WO2022244788A1 - 非蒸発型ゲッタコーティング装置、非蒸発型ゲッタコーティング容器・配管の製造方法、非蒸発型ゲッタコーティング容器・配管 - Google Patents
非蒸発型ゲッタコーティング装置、非蒸発型ゲッタコーティング容器・配管の製造方法、非蒸発型ゲッタコーティング容器・配管 Download PDFInfo
- Publication number
- WO2022244788A1 WO2022244788A1 PCT/JP2022/020595 JP2022020595W WO2022244788A1 WO 2022244788 A1 WO2022244788 A1 WO 2022244788A1 JP 2022020595 W JP2022020595 W JP 2022020595W WO 2022244788 A1 WO2022244788 A1 WO 2022244788A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- evaporable getter
- getter coating
- evaporable
- permanent magnet
- pipe
- Prior art date
Links
- 229910000986 non-evaporable getter Inorganic materials 0.000 title claims abstract description 182
- 238000000576 coating method Methods 0.000 title claims abstract description 145
- 239000011248 coating agent Substances 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000005477 sputtering target Methods 0.000 claims abstract description 64
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- 229910007727 Zr V Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000009719 polyimide resin Substances 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 229910001029 Hf alloy Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 239000010935 stainless steel Substances 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 9
- 230000004907 flux Effects 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 229910000756 V alloy Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000006091 Macor Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 238000001900 extreme ultraviolet lithography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/02—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by absorption or adsorption
-
- 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
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- 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
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/046—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
-
- 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
- C23C14/14—Metallic material, boron or silicon
-
- 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
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
- C23C14/165—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon by cathodic sputtering
-
- 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
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/02—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by absorption or adsorption
- F04B37/04—Selection of specific absorption or adsorption materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
- F04B37/16—Means for nullifying unswept space
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3402—Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
- H01J37/3405—Magnetron sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3414—Targets
- H01J37/342—Hollow targets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/345—Magnet arrangements in particular for cathodic sputtering apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/345—Magnet arrangements in particular for cathodic sputtering apparatus
- H01J37/3452—Magnet distribution
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3435—Target holders (includes backing plates and endblocks)
Definitions
- the present invention relates to a non-evaporable getter coating apparatus, a method for manufacturing a non-evaporable getter coating container/pipe, and a non-evaporable getter coating container/pipe.
- an NEG pump equipped with a non-evaporable getter (hereinafter also referred to as "NEG") has attracted attention as a vacuum pump that consumes less energy and enables evacuation over a wide pressure range.
- the NEG pump is a vacuum pump that cleans the surface of the NEG by heating in a vacuum and adsorbs the gas remaining inside the vacuum device to which the non-evaporable getter pump is connected, thereby evacuating the vacuum device.
- Non-Patent Document 1 a technology developed by the European Organization for Nuclear Research (CERN) around 1997 for the purpose of making the inner surface of a beam duct for a particle accelerator function as a vacuum pump is known (Patent Document 1). , Non-Patent Document 1).
- This technique uses a magnetron sputtering method to form a Ti-Zr-V thin film with a fine crystal structure on the inner surface of a vacuum vessel. Exhaust velocity and low photo/electron-stimulated desorption gas emission characteristics are obtained.
- the film formation method is specialized for a long beam duct for an accelerator, and the sputter target is arranged inside the long beam duct for an accelerator along its extending direction. It is based on the idea of and requires a twisted wire type Ti--Zr--V target and a magnetic field by a large solenoidal electromagnet.
- Magnetron sputtering technology using permanent magnets has already been put into practical use in semiconductor manufacturing equipment and the like. It is usually arranged at a position corresponding to the back side of the sputtering target when viewed from the substrate (wafer).
- the sputtering target, the duct or substrate to be subjected to sputtering, and the magnetic field source are arranged in this order so that the magnetic field source does not interfere with the sputtering.
- the inventors came up with the idea of developing a new non-evaporable getter coating apparatus based on a new technical idea of incorporating the magnetic field generation source inside the sputtering target instead of arranging it outside the sputtering target. .
- Non-Patent Document 2 a flange mount type non-evaporable getter coating apparatus was prototyped using a Ti—Zr—V alloy as a sputtering target and an Sm—Co magnet as a permanent magnet.
- the present invention provides a non-evaporable getter coating apparatus that can apply a non-evaporable getter coating to the inner surface of vacuum vessels and vacuum pipes of various shapes and standards. for the purpose.
- the non-evaporable getter coating apparatus of the present invention comprises a sputtering target having an internal space, and a plurality of permanent magnets provided within the internal space of the sputtering target, which are arranged in series with the direction of the magnetic field alternated. and a flange to which the sputtering target and the permanent magnet column are fixed, wherein the ratio of the length LM of the permanent magnet to the outer diameter EDM of the permanent magnet (LM/EDM) is 1. 0 to 4.0, and a ratio (EDM/EDN) of the outer diameter EDM of the permanent magnet to the outer diameter EDN of the sputtering target is 0.3 to 0.8.
- the sputtering target has a cylindrical shape
- the permanent magnet has a columnar shape
- the flange has a disk shape.
- both the extending direction of the sputtering target and the extending direction of the permanent magnet column are perpendicular to the plane of the disk of the flange.
- the material of the sputtering target is at least one selected from the group consisting of Ti—Zr—V alloy, Ti—Zr—V—Hf alloy, pure Ti, pure Zr, and pure Pd. is preferably included.
- the permanent magnet is at least one selected from the group consisting of Sm--Co magnets, Nd--Fe--B magnets, Al--Ni--Co magnets, Pr--Co magnets and ferrite magnets. is preferably included.
- the flange is at least one selected from the group consisting of ICF standard products, NW standard products, ISO standard products, JIS standard products, various metal O-ring seal products, and various metal gasket seal products. preferably one.
- the length LM of the permanent magnet is 5 mm to 100 mm
- the outer diameter EDM of the permanent magnet is 5 mm to 32 mm
- the outer diameter EDN of the sputtering target is 16 mm to 80 mm.
- the non-evaporable getter coating apparatus of the present invention further include a shield provided to cover a fixing portion between the sputtering target and the flange.
- the material of the shield preferably contains polyimide resin.
- the non-evaporable getter coating apparatus of the present invention further includes a device for displacing the permanent magnet column in its extending direction.
- the method of manufacturing the non-evaporable getter coating container and/or the non-evaporable getter coating pipe of the present invention comprises mounting the non-evaporable getter coating device of the present invention on the vacuum pipe and/or the vacuum container, and applying the magnetron sputtering method to the vacuum.
- a non-evaporable getter material layer is formed on the inner surface of the container and/or the vacuum pipe to obtain a non-evaporable getter-coated container and/or a non-evaporable getter-coated pipe.
- the discharge gas in the magnetron sputtering method is Kr or Ar.
- the pressure of the discharge gas is preferably 0.05 Pa to 30 Pa.
- the cathode voltage in the magnetron sputtering method is preferably -1000V to -300V.
- the vacuum pipe and/or the vacuum container have a bent portion.
- the inner diameter of the vacuum container and/or the vacuum pipe is 20 mm to 200 mm.
