WO2017068625A1 - 成膜装置 - Google Patents
成膜装置 Download PDFInfo
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- WO2017068625A1 WO2017068625A1 PCT/JP2015/079448 JP2015079448W WO2017068625A1 WO 2017068625 A1 WO2017068625 A1 WO 2017068625A1 JP 2015079448 W JP2015079448 W JP 2015079448W WO 2017068625 A1 WO2017068625 A1 WO 2017068625A1
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- raw material
- material solution
- inert gas
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- outlet
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45519—Inert gas curtains
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45574—Nozzles for more than one gas
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45578—Elongated nozzles, tubes with holes
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45595—Atmospheric CVD gas inlets with no enclosed reaction chamber
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
Definitions
- the present invention relates to a film forming apparatus for forming a film on a substrate.
- CVD Chemical Vapor Deposition
- chemical vapor deposition often requires film formation under vacuum, and in addition to a vacuum pump or the like, it may be necessary to use a large vacuum vessel.
- the chemical vapor deposition method has a problem that it is difficult to adopt a substrate having a large area as a substrate for film formation from the viewpoint of cost. Therefore, a mist method capable of forming a film under atmospheric pressure has attracted attention.
- the material solution is ejected from the raw material solution ejection port and the reaction material ejection port provided on the bottom surface of the mist ejection head unit including the mist ejection nozzle and the like, and the substrate is disposed in the atmosphere.
- the raw material solution and the reaction material are injected.
- a predetermined film is formed on the substrate by the jetting.
- the reaction material means a material that contributes to the reaction with the raw material solution.
- the film forming process using the conventional film forming apparatus is a process of forming a predetermined film on a substrate after obtaining a reaction product obtained by reacting a mist material solution and a reaction material. is there.
- the reaction product adheres to the vicinity of the raw material solution outlet and the reaction material outlet of the mist injection head, and the above-described outlet is clogged. There was a problem of end.
- An object of the present invention is to provide a film forming apparatus having a structure of a mist ejection head part that can solve the above-described problems and prevent the occurrence of clogging.
- a film forming apparatus is a film forming apparatus that forms a film on a substrate by injecting a misted raw material solution into the atmosphere, and a placement unit on which the substrate is placed And having the raw material solution outlet, the reaction material outlet and the inert gas outlet on the bottom surface, the raw material solution is injected from the raw material solution outlet onto the substrate placed on the mounting portion.
- FIG. 2 is a cross-sectional view showing the AA cross-sectional structure of FIG.
- FIG. 3 is a plan view of the mist ejection head unit according to the first embodiment when viewed from the bottom surface side.
- FIG. 3 is an explanatory diagram illustrating an external structure and the like of a base plate portion according to the first embodiment.
- FIG. 6 is a cross-sectional view showing a CC cross-sectional structure of FIG. 5.
- FIG. 5 is a plan view of a mist ejection head unit according to a second embodiment as viewed from the bottom surface side. 6 is an explanatory diagram showing an external structure and the like of a base plate portion according to Embodiment 2.
- FIG. 1 is a cross-sectional view showing a mist ejection head unit 100, which is a main component of a film forming apparatus according to Embodiment 1 of the present invention, and its periphery.
- FIG. 2 is a cross-sectional view showing the AA cross-sectional structure of FIG. In FIGS. 1 and 2 and FIGS. 3 to 8 shown below, XYZ orthogonal coordinate axes are also shown.
- the film forming apparatus of Embodiment 1 forms a film on the substrate 23 by injecting the misted raw material solution into the atmosphere by the mist injection head unit 100. That is, the film forming apparatus is an apparatus that forms a desired film on the substrate 23 by a mist method that is a film forming process in the atmosphere.
- the raw material solution is stored in a container (not shown), and the raw material solution is misted using ultrasonic vibration in the container. Then, the misted raw material solution is transported to the mist ejection head unit 100 through a path (not shown) together with the carrier gas.
