WO2017007138A1 - 이온주입기용 리펠러, 캐소드, 챔버 월, 슬릿 부재 및 이를 포함하는 이온발생장치 - Google Patents
이온주입기용 리펠러, 캐소드, 챔버 월, 슬릿 부재 및 이를 포함하는 이온발생장치 Download PDFInfo
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- WO2017007138A1 WO2017007138A1 PCT/KR2016/006190 KR2016006190W WO2017007138A1 WO 2017007138 A1 WO2017007138 A1 WO 2017007138A1 KR 2016006190 W KR2016006190 W KR 2016006190W WO 2017007138 A1 WO2017007138 A1 WO 2017007138A1
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- layer
- crystal structure
- refractory metal
- semicarbide
- ion
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Images
Classifications
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- 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
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/147—Arrangements for directing or deflecting the discharge along a desired path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J27/00—Ion beam tubes
- H01J27/02—Ion sources; Ion guns
- H01J27/022—Details
-
- 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
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/08—Ion sources; Ion guns
-
- 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
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/09—Diaphragms; Shields associated with electron or ion-optical arrangements; Compensation of disturbing fields
-
- 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
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/317—Electron-beam or ion-beam tubes for localised treatment of objects for changing properties of the objects or for applying thin layers thereon, e.g. for ion implantation
- H01J37/3171—Electron-beam or ion-beam tubes for localised treatment of objects for changing properties of the objects or for applying thin layers thereon, e.g. for ion implantation for ion implantation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
- H01J5/10—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings on internal surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/02—Details
- H01J2237/022—Avoiding or removing foreign or contaminating particles, debris or deposits on sample or tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/06—Sources
- H01J2237/08—Ion sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
Definitions
- the present invention relates to an ion implanter repeller, a cathode, a chamber wall, a slit member, and an ion generator including the same, and more particularly, to constitute an arc chamber of an ion implantation ion generator used in the manufacture of a semiconductor device.
- the manufacturing process of a semiconductor device is largely comprised of a deposition process and an ion implantation process.
- the deposition process is a process of forming a conductive film or an insulating film of a semiconductor device, and sputtering, chemical vapor deposition, etc. are used
- the photo process is a process of patterning the photosensitive resin with a photomask having a predetermined pattern as a preliminary step of the etching process.
- the etching process is a process of patterning a lower conductive film or insulating film by using the photosensitive resin pattern.
- the ion implantation process is a process for controlling the operation characteristics of an electronic device formed on a silicon wafer.
- a process of doping impurities into a film by using thermal diffusion has been used, but recently, ions having a constant energy are introduced into the film.
- the ion implantation method which penetrates and dopes an impurity is mainly used.
- the impurity doping process using the ion implantation method has an advantage that it is easier to control the concentration of the impurity and to control or limit the depth of the doping as compared with the thermal diffusion process.
- An ion implanter is used as an ion implanter, which includes an ion generator for generating ions to dope impurities and an ion analyzer for controlling the type and energy of ions generated.
- the ion generating device emits hot electrons by heating the filament, and generates ions by colliding the released hot electrons with the injected ion source gas while accelerating by the electric field.
- the method of emitting hot electrons is a method of heating the tungsten filament directly to emit hot electrons, and the method of accelerating the hot electrons emitted from the tungsten filament to the cathode to emit electrons from the cathode secondary again. Since the deterioration of the filament material can be prevented, the replacement cycle of the part can be improved.
- a gas that is a source of ions is injected, and the ion source gas is decomposed while colliding with electrons emitted from the cathode.
- the base material of the components constituting the arc chamber is Mo (molybdenum), W (tungsten), Ta (tantalum), Re (rhenium), Nb (niobium) Refractory metal is used.
- Mo molecular metal
- W tungsten
- Ta tantalum
- Re rhenium
- Nb (niobium) Refractory metal is used.
- the weight of the chamber itself is heavy, which causes deformation due to heat along with the load.
- the ion generating position is shifted and the arc chamber itself is twisted, thus precise ion implantation process. This can be difficult.
- US Patent Publication No. 2011-0139613 is a prior art document that uses tungsten, a kind of refractory metal, as a repeller for ion implanters.
- the above-mentioned prior art discloses the use of tungsten, carbon, etc. as the electrode body of the repeller, but provides structural improvement such as miniaturization of the repeller, but is not related to material improvement.
- Korean Patent No. 10-0553716 is a prior document for manufacturing the front plate of the ion implanter with tungsten. Since the prior art document causes the maintenance cost of the equipment to be increased during frequent replacement of the front plate to obtain a good beam uniformity, it is possible to solve this problem and to obtain a good beam uniformity.
- the chamber body using the metal base material is very disadvantageous in dissipating heat as the inner temperature of the chamber body rises above 900 ° C.
- the ion beam is emitted through the slit. Due to the difference in thermal expansion coefficient of carbon material and refractory metal material, the ion emission position is changed due to heat deformation along with the load when used in high temperature process. Not only does the precise ion implantation process not be possible due to the entire distortion, but also peeling occurs at the interface between the carbon layer and the refractory metal coating layer, resulting in foreign particles, and thus there is a risk of defects in semiconductor production, and the durability of semiconductor equipment may be reduced. have.
- the first problem to be solved by the present invention is to provide thermal deformation stabilization, wear protection, deposit separation resistance, etc. even if the ion implanter is used for a long time without parts replacement It is to provide a repeller, a cathode, a chamber wall and a slit member for an ion implanter.
- the second problem to be solved by the present invention is to provide an ion generating device comprising a repeller, a cathode, a chamber wall and a slit member for the ion implanter.
- the present invention is installed inside the arc chamber of the ion generator for the ion implanter, and extends from the reflector and the reflector provided opposite the cathode of the ion generator, and a predetermined voltage is
- a repeller comprising an applied terminal portion, wherein the reflecting portion has a refractory metal material as a base material to form a part shape, and has a coating structure including a semi-carbide layer on at least one surface to be the inner surface of the base material Provide a repeller for the injector.
- the cathode side portion is installed in the arc chamber of the ion generator for the ion implanter, fixed to one side of the arc chamber and the filament is installed therein, and the An electron-emitting cathode comprising a cathode front portion having a surface exposed in an arc chamber and emitting electrons, the cathode having a refractory metal material as a base material forming a part shape, and having at least one surface to be an inner surface of the base material. It is possible to provide an electron-emitting cathode for an ion implanter, which has a coating structure including a semi-carbide layer.
- the present invention is a chamber wall which is installed inside the arc chamber for constituting the ion generating space of the ion generating device for the ion implanter in order to achieve the first object, one surface of the chamber wall constituting the slope of the arc chamber
- the above wall may have a refractory metal material as a base material for forming a part shape, and may provide a chamber wall for an ion implanter, having a coating structure including a semicarbide layer on at least one surface that is an inner surface of the base material.
- the present invention is a slit member having a slit for emitting an ion beam from the ion generator for the ion implanter, in order to achieve the first object, the slit portion in which the slit is formed is a fire-resistant as a base material to form the part shape It is possible to provide a slit member for an ion implanter, which has a metal material and has a coating structure including a semicarbide layer on at least one surface that becomes an inner surface of the base material.
- the semicarbide coating layer includes a carbide structure of a refractory metal in which a monocarbide continuous or discontinuous layer of the refractory metal is layered on a semicarbide continuous or discontinuous layer of the refractory metal. It may be to include.
- the semicarbide-containing coating structure includes an epsilon phase ( ⁇ -Fe 2 N type) crystal structure and a beta phase (PbO 2 type, Mo 2 C type or C 6 type) crystal structure, or the like.
- the continuous or discontinuous layer having a hexagonal phase crystal structure on the continuous or discontinuous layer having at least one crystal structure selected from the group consisting of may include a carbide structure of refractory metal constituting a continuous or discontinuous layered. .
- X is the weight ratio Wm / Ws of the content Wm of the crystal structure constituting the semicarbide layer of the refractory metal and the content Ws of the crystal structure constituting the monocarbide layer of the refractory metal.
- X may be 5 or less (where Wm and Ws are values obtained by polyphase analysis by EBSD (Electron Back-Scattered Diffraction) method).
- the content Ww of the base material, the content Wm of the crystal structure constituting the semi-carbide layer of the refractory metal as the coating structure containing the semi-carbide layer, and the refractory metal monocarbide layer Content ratio of the crystal structure Ws Ww: Wm: Ws is 90 to 95: 0.8 to 4: 9.2 to 1 (where Ww, Wm and Ws are obtained by polyphase analysis by EBSD (Electron Back-Scattered Diffraction) method. Value).
