG. 2a shows an alternative embodiment of a nozzle arrangement according to the invention in a cross-sectional representation
- FIG. 2b shows the feed line of the nozzle arrangement from FIG. 2a in a cross-sectional view
- FIG. 2c shows the seal of the nozzle arrangement from FIG. 2a in a cross-sectional view
- FIG. 2d shows the screw cap of the nozzle arrangement from FIG. 2a in a cross-sectional view
- FIG. 2e shows a detailed cross-sectional view of the nozzle body of the nozzle arrangement from FIG. 2a and FIG. 3 shows an X-ray source with a nozzle arrangement according to the invention.
- the nozzle arrangement 1 according to the invention shown in FIG. 1 a essentially consists of a feed line 2, a seal 3, a screw sleeve 4 screwed onto the feed line 2, a screw cap 5 screwed onto the screw sleeve 4 and a nozzle body 6 inserted into the seal 3, the is not shown for the sake of simplicity in FIG. 1a and is shown in detail in FIGS. 1f and 1g.
- the pressure-tight nozzle arrangement 1 is particularly advantageously suitable for injecting a liquid jet into a vacuum chamber, since the nozzle arrangement 1 can be used to generate a stable liquid jet.
- the feed line 2 is shown in detail in FIG. 1b and has a continuous inner channel 7 for supplying the liquid to be injected.
- the feed line 2 has a head 8 with an outer diameter of 4 mm, the head 8 carrying an external thread which, in the assembled state, engages in a correspondingly adapted internal thread 9 in the screw sleeve 4, the screw sleeve 4 being detailed is shown in Figure lc.
- the head 8 of the feed line 2 has a conical widening of the inner channel 7 on its free end face, the cone angle of the widening being 90 °.
- the seal 3 shown in detail in FIG. 1d has a corresponding conical taper 10 on its side facing the feed line 2, the cone angle of this taper 10 likewise being 90 °.
- the taper 10 of the seal 3 rests in the conical widening of the inner channel 7 of the feed line 2.
- the seal 3 is made of nylon and is therefore much softer than the metal supply line 2 one causes this material selection ' for the seal 3 a good sealing effect. On the other hand, this avoids a relatively wear-prone metal-glass transition.
- the seal 3 also has a continuous inner channel 11 through which the liquid to be injected is passed on.
- the inner channel 11 merges into a receiving chamber 12, in which the nozzle body 6 shown in FIGS. 1f and 1g is arranged in the assembled state, the nozzle body 6 being described in more detail.
- the seal 3 On the side facing away from the feed line 2, the seal 3 likewise has a conical taper 13, the cone angle of the taper 13 being only 15 °.
- the screw cap 5 which is shown in detail in FIG. Le, serves to fix the seal 3 in the screw sleeve 4.
- the screw cap 5 has an internal thread 14 on its inside, which in the assembled state engages in a corresponding external thread 15 which is attached in the outer lateral surface of the screw sleeve 4.
- the screw cap 5 presses the seal 3 axially against the supply line 2, the screw sleeve 4 fixing the screw connection consisting of the screw cap 5 and the screw sleeve 4 on the supply line 2.
- the nozzle body 6 essentially consists of a hollow cylindrical glass tube which is transparent and thus allows the detection of bubbles or contaminants within the nozzle body 6 by a simple visual inspection.
- plastic seal 3 advantageously prevents a glass-metal transition to the feed line 2, since such a glass-metal transition would be very susceptible to wear.
- the nozzle body 6 furthermore has a continuous nozzle channel 18, the nozzle channel 18 having a concave inner contour 19 in an area adjacent to the outlet opening 17.
- the concave inner contour 19 of the nozzle channel 18 contributes to a laminar flow at the outlet opening 17 and thus favors the stability of the injected liquid jet.
- the nozzle body -6 has a convex outer contour 20 in a region adjacent to the * outlet opening 17, which likewise favors a stable liquid jet.
- the exemplary embodiment of a nozzle arrangement 1 'according to the invention shown in FIGS. 2a-2e largely corresponds to the exemplary embodiment described above, so that in order to avoid repetition, reference is largely made to the above description and the same reference numerals are used below for corresponding components to distinguish them are only identified by an apostrophe.
- a special feature of the nozzle arrangement 1 ' is that the nozzle body 6' does not have a convex outer contour, but is designed as a cylindrical glass pane.
- the nozzle channel 18 'arranged in the nozzle body 6' also has a concave inner contour 19 'in order to achieve a flow which is as laminar as possible.
- FIG. 3 An example of an X-ray source according to the invention is schematically illustrated in FIG. 3.
- the x-ray source comprises a target source 21, which is connected to a temperature-controllable vacuum chamber 22, an irradiation device 23 and a collection device 24.