- a substrate 23 is disposed on the mounting portion 24 which is also a heater. That is, the mounting unit 24 can heat the substrate 23.
- the mist ejection head unit 100 is disposed above the substrate 23.
- the top surface of the substrate 23 and the bottom surface of the mist ejection head unit 100 are arranged to face each other with a predetermined distance.
- the distance between the bottom surface of the mist ejection head unit 100 and the top surface of the substrate 23 is set to about 0.1 mm to 50 mm.
- the mist ejection head unit 100 and the substrate 23 are disposed under atmospheric pressure.
- a space formed between the bottom surface of the mist ejection head unit 100 and the top surface of the substrate 23 is referred to as a “reaction space”.
- the mist ejection head unit 100 ejects the misted raw material solution onto the substrate 23 heated at a predetermined temperature by the mounting unit 24. As a result, a desired film is formed on the upper surface of the substrate 23.
- the placement unit 24 moves in the horizontal direction (a predetermined direction defined in the XY plane). Alternatively, the mist ejection head unit 100 moves in the horizontal direction.
- the mist injection head unit 100 includes a raw material solution injection nozzle unit N1, two reactive material injection nozzle units N2 and N3, an exhaust nozzle unit N4, and a base plate unit 20.
- the reactive material injection nozzle portion N3, the raw material solution injection nozzle portion N1, the reactive material injection nozzle portion N2, and the exhaust nozzle portion N4 are arranged in this order along the X direction.
- the reactive material injection nozzle portion N2, the raw material solution injection nozzle portion N1, the reactive material injection nozzle portion N3, and the exhaust nozzle portion N4 are arranged in this order along the X direction. May be arranged.
- the raw material solution injection nozzle portion N1 and the reactive material injection nozzle portions N2 and N3 are provided via inert gas injection portions 82 and 83, but the side surface of the reactive material injection nozzle portion N2 and the exhaust It is separated from the side surface of the nozzle part N4 by a predetermined distance. That is, the raw material solution injection nozzle portion N1 and the reactive material injection nozzle portions N2 and N3 are disposed without gaps along the X direction (horizontal direction) via the inert gas injection portions 82 and 83.
- the exhaust nozzle portion N4 is arranged away from the other nozzle portions N1 to N3 in the X direction (with a space).
- the raw material solution injection nozzle portion N1, the reactive material injection nozzle portions N2 and N3, and the exhaust nozzle portion N4 are arranged side by side in the horizontal direction (X direction).
- at least the exhaust nozzle portion N4 is located on the outermost side (the right end (+ X direction) in FIG. 1) of the mist ejection head portion 100.
- the raw material solution injection nozzle portion N1 is a nozzle that injects the misted raw material solution from the raw material solution outlet 15 formed on the bottom surface.
- a hollow portion 11 (first hollow portion) is formed inside the raw material solution injection nozzle portion N1.
- a raw material solution supply unit 1 is disposed on the upper surface of the raw material solution injection nozzle unit N1. As described above, the raw material solution is misted outside the mist ejection head unit 100. The misted raw material solution is transported to the raw material solution supply unit 1 through a path (not shown) together with the carrier gas. The misted raw material obtained from the raw material solution supply part 1 is filled (supplied) into the cavity 11 in the raw material solution injection nozzle part N1.
- a plurality of rectifying units 6 are disposed on both side surfaces in the hollow portion 11 of the raw material solution injection nozzle unit N1.
- the rectifying unit 6 is a rectifying plate, and can adjust the flow of the mist material solution supplied from the raw material solution supply unit 1 in the cavity 11. More specifically, a plurality of rectangular rectification sections 6 in a plan view are arranged along the XY plane from opposite side surfaces facing each other in the cavity portion 11 while alternately changing the respective formation heights.
- the plurality of rectifying units 6 are configured such that gaps are formed between the opposing side surfaces without reaching the opposing side surfaces.