- the semicarbide-containing coating layer may have a minimum layer thickness of 2 ⁇ m or more and a maximum layer thickness of 300 ⁇ m or less.
- the terminal portion may have a refractory metal material as a base material forming a part shape, and have a coating structure including a semicarbide layer on at least one surface of the base material.
- the present invention provides an ion generator comprising the repeller for the ion implanter, in order to achieve the second object.
- a coating structure including a semi-semiconductor layer it enables precise ion implantation process without changing ion generation position or equipment, and evenly reflects electrons into the arc chamber, thereby increasing the uniformity of plasma and increasing the uniformity of ion source gas. It not only improves the decomposition efficiency but also significantly improves the service life compared to the existing parts.
- FIG. 1 shows the structure of an ion generator for an ion implanter.
- Figure 2 shows the structure of the repeller for the ion implanter.
- FIG 3 shows the structure of the electron-emitting cathode for the ion implanter.
- FIG 5 illustrates the structure of the slit member for the ion implanter.
- FIG. 6 is a coating structure including a semi-carbide layer on the surface of the tungsten material base material according to an embodiment of the present invention, the surface analysis according to EBSD (Electron BackScattered Diffraction) having a monocarbide layer layered on the semi-carbide layer
- EBSD Electro BackScattered Diffraction
- FIG. 7 is a coating structure including a semi-carbide layer on the surface of the tungsten material base material according to an embodiment of the present invention, XRD showing that the monocarbide layer has a layered structure on the semi-carbide layer in the XRD transmission depth region ( ⁇ 3 ⁇ m) It is a diffraction graph.
- the present invention relates to thermal deformation stabilization, wear protection, or deposit stripping resistance for components such as repellers, cathodes, chamber walls, or slit members that constitute the arc chamber of ion implantation ion generators used in the manufacture of semiconductor devices.
- a coating structure including a semi-semiconductor layer it enables precise ion implantation process without changing ion generation position or equipment, and evenly reflects electrons into the arc chamber, thereby increasing the uniformity of plasma and increasing the uniformity of ion source gas.
- the present invention relates to an ion implanter component and an ion generator including the same, which not only improve the decomposition efficiency but also significantly improve the service life of existing components.
- the ion generating apparatus 100 includes an arc chamber 104 forming a predetermined space, a cathode 102 installed on one side of the arc chamber, a filament 101 installed in an inner space of the cathode, and the And a repeller 103 installed opposite the cathode.
- the filament 101 may be made of a metal having a high melting point, such as tungsten, and functions to emit hot electrons to the outside while being heated to a predetermined temperature when a current flows from a power source connected to the outside.
- the cathode 102 is installed spaced apart from the filament 101 by a predetermined distance.
- the cathode is connected to the cathode of an external power source, and hot electrons emitted from the filament collide with the cathode by an electric field formed between the filament and the cathode. Electrons are emitted again from the surface.
- the arc chamber 104 forms a predetermined space in a direction in which electrons are emitted from the cathode, and a gas injection unit 105 is formed to inject gas and carrier gas used for doping impurities in one direction, and in the other direction.
- Slit member 106 is formed as an ion emitting portion through which gas and ions are discharged.
- the power supply is connected to the arc chamber 104 to accelerate the electrons emitted from the cathode 102.
- a repeller 103 is installed at one side of the arc chamber opposite to the cathode 102.
- the repeller functions to distribute ions in a limited space while pushing out electrons emitted and accelerated from the cathode, and the bias is applied. Or may remain floating.
- Magnets 110a and 110b may be installed around the arc chamber 104.
- the magnet may be an electromagnet, and electrons that are accelerated and moved along an electric field formed inside the arc chamber 104 may rotate by a magnetic field. Make sure The rotational motion of the electrons increases the probability of collision between electrons and gas particles, thereby increasing ionization efficiency.
- the slit member 106 as an ion emitting unit is provided with an analyzer for accelerating ions using an electric field and filtering ions having a specific type and specific energy.
- the slit member 106 may be provided on the upper surface of the ion chamber 104 or on the lower surface of the ion chamber 104 as the ion emitting unit, and may be provided with a gas injection unit facing the ion emitting unit 106. 105 may be provided.
- the ion implanter repeller 103 includes a reflector 103a and a terminal 103b.
- the reflector 103a is provided to face the cathode and may be formed in a plate shape (eg, a disc) having a predetermined area and thickness.
- the terminal part 103b is electrically connected to the reflecting part and serves as a terminal to which a predetermined voltage can be applied, and serves as a fixing part for fixing the repeller 103 inside the arc chamber 104.
- the ion implanter repeller 103 of the present invention is installed inside the arc chamber 104 of the ion generator ion generator, and is provided with a reflector 103a facing the cathode 102 of the ion generator and the A repeller 103 including a terminal portion 103b extending from the reflecting portion 103a and to which a predetermined voltage is applied, wherein the reflecting portion 103a is a base material for forming a component shape and is formed of Mo (molybdenum) and W (tungsten).
- refractory metal material such as Ta (tantalum), Re (rhenium), and Nb (niobium)
- a coating structure including a semicarbide layer on at least one surface that becomes an inner surface of the base material. do.
- the cathode 102 consists of a cathode side portion 102a providing an interior space in which the filament 101 can be installed and a cathode front portion 102b providing a surface for emitting electrons.
- the cathode side portion 102a may be formed in a tubular shape having a predetermined length, and a cathode inner space 102d is formed therein, and a fastening portion 102c is formed.
- the cathode front portion 102b may have a recessed surface, and may include a cathode front edge 102b, a cathode recessed inclination portion (not shown), and a cathode recessed flat portion (not shown).
- the cathode front edge portion 102b is formed in the outer region of the cathode front portion, and provides a flat surface in the arc chamber direction with a predetermined width at the boundary of the outer region, and protrudes in the arc chamber direction relative to the recessed region. It is.
- the cathode front edge 102b has a flat surface to prevent electron emission from concentrating on a portion.
- the cathode outermost structure is not formed. It is formed at an acute angle so that the emission of electrons may be concentrated on only the edge portion.
- the cathode recessed inclined portion forms an inclined direction toward the center of the cathode front portion.
- the inclined surface can increase the area of the cathode surface from which the electrons are emitted, and the electrons emitted from the inclined surface are formed in the direction of the center of the cathode. The electrons are accelerated to a high density region.
- the cathode recessed inclination portion is preferably formed to be concave in the direction of the arc chamber, and in such a structure, it is possible to maximize the effect of the movement of the electrons in the direction of high density of the doping gas by controlling the emission position of the electrons.
- the cathode recessed flat portion is formed at the center of the cathode front portion and has a flat surface. The ionization efficiency can be improved by adjusting the ratio of the width of the cathode recessed slope to the radius of the cathode recessed flat portion.
- the radius ratio of the cathode recessed flat portion and the width of the cathode recessed slope may be in the range of 1: 0.5 to 1: 1.5, for example. Within this range, the effect of electron emission direction control by the inclined portion and the ionization efficiency can be improved.
- the depression depth of the cathode recessed flat portion may be in the range of 0.5 to 1.5 times the radius of the cathode recessed flat portion, and the cathode area increase effect and the ionization efficiency may be improved within the range.
- the cathode 102 of the present invention is installed in the arc chamber 104 of the ion generator for the ion implanter, the cathode having a space fixed to one side of the arc chamber 104 and the filament 101 is installed therein
- An electron-emitting cathode comprising a side portion and a cathode front portion having a surface exposed in the arc chamber direction and emitting electrons, the cathode having a refractory metal material as a base material forming a part shape, and being an inner surface of the base material.
- an electron-emitting cathode for an ion implanter characterized in that it has a coating structure comprising a semi-carbide layer on at least one surface.
- the arc chamber 104 is formed with a chamber wall 104a constituting four surfaces, a gas injection unit 105, and a slit member 106 as an ion discharge unit, and is doped injected into the gas injection unit.
- the gas and the carrier gas are partially ionized and discharged to the ion emitter 106.
- the pressure difference of the gas is generated in the arc chamber 104, the density of the gas (pressure of the gas) is increased in the region close to the gas injection portion 105. Therefore, the ionization probability becomes high when the amount of electrons accelerated to a region of high gas density is high.
- the chamber wall 104a of the present invention is a chamber wall installed inside the arc chamber for constituting the ion generating space of the ion generator for the ion implanter, and at least one wall of the chamber walls constituting the slope of the arc chamber has a part shape. It has a refractory metal material as a base material to form a, characterized in that it has a coating structure including a semi-carbide layer on at least one surface to be the inner surface of the base material.