- the target source 21 comprises a reservoir 25 for a target material 26, a feed line 27 and a nozzle arrangement 28, which is designed in accordance with FIGS. 1a-2g or 2a-2e.
- an actuating device (not shown), which comprises, for example, a pump or a piezoelectric conveying device, the
- Target material 26 is guided to the nozzle arrangement 28 and released by the latter in the form of a liquid jet and injected into the vacuum chamber 22.
- the irradiation device 23 comprises a radiation source 29 and a radiation optics 30, with which radiation from the radiation source 29 can be focused on the target material 26.
- the radiation source 29 is, for example, a laser, the light of which is possibly directed towards the target material 26 with the aid of deflecting mirrors (not shown).
- an ion source or an electron source can be provided as the radiation device 23, which is also arranged in the vacuum chamber 22.
- the collecting device 24 comprises a sensor 31 e.g. in the form of a funnel or a capillary, which removes the target material 26, which has not evaporated under the influence of the radiation, from the vacuum chamber 22 and leads it into a collecting container 32.
- a sensor 31 e.g. in the form of a funnel or a capillary, which removes the target material 26, which has not evaporated under the influence of the radiation, from the vacuum chamber 22 and leads it into a collecting container 32.
- the collected liquid can advantageously be collected in the collecting container 32 without further measures.
- cooling of the collecting container 32 can be provided with a cooling device (not shown) and / or a vacuum pump (not shown).
- the vacuum chamber 22 comprises a housing with at least a first window 33, through which the target material 26 can be irradiated, and at least a second window 33, through which the generated X-ray radiation emerges.
- the second window 33 is optionally provided in order to decouple the generated X-radiation from the vacuum chamber 22 for a specific application. If this is not necessary, the second window 33 can be dispensed with.
- the vacuum chamber 22 is also connected to a vacuum device 34, with which a vacuum is generated in the vacuum chamber 22. This negative pressure is preferably below 10 ⁇ 5 mbar.
- the radiation optics 30 is also arranged in the vacuum chamber 22.
- the vacuum chamber 22 is equipped with a heating device which comprises one or more thermostats 35-37. With the thermostats 35-37, the housing of the vacuum chamber 22, the sensor 32 and / or the radiation optics 30 can be tempered. Possibly. the target source 21 can also be tempered.
- a thermostat includes, for example, a resistance heater known per se.
- the temperature set with the heating device is selected such that the vapor pressure of the target material 26 exceeds the gas pressure which is formed by irradiating the target material 26 with the irradiation device 23. This avoids oversaturation of the gas phase in the vacuum chamber 22.
- the released polymer remains gaseous and can be pumped out almost quantitatively with the vacuum device 34.
- the second window 33 consists of a window material transparent to soft X-rays, e.g. B. from beryllium. If the second window 33 is provided, an evacuable processing chamber 38 can be connected, which is connected to a further vacuum device 39. In the processing chamber 38, the x-ray radiation for material processing can be imaged on an object.
- An X-ray lithography device 40 is provided, for example, with which the surface of a semiconductor substrate is irradiated.
- the spatial separation of the X-ray source in the vacuum chamber 22 and the X-ray lithography device 40 in the processing chamber 38 has the advantage part that the material to be processed is not exposed to deposits of evaporated target material 26.
- the x-ray lithography device 40 comprises, for example, a filter 41 for selecting the desired x-ray wavelength, a mask 42 and the substrate 43 to be irradiated.