- the main part of the hollow part 11 is provided below the plurality of rectifying parts 6.
- the small space (of the cavity 11) above the plurality of rectification units 6 is connected to the cavity 11 (the main part thereof) through a gap formed by the plurality of rectification units 6. Connected to the raw material solution discharge section 41.
- the raw material solution discharge portion 41 is disposed on one side surface portion (the side surface on the left ( ⁇ X direction) side in FIG. 1) in the cavity portion 11. Moreover, the raw material solution discharge part 41 is arrange
- the raw material solution ejection port 15 is disposed on the bottom surface of the mist ejection head unit 100, that is, the surface corresponding to the upper surface of the substrate 23 of the mist ejection head unit 100.
- the misted raw material solution is jetted to the upper surface of the substrate 23.
- a passage 61 extending in the Z direction is disposed in the mist ejection head unit 100.
- the raw material solution discharge part 41 is connected to the raw material solution outlet 15 via a passage 61.
- FIG. 3 is a plan view of the mist ejection head unit 100 as viewed from the side where the substrate 23 is disposed ( ⁇ Z direction side). That is, FIG. 3 is a plan view showing the bottom structure of the mist ejection head unit 100. As shown in the figure, the bottom surface of the mist ejection head unit 100 has a rectangular shape defined by the X direction (second direction) and the Y direction (first direction).
- the raw material solution ejection port 15 has a slit shape which is an elongated opening hole having a longitudinal direction as a Y direction (first direction) in plan view. Note that the width of the opening of the raw material solution outlet 15 (dimension in the X direction in FIG. 3) is about 0.1 mm to 10 mm.
- the mist-formed raw material solution is supplied from the raw material solution supply portion 1 into the cavity portion 11. Then, the raw material solution is rectified by the plurality of rectification units 6, filled into a small space above the plurality of rectification units 6, guided to the cavity 11, and filled in the cavity 11. Thereafter, the raw material solution that has been mist is introduced from the raw material solution discharge section 41 to the raw material solution outlet 15 via the passage 61. The misted raw material solution is ejected from the raw material solution ejection port 15 toward the upper surface of the substrate 23.
- the reactive material injection nozzles N2 and N3 have the same configuration except that the first and second reactive materials to be injected are independent from each other and the formation position.
- the description of the reactive material injection nozzle portion N3 will be added and described as appropriate.
- reaction material injection nozzles N2 and N3 Between the reaction material injection nozzles N2 and N3, a plurality of rectification units 7 and 8, reaction material supply units 2 and 3, cavities 12 and 13, reaction material discharge units 42 and 43, passages 62 and 63, and The reactant outlets 16 and 17 (first and second reactant outlets) correspond to each other.
- the first and second reaction materials used in the reaction material injection nozzles N2 and N3 may be the same or different.
- the reactive material injection nozzle portion N2 is a nozzle that ejects a reactive material (for example, an oxidizing agent) that contributes to the reaction with the raw material solution to the substrate 23.
- the reactive material injection nozzle portion N2 has a cavity 12 (second cavity) formed therein.
- a reactive material supply unit 2 is disposed on the upper surface of the reactive material injection nozzle N2.
- the reaction material (first reaction material) is supplied from outside the reaction material injection nozzle portion N2 into the cavity portion 12 via the reaction material supply portion 2.
- the reactive material (second reactive material) enters the cavity portion 13 from outside the reactive material injection nozzle portion N3 via the reactive material supply portion 3 provided on the upper surface. Supplied with.
- the first and second reaction materials may be gas or liquid.
- the liquid (reactive material) that has been misted using ultrasonic vibration or the like passes through a path (not shown) together with the carrier gas into the reactive material injection nozzle portion N2 (N3). It is conveyed.
- the first reaction material (second reaction material) obtained from the reaction material supply unit 2 (3) is filled (supplied) into the cavity 12 (13) in the reaction material injection nozzle unit N2 (N3). )
- a plurality of rectification units 7 are disposed in the cavity 12 of the reactive material injection nozzle unit N2.