- Figure 5 shows the structure of the slit member for the ion implanter.
- the slit member 106 for the ion implanter has a slit portion 106b in which a slit 106a is formed, and an insertion hole (not shown) to which the slit 106b is coupled.
- the frame 106c is formed in the slit portion 106b and the frame 106c may be connected to each other by the connecting member 106d.
- the connection member 106d may be a screw type, and a plurality of screw holes (not shown) may be formed in the slit portion 106b and the frame 106c to insert the screws, respectively.
- the slit portion 106b and the frame 106c may be different materials or the same material, respectively.
- the slit member 106 of the present invention is a slit member having a slit for emitting an ion beam from the ion generator for ion implanter, wherein the slit in which the slit is formed has a refractory metal material as a base material for forming a part shape, It characterized in that it has a coating structure containing a semi-carbide layer on at least one surface to be the inner surface of the base material.
- coating structure including a semicarbide layer refers to a structure in which a semicarbide layer is layered as a coating underlayer, unless otherwise specified, using a separate additive or applying a protective layer / intermediate layer, and the like. It provides features that provide improved thermal deformation stability, abrasion protection, deposit delamination deterioration and phase stability without the need for CVD.
- the semicarbide-containing coating structure may include, for example, a carbide structure of refractory metal in which a monocarbide continuous or discontinuous layer of refractory metal constitutes a layered layer on a semicarbide continuous or discontinuous layer of refractory metal.
- the structure can provide improved properties in terms of thermal deformation stability, wear protection and deposit delamination resistance compared to semicarbide monolayers or monocarbide monolayers.
- the semicarbide coating layer includes, as another example, 1 selected from a group consisting of an epsilon ( ⁇ -Fe 2 N type) crystal structure and a beta phase (PbO 2 type, Mo 2 C type, or C 6 type) crystal structure, and the like.
- the continuous or discontinuous layer having a hexagonal crystal structure on the continuous or discontinuous layer having a crystal structure of at least one species may have a structure that continuously or discontinuously layered, such that the different crystal structure is a continuous or discontinuous layered According to the structure of the configuration, it is possible to further provide a property of improved phase stability.
- the bilayer has a structure in which a continuous layer having a hexagonal phase crystal structure is continuously layered on a continuous layer having the epsilon phase ( ⁇ -Fe 2 N type) crystal structure.
- X may be 5 or less, Within this range, it is possible to simultaneously provide improved thermal deformation stability, wear protection and deposition delamination resistance.
- Wm and Ws are values obtained by multiphase analysis by EBSD (Electron BackScattered Diffraction) method.
- X may be, for example, in the range of 0.01 to 5, 0.03 to 4, 0.1 to 4, 0.05 to 0.3, or 0.1 to 0.2.
- Ww: Wm: Ws may be in the range of 90 to 95: 0.8 to 4: 9.2 to 1, and within this range may also provide improved thermal strain stability, wear protection properties and deposit stripping resistance at the same time.
- Ww, Wm, and Ws are values obtained by polyphase analysis by EBSD (Electron Back-Scattered Diffraction) method.
- Y may be 91 to 94: 0.8 to 3: 8.2 to 3.
- the continuous layer having the hexagonal phase crystal structure is a peak in which the first peak having the maximum peak intensity (see the peak inside the graph in FIG. 7) in the range of 35 ° to 36 ° when measured by XRD diffraction analysis, and the second peak is It may be a peak present in the range of 48 ° to 50 °, and the third peak may have a peak present in the range of 31 ° to 32 °.
- the continuous layer having one or more crystal structures selected from the group consisting of the epsilon phase ( ⁇ -Fe 2 N type) crystal structure and beta phase (PbO 2 type, Mo 2 C type or C 6 type) crystal structure, etc. is XRD
- the first peak with the maximum peak intensity (see graph bottom peak in FIG. 7) in the measurement is the peak present in the range 69.5 ° to 70.0 °
- the second peak is the peak present in the range 39.5 ° to 40.0 °
- the third The peak may be one having a peak present in the range of 52.0 ° to 52.5 °.
- the semicarbide layer is capable of providing sufficiently improved thermal deformation stability, wear protection properties, deposition resistance, and phase stability even at a fine thickness, and a minimum layer thickness of 2 ⁇ m or more and a maximum layer thickness of 300 ⁇ m or less. Or it is preferable to exist in the range of 200 micrometers or less.
- minimum layer thickness and maximum layer thickness refer to the numerical values of the minimum thickness and the maximum thickness of the various parts of the layer, unless otherwise specified.
- the semicarbide layer-containing coating structure may be, for example, a monocarbide layer having a layer thickness of 1 to 10 ⁇ m on a semicarbide layer having a layer thickness of 1 to 50 ⁇ m, and having a layered structure within this range. It can simultaneously provide improved wear protection and deposit delamination resistance.
- the semicarbide layer-containing coating structure may be a monocarbide layer having a layer thickness of 1 to 6 ⁇ m on the semicarbide layer having a layer thickness of 1 to 8 ⁇ m.
- components constituting the arc chamber 104 of the ion generator 100 for the ion implanter components such as a repeller 103, a cathode 102, a chamber wall 104a, or a slit member 106.
- Residual parts constituting the ion chamber 104 are made of a refractory metal material as a base material, or a material having a coating structure including a semi-carbide layer on the surface of the refractory metal material base material, which is the inner surface as described above, or carbon Or it can be produced in a variety of known materials such as carbon and hydrogen compounds.
- the semi-carbide coating layer including the semi-carbide layer is coated with a semi-carbide layer including a semi-carbide layer by heat-treating the selected component using a refractory metal material as a base material, and then heat-treated with an element containing carbon on at least one surface of the base material. Can be formed.
- heat treatment with the element containing carbon it may be formed by a carburizing or chemical vapor deposition using a graphite sheet or carbon black powder, and may have a structure having a multilayer coating layer including the semicarbide layer as a coating lower layer.
- the multilayer coating layer including the semicarbide layer may have a minimum layer thickness of 2 ⁇ m or more and a maximum layer thickness of 300 ⁇ m or less.
- the heat treatment with the carbon-containing element is carried out under operating conditions in which, for example, a monocarbide layer can form a multilayer coating layer layered with a layer thickness of 1 to 10 ⁇ m on a semicarbide layer having a layer thickness of 1 to 30 ⁇ m. It is desirable to.
- the heat treatment with the carbon-containing element is carried out under operating conditions in which a monocarbide layer can form a layered coating layer with a layer thickness of 1 to 6 ⁇ m on a semicarbide layer having a layer thickness of 1 to 8 ⁇ m. More preferred.
- the operating condition (heating pressurization condition) of the heat treatment is a maximum temperature 1100 ⁇ 2200 °C, heating rate 1 ⁇ 100 °C / min, dwell time in a vacuum or inert gas atmosphere conditions 0 seconds ⁇ 30 hours ( In this case, 0 seconds means immediate cooling), and the heat treatment process may be performed, and the present invention is not limited thereto and may be controlled within a known range according to the material of the repeller.
- Operating conditions (heating pressurized condition) of the chemical vapor deposition is 900 ⁇ 2200 °C lower than the atmospheric pressure at a temperature of 10 - and a pressure range of less than 2 torr ⁇ 760torr, is hydrogen and the compound ratio of hydrogen and carbon 70: 30 to 99.9:
- the reaction time may be to perform a chemical vapor deposition process in the range of 0 seconds to 30 hours, not limited to this, and may be controlled within a known range according to the material of the repeller.
- the component for ion implanter of the present invention has a refractory metal material as a base material forming a part shape, and has a coating structure including a semicarbide layer on at least one surface of the base material, such peeling phenomenon is effectively prevented.
- the application of heat deformation stabilization, abrasion protection, or deposit separation resistance to components such as a repeller, a cathode, a chamber wall, or a slit member constituting an arc chamber of an ion implantation ion generator used in the manufacture of a semiconductor device of the present invention By providing a coating structure including a semi-carbide layer for the purpose, it enables precise ion implantation process without changing the ion generation position or equipment, and can evenly reflect electrons into the arc chamber, increasing the uniformity of the plasma to increase ion source gas. In addition to improving the disassembly efficiency, the service life can be significantly improved compared to existing components.
- a reflector 103a having a circular surface having a radius of 12 mm and a cathode 102 having a circular surface having a radius of 10.85 mm are provided opposite to the sidewalls.
- a generator was produced.
- the reflector 103a of FIG. 2 is formed by using a tungsten material as a base material, and the graphite sheet is placed as a material containing carbon on the surface of the tungsten material base material, which is the inner surface, and the maximum temperature is 1380 ° C., and a heating rate.