- the non-evaporable getter coating container and/or the non-evaporable getter coating pipe of the present invention has a shape with a bent portion, and the coated non-evaporable getter crystals have an average particle size of 2 nm to 100 nm. Characterized by
- a non-evaporable getter coating apparatus that can apply a non-evaporable getter coating to the inner surface of vacuum vessels and vacuum pipes of various shapes and standards. be able to.
- FIG. 1 is a cross-sectional view of a non-evaporable getter coating apparatus according to an embodiment of the present invention, taken along a plane along its extending direction.
- FIG. 2 is an enlarged view of part of the non-evaporable getter coating apparatus according to the embodiment of the present invention shown in FIG.
- FIG. 3A is an enlarged view of a portion of the non-evaporable getter coating apparatus according to the embodiment of the present invention shown in FIG. 1 (the portion indicated by the dashed square frame in FIG. 1).
- FIG. 3B is an enlarged view of a part of the non-evaporable getter coating apparatus according to the embodiment of the present invention shown in FIG. The figure is a cross-sectional view taken along the plane in FIG.
- FIG. 4 shows the state of a test in which the non-evaporable getter coating apparatus of Example 1 of the present invention is attached to a cross tube and a non-evaporable getter material layer is formed on the inner surface of the cross tube by magnetron sputtering. It is a figure which shows typically about.
- FIG. 5 is a photograph (perspective view) taken of the non-evaporable getter coating apparatus of the ICF114 standard of Example 1.
- FIG. 6 shows a test in which the ICF114 standard non-evaporable getter coating apparatus of Example 1 is attached to an ICF114 standard cross tube, and a non-evaporable getter material layer is formed on the inner surface of the cross tube by magnetron sputtering. It is the photograph (perspective view) which image
- FIG. 7 shows the non-evaporable getter coating apparatus of Example 1, which is mounted on the ICF114 standard cross tube, and a non-evaporable getter material layer is formed on the inner surface of the cross tube by the magnetron sputtering method under the conditions of Example 1. It is the photograph which image
- FIG. 8 shows the ICF114 standard non-evaporable getter coating apparatus of Example 1 attached to the ICF114 standard cross tube, and the non-evaporable getter material layer on the inner surface of the cross tube by the magnetron sputtering method under the conditions of Example 1. It is the photograph which image
- FIG. 9 shows the ICF114 standard non-evaporable getter coating apparatus of Example 1 attached to the ICF114 standard cross tube, and a non-evaporable getter material layer is formed on the inner surface of the cross tube by the magnetron sputtering method under the conditions of Example 1.
- FIG. 9(A) shows the result of XRD measurement for a monitor stainless sample (Top).
- FIG. 9(B) shows the result of XRD measurement for a monitor stainless steel sample (Side).
- the non-evaporable getter coating apparatus of the present embodiment includes a sputtering target having an internal space, and a plurality of permanent magnets provided within the internal space of the sputtering target arranged in series with the orientation of the magnetic field alternated. and a flange to which the sputter target and permanent magnet post are secured.
- the internal space of the sputtering target refers to the space surrounded by the sputtering target.
- the space defined by the inner surface is used.
- the opening of the sputtering target can be thought of in terms of shape, it refers to the space defined by the inner surface and the surface formed by the edge of the opening.
- At least part of the permanent magnet pillars may be provided within the range of the internal space of the sputtering target, and 50% by volume or more, 70% by volume or more, or 90% by volume or more of the permanent magnet pillars is preferably provided within the interior space of the sputter target.
- the sputtering target may consist of one member, or may consist of a combination of two or more members.
- FIG. 1 is a cross-sectional view of the non-evaporable getter coating device according to the embodiment of the present invention, taken along the extending direction thereof.
- the sputtering target and the permanent magnet column are fixed to the flange by fitting into the flange.
- These members may be fixed by a conventional method via an insulating member or using bolts or the like.
- the permanent magnet columns in the non-evaporable getter coating apparatus of this embodiment shown in FIG. The magnets are arranged in series so that the magnet adjacent to the magnet has a direction from the N pole to the S pole. In this embodiment, it is preferable to use a plurality of permanent magnets of the same size from the viewpoint of adjusting periodic plasma.
- Adjacent permanent magnets may be arranged in direct contact, or may be arranged at a predetermined interval. preferably.
- the shape of the sputtering target is cylindrical
- the shape of the permanent magnet is cylindrical
- the shape of the flange is disk-shaped.
- the shape of the sputtering target is preferably cylindrical, but is not particularly limited as long as it has an internal space. good.
- the shape of the permanent magnet is preferably cylindrical, but may be a columnar shape other than the columnar shape (for example, a columnar shape with a square bottom surface) or other shapes.
- the shape of the flange is preferably disk-shaped, but may be a plate-shaped bottom with a rectangular bottom, or other shapes.
- both the extending direction of the sputtering target and the extending direction of the permanent magnet column are perpendicular to the plane of the disk of the flange. More specifically, as shown in FIG. 1, the axial direction of the cylindrical sputtering target and the axial direction of the cylindrical permanent magnet are perpendicular to the circular upper surface of the disk-shaped flange. It's becoming Then, as shown in FIG. 1, the axis of the sputtering target, the axis of the permanent magnet, and the axis of the flange are aligned.
- non-evaporable getter coating apparatus of the present invention is not limited to the arrangement relationship in the present embodiment.
- the extending direction of the sputtering target, the extending direction of the permanent magnet column, and the direction perpendicular to the plane of the disk of the flange may cross each other at an angle.
- the intersection angle in any two of the above three directions is not particularly limited, but may be more than 0° and 45° or less and more than 0° and 30° or less so that the effects of the present invention can be easily obtained.
- all of the sputtering target, permanent magnet column, and flange preferably have a three-dimensional shape symmetrical about the rotation axis.
- the ratio (LM/EDM) of the permanent magnet length LM to the permanent magnet outer diameter EDM is 1.0 to 4.0.
- the lower limit of the ratio (LM/EDM) is set to 1.0 or more, it is possible to distribute the magnetic flux density to the extent that it satisfies the magnetron sputtering conditions even at a point distant from the sputtering target surface, and the upper limit is set to 4.0.
- the magnetic flux density in the vicinity of the surface of the sputtering target can be increased to the extent that the conditions for magnetron sputtering are satisfied.
- one permanent magnet in this embodiment may be formed by connecting a plurality of small permanent magnets in series.
- the length LM of the permanent magnet of the device is the sum of the lengths of the small permanent magnets connected in series.
- the ratio of the outer diameter EDM of the permanent magnet to the outer diameter EDN of the sputtering target is 0.3 to 0.8.
- the magnetic flux density in the vicinity of the sputtering target surface can be increased to the extent that the magnetron sputtering conditions are satisfied, and the upper limit is set to 0.8 or less.
- the magnet poles satisfying the magnetron sputtering conditions can be housed in the internal space of the sputtering target.
- the ratio of the permanent magnet length LM to the permanent magnet outer diameter EDM LM/EDM
- EDM permanent magnet outer diameter
- the ratio (LM/EDM) is a value that can correlate with the attenuation rate of the magnetic flux density with respect to the distance from the permanent magnet, and the ratio (EDM/EDN) correlates with the magnitude of the magnetic flux density on the surface of the sputtering target. is a value that can have
- the lower limit of the ratio may be 1.2 or more and 1.4 or more, and the upper limit is 3.5. Hereinafter, it may be 3.0 or less.