- the rectifying unit 7 is a rectifying plate and can mainly adjust the flow of the reaction material supplied from the reaction material supply unit 2 in the cavity 12.
- a plurality of rectifying sections 7 having a rectangular shape in a plan view are disposed along the XY plane from opposite side surfaces facing each other in the hollow portion 12 while alternately changing the respective formation heights.
- the plurality of rectifying units 7 are configured such that gaps are formed between the opposing side surfaces without reaching the opposing side surfaces.
- the small space (of the cavity portion 12) above the plurality of rectifying portions 7 (8) and the main portion of the cavity portion 12 (13) include a plurality of rectifying portions 7. They are connected through the gap formed by (8).
- the small space is connected to the reaction material supply unit 2 (3), and the cavity 12 (13) is connected to a reaction material discharge unit 42 (43) described later.
- the reaction material discharge portion 42 is disposed on one side surface portion (the side surface on the left ( ⁇ X direction) side in FIG. 1) in the cavity portion 12.
- the reactive material discharge part 42 is disposed at a position away from the bottom surface of the reactive material injection nozzle part N2 (cavity part 12).
- the reaction material ejection port 16 is disposed on the bottom surface of the mist ejection head unit 100, that is, on the side facing the substrate 23 of the mist ejection head unit 100.
- the reaction material is ejected from the reaction material ejection port 16 toward the upper surface of the substrate 23.
- each of the reactant outlets 16 and 17 has a slit shape which is an elongated opening hole having a longitudinal direction as a Y direction (first direction) in plan view. Note that the width of each opening of the reactant outlets 16 and 17 (the dimension in the X direction in FIG. 3) is about 0.1 mm to 10 mm.
- the reactive material injection nozzle portion N2 (N3) the reactive material is supplied from the reactive material supply portion 2 (3) into the cavity portion 12 (13). And the said reaction material is rectified by the several rectification
- the exhaust nozzle portion N4 is a nozzle that performs exhaust processing.
- the exhaust nozzle portion N4 has a flow rate (Q1) at which the raw material solution injection nozzle portion N1 ejects the raw material solution, and a flow rate at which the reactive material ejection nozzle portion N2 (N3) ejects the reactive material (Q2 and Exhaust treatment is performed at a flow rate (Q4) equal to or higher than the sum of Q3). That is, ⁇ exhaust flow rate Q4 ⁇ raw material solution ejection flow rate Q1 + reactive material ejection flow rate Q2 + Q3 ⁇ .
- a hollow portion 14 (third hollow portion) is formed inside the exhaust nozzle portion N4. Further, an exhaust outlet portion 4 is disposed on the upper surface of the exhaust nozzle portion N4. The exhaust outlet portion 4 is disposed on the upper surface of the exhaust nozzle portion N4. Specifically, the exhaust outlet portion 4 is disposed above an exhaust material introduction portion 44 described later, and exhaust gas is exhausted from the cavity portion. Discharge out of the nozzle unit N4.
- exhaust refers to reaction residues from the reaction space.
- the exhaust outlet 4 is connected to an exhaust pump (not shown) via a route (not shown). That is, the exhaust is sucked from the exhaust nozzle portion N4 to the exhaust pump through the exhaust outlet portion 4 and the path.
- a plurality of rectification units 9 are disposed in the cavity 14 of the exhaust nozzle unit N4.
- the rectifying unit 9 is a rectifying plate, and can mainly regulate the flow of the exhaust to be discharged from the exhaust outlet 4 in the cavity 14.
- a plurality of rectifying sections 9 having a rectangular shape in a plan view are arranged along the XY plane from opposite side surfaces facing each other in the cavity portion 14 while alternately changing the respective formation heights.
- the plurality of rectifying units 9 are configured so that gaps are formed between the opposing side surfaces without reaching the opposing side surfaces.