- a material having a two-layer coating structure in which tungsten monocarbide continuous or discontinuous layers were continuously or discontinuously layered on a tungsten semicarbide continuous or discontinuous layer by heating at 4.5 ° C./min and a holding time of 15 hr without applying an intermediate layer / protective layer was prepared. This was then shaped.
- the terminal portion 103b for applying a predetermined voltage to the reflecting portion 103a was formed using tungsten material as a base material and then integrated into the reflecting portion 103a.
- EBSD Electro BackScattered Diffraction, JEOL, TSL model
- the semicarbide-containing coating structure has a multilayer coating structure in which the monocarbide layer has a layer thickness of 3 ⁇ m or less on a semicarbide layer having a layer thickness of 8 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) was 0.913 fraction, and the content of crystal structure (Ws) of tungsten semicarbide layer was 0.079 fraction. And it was confirmed that the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.008 fraction, and the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.3: 0.8: 7.9.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was determined in the epsilon phase ( ⁇ -Fe 2 N type) in the XRD transmission depth region ( ⁇ 3 ⁇ m) as shown in FIG. 7.
- Continuous or discontinuous layer with hexagonal crystal structure on the continuous or discontinuous layer having at least one crystal structure selected from the group consisting of a structure and a beta phase (PbO 2 type, Mo 2 C type or C 6 type) crystal structure and the like It was confirmed that this had a continuous or discontinuous layered multilayer coating structure.
- the tungsten monocarbide continuous or discontinuous layer is a peak in which the first peak having the maximum peak intensity in the XRD diffraction analysis is present in the range of 35 ° to 36 °. 2 peaks were present in the range of 48 ° to 49 ° and the third peak was present at 31 ° to 32 °.
- the tungsten semicarbide continuous or discontinuous layer has a peak peak when the peaks of tungsten monocarbide and tungsten semicarbide overlap in the XRD measurement, and thus no peak of tungsten semicarbide is observed.
- the first peak having intensity is a peak present in a range of 69.5 ° to 70.0 °
- the second peak is a peak present in a range of 39.5 ° to 40.0 °
- the third peak is a peak present in a range of 52.0 ° to 52.5 °. Seemed.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws (hereinafter referred to as X), it was possible to calculate that X was 0.008 / 0.079 as 0.1.
- a reflector 103a having a circular surface having a radius of 12 mm and a cathode 102 having a circular surface having a radius of 10.85 mm are provided opposite to the sidewalls.
- a generator was produced.
- the cathode front portion 102b of FIG. 3 is formed by using a tungsten material as a base material, and the graphite sheet is placed as a material containing carbon on the surface of the tungsten material base material, which is the inner surface, and heated at a maximum temperature of 1380 ° C.
- heat treatment was performed without application of an intermediate layer / protective layer to prepare a material having a two-layer coating structure in which tungsten monocarbide continuous or discontinuous layers were continuously or discontinuously layered on a tungsten semicarbide continuous or discontinuous layer. It was then shaped.
- EBSD Electro BackScattered Diffraction, JEOL, TSL model
- the semicarbide-containing coating structure has a multilayer coating structure in which the monocarbide layer has a layer thickness of 3 ⁇ m or less on a semicarbide layer having a layer thickness of 8 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) was 0.913 fraction, and the content of crystal structure (Ws) of tungsten semicarbide layer was 0.079 fraction. And it was confirmed that the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.008 fraction, and the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.3: 0.8: 7.9.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was determined in the epsilon phase ( ⁇ -Fe 2 N type) in the XRD transmission depth region ( ⁇ 3 ⁇ m) as shown in FIG. 7.
- Continuous or discontinuous layer with hexagonal crystal structure on the continuous or discontinuous layer having at least one crystal structure selected from the group consisting of a structure and a beta phase (PbO 2 type, Mo 2 C type or C 6 type) crystal structure and the like It was confirmed that this had a continuous or discontinuous layered multilayer coating structure.
- the tungsten monocarbide continuous or discontinuous layer is a peak in which the first peak having the maximum peak intensity in the XRD diffraction analysis is present in the range of 35 ° to 36 °. 2 peaks were present in the range of 48 ° to 49 ° and the third peak was present at 31 ° to 32 °.
- the tungsten semicarbide continuous or discontinuous layer has a peak peak when the peaks of tungsten monocarbide and tungsten semicarbide overlap in the XRD measurement, and thus no peak of tungsten semicarbide is observed.
- the first peak having intensity is a peak present in a range of 69.5 ° to 70.0 °
- the second peak is a peak present in a range of 39.5 ° to 40.0 °
- the third peak is a peak present in a range of 52.0 ° to 52.5 °. Seemed.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws (hereinafter referred to as X), it was possible to calculate that X was 0.008 / 0.079 as 0.1.
- a reflector 103a having a circular surface having a radius of 12 mm and a cathode 102 having a circular surface having a radius of 10.85 mm are provided opposite to the sidewalls.
- a generator was produced.
- the chamber wall 104a of FIG. 4 is formed by using a tungsten material as a base material, and the graphite sheet is placed as a material containing carbon on the surface of the tungsten material base material, which is the inner surface, and the maximum temperature is 1380 ° C and a heating rate of 4.5 ° C.
- EBSD Electro BackScattered Diffraction, JEOL, TSL model
- the semicarbide-containing coating structure has a multilayer coating structure in which the monocarbide layer has a layer thickness of 3 ⁇ m or less on a semicarbide layer having a layer thickness of 8 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) is 0.913 fraction
- the content of crystal structure (Ws) of tungsten semicarbide layer is 0.079 fraction
- the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.008 fraction
- the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.3: 0.8: 7.9.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was determined in the epsilon phase ( ⁇ -Fe 2 N type) in the XRD transmission depth region ( ⁇ 3 ⁇ m) as shown in FIG. 7.
- Continuous or discontinuous layer with hexagonal crystal structure on the continuous or discontinuous layer having at least one crystal structure selected from the group consisting of a structure and a beta phase (PbO 2 type, Mo 2 C type or C 6 type) crystal structure and the like It was confirmed that this had a continuous or discontinuous layered multilayer coating structure.
- the tungsten monocarbide continuous or discontinuous layer is a peak in which the first peak having the maximum peak intensity in the XRD diffraction analysis is present in the range of 35 ° to 36 °. 2 peaks were present in the range of 48 ° to 49 ° and the third peak was present at 31 ° to 32 °.
- the tungsten semicarbide continuous or discontinuous layer has a peak peak when the peaks of tungsten monocarbide and tungsten semicarbide overlap in the XRD measurement, and thus no peak of tungsten semicarbide is observed.
- the first peak having intensity is a peak present in a range of 69.5 ° to 70.0 °
- the second peak is a peak present in a range of 39.5 ° to 40.0 °
- the third peak is a peak present in a range of 52.0 ° to 52.5 °. Seemed.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws (hereinafter referred to as X), it was possible to calculate that X was 0.008 / 0.079 as 0.1.
- a reflector 103a having a circular surface having a radius of 12 mm and a cathode 102 having a circular surface having a radius of 10.85 mm are provided opposite to the sidewalls.
- a generator was produced.
- the slit portion 106b of FIG. 5 is formed by using a tungsten material as a base material, and the graphite sheet is placed as a material containing carbon on the surface of the tungsten material base material, which becomes the inner surface, and the maximum temperature is 1380 ° C. and the heating rate is 4.5 ° C.
- EBSD Electro BackScattered Diffraction, JEOL, TSL model
- the coating structure including the semicarbide layer has a multilayer coating structure in which the monocarbide layer has a layer thickness of 3 ⁇ m or less on a semicarbide layer having a layer thickness of 8 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) was 0.913 fraction, and the content of crystal structure (Ws) of tungsten semicarbide layer was 0.079 fraction. And it was confirmed that the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.008 fraction, and the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.3: 0.8: 7.9.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was determined in the epsilon phase ( ⁇ -Fe 2 N type) in the XRD transmission depth region ( ⁇ 3 ⁇ m).
- the tungsten monocarbide continuous or discontinuous layer is a peak in which the first peak having the maximum peak intensity in the XRD diffraction analysis is present in the range of 35 ° to 36 °. 2 peaks were present in the range of 48 ° to 49 ° and the third peak was present at 31 ° to 32 °.
- the tungsten semicarbide continuous or discontinuous layer has a peak peak when the peaks of tungsten monocarbide and tungsten semicarbide overlap in the XRD measurement, and thus no peak of tungsten semicarbide is observed.