- the lower limit of the ratio (EDM/EDN) may be 0.35 or more and 0.4 or more, and the upper limit is 0.7. Hereinafter, it may be 0.6 or less.
- FIG. 2 is an enlarged view of part of the non-evaporable getter coating apparatus of the embodiment of the present invention shown in FIG. 1 (the part indicated by the solid-line square frame in FIG. 1).
- the permanent magnet length LM may be 5 mm to 100 mm, the lower limit may be 8 mm or more and 15 mm or more, and the upper limit may be 60 mm or less and 40 mm or less.
- the outer diameter EDM of the permanent magnet may be 5 mm to 32 mm, the lower limit may be 8 mm or more and 12 mm or more, and the upper limit may be 24 mm or less and 16 mm or less.
- the outer diameter EDN of the sputtering target may be 16 mm to 80 mm, the lower limit may be 20 mm or more and 24 mm or more, and the upper limit may be 60 mm or less and 40 mm or less.
- the non-evaporable getter coating apparatus of the present embodiment shown in FIG. 1 further includes a shield provided to cover the fixing portion between the sputtering target and the flange.
- a shield provided to cover the fixing portion between the sputtering target and the flange.
- the material of the shield may be an insulating material, and the insulating material is not particularly limited, but may be polyimide resin, various machinable ceramics (Photoveil (registered trademark), Macor (registered trademark), etc.). Among them, polyimide resin is preferable from the viewpoint of high strength, low gas release property, heat resistance, corrosion resistance, and processability into a film. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- FIG. 3(A) is an enlarged view of a part of the non-evaporable getter coating apparatus according to the embodiment of the present invention shown in FIG. 1 (the part indicated by the dashed square frame in FIG. 1).
- the non-evaporable getter coating apparatus of this embodiment shown in FIG. 1 further includes a device for rotating the cam as shown in FIG. 3(B).
- the cam may be rotated using a low speed motor or the like.
- the non-evaporable getter coating apparatus of the present embodiment since plasma is generated periodically along the extending direction of the permanent magnet column, the sputtering target is periodically consumed in the extending direction. By changing the positional relationship of the sputter target with respect to the permanent magnet column with respect to its extension direction, the consumption of the sputter target can be averaged with respect to its extension direction.
- the non-evaporable getter coating apparatus of the present invention is not limited to the apparatus shown in FIG. It may be a device that allows vertical displacement.
- the vertical displacement distance DD is not particularly limited, but when a plurality of permanent magnets of the same size are used, it is preferably the same as the length LM of the permanent magnets from the viewpoint of uniformity of consumption. .
- FIG. 3B is an enlarged view of a part of the non-evaporable getter coating apparatus according to the embodiment of the present invention shown in FIG.
- the figure is a cross-sectional view taken along the plane in FIG. 1, and the left figure is a cross-section taken along a plane perpendicular to the plane in FIG.
- the insulating member of the fixed portion is appropriately provided with vent holes and grooves (labyrinth structure) from the viewpoint of further improving the exhaust performance and realizing ultra-high vacuum applications. It's okay. Also, a vent bolt may be used for the bolt of the fixed portion.
- the material of the sputtering target is not particularly limited and may be selected according to the application and purpose. Among them, Ti--Zr--V alloys are preferable from the viewpoint of high evacuation performance, low activation temperature, and low electron/photostimulated desorption characteristics. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- Permanent magnets that can be used in this embodiment are not particularly limited and may be selected according to the application and purpose. , Pr--Co magnets, ferrite magnets, etc. Among them, Sm--Co magnets are preferred from the viewpoint of high magnetic properties and high Curie temperature. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- the flange that can be used in this embodiment is not particularly limited. It may be appropriately selected according to standards, and examples thereof include ICF standard products, NW standard products, ISO standard products, JIS standard products, various metal O-ring seal products, and various metal gasket seal products. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- the material of the flange is not particularly limited, but includes stainless steel, oxygen-free copper, copper alloys, aluminum alloys, titanium alloys, and ceramics. preferable. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- a potential is applied between the sputtering target and the vacuum vessel or vacuum pipe where the non-evaporable getter coating is applied by sputtering. It further includes a current terminal electrically connected.
- the method of manufacturing the non-evaporable getter coating container and/or non-evaporable getter coating pipe of the present embodiment includes attaching the non-evaporable getter coating device of the present embodiment to the vacuum pipe and/or the vacuum container, and performing the magnetron sputtering method.
- a non-evaporable getter material layer is formed on the inner surface of the vacuum container and/or the vacuum pipe to obtain a non-evaporable getter-coated container and/or a non-evaporable getter-coated pipe.
- FIG. 4 shows the state of a test in which the non-evaporable getter coating apparatus of Example 1 of the present invention is attached to a cross tube and a non-evaporable getter material layer is formed on the inner surface of the cross tube by magnetron sputtering. It is a figure which shows typically about.
- the vacuum pipe and/or vacuum vessel that can be used in the method of the present embodiment is not particularly limited, but may be appropriately selected according to the purpose and application.
- Standard products, various metal O-ring seal products, various metal gasket seal products, etc. can be mentioned. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- the shape of the vacuum pipe to be used is made into the shape which has a bending part. More specifically, the shape of the vacuum pipe shown in FIG. 4 is a shape having a bent portion that is a portion bent in the flow direction with respect to the appearance, and the internal space is also bent in the flow direction according to the appearance. It is a shape having a bent portion which is a portion.
- the shape of the vacuum vessel and/or the vacuum pipe to be used is not particularly limited.
- vacuum pipes having a bent portion include cross pipes, elbow pipes, cheese pipes, hexagonal pipes, flexible pipes, and the like.
- Suitable examples of the vacuum vessel having a bent portion include manifolds, branch pipes incorporated in vacuum equipment (such as electron microscopes, particle accelerators, analyzers, and semiconductor manufacturing equipment). These may be used individually by 1 type, and may be used in combination of 2 or more types.
- Materials for the vacuum pipes and vacuum vessels are not particularly limited, but include stainless steel, oxygen-free copper, copper alloys, aluminum alloys, titanium alloys, and ceramics. from the point of view, stainless steel is preferable. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- the inner diameter of the vacuum vessel and/or vacuum pipe used in the method of the present embodiment is not particularly limited, but from the viewpoint of ease of film formation, it is preferably 20 mm to 200 mm, and the lower limit is 30 mm or more. Also, the upper limit may be 100 mm or less.
- the thickness of the vacuum vessel and/or vacuum pipe used in the method of the present embodiment is not particularly limited, but may be 0.3 mm to 6 mm. Such thickness is preferably constant over the majority of the vacuum vessel and/or vacuum piping.
- the discharge gas in the magnetron sputtering method in the method of the present embodiment may be a rare gas, preferably Kr or Ar from the viewpoint of high sputtering efficiency and difficulty of embedding in the film, and Kr is preferred. is particularly preferred. These may be used individually by 1 type, and may be used in combination of 2 or more types.