- the hollow portion 14 divides the hollow portion 14 of the exhaust nozzle portion N4 into a plurality of small spaces by the arrangement of the plurality of rectifying portions 9.
- the adjacent small spaces are connected through a small gap formed by the plurality of rectifying units 9.
- the plurality of small spaces include a small space (of the hollow portion 14) located at the uppermost portion of the exhaust nozzle portion N4, and the lower portion of the plurality of rectifying portions 9 is a main portion of the hollow portion 14.
- the small spaces above the plurality of rectifying units 9 are connected to the exhaust outlet 4, and the cavity 14 (the main part thereof) is connected to an exhaust introduction unit 44 described later.
- the exhaust material introducing portion 44 is disposed on the other side surface portion in the cavity portion 14. Further, the exhaust material introducing portion 44 is disposed at a position away from the bottom surface of the cavity portion 14 of the exhaust nozzle portion N4.
- the mist ejection head unit 100 is provided with an exhaust port 18 on the bottom surface of the mist ejection head unit 100, that is, the bottom surface of the reactive material ejection nozzle unit N2.
- the exhaust port 18 performs an exhaust process on the reaction space.
- a passage 64 is disposed along the Y direction.
- the exhaust material introduction part 44 is connected to the exhaust port 18 via a passage 64.
- the exhaust port 18 has a slit shape which is a long and narrow opening hole with the longitudinal direction Y direction (first direction) in plan view.
- the width of the opening of the exhaust port 18 (dimension in the X direction in FIG. 3) is about 0.1 mm to 10 mm.
- the inert gas injection unit 81 is disposed in the frame 30 or a region adjacent to the frame 30. Has been.
- the mist injection head part 100 includes an inert gas injection part 82, a raw material solution injection nozzle part N1, between the raw material solution injection nozzle part N1 and the reactive material injection nozzle part N3.
- An inert gas injection portion 83 is provided between the reactive material injection nozzle portions N2.
- the inert gas injection unit 81 mainly includes an inert gas supply unit 51, a passage 71, and an inert gas outlet 191.
- the inert gas injection unit 82 mainly includes an inert gas supply unit 52, a passage 72, and an inert gas jet.
- the outlet 192 (second inert gas outlet) is configured, and the inert gas injection unit 83 mainly includes an inert gas supply unit 53, a passage 73, and an inert gas outlet 193 (first inert gas outlet). Consists of.
- the inert gas introduced from the outside into the inert gas supply unit 52 passes through the passage 72, and the mist injection head unit 100 (inert gas injection unit 82). Are ejected from an inert gas ejection port 192 formed on the bottom surface of the gas.
- the inert gas supply units 51 and 53 are formed on the bottom surface of the mist injection head unit 100 (inert gas injection units 81 and 83) via the passages 71 and 73.
- An inert gas is ejected from the ejection ports 191 and 193.
- nitrogen, argon, etc. can be considered as an inert gas.
- the inert gas supply parts 51 to 53 communicate with the inert gas outlets 191 to 193.
- the opening areas of the inert gas supply parts 51 to 53 are the opening areas of the inert gas outlets 191 to 193, respectively. It is desirable to set it above.
- the flow rate at which the inert gas is jetted from the inert gas jets 191 to 193 is the same as the flow rate at which the raw material solution is jetted from the raw material solution jet port 15 and the reactive material is jetted from the reactive material jets 16 and 17. It is desirable to set each flow rate below.
- inert gas injection units 82 and 83 have the same overall configuration except for the formation position and the reaction material used.
- the inert gas introduced into the two inert gas supply units 55 provided at both ends in the Y direction is formed on the bottom surface of the mist ejection head unit 100 through the passages 75.
- the two inert gas outlets 195 are ejected.
- the inert gas outlet 195 is disposed in the frame portion 30 or the region adjacent to the frame portion 30 described above.