- the first peak having intensity is a peak present in a range of 69.5 ° to 70.0 °
- the second peak is a peak present in a range of 39.5 ° to 40.0 °
- the third peak is a peak present in a range of 52.0 ° to 52.5 °. Seemed.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws (hereinafter referred to as X), it was possible to calculate that X was 0.008 / 0.079 as 0.1.
- an ion generator for an ion implanter having the structure as shown in FIG.
- the reflective portion 103a and the terminal portion 103b of FIG. 2 are each shaped using a tungsten material as a base material, and then carbon black powder is used as the carbon material on the surface of the tungsten material base material to be the inner side, and the intermediate layer /
- the above embodiment except that the tungsten monocarbide continuous or discontinuous layer on the tungsten semi-carbide continuous or discontinuous layer was processed using a material having a two-layer coating structure layered by continuous or discontinuous layer The same process as 1-1 was repeated.
- the semicarbide layer had a multilayer structure of monocarbide layer having a layer thickness of 6 ⁇ m or less on a semicarbide layer having a layer thickness of 7 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) is 0.912 fraction
- the content of crystal structure (Ws) of tungsten semicarbide layer is 0.074 fraction
- the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.014 fraction
- the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.2: 1.4: 7.4.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was determined in the epsilon phase ( ⁇ -Fe 2 N type) in the XRD transmission depth region ( ⁇ 3 ⁇ m) as shown in FIG. 7.
- the continuous or discontinuous layer having the hexagonal phase crystal structure is a peak having a maximum peak intensity in the range of 35 ° to 36 ° when measured by XRD diffraction analysis. It was confirmed that two peaks are peaks present in the range of 49 ° to 50 °, and the third peak shows peaks present in the range of 31 ° to 32 °.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws, it can be calculated that X is 0.19 as 0.014 / 0.074.
- an ion generating device for an ion implanter having the structure as shown in FIG.
- the cathode front portion 102b of FIG. 3 is formed by using tungsten material as a base material, and then carbon black powder is used as the carbon material on the surface of the tungsten material base material which becomes the inner side, and without applying the intermediate layer / protective layer.
- the tungsten monocarbide continuous or discontinuous layer was formed on the tungsten semicarbide continuous or discontinuous layer using a material having a two-layer coating structure in which the layer was continuously or discontinuously layered. The process was repeated.
- the semicarbide layer had a multilayer structure of monocarbide layer having a layer thickness of 6 ⁇ m or less on a semicarbide layer having a layer thickness of 7 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) is 0.912 fraction
- the content of crystal structure (Ws) of tungsten semicarbide layer is 0.074 fraction
- the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.014 fraction
- the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.2: 1.4: 7.4.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was formed in the epsilon phase ( ⁇ -Fe 2 N type) crystal structure in the XRD transmission depth region ( ⁇ 3 ⁇ m) as shown in FIG. 7.
- the continuous or discontinuous layer having the hexagonal phase crystal structure was a peak having a first peak having a maximum peak intensity in the range of 35 ° to 36 ° when measured by XRD diffraction analysis, and a second layer. It was confirmed that the peak is in the range of 49 ° to 50 ° and the third peak shows the peak in the range of 31 ° to 32 °.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws, it can be calculated that X is 0.19 as 0.014 / 0.074.
- an ion generating device for an ion implanter having the structure as shown in FIG.
- the shape of the chamber wall 104a of FIG. 4 using a tungsten material as a base material, and then using carbon black powder as a carbon material on the surface of the tungsten material base material to be the inner surface, and heat treatment without applying the intermediate layer / protective layer The same process as in Example 1-3 was repeated except that the tungsten monocarbide continuous or discontinuous layer was formed on a tungsten semicarbide continuous or discontinuous layer using a material having a two-layer coating structure in which the tungsten monocarbide continuous or discontinuous layer was continuously or discontinuously layered. It was.
- the semicarbide layer had a multilayer structure of monocarbide layer having a layer thickness of 6 ⁇ m or less on a semicarbide layer having a layer thickness of 7 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) is 0.912 fraction
- the content of crystal structure (Ws) of tungsten semicarbide layer is 0.074 fraction
- the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.014 fraction
- the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.2: 1.4: 7.4.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was determined in the epsilon phase ( ⁇ -Fe 2 N type) in the XRD transmission depth region ( ⁇ 3 ⁇ m) as shown in FIG. 7.
- the continuous or discontinuous layer having the hexagonal phase crystal structure is a peak having a maximum peak intensity in the range of 35 ° to 36 ° when measured by XRD diffraction analysis. It was confirmed that two peaks are peaks present in the range of 49 ° to 50 °, and the third peak shows peaks present in the range of 31 ° to 32 °.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws, it can be calculated that X is 0.19 as 0.014 / 0.074.
- Example 1-4 an ion generator for an ion implanter having the structure shown in FIG. 1 was manufactured.
- the shape of the slit portion 106b of Figure 5 using a tungsten material as a base material and then using carbon black powder as a carbon material on the surface of the tungsten material base material to be the inner surface, when heat treatment without applying the intermediate layer / protective layer The same process as in Example 1-4 was repeated except that the tungsten monocarbide continuous or discontinuous layer was formed on a tungsten semicarbide continuous or discontinuous layer using a material having a two-layer coating structure in which the layer was continuously or discontinuously layered. It was.
- the semicarbide layer had a multilayer structure of monocarbide layer having a layer thickness of 6 ⁇ m or less on a semicarbide layer having a layer thickness of 7 ⁇ m or less.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure, and the tungsten monocarbide was identified as a hexagonal phase (h-WC) crystal structure (see FIG. 7).
- the content of tungsten layer (Ww) is 0.912 fraction
- the content of crystal structure (Ws) of tungsten semicarbide layer is 0.074 fraction
- the content of the crystal structure (Wm) of the tungsten monocarbide layer was 0.014 fraction
- the weight ratio (Ww: Wm: Ws) calculated therefrom was 91.2: 1.4: 7.4.
- the coating structure in which the tungsten monocarbide layer was layered on the tungsten semicarbide layer was determined in the epsilon phase ( ⁇ -Fe 2 N type) in the XRD transmission depth region ( ⁇ 3 ⁇ m) as shown in FIG. 7 as a result of XRD diffraction analysis.
- the continuous or discontinuous layer having the hexagonal phase crystal structure is a peak having a maximum peak intensity in the range of 35 ° to 36 ° when measured by XRD diffraction analysis. It was confirmed that two peaks are peaks present in the range of 49 ° to 50 °, and the third peak shows peaks present in the range of 31 ° to 32 °.
- the fraction calculated from the result of phase separation through surface analysis according to EBSD is determined by the weight ratio Wm / of the content Wm of the crystal structure constituting the tungsten monocarbide layer and the content Ws of the crystal structure constituting the tungsten semicarbide layer. Applying to the factor X of Ws, it can be calculated that X is 0.19 as 0.014 / 0.074.
- Example 1-1 an ion generator for an ion implanter having the structure as shown in FIG. 1 is manufactured, but a tungsten material having no coating structure including a semicarbide layer is not formed because the heat treatment process is not performed on the reflector.
- the reflecting part and the terminal part were produced using (The factor X of Example 1-1 is 0, and the weight ratio of Ww: Wm: Ws is 100: 0: 0).
- Example 1 an ion generator for an ion implanter having the structure as shown in FIG. 1 is manufactured, but a tungsten material having no coating structure including a semi-carbide layer is not formed since the heat treatment process is not performed on the cathode front surface.
- the reflecting part and the terminal part were produced (the factor X of Example 1-2 is 0, and the weight ratio of Ww: Wm: Ws is 100: 0: 0).
- Example 1-3 an ion generator for an ion implanter having the structure as shown in FIG. 1 was manufactured, but a tungsten material having no coating structure including a semicarbide layer was not formed by performing a heat treatment process on a chamber wall.
- the reflecting part and the terminal part were produced using (The factor X of Example 1-3 is 0, and the weight ratio of Ww: Wm: Ws is 100: 0: 0).
- Example 1-4 an ion generator for an ion implanter having the structure as shown in FIG. 1 was manufactured, but a tungsten material having no coating structure including a semicarbide layer was not formed by performing a heat treatment process on the slit part.
- the reflecting portion and the terminal portion were fabricated using (the factor X of Example 1-4 was 0, and the weight ratio of Ww: Wm: Ws was 100: 0: 0).
- An ion generator for an ion implanter having the structure shown in FIG. 1 was manufactured in the same manner as in Example 1-1, and EBSD (Electron BackScattered Diffraction) was applied to the coating structure including the semicarbide layer on the reflector formed according to Example 1-1.