- the pressure of the discharge gas is preferably 0.05 Pa to 30 Pa from the viewpoint of stable plasma generation and control of film quality and film formation speed, and the lower limit may be 0.1 Pa or more. may be 3 Pa or less.
- the cathode voltage in the magnetron sputtering method in the method of the present embodiment is preferably ⁇ 1000 V to ⁇ 300 V from the viewpoint of controlling high sputtering efficiency, film quality and film formation speed, and the lower limit may be ⁇ 600 V or more. , and the upper limit may be -350 V or less.
- Non-evaporable getter coating container and/or non-evaporable getter coating pipe The non-evaporable getter coating container and/or the non-evaporable getter coating pipe of this embodiment have a shape with a bent portion.
- the coated non-evaporable getter crystals have an average grain size of 2 nm to 100 nm.
- the average grain size of the crystals of the non-evaporable getter is defined by measuring the maximum diameter of 10 portions surrounded by dark boundaries, which are considered to be crystal grain boundaries, in a SEM image. It is the average value when Since the average grain size is 2 nm or more, it is possible to grow a film having a columnar structure suitable for the internal diffusion of surface adsorbed gas. Activation of the non-evaporable getter becomes possible.
- the lower limit of the average particle diameter may be 10 nm or more and 20 nm or more, and the upper limit may be 50 nm or less, particularly preferably 30 nm or less.
- the average particle size can be adjusted to a larger value by keeping the temperature of the vacuum pipe or vacuum vessel high or by lowering the pressure of the discharge gas in the manufacturing stage. It can be adjusted to be small by keeping the temperature low or increasing the discharge gas pressure.
- non-evaporable getter coating apparatus non-evaporable getter coating container and/or non-evaporable getter coating pipe manufacturing method, non-evaporable getter coating container and/or non-evaporable getter of the present invention.
- the embodiment of the coating pipe has been illustrated and described, the above embodiment can be modified as appropriate, and the present invention is not limited to the above exemplary embodiment.
- a non-evaporable getter coating device conforming to the ICF114 standard was produced by the following procedure.
- a disc-shaped stainless steel flange (dimensions: length (thickness) 17.5 mm, outer diameter 114 mm) conforming to the ICF114 standard was prepared.
- a cylindrical Ti--Zr--V alloy (dimensions: length 120 mm, inner diameter 20 mm, outer diameter 28 mm) was prepared as a sputtering target.
- a cylindrical Sm-Co magnet (dimensions: length 20.0 mm, outer diameter 13.5 mm) was prepared as a permanent magnet, and eight Sm-Co magnets were arranged in series with the direction of the magnetic field alternated.
- a permanent magnet column was produced.
- the permanent magnet poles were inserted into the internal space of the sputtering target and fixed to the flange by fitting them to the flange. At this time, these members were arranged so that the axis of the sputtering target, the axis of the permanent magnet, and the axis of the flange were aligned.
- Photoveil registered trademark
- Ventilation holes and grooves (labyrinth structure) were formed in the insulating member.
- a vent bolt was used for the fixed portion.
- a current terminal manufactured by Cosmotech, trade name C34SHR1 was connected to the sputtering target. Table 1 shows materials and dimensions.
- FIG. 5 is a photograph (perspective view) taken of the ICF114 standard non-evaporable getter coating apparatus of Example 1.
- FIG. 5 is a photograph (perspective view) taken of the ICF114 standard non-evaporable getter coating apparatus of Example 1.
- ICF114 standard stainless steel cross pipe (dimensions: length in one direction: 210 mm, length in another crossing direction: 210 mm, inner diameter: 60 mm, outer diameter: 64 mm) was prepared.
- the prepared non-evaporable getter coating apparatus of Example 1 was mounted in the opening from above (see FIG. 4).
- a monitor stainless steel sample (Top) (dimensions: thickness 0.15 mm, length 20 mm, width 170 mm) was placed on the fixed portion of the device.
- the second opening of the cross tube positioned at the bottom was used as an introduction port for Kr gas.
- the third opening of the cross tube located on the side was closed with an appropriate member, and a monitor stainless sample (Side) (dimensions: thickness 0.15 mm, length 20 mm, width 170 mm) was placed on the inner surface of this member. was placed.
- the fourth opening of the cross tube located on the side was closed with a member provided with a viewport.
- FIG. 4 shows the state of a test in which the non-evaporable getter coating apparatus of Example 1 of the present invention is attached to a cross tube and a non-evaporable getter material layer is formed on the inner surface of the cross tube by magnetron sputtering. It is a figure which shows typically about.
- Example 1 After 3 minutes from the start of current introduction, the surface of the sputtering target was observed from the potential viewport to see whether or not plasma emission was clearly occurring, which was periodically repeated at intervals corresponding to the length of the permanent magnet. As a reference, it was determined whether or not the magnetron sputtering conditions were satisfied. In Example 1, it was determined that the magnetron sputtering conditions were met.
- the magnetic flux density (Gauss) on the surface of the sputtering target the magnetic field distribution and maximum magnetic flux density were measured by scanning the target surface using a gauss meter.
- the sample was recovered 360 minutes after the start of current introduction, and whether or not a non-evaporable getter material layer was formed on the surface of the sample was determined by XRD measurement.
- Samples were taken at 360 minutes after the start of current introduction to determine the details of the non-evaporable getter coating.
- the coating thickness ( ⁇ m) was measured by cross-sectional SEM observation. Also, the film formation rate (nm/hour) was calculated by dividing the thickness of the coating by the time from the start of current introduction to the collection of the sample.
- the surface of the sample is photographed with an SEM device (manufactured by JEOL Ltd., trade name JSM-7200F), and in the SEM image, 10 arbitrarily selected portions surrounded by dark boundaries that are considered to be grain boundaries and are granular. did.
- the maximum diameter of each part was read from the image. The maximum diameter (nm) that was read was averaged for 10 particles and taken as the average particle diameter (nm) of the non-evaporable getter coating of the sample.
- Table 1 shows the conditions and results for each of the above tests.
- FIG. 6 shows a test in which the ICF114 standard non-evaporable getter coating apparatus of Example 1 is attached to an ICF114 standard cross tube, and a non-evaporable getter material layer is formed on the inner surface of the cross tube by magnetron sputtering. It is the photograph (perspective view) which image
- the part located in front is the part where the opening is closed by the member provided with the view port.
- FIG. 7 shows the non-evaporable getter coating apparatus of Example 1, which is mounted on the ICF114 standard cross tube, and a non-evaporable getter material layer is formed on the inner surface of the cross tube by the magnetron sputtering method under the conditions of Example 1. It is the photograph which image
- FIG. 8 shows the ICF114 standard non-evaporable getter coating apparatus of Example 1 attached to the ICF114 standard cross tube, and the non-evaporable getter material layer on the inner surface of the cross tube by the magnetron sputtering method under the conditions of Example 1. It is the photograph which image
- FIG. 9 shows the ICF114 standard non-evaporable getter coating apparatus of Example 1 attached to the ICF114 standard cross tube, and a non-evaporable getter material layer is formed on the inner surface of the cross tube by the magnetron sputtering method under the conditions of Example 1.