- imaging optics for example mirrors
Landscapes
- X-Ray Techniques (AREA)
- Nozzles (AREA)
- Electron Tubes For Measurement (AREA)
- Jet Pumps And Other Pumps (AREA)
- Percussion Or Vibration Massage (AREA)
- Surgical Instruments (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10308299A DE10308299A1 (de) | 2003-02-26 | 2003-02-26 | Düsenanordnung |
| DE10308299 | 2003-02-26 | ||
| PCT/EP2004/001761 WO2004076071A1 (de) | 2003-02-26 | 2004-02-23 | Düsenanordnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1596988A1 true EP1596988A1 (de) | 2005-11-23 |
| EP1596988B1 EP1596988B1 (de) | 2006-12-13 |
Family
ID=32863906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04713522A Expired - Lifetime EP1596988B1 (de) | 2003-02-26 | 2004-02-23 | Düsenanordnung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080191051A1 (de) |
| EP (1) | EP1596988B1 (de) |
| JP (1) | JP2006522997A (de) |
| AT (1) | ATE347935T1 (de) |
| DE (2) | DE10308299A1 (de) |
| WO (1) | WO2004076071A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672674A1 (de) | 2004-12-17 | 2006-06-21 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Untersuchungsverfahren und -system zur Hochdurchsatzmassenanalyse |
| DE102005032983B4 (de) * | 2005-07-14 | 2007-05-31 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Düsenanordnung |
| JP5485056B2 (ja) * | 2010-07-21 | 2014-05-07 | 東京エレクトロン株式会社 | イオン供給装置及びこれを備えた被処理体の処理システム |
| DE102016216568B4 (de) * | 2016-09-01 | 2019-06-27 | Schott Ag | Verfahren und Vorrichtung zur Abbildung der Innenkontur eines Rohres |
| TWI888405B (zh) | 2019-09-06 | 2025-07-01 | 荷蘭商Asml荷蘭公司 | 用於極紫外線光源之裝置及用於目標材料供應系統之支撐結構 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2683627A (en) * | 1952-08-25 | 1954-07-13 | Spraying Systems Co | Spray nozzle with rearwardly extending airways |
| DE1057024B (de) * | 1953-12-19 | 1959-05-06 | Rudolf Eichenauer | Spritzpistole mit Kolbenpumpe zur Zerstaeubung von Fluessigkeiten |
| US3257046A (en) * | 1964-09-28 | 1966-06-21 | James Paul O Sullivan | Dispensing cap for collapsible tubes |
| US3393988A (en) * | 1965-03-04 | 1968-07-23 | Clevite Corp | Method of forming a miniature nozzle from a glass tube |
| US3750961A (en) * | 1971-07-16 | 1973-08-07 | N Franz | Very high velocity fluid jet nozzles and methods of making same |
| US3843055A (en) * | 1973-07-18 | 1974-10-22 | Nordson Corp | Spray nozzle |
| US4131236A (en) * | 1975-12-24 | 1978-12-26 | The British Hydromechanics Research Association | High velocity liquid jet cutting nozzle |
| US4854263B1 (en) * | 1987-08-14 | 1997-06-17 | Applied Materials Inc | Inlet manifold and methods for increasing gas dissociation and for PECVD of dielectric films |
| DE3911330A1 (de) * | 1989-04-07 | 1990-10-11 | Uraca Pumpen | Spritzduese |
| JPH067937B2 (ja) * | 1990-02-15 | 1994-02-02 | アロイ工器株式会社 | エアレス塗装用噴霧ノズル |
| JP2809995B2 (ja) * | 1994-10-19 | 1998-10-15 | 住友重機械工業株式会社 | 極低温用ウルトラクリーンノズルとその製造方法 |
| DE19541174C2 (de) * | 1995-11-04 | 1998-11-26 | Spraying Systems Deutschland G | Hochleistungsstrahldüse |
| GB2330163B (en) * | 1997-10-13 | 2002-03-13 | Smith International | Drill bit |
| EP0989595A3 (de) * | 1998-09-18 | 2001-09-19 | Ims-Ionen Mikrofabrikations Systeme Gmbh | Vorrichtung zur Bearbeitung von Substratoberflächen |
| DE19918257A1 (de) * | 1999-04-22 | 2000-11-23 | Lechler Gmbh & Co Kg | Hochdrucksprühdüse |
| US6972421B2 (en) * | 2000-06-09 | 2005-12-06 | Cymer, Inc. | Extreme ultraviolet light source |
| US6604546B1 (en) * | 2001-07-02 | 2003-08-12 | E-Z Flo Injection Systems, Inc. | Hose-end chemical delivery system |
| US7160101B2 (en) * | 2003-03-20 | 2007-01-09 | Mold-Masters Limited | Apparatus for heating a nozzle with radiant energy |
-
2003
- 2003-02-26 DE DE10308299A patent/DE10308299A1/de not_active Withdrawn
-
2004
- 2004-02-23 WO PCT/EP2004/001761 patent/WO2004076071A1/de not_active Ceased
- 2004-02-23 AT AT04713522T patent/ATE347935T1/de not_active IP Right Cessation
- 2004-02-23 DE DE502004002294T patent/DE502004002294D1/de not_active Expired - Fee Related
- 2004-02-23 US US10/546,899 patent/US20080191051A1/en not_active Abandoned
- 2004-02-23 EP EP04713522A patent/EP1596988B1/de not_active Expired - Lifetime
- 2004-02-23 JP JP2006501926A patent/JP2006522997A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004076071A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004076071A1 (de) | 2004-09-10 |
| DE502004002294D1 (de) | 2007-01-25 |
| DE10308299A1 (de) | 2004-09-16 |
| JP2006522997A (ja) | 2006-10-05 |
| ATE347935T1 (de) | 2007-01-15 |
| US20080191051A1 (en) | 2008-08-14 |
| EP1596988B1 (de) | 2006-12-13 |
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