- the top tungsten monocarbide layer was dropped by applying a mechanical polishing method such as a chemical electrolytic polishing process or polishing performed for surface analysis according to the present invention, and a structure in which the tungsten semicarbide layer was exposed was provided (in Example 1-1).
- Factor X is zero).
- the tungsten semicarbide layer had a layer thickness of 10.435 ⁇ m or less.
- the content (Ww) of the tungsten layer was 0.879 fraction, and the crystal structure (Ws) of the tungsten semicarbide layer It was confirmed that the content was 0.121 fraction, and the weight ratio (Ww: Wm: Ws) calculated therefrom was 87.9: 12.1: 0.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure.
- the layer having the epsilon phase ( ⁇ -Fe 2 N type) crystal structure overlaps the peaks of tungsten monocarbide and tungsten semicarbide during XRD measurement, and thus has a maximum peak intensity when the peak of tungsten semicarbide is not observed. It was confirmed that one peak is a peak present in a range of 69.5 ° to 70.0 °, a second peak is present in a range of 39.5 ° to 40.0 °, and a third peak has a peak present in a range of 52.0 ° to 52.5 °. .
- Example 1-2 the ion generator for the ion implanter having the structure as shown in FIG. 1 was manufactured, and in the EBSD (Electron BackScattered Diffraction) for the coating structure including the semi-carbide layer on the cathode front part formed according to Example 1
- EBSD Electro BackScattered Diffraction
- the top tungsten monocarbide layer was dropped, and the structure of the tungsten semicarbide layer was exposed (the factor of Example 1-2).
- X is 0).
- the tungsten semicarbide layer had a layer thickness of 10.435 ⁇ m or less.
- the content (Ww) of the tungsten layer was 0.879 fraction, and the crystal structure (Ws) of the tungsten semicarbide layer It was confirmed that the content was 0.121 fraction, and the weight ratio (Ww: Wm: Ws) calculated therefrom was 87.9: 12.1: 0.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure.
- the layer having the epsilon phase ( ⁇ -Fe 2 N type) crystal structure overlaps the peaks of tungsten monocarbide and tungsten semicarbide during XRD measurement, and thus has a maximum peak intensity when the peak of tungsten semicarbide is not observed. It was confirmed that one peak is a peak present in a range of 69.5 ° to 70.0 °, a second peak is present in a range of 39.5 ° to 40.0 °, and a third peak has a peak present in a range of 52.0 ° to 52.5 °. .
- An ion generator for an ion implanter having the structure as shown in FIG. 1 was manufactured in the same manner as in Example 1-3, and EBSD (Electron BackScattered Diffraction) was applied to the coating structure including the semicarbide layer on the chamber wall formed according to Example 1-3.
- the top tungsten monocarbide layer was dropped by applying a mechanical polishing method such as a chemical electrolytic polishing process or polishing performed for surface analysis according to the present invention, and a structure in which the tungsten semicarbide layer was exposed was provided (in Example 1-3).
- Factor X is zero).
- the tungsten semicarbide layer had a layer thickness of 10.435 ⁇ m or less.
- the content (Ww) of the tungsten layer was 0.879 fraction, and the crystal structure (Ws) of the tungsten semicarbide layer It was confirmed that the content was 0.121 fraction, and the weight ratio (Ww: Wm: Ws) calculated therefrom was 87.9: 12.1: 0.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure.
- the layer having the epsilon phase ( ⁇ -Fe 2 N type) crystal structure overlaps the peaks of tungsten monocarbide and tungsten semicarbide during XRD measurement, and thus has a maximum peak intensity when the peak of tungsten semicarbide is not observed. It was confirmed that one peak is a peak present in a range of 69.5 ° to 70.0 °, a second peak is present in a range of 39.5 ° to 40.0 °, and a third peak has a peak present in a range of 52.0 ° to 52.5 °. .
- An ion generator for an ion implanter having a structure as shown in FIG. 1 was manufactured in the same manner as in Example 1-4, and EBSD (Electron BackScattered Diffraction) was applied to the coating structure including the semicarbide layer on the slit formed according to Example 1-4.
- EBSD Electro BackScattered Diffraction
- the top tungsten monocarbide layer was dropped, and a structure in which the tungsten semicarbide layer was exposed (see Example 1-4).
- Factor X is zero).
- the tungsten semicarbide layer had a layer thickness of 10.435 ⁇ m or less.
- the content (Ww) of the tungsten layer was 0.879 fraction, and the crystal structure (Ws) of the tungsten semicarbide layer It was confirmed that the content was 0.121 fraction, and the weight ratio (Ww: Wm: Ws) calculated therefrom was 87.9: 12.1: 0.
- the tungsten semicarbide was identified as an epsilon phase ( ⁇ -Fe 2 N type) crystal structure.
- the layer having the epsilon phase ( ⁇ -Fe 2 N type) crystal structure overlaps the peaks of tungsten monocarbide and tungsten semicarbide during XRD measurement, and thus has a maximum peak intensity when the peak of tungsten semicarbide is not observed. It was confirmed that one peak is a peak present in a range of 69.5 ° to 70.0 °, a second peak is present in a range of 39.5 ° to 40.0 °, and a third peak has a peak present in a range of 52.0 ° to 52.5 °. .
- the cathode collides with the cathode and / or the repeller, and in the case of the anion, it collides with the wall of the arc chamber, which is the anode, to cause sputtering to move atoms on the part surface. Due to the phenomenon, deposits are formed in the peripheral area inside the arc chamber, and when the deposits are separated between the anode and the cathode and connect the anode and the cathode, an electrical short occurs, and a voltage is applied to the arc chamber for 10 minutes. The process was carried out with a cycle of stopping for 5 minutes, and after the electrical short circuit occurred, the operation of the ion generator was stopped, and the number of processes up to this time was measured to determine wear protection characteristics.
- Example 2-1 Comparative Example 1-1 Comparative Example 2-1 Thermal deformation protection Good Good Good Good Wear protection characteristics (process count) Episode 221 Episode 244 195 times Episode 206
- the cathode collides with the cathode and / or the repeller, and in the case of the anion, it collides with the wall of the arc chamber, which is the anode, to cause sputtering to move atoms on the part surface. Due to the phenomenon, deposits are formed in the peripheral area inside the arc chamber, and when the deposits are separated between the anode and the cathode and connect the anode and the cathode, an electrical short occurs, and a voltage is applied to the arc chamber for 10 minutes. The process was carried out with a cycle of stopping for 5 minutes, and after the electrical short circuit occurred, the operation of the ion generator was stopped, and the number of processes up to this time was measured to determine wear protection characteristics.
- Example 2-2 Comparative Example 1-2 Comparative Example 2-2 Thermal deformation protection Good Good Good Good Wear protection characteristics (process count) Episode 223 Episode 245 Episode 196 Episode 207
- the cathode collides with the cathode and / or the repeller, and in the case of the anion, it collides with the wall of the arc chamber, which is the anode, to cause sputtering to move atoms on the part surface. Due to the phenomenon, deposits are formed in the peripheral area inside the arc chamber, and when the deposits are separated between the anode and the cathode and connect the anode and the cathode, an electrical short occurs, and a voltage is applied to the arc chamber for 10 minutes. The process was carried out with a cycle of stopping for 5 minutes, and after the electrical short circuit occurred, the operation of the ion generator was stopped, and the number of processes up to this time was measured to determine wear protection characteristics.
- Comparative Examples 1-4 and Comparative Example 2-4 are operated in an environment using BF 3 as an ion source gas, an arc chamber ionized from the ion source gas is operated. After the ions passed through the extraction electrode and the mass spectrometer through the slit, the beam size was adjusted and the number of ions was measured through the Faraday system. At this time, if the material is warped due to heat deformation in the material of the arc chamber, the irregular number of ions are measured. If the number of ions to be injected is constantly measured, it is determined to be good and the number of ions is rapidly decreased and / or increased. In the case of a cycle such as the above, it was judged to be defective.
- the cathode collides with the cathode and / or the repeller, and in the case of the anion, it collides with the wall of the arc chamber, which is the anode, to cause sputtering to move atoms on the part surface. Due to the phenomenon, deposits are formed in the peripheral area inside the arc chamber, and when the deposits are separated between the anode and the cathode and connect the anode and the cathode, an electrical short occurs, and a voltage is applied to the arc chamber for 10 minutes. The process was carried out with a cycle of stopping for 5 minutes, and after the electrical short circuit occurred, the operation of the ion generator was stopped, and the number of processes up to this time was measured to determine wear protection characteristics.