- 4 is a chart showing the results of XRD measurement of the inner surface of a non-evaporable getter-coated cloth tube obtained when a forming test was performed.
- FIG. 9(A) shows the result of XRD measurement for a monitor stainless sample (Top).
- FIG. 9(B) shows the result of XRD measurement for a monitor stainless steel sample (Side). As shown in FIG.
- Example 2 A non-evaporable getter coating device conforming to the ICF070 standard of Example 2 was produced in the same manner as in Example 1, except that the materials and dimensions shown in Table 1 were used. Observation was performed by applying an electric potential between the sputtering target and the cross tube in the same manner as in Example 1 except that the conditions shown in Table 1 were used. Table 1 shows the conditions and results for each of the above tests.
- Example 1 the magnetic field distribution in the vicinity of the target surface was particularly insufficient for plasma confinement, and a film formation process was observed in which the magnetron sputtering conditions were not established.
- Example 2 the magnetic field distribution in the vicinity of the surface of the target is particularly sufficient for plasma confinement, and a film formation process was observed in which the magnetron sputtering conditions essential for the use of this apparatus were established.
- Comparative Example 1 an apparatus with a suitable form factor was not constructed, and the magnetron sputtering conditions were not satisfied.
- a non-evaporable getter coating apparatus that can apply a non-evaporable getter coating to the inner surface of vacuum vessels and vacuum pipes of various shapes and standards. be able to.
- Possible non-evaporable getter coating vessels and/or non-evaporable getter coating pipes are used in electron microscopes, mass spectrometers, semiconductor manufacturing equipment (vacuum deposition, sputter deposition, molecular beam epitaxy, electron beam/EUV lithography, ion plantations, etc.).
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
発明者らは、磁場発生源をスパッタターゲットの外部に配置するのではなくスパッタターゲットの内部に組み込むという新たな技術的思想に基づいて、新たな非蒸発型ゲッタコーティング装置を開発することに想到した。
これまでに、スパッタターゲットとしてTi-Zr-V合金を用い、永久磁石としてSm-Co磁石を用いて、フランジマウント型の非蒸発型ゲッタコーティング装置を試作したことが報告されている(非特許文献2参照)。
本発明の非蒸発型ゲッタコーティング装置は、内部空間を有するスパッタターゲットと、前記スパッタターゲットの内部空間の範囲内に設けられた、複数個の永久磁石を磁界の向きを互い違いにして直列に配置されてなる永久磁石柱と、前記スパッタターゲットと前記永久磁石柱とが固定されているフランジとを含み、前記永久磁石の長さLMの前記永久磁石の外径EDMに対する割合(LM/EDM)が1.0~4.0であり、前記永久磁石の外径EDMの前記スパッタターゲットの外径EDNに対する割合(EDM/EDN)が0.3~0.8であることを特徴とする。
本発明の非蒸発型ゲッタコーティング装置では、前記スパッタターゲットの形状が円筒形状であり、前記永久磁石の形状が円柱形状であり、前記フランジの形状が円盤形状であることが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記スパッタターゲットの延在方向と前記永久磁石柱の延在方向とが、いずれも前記フランジの円盤の平面に垂直な方向であることが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記スパッタターゲットの材料がTi-Zr-V合金、Ti-Zr-V-Hf合金、純Ti、純Zr、純Pdからなる群から選ばれる少なくとも一つを含むことが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記永久磁石がSm-Co磁石、Nd-Fe-B磁石、Al-Ni-Co磁石、Pr-Co磁石、フェライト磁石からなる群から選ばれる少なくとも一つを含むことが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記フランジがICF規格品、NW規格品、ISO規格品、JIS規格品、各種メタルOリングシール品、各種メタルガスケットシール品からなる群から選ばれる少なくとも一つであることが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記永久磁石の長さLMが5mm~100mmであり、前記永久磁石の外径EDMが5mm~32mmであり、前記スパッタターゲットの外径EDNが16mm~80mmであることが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記スパッタターゲットと前記フランジとの固定部を覆うように設けられるシールドをさらに含むことが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記シールドの材料がポリイミド樹脂を含むことが好ましい。
本発明の非蒸発型ゲッタコーティング装置では、前記永久磁石柱をその延在方向に関して変位させる装置をさらに含むことが好ましい。
本発明の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法は、本発明の非蒸発型ゲッタコーティング装置を真空配管及び/又は真空容器に装着し、マグネトロンスパッタ法により前記真空容器及び/又は前記真空配管の内表面に非蒸発型ゲッタ材料層を形成させ、非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管を得ることを特徴とする。
本発明の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法では、前記マグネトロンスパッタ法における放電ガスをKr又はArとすることが好ましい。
本発明の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法では、前記放電ガスの圧力を0.05Pa~30Paとすることが好ましい。
本発明の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法では、前記マグネトロンスパッタ法におけるカソード電圧を-1000V~-300Vとすることが好ましい。
本発明の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法では、前記真空配管及び/又は前記真空容器の形状を屈曲部を有する形状とすることが好ましい。
本発明の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法では、前記真空容器及び/又は前記真空配管の内径を20mm~200mmとすることが好ましい。
本発明の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管は、屈曲部を有する形状であり、コーティングされた前記非蒸発型ゲッタの結晶の平均粒径が2nm~100nmであることを特徴とする。
なお、本願明細書において、数値範囲について「A~B」とは、A以上B以下を意味する。また、内径及び外径とは、いずれも直径を意味する。