- Example 2-4 Comparative Example 1-4 Comparative Example 2-4 Thermal deformation protection Good Good Good Good Wear protection characteristics (process count) Episode 222 Episode 245 Episode 197 Episode 208
- Beam current (unit: mA) was measured to compare the generation efficiency of ions while operating the ion generators of Examples 1-1 and 2-1 and Comparative Examples 1-1 and 2-1. It was. At this time, the width of the arc chamber 40mm, length 105mm, height 40mm, the distance between the repeller and 85mm, gas was used BF3, the pressure was 2.5 torr. The voltage supplied to the arc chamber was supplied at 80V, the current supplied to the filament was 160A and the voltage supplied to the cathode and the repeller was 600V.
- Example 1-1 and Example 2-1 The results measured in Example 1-1 and Example 2-1, Comparative Example 1-1 and Comparative Example 2-1 in the ion generating device are summarized in Table 5 below.
- Example 1-1 Example 2-1 Comparative Example 1-1 Comparative Example 2-1 Beam current 22.1 mA 23.2 mA 20.0 mA 21.2 mA
- Beam current (unit: mA) was measured to compare the generation efficiency of ions while operating the ion generating devices of Examples 1-2 and Example 2-2 and Comparative Examples 1-2 and Comparative Example 2-2 It was.
- the width of the arc chamber 40mm, length 105mm, height 40mm, the distance between the repeller and 85mm, gas was used BF3, the pressure was 2.5 torr.
- the voltage supplied to the arc chamber was supplied at 80V, the current supplied to the filament was 160A and the voltage supplied to the cathode and the repeller was 600V.
- Example 1-2 Example 2-2 Comparative Example 1-2 Comparative Example 2-2 Beam current 22.0 mA 23.2 mA 20.0 mA 21.2 mA
- Example 6 it was confirmed that the ion generation efficiency was increased compared to the comparative examples 1-2, especially, in Example 2-2 it can be seen that the ion generation efficiency is further increased.
- Beam current (unit: mA) was measured to compare the generation efficiency of ions while operating the ion generating devices of Examples 1-3 and 2-3 and Comparative Examples 1-3 and Comparative Example 2-3 It was.
- the width of the arc chamber 40mm, length 105mm, height 40mm, the distance between the repeller and 85mm, gas was used BF3, the pressure was 2.5 torr.
- the voltage supplied to the arc chamber was supplied at 80V, the current supplied to the filament was 160A and the voltage supplied to the cathode and the repeller was 600V.
- Example 1-3 Example 2-3 Comparative Example 1-3 Comparative Example 2-3 Beam current 22.0 mA 23.0 mA 20.0 mA 21.2 mA
- Beam current (unit: mA) was measured to compare the generation efficiency of ions while operating the ion generators of Examples 1-4 and 2-4 and Comparative Examples 1-4 and 2-4. It was. At this time, the width of the arc chamber 40mm, length 105mm, height 40mm, the distance between the repeller and 85mm, gas was used BF3, the pressure was 2.5 torr. The voltage supplied to the arc chamber was supplied at 80V, the current supplied to the filament was 160A and the voltage supplied to the cathode and the repeller was 600V.
- Example 1-4 Example 2-4 Comparative Example 1-4 Comparative Example 2-4 Beam current 22.0 mA 23.1 mA 20.0 mA 21.3 mA
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Abstract
Description
구분 | 실시예 1-1 | 실시예 2-1 | 비교예 1-1 | 비교예 2-1 |
열변형 보호특성 | 양호 | 양호 | 양호 | 양호 |
마모 보호특성 (공정 횟수) | 221회 | 244회 | 195회 | 206회 |
구분 | 실시예 1-2 | 실시예 2-2 | 비교예 1-2 | 비교예 2-2 |
열변형 보호특성 | 양호 | 양호 | 양호 | 양호 |
마모 보호특성 (공정 횟수) | 223회 | 245회 | 196회 | 207회 |
구분 | 실시예 1-3 | 실시예 2-3 | 비교예 1-3 | 비교예 2-3 |
열변형 보호특성 | 양호 | 양호 | 양호 | 양호 |
마모 보호특성 (공정 횟수) | 221회 | 245회 | 196회 | 207회 |
구분 | 실시예 1-4 | 실시예 2-4 | 비교예 1-4 | 비교예 2-4 |
열변형 보호특성 | 양호 | 양호 | 양호 | 양호 |
마모 보호특성 (공정 횟수) | 222회 | 245회 | 197회 | 208회 |
실시예 1-1 | 실시예 2-1 | 비교예 1-1 | 비교예 2-1 | |
빔 전류 | 22.1mA | 23.2mA | 20.0mA | 21.2mA |
실시예 1-2 | 실시예 2-2 | 비교예 1-2 | 비교예 2-2 | |
빔 전류 | 22.0mA | 23.2mA | 20.0mA | 21.2mA |
실시예 1-3 | 실시예 2-3 | 비교예 1-3 | 비교예 2-3 | |
빔 전류 | 22.0mA | 23.0mA | 20.0mA | 21.2mA |
실시예 1-4 | 실시예 2-4 | 비교예 1-4 | 비교예 2-4 | |
빔 전류 | 22.0mA | 23.1mA | 20.0mA | 21.3mA |
Claims (29)
- 이온주입기용 이온발생장치의 아크챔버 내측에 설치되고, 상기 이온발생장치의 캐소드에 대향하여 설치되는 반사부 및 상기 반사부에서 연장되며 소정의 전압이 인가되는 단자부를 포함하는 리펠러로서, 상기 반사부는 부품 형상을 형성하는 모재로서 내화금속 소재를 갖고, 상기 모재의 내측면이 되는 하나 이상의 표면에 세미카바이드층 포함 코팅구조를 갖는 것을 특징으로 하는 이온주입기용 리펠러.
- 청구항 1에 있어서,상기 세미카바이드층 포함 코팅구조는 내화금속의 세미카바이드 연속 또는 불연속 층상에 내화금속의 모노카바이드 연속 또는 불연속 층이 레이어드(layered)를 구성하는 내화금속 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 리펠러.
- 청구항 1에 있어서,상기 세미카바이드층 포함 코팅구조는 엡실론상 결정구조 및 베타상 결정구조로 이루어진 그룹 중에서 선택된 1종 이상의 결정구조를 갖는 연속 또는 불연속 층상에 헥사고날상 결정구조를 갖는 연속 또는 불연속 층이 연속 또는 불연속적으로 레이어드(layered)를 구성하는 내화금속의 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 리펠러.
- 청구항 2에 있어서,상기 내화금속의 세미카바이드층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Wm/Ws를 X라 할 때, X가 5 이하(여기서, Wm과 Ws는 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 리펠러.
- 청구항 1에 있어서,상기 모재의 함유량 Ww와, 상기 세미카바이드층 포함 코팅구조로서 내화금속의 세미카바이드층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Ww:Wm:Ws는 90 내지 95: 0.8 내지 4: 9.2 내지 1(여기서, Ww, Wm과 Ws은 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 리펠러.
- 청구항 1에 있어서,상기 세미카바이드 포함 코팅층은 최소 층 두께가 2㎛ 이상이고 최대 층 두께가 300㎛ 이하인 것을 특징으로 하는 이온주입기용 리펠러.
- 청구항 1에 있어서,상기 단자부는 부품 형상을 형성하는 모재로서 내화금속 소재를 갖고, 상기 모재의 일 이상 표면에 세미카바이드층 포함 코팅구조를 갖는 것을 특징으로 하는 이온주입기용 리펠러.
- 청구항 1의 이온주입기용 리펠러를 포함하는 이온발생장치.
- 이온주입기용 이온발생장치의 아크챔버 내부에 설치되고, 상기 아크챔버의 일측에 고정되고 내부에 필라멘트가 설치되는 공간이 형성된 캐소드 측부와, 상기 아크챔버 방향으로 노출되고 전자를 방출하는 표면을 가지는 캐소드 전면부를 포함하는 전자방출 캐소드로서, 상기 캐소드는 부품 형상을 형성하는 모재로서 내화금속 소재를 갖고, 상기 모재의 내측면이 되는 하나 이상의 표면에 세미카바이드층 포함 코팅구조를 갖는 것을 특징으로 하는 이온주입기용 전자방출 캐소드.
- 청구항 9에 있어서,상기 세미카바이드층 포함 코팅구조는 내화금속의 세미카바이드 연속 또는 불연속 층상에 내화금속의 모노카바이드 연속 또는 불연속 층이 레이어드(layered)를 구성하는 내화금속의 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 전자방출 캐소드.