本実施形態の非蒸発型ゲッタコーティング装置は、内部空間を有するスパッタターゲットと、スパッタターゲットの内部空間の範囲内に設けられた、複数個の永久磁石を磁界の向きを互い違いにして直列に配置されてなる永久磁石柱と、スパッタターゲットと永久磁石柱とが固定されているフランジとを含む。
これら部材は、絶縁性部材を介して又はボルト等を用いて、常法により固定されていてよい。
本実施形態では、同じ大きさの永久磁石を複数用いることが、周期的なプラズマを調整する観点から好ましい。
なお、本発明の非蒸発型ゲッタコーティング装置では、上記本実施形態における形状に限定されることはない。スパッタターゲットの形状は、好適には円筒形状であるが、内部空間を備える限り特に限定されず、円筒形状以外の筒形状(例えば、底面が方形の筒形状)、箱形状、容器形状等としてもよい。永久磁石の形状は、好適には円柱形状であるが、円柱形状以外の柱形状(例えば、底面が方形の柱形状)、その他形状としてもよい。フランジの形状は、好適には円盤形状であるが、底面が方形の板形状、その他形状としてもよい。
より具体的には、図1に示すように、円筒形状であるスパッタターゲットの軸方向と、円柱形状である永久磁石の軸方向とが、円盤形状であるフランジの円形の上面に垂直な方向となっている。そして、図1に示すように、スパッタターゲットの軸と、永久磁石の軸と、フランジの軸とが一致している。
なお、本発明の非蒸発型ゲッタコーティング装置では、上記本実施形態における配置関係に限定されることはない。スパッタターゲットの延在方向と永久磁石柱の延在方向とフランジの円盤の平面に垂直な方向とは、互いに角度をなして交差していてもよい。上記3つの方向のうちの任意の2つにおける交差角度は、特に限定されないが、本発明の効果が得られやすいように、0°超45°以下、0°超30°以下としてよい。
割合割合(LM/EDM)の下限を1.0以上とすることで、スパッタターゲット表面から離れた地点においてもマグネトロンスパッタ条件を満たす程度の磁束密度を分布させることができ、また、上限を4.0以下とすることで、スパッタターゲット表面近傍での磁束密度をマグネトロンスパッタ条件を満たす程度にまでに高めることができる。
割合(EDM/EDN)の下限を0.3以上とすることで、スパッタターゲット表面近傍での磁束密度をマグネトロンスパッタ条件を満たす程度にまで高めることができ、また、上限を0.8以下とすることで、スパッタターゲットの内部空間にマグネトロンスパッタ条件を満たす磁石柱を格納することができる。
本願出願時の当技術分野の技術常識からすれば、特許文献1や非特許文献1で用いられるような一様磁場においてはスパッタリングに適したプラズマ状態が得られるか否かは予測しやすいところ、本実施形態のように永久磁石柱を用いて形成される周期磁場においてスパッタリングに適したプラズマ状態が得られるか否かは予測困難である。特に、磁力線が三次元的に変化する領域でのミラー磁場によるプラズマ粒子の閉じ込め効果は形状因子にも依存するため、単純に永久磁石近傍の磁束密度の値に着目して検討するだけでは有効な予測を行うことが困難であった。
本実施形態では、非蒸発型ゲッタコーティング装置に関わる2種の形状因子、すなわち、永久磁石の長さLMの永久磁石の外径EDMに対する割合(LM/EDM)、及び永久磁石の外径EDMのスパッタターゲットの外径EDNに対する割合(EDM/EDN)を所定範囲とすることで、周期磁場においてマグネトロンスパッタ条件を成立させることに成功した。割合(LM/EDM)は、永久磁石からの距離に対する磁束密度の減衰率に相関を有し得る値であり、割合(EDM/EDN)は、スパッタターゲットの表面での磁束密度の大きさに相関を有し得る値である。
本実施形態では、本発明の効果をより得られやすくする観点から、上記割合(EDM/EDN)の下限は、0.35以上、0.4以上としてもよく、また、上限は、0.7以下、0.6以下としてもよい。
本実施形態では、永久磁石の外径EDMは、5mm~32mmとしてよく、下限は、8mm以上、12mm以上としてもよく、また、上限は、24mm以下、16mm以下としてもよい。
本実施形態では、スパッタターゲットの外径EDNは、16mm~80mmとしてよく、下限は、20mm以上、24mm以上としてもよく、また、上限は、60mm以下、40mm以下としてもよい。
成膜中にスパッタされたスパッタターゲットが固定部の表面に堆積していくと、固定部の絶縁性が悪化し、放電の安定性も低下する。シールドを用いることで、かかる悪化や低下を防止ないし抑制して、固定部ひいては装置全体の寿命を延ばすことができる。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
本実施形態の非蒸発型ゲッタコーティング装置では、永久磁石柱の延在方向に沿って周期的にプラズマが発生することから、スパッタターゲットがその延在方向に関して周期的に消費されるところ、上記装置を用いて永久磁石柱に対するスパッタターゲットのその延在方向に関する位置関係を変更することによって、スパッタターゲットの消費をその延在方向に関して平均化することができる。
なお、本発明の非蒸発型ゲッタコーティング装置では、図3(B)に示す装置に限定されることはなく、永久磁石柱をその延在方向に関して変位させる装置としてよく、好適には周期的な上下変位を可能にする装置としてよい。上下変位の距離DDは、特に限定さいれないが、同じ大きさの永久磁石を複数用いた場合には、永久磁石の長さLMと同じであることが、上記消費の均一化の観点から好ましい。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
本実施形態の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法は、本実施形態の非蒸発型ゲッタコーティング装置を真空配管及び/又は真空容器に装着し、マグネトロンスパッタ法により前記真空容器及び/又は前記真空配管の内表面に非蒸発型ゲッタ材料層を形成させ、非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管を得るというものである。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
より具体的には、図4に示す真空配管の形状は、外観に関して、流れ方向に関して屈曲した部分である屈曲部を有する形状であり、内部空間に関しても、外観に合わせて、流れ方向に関して屈曲した部分である屈曲部を有する形状である。
かかる屈曲部を有する形状の真空配管や真空容器を用いることによって、本実施形態の非蒸発型ゲッタコーティング装置の特徴を有利に発揮することが可能になる。
なお、本発明の方法では、使用する真空容器及び/又は真空配管の形状は、特に限定されることはない。
屈曲部を有する形状の真空容器の好適例としては、多岐管、(電子顕微鏡・粒子加速器・分析装置・半導体製造装置等の)真空装置に組み込まれている分岐管等が挙げられる。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
これらは、1種単独で用いてもよく、2種以上組み合わせて用いてもよい。
本実施形態の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管は、屈曲部を有する形状である。
なお、非蒸発型ゲッタの結晶の平均粒径とは、SEMで撮影した画像において、結晶粒界と見られる暗い境界に囲まれて粒状となっている部分の最大径を10個の部分について測定したときの平均値をいう。
かかる平均粒径が2nm以上であるために、表面吸着ガスの内部拡散に適した柱状構造をもつ膜成長が可能となり、100nm以下であるために、比較的低い温度(例えば、180℃)での非蒸発型ゲッタの活性化が可能となる。
上記平均粒径の下限は、10nm以上、20nm以上としてもよく、また、上限は、50nm以下としてもよく、30nm以下が特に好ましい。
また、上記平均粒径は、製造段階で真空配管や真空容器の温度を高く保つことや放電ガス圧力を低くすることによってより大きく調整ことが可能であり、また、製造段階で真空配管や真空容器の温度を低く保つことや放電ガス圧力を高くすることによって小さく調整することが可能である。
下記の手順により、ICF114規格の非蒸発型ゲッタコーティング装置を作製した。
ICF114規格の円盤形状のステンレス製フランジ(寸法:長さ(厚さ)17.5mm、外径114mm)を用意した。
スパッタターゲットとして、円筒形状のTi-Zr-V合金(寸法:長さ120mm、内径20mm、外径28mm)を用意した。
永久磁石として、円柱形状のSm-Co磁石(寸法:長さ20.0mm、外径13.5mm)を用意し、8個のSm-Co磁石を磁界の向きを互い違いにして直列に配置して永久磁石柱を作製した。
スパッタターゲットの内部空間に永久磁石柱を挿入し、これらをフランジに嵌合させることでフランジに固定した。このとき、スパッタターゲットの軸と、永久磁石の軸と、フランジの軸とが一致するように、これらの部材を配置した。なお、固定部には、絶縁性部材として、ホトベール(登録商標)を用いた。絶縁性部材には、気抜き孔や溝(ラビリンス構造)を施した。また、固定部には、気抜きボルトを用いた。
電流端子(コスモテック社製、商品名C34SHR1)をスパッタターゲットに接続した。
材料及び寸法等を表1に示す。
クロス管の1つ目の開口部に、上方から下方に向けて、作製した実施例1の非蒸発型ゲッタコーティング装置を装着した(図4参照)。また、装置の固定部上にモニター用ステンレス試料(Top)(寸法:厚さ0.15mm、縦20mm、横170mm)を配置した。
下部に位置するクロス管の2つ目の開口部をKrガスの導入口とした。
側部に位置するクロス管の3つ目の開口部を適宜の部材で封鎖し、この部材の内表面にモニター用ステンレス試料(Side)(寸法:厚さ0.15mm、縦20mm、横170mm)を配置した。
側部に位置するクロス管の4つ目の開口部をビューポートを設けた部材で封鎖した。
実施例1では、マグネトロンスパッタ条件が成立したと判断した。
測定条件は下記のとおりとした。
XRD測定装置として、Rigaku社製、商品名MultiFlex)を用いた。
試料ホルダーに試料(Top)及び試料(Side)を固定した。
試験陽極は試料ホルダーの中央位置に配置した。
2θ=30°~50°の範囲を0.02°ステップに分け、1ステップ0.4秒で測定した。
X線は、CuのKα1線を使用した。
X線源の電圧48kV、電流40mAであった。
発散スリットは1°を使用した。
検出器として、シンチレーションカウンターを用いた。
コーティングの厚さ(μm)を断面SEM観察により測定した。
また、コーティングの厚さを電流導入開始から試料を回収するまでの時間で除して、成膜速度(nm/時)を算出した。
試料の表面をSEM装置(日本電子社製、商品名JSM-7200F)で撮影し、SEM画像において、結晶粒界と見られる暗い境界に囲まれて粒状となっている部分を任意に10個選択した。各部分についてその最大径を画像から読み取った。読み取った最大径(nm)を10個について平均して、試料の非蒸発型ゲッタコーティングの平均粒径(nm)とした。
なお、図6において、手前に位置するのがビューポートを設けた部材で開口部を封鎖した部分である。
実施例1の非蒸発型ゲッタコーティング装置を用いた場合、周期的なプラズマ発光が観察された。
実施例1の非蒸発型ゲッタコーティング装置を用いた場合、粒径30nm以下の結晶が多数観察された。
図9に示すとおり、試料(Top)及び試料(Side)のいずれにおいても、Ti-Zr-V合金に対応する2θ=31°~43°のピークが観察され、マグネトロンスパッタにより、屈曲した形状を有するクロス管の内表面の異なる位置に非蒸発型ゲッタコーティングを施すことができることが示された。
表1に示す材料及び寸法等とした以外は実施例1と同様の操作により、実施例2のICF070規格の非蒸発型ゲッタコーティング装置を作製した。
表1に示す条件とした以外は実施例1と同様の操作により、スパッタターゲットとクロス管との間に電位を与えて、観察を行った。
上述の各試験についての条件及び結果を表1に示す。
実施例2では、特に、ターゲット表面近傍での磁場分布がプラズマの閉じ込めに対して十分であり、本装置の利用に不可欠なマグネトロンスパッタ条件の成立した成膜プロセスが見られた。
比較例1では、好適な形状因子を備える装置が構成されておらず、マグネトロンスパッタ条件は成立しなかった。
本発明の非蒸発型ゲッタコーティング装置、本発明の非蒸発型ゲッタコーティング装置を用いた、非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法、かかる製造方法により製造することが可能な非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管は、電子顕微鏡、質量分析計、半導体製造装置(真空蒸着、スパッタ成膜、分子線エピタキシー、電子線/EUVリソグラフィ、イオンプランテーション等の利用を含む。)、電子デバイス(フラットパネルディスプレイ、画像素子、太陽光パネル等)製造装置、真空封止型MEMS(加速度センサー、ジャイロスコープ等)、X線発生装置、PET診断装置、陽子線治療システム、光学機器コーティング装置、真空断熱容器(魔法瓶、デュワー瓶等)等において有用であり、産業上の利用可能性を有する。
Claims (17)
- 内部空間を有するスパッタターゲットと、前記スパッタターゲットの内部空間の範囲内に設けられた、複数個の永久磁石を磁界の向きを互い違いにして直列に配置されてなる永久磁石柱と、前記スパッタターゲットと前記永久磁石柱とが固定されているフランジとを含み、
前記永久磁石の長さLMの前記永久磁石の外径EDMに対する割合(LM/EDM)が1.0~4.0であり、
前記永久磁石の外径EDMの前記スパッタターゲットの外径EDNに対する割合(EDM/EDN)が0.3~0.8である、
ことを特徴とする、非蒸発型ゲッタコーティング装置。 - 前記スパッタターゲットの形状が円筒形状であり、
前記永久磁石の形状が円柱形状であり、
前記フランジの形状が円盤形状である、
請求項1に記載の非蒸発型ゲッタコーティング装置。 - 前記スパッタターゲットの延在方向と前記永久磁石柱の延在方向とが、いずれも前記フランジの円盤の平面に垂直な方向である、請求項1又は2に記載の非蒸発型ゲッタコーティング装置。
- 前記スパッタターゲットの材料がTi-Zr-V合金、Ti-Zr-V-Hf合金、純Ti、純Zr、純Pdからなる群から選ばれる少なくとも一つを含む、請求項1~3のいずれか一項に記載の非蒸発型ゲッタコーティング装置。
- 前記永久磁石がSm-Co磁石、Nd-Fe-B磁石、Al-Ni-Co磁石、Pr-Co磁石、フェライト磁石からなる群から選ばれる少なくとも一つを含む、請求項1~4のいずれか一項に記載の非蒸発型ゲッタコーティング装置。
- 前記フランジがICF規格品、NW規格品、ISO規格品、JIS規格品、各種メタルOリングシール品、各種メタルガスケットシール品からなる群から選ばれる少なくとも一つである、請求項1~5のいずれか一項に記載の非蒸発型ゲッタコーティング装置。
- 前記永久磁石の長さLMが5mm~100mmであり、
前記永久磁石の外径EDMが5mm~32mmであり、
前記スパッタターゲットの外径EDNが16mm~80mmである、
請求項1~6のいずれか一項に記載の非蒸発型ゲッタコーティング装置。 - 前記スパッタターゲットと前記フランジとの固定部を覆うように設けられるシールドをさらに含む、請求項1~7のいずれか一項に記載の非蒸発型ゲッタコーティング装置。
- 前記シールドの材料がポリイミド樹脂を含む、請求項8に記載の非蒸発型ゲッタコーティング装置。
- 前記永久磁石柱をその延在方向に関して変位させる装置をさらに含む、請求項1~9のいずれか一項に記載の非蒸発型ゲッタコーティング装置。
- 請求項1~10に記載の非蒸発型ゲッタコーティング装置を真空配管及び/又は真空容器に装着し、マグネトロンスパッタ法により前記真空容器及び/又は前記真空配管の内表面に非蒸発型ゲッタ材料層を形成させ、非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管を得ることを特徴とする、非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法。
- 前記マグネトロンスパッタ法における放電ガスをKr又はArとする、請求項11に記載の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法。
- 前記放電ガスの圧力を0.05Pa~30Paとする、請求項11又は12に記載の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法。
- 前記マグネトロンスパッタ法におけるカソード電圧を-1000V~-300Vとする、請求項11~13のいずれか一項に記載の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法。
- 前記真空配管及び/又は前記真空容器の形状を屈曲部を有する形状とする、請求項11~14のいずれか一項に記載の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法。
- 前記真空容器及び/又は前記真空配管の内径を20mm~200mmとする、請求項11~15のいずれか一項に記載の非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管の製造方法。
- 屈曲部を有する形状であり、
コーティングされた前記非蒸発型ゲッタの結晶の平均粒径が2nm~100nmである、
ことを特徴とする、非蒸発型ゲッタコーティング容器及び/又は非蒸発型ゲッタコーティング配管。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280030877.8A CN117203365A (zh) | 2021-05-20 | 2022-05-17 | 非蒸散型吸气剂涂覆装置、非蒸散型吸气剂涂覆容器·管道的制造方法、非蒸散型吸气剂涂覆容器·管道 |
EP22804699.1A EP4343018A1 (en) | 2021-05-20 | 2022-05-17 | Non-evaporable-getter coating device, method for manufacturing non-evaporable-getter-coated container/pipe, and non-evaporable-getter-coated container/pipe |
KR1020237036396A KR20240011127A (ko) | 2021-05-20 | 2022-05-17 | 비증발형 게터 코팅 장치, 비증발형 게터 코팅 용기·배관의 제조 방법, 비증발형 게터 코팅 용기·배관 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021085612A JP2022178656A (ja) | 2021-05-20 | 2021-05-20 | 非蒸発型ゲッタコーティング装置、非蒸発型ゲッタコーティング容器・配管の製造方法、非蒸発型ゲッタコーティング容器・配管 |
JP2021-085612 | 2021-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022244788A1 true WO2022244788A1 (ja) | 2022-11-24 |
Family
ID=84141421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/020595 WO2022244788A1 (ja) | 2021-05-20 | 2022-05-17 | 非蒸発型ゲッタコーティング装置、非蒸発型ゲッタコーティング容器・配管の製造方法、非蒸発型ゲッタコーティング容器・配管 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4343018A1 (ja) |