- 청구항 9에 있어서,상기 세미카바이드층 포함 코팅구조는 엡실론상 결정구조 및 베타상 결정구조로 이루어진 그룹 중에서 선택된 1종 이상의 결정구조를 갖는 연속 또는 불연속 층상에 헥사고날상 결정구조를 갖는 연속 또는 불연속 층이 연속 또는 불연속적으로 레이어드(layered)를 구성하는 내화금속의 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 전자방출 캐소드.
- 청구항 10에 있어서,상기 내화금속의 세미카바이드층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Wm/Ws를 X라 할 때, X가 5 이하(여기서, Wm과 Ws는 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 전자방출 캐소드.
- 청구항 9에 있어서,상기 모재의 함유량 Ww와, 상기 세미카바이드층 포함 코팅구조로서 내화금속의 세미카바이드층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Ww:Wm:Ws는 90 내지 95: 0.8 내지 4: 9.2 내지 1(여기서, Ww, Wm과 Ws은 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 전자방출 캐소드.
- 청구항 9에 있어서,상기 세미카바이드 포함 코팅층은 최소 층 두께가 2㎛ 이상이고 최대 층 두께가 300㎛ 이하인 것을 특징으로 하는 이온주입기용 전자방출 캐소드.
- 청구항 9의 이온주입기용 전자방출 캐소드를 포함하는 이온발생장치.
- 이온주입기용 이온발생장치의 이온발생공간을 구성하기 위한 아크챔버 내측에 설치되는 챔버 월로서, 상기 아크챔버의 사면을 구성하는 챔버 월 중 일면 이상의 월은 부품 형상을 형성하는 모재로서 내화금속 소재를 갖고, 상기 모재의 내측면이 되는 하나 이상의 표면에 세미카바이드층 포함 코팅구조를 갖는 것을 특징으로 하는 이온주입기용 챔버 월.
- 청구항 16에 있어서,상기 세미카바이드층 포함 코팅구조는 내화금속의 세미카바이드 연속 또는 불연속 층상에 내화금속의 모노카바이드 연속 또는 불연속 층이 레이어드(layered)를 구성하는 내화금속의 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 챔버 월.
- 청구항 16에 있어서,상기 세미카바이드층 포함 코팅구조는 엡실론상 결정구조 및 베타상 결정구조로 이루어진 그룹 중에서 선택된 1종 이상의 결정구조를 갖는 연속 또는 불연속 층상에 헥사고날상 결정구조를 갖는 연속 또는 불연속 층이 연속 또는 불연속적으로 레이어드(layered)를 구성하는 내화금속의 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 챔버 월.
- 청구항 17에 있어서,상기 내화금속의 세미카바이드층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Wm/Ws를 X라 할 때, X가 5 이하(여기서, Wm과 Ws는 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 챔버 월.
- 청구항 16에 있어서,상기 모재의 함유량 Ww와, 상기 세미카바이드층 포함 코팅구조로서 내화금속의 세미카바이드층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Ww:Wm:Ws는 90 내지 95: 0.8 내지 4: 9.2 내지 1(여기서, Ww, Wm과 Ws은 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 챔버 월.
- 청구항 16에 있어서,상기 세미카바이드 포함 코팅층은 최소 층 두께가 2㎛ 이상이고 최대 층 두께가 300㎛ 이하인 것을 특징으로 하는 이온주입기용 챔버 월.
- 청구항 16의 이온주입기용 챔버 월을 포함하는 이온발생장치.
- 이온주입기용 이온발생장치로부터 이온빔을 방출하기 위한 슬릿을 구비한 슬릿 부재로서, 상기 슬릿이 형성되어 있는 슬릿부는 부품 형상을 형성하는 모재로서 내화금속 소재를 갖고, 상기 모재의 내측면이 되는 하나 이상의 표면에 세미카바이드층 포함 코팅구조를 갖는 것을 특징으로 하는 이온주입기용 슬릿 부재.
- 청구항 23에 있어서,상기 세미카바이드층 포함 코팅구조는 내화금속의 세미카바이드 연속 또는 불연속 층상에 내화금속의 모노카바이드 연속 또는 불연속 층이 레이어드(layered)를 구성하는 내화금속의 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 슬릿 부재.
- 청구항 23에 있어서,상기 세미카바이드층 포함 코팅구조는 엡실론상 결정구조 및 베타상 결정구조로 이루어진 그룹 중에서 선택된 1종 이상의 결정구조를 갖는 연속 또는 불연속 층상에 헥사고날상 결정구조를 갖는 연속 또는 불연속 층이 연속 또는 불연속적으로 레이어드(layered)를 구성하는 내화금속의 카바이드 구조를 포함하는 것을 특징으로 하는 이온주입기용 슬릿 부재.
- 청구항 24에 있어서,상기 내화금속의 세미카바이드층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Wm/Ws를 X라 할 때, X가 5 이하(여기서, Wm과 Ws는 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 슬릿 부재.
- 청구항 23에 있어서,상기 모재의 함유량 Ww와, 상기 세미카바이드층 포함 코팅구조로서 내화금속의 세미카바이드 층을 구성하는 결정구조의 함유량 Wm과, 상기 내화금속의 모노카바이드층을 구성하는 결정구조의 함유량 Ws의 중량비율 Ww:Wm:Ws는 90 내지 95: 0.8 내지 4: 9.2 내지 1(여기서, Ww, Wm과 Ws은 EBSD(Electron Back-Scattered Diffraction)법에 의한 다상 해석에 의해 구해진 값이다)인 것을 특징으로 하는 이온주입기용 슬릿 부재.
- 청구항 23에 있어서,상기 세미카바이드 포함 코팅층은 최소 층 두께가 2㎛ 이상이고 최대 층 두께가 300㎛ 이하인 것을 특징으로 하는 이온주입기용 슬릿 부재.
- 청구항 23의 이온주입기용 슬릿 부재를 포함하는 이온발생장치.
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US15/742,283 US10573486B2 (en) | 2015-07-07 | 2016-06-10 | Repeller, cathode, chamber wall and slit member for ion implanter and ion generating devices including the same |
EP16821544.0A EP3316277A4 (en) | 2015-07-07 | 2016-06-10 | DEVICE FOR ION IMPLANTER, CATHODE, CHAMBER WALL, SLOT ELEMENT AND ION GENERATING DEVICE THEREWITH |
JP2018519662A JP6539414B2 (ja) | 2015-07-07 | 2016-06-10 | イオン注入器用リペラー、カソード、チャンバーウォール、スリット部材、及びこれを含むイオン発生装置 |
CN201680039789.9A CN107735850B (zh) | 2015-07-07 | 2016-06-10 | 用于离子注入器的反射极、阴极、腔壁、狭缝构件以及包括以上部件的离子发生装置 |
SG11201710396UA SG11201710396UA (en) | 2015-07-07 | 2016-06-10 | Repeller for ion implanter, cathode, chamber wall, slit member, and ion generating device comprising same |
US16/583,183 US10796878B2 (en) | 2015-07-07 | 2019-09-25 | Repeller, cathode, chamber wall and slit member for ion implanter and ion generating devices including the same |
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KR1020150096700A KR101582631B1 (ko) | 2015-07-07 | 2015-07-07 | 이온주입기용 전자방출 캐소드 및 이온발생장치 |
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KR1020150096699A KR101565916B1 (ko) | 2015-07-07 | 2015-07-07 | 이온주입기용 리펠러 및 이온발생장치 |
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KR1020150096702A KR101582645B1 (ko) | 2015-07-07 | 2015-07-07 | 이온주입기용 슬릿 부재 및 이온발생장치 |
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US16/583,183 Division US10796878B2 (en) | 2015-07-07 | 2019-09-25 | Repeller, cathode, chamber wall and slit member for ion implanter and ion generating devices including the same |
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- 2016-06-10 SG SG11201710396UA patent/SG11201710396UA/en unknown
- 2016-06-10 CN CN201680039789.9A patent/CN107735850B/zh active Active
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Also Published As
Publication number | Publication date |
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JP6539414B2 (ja) | 2019-07-03 |
US20180226218A1 (en) | 2018-08-09 |
US10796878B2 (en) | 2020-10-06 |
EP3316277A1 (en) | 2018-05-02 |
US10573486B2 (en) | 2020-02-25 |
CN107735850B (zh) | 2019-11-01 |
EP3316277A4 (en) | 2019-03-20 |
CN107735850A (zh) | 2018-02-23 |
SG11201710396UA (en) | 2018-01-30 |
JP2018519649A (ja) | 2018-07-19 |
US20200083018A1 (en) | 2020-03-12 |
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