JP (1) | JP2022178656A (ja) |
KR (1) | KR20240011127A (ja) |
CN (1) | CN117203365A (ja) |
WO (1) | WO2022244788A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5569256A (en) * | 1978-11-14 | 1980-05-24 | Anelva Corp | Sputtering unit |
JPS5947654U (ja) * | 1976-07-07 | 1984-03-29 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | スパツタリング装置 |
JPS59197566A (ja) * | 1983-04-21 | 1984-11-09 | Seiko Instr & Electronics Ltd | 超高真空装置用真空容器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2750248B1 (fr) | 1996-06-19 | 1998-08-28 | Org Europeene De Rech | Dispositif de pompage par getter non evaporable et procede de mise en oeuvre de ce getter |
-
2021
- 2021-05-20 JP JP2021085612A patent/JP2022178656A/ja active Pending
-
2022
- 2022-05-17 EP EP22804699.1A patent/EP4343018A1/en active Pending
- 2022-05-17 CN CN202280030877.8A patent/CN117203365A/zh active Pending
- 2022-05-17 KR KR1020237036396A patent/KR20240011127A/ko unknown
- 2022-05-17 WO PCT/JP2022/020595 patent/WO2022244788A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5947654U (ja) * | 1976-07-07 | 1984-03-29 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | スパツタリング装置 |
JPS5569256A (en) * | 1978-11-14 | 1980-05-24 | Anelva Corp | Sputtering unit |
JPS59197566A (ja) * | 1983-04-21 | 1984-11-09 | Seiko Instr & Electronics Ltd | 超高真空装置用真空容器 |
Non-Patent Citations (3)
Title |
---|
2019 ACADEMIC LECTURE PROCEEDINGS OF THE JAPAN SOCIETY OF VACUUM AND SURFACE SCIENCE, 29 October 2019 (2019-10-29) |
TANIMOTO YASUNORI, HONDA TOHRU, JIN XIUGUANG, NOGAMI TAKASHI, TAKAI RYOTA, YAMAMOTO MASAHIRO: "Vacuum Performance of the NEG-coated Chamber for U#19 at PF-ring", PROC. 10TH INT. PARTICLE ACCELERATOR CONF. (IPAC2019), JACOW PUBLISHING, GENEVA, SWITZERLAND, 1 January 2019 (2019-01-01), pages 1276 - 1279, XP093007246, DOI: 10.18429/jacow-ipac2019-tupmp019 * |
THIN SOLID FILMS, vol. 515, 2006, pages 382 - 388 |
Also Published As
Publication number | Publication date |
---|---|
JP2022178656A (ja) | 2022-12-02 |
KR20240011127A (ko) | 2024-01-25 |
CN117203365A (zh) | 2023-12-08 |
EP4343018A1 (en) | 2024-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Oura et al. | Surface science: an introduction | |
US8263943B2 (en) | Ion beam device | |
JP5372239B2 (ja) | ゲッターポンプ及びイオンポンプを含む複合型ポンプシステム | |
AU746645B2 (en) | Method and apparatus for deposition of biaxially textured coatings | |
TW448706B (en) | Electromagnetic field generator and method of operation | |
EP3163599B1 (en) | Laminated ultra-high vacuum forming device | |
Kleibert et al. | Structure, morphology, and magnetic properties of Fe nanoparticles deposited onto single-crystalline surfaces | |
KR20100080934A (ko) | 스퍼터링 장치 및 스퍼터링 성막 방법 | |
WO2022244788A1 (ja) | 非蒸発型ゲッタコーティング装置、非蒸発型ゲッタコーティング容器・配管の製造方法、非蒸発型ゲッタコーティング容器・配管 | |
JP3471200B2 (ja) | スパッタリング装置のターゲット構造 | |
Lau et al. | Ultrahigh vacuum cluster deposition source for spectroscopy with synchrotron radiation | |
Rane et al. | Comparative study of discharge characteristics and associated film growth for post-cathode and inverted cylindrical magnetron sputtering | |
Pinto et al. | Thin film coatings for suppressing electron multipacting in particle accelerators | |
JP6962528B2 (ja) | マグネトロンスパッタリングカソードおよびそれを用いたマグネトロンスパッタリング装置 | |
Hansson et al. | Experiences from nonevaporable getter-coated vacuum chambers at the MAX II synchrotron light source | |
JP2006265681A (ja) | 多層膜の製造方法及び多層膜 | |
JP6185434B2 (ja) | ガス電界イオンビームシステムの作動方法 | |
Malyshev | Non-evaporable getter (NEG)-coated vacuum chamber | |
Ensinger et al. | Coating the inner walls of metal tubes with carbon films by physical vapor deposition at low temperature | |
JP2019091576A (ja) | 真空作成装置 | |
Mura et al. | Use of getter-catalyst thin films for enhancing ion pump vacuum performances | |
Lanza et al. | New magnetron configurations for sputtered Nb onto Cu | |
EP3605583B1 (en) | Device for the stable manufacture of nanoclusters | |
Sirvinskaite | Non-Evaporable Getter coating optimisation for future particle accelerators | |
Hayes et al. | Ion source for ion beam deposition employing a novel electrode assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22804699 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280030877.8 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022804699 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022804699 Country of ref document: EP Effective date: 20231220 |