- the inert gas sent from the outside of the mist injection head unit 100 via the inert gas supply units 51 to 53 and the inert gas supply unit 55 of the inert gas injection units 81 to 83 is It is supplied into the mist ejection head unit 100.
- the passages 71 to 73 and the passage 75 are disposed in the mist ejection head unit 100, and the supplied inert gas propagates through the passages 71 to 73 and the passage 75.
- the inert gas outlets 191 to 193 and the inert gas outlet 195 are disposed on the bottom surface (side facing the substrate 23) of the mist injection head unit 100, and are connected to the inert gas outlets 191 to 193 and the inert gas outlets. An inert gas is injected from the gas outlet 195 toward the upper surface of the substrate 23.
- FIG. 4 is an explanatory diagram showing an external structure and the like of the base plate portion 20 viewed from the Y direction.
- FIG. 6A is a side view of the mist ejection head unit 100 viewed from the left side ( ⁇ X direction), and
- FIG. 5B is a front view of the mist ejection head unit 100 viewed from the front (+ Y direction).
- 4A is a cross-sectional view shown in FIG.
- the mist ejection head unit 100 includes a base plate unit 20.
- the base plate portion 20 closes the blow-off portion 58 from the side where the substrate 23 is disposed (see FIGS. 1, 3 and 4B).
- An exhaust nozzle portion N4 is provided on the upper surface of the base plate portion 20.
- an inert gas supply unit 54 (see FIG. 4 (b)), a passage, and the like are provided in the base plate portion 20 of the mist ejection head unit 100 of the first embodiment.
- 74 (see FIG. 1 and FIG. 3) and a plurality of inert gas outlets 194 (third inert gas outlets) are provided.
- the inert gas sent from the outside of the mist ejection head unit 100 is supplied to the base plate unit 20 via the inert gas supply unit 54.
- the passage 74 is disposed in the base plate portion 20, and the supplied inert gas propagates in the passage 74.
- the plurality of inert gas jets 194 are disposed on the bottom surface (side facing the substrate 23) of the base plate portion 20, and the inert gas is directed from the plurality of inert gas jets 194 toward the upper surface of the substrate 23. Is injected.
- each of the inert gas outlets 191 to 194 has a slit shape which is an elongated opening hole having a longitudinal direction as a Y direction (first direction) in plan view.
- the inert gas ejection port 195 has a slit shape which is an elongated opening hole having a longitudinal direction as an X direction (second direction) in plan view.
- the widths of the openings of the inert gas outlets 191 to 195 are the dimensions in the X direction of FIGS. 5 and 6, and the inert gas outlet 195 is that of FIGS. 5 and 6.
- the dimension on the Y direction side) is about 0.1 mm to 10 mm.
- the inert gas outlet 192 (second inert gas outlet) is provided between the raw material solution outlet 15 and the reactive material outlet 17 (second reactive material outlet), and the inert gas outlet is provided.
- the outlet 193 (first inert gas outlet) is provided between the raw material solution outlet 15 and the reaction material outlet 16 (first reaction material outlet). That is, in the mist jet head unit 100 of the first embodiment, the inert gas jet ports 193 and 192 are provided between the raw material solution jet port 15 and the reaction material jet ports 16 and 17.
- a temperature adjustment mechanism 22 is disposed inside the base plate portion 20 of the first embodiment shown in FIG. 1 and FIG.
- the temperature adjustment mechanism 22 can adjust the temperature in the base plate unit 20. Specifically, it is realized by providing a refrigerant and a heater in the hole that constitutes the temperature adjusting mechanism 22.
- the reaction material outlet 17, the raw material solution outlet 15, the reaction material outlet 16, and the exhaust port 18 are arranged in the X direction in this order.
- the reactive material jet port 16, the raw material solution jet port 15, the reactive material jet port 17 and the exhaust port 18 may be arranged in the X direction in this order.
- the bottom surface of the raw material solution jet nozzle portion N1, the bottom surfaces of the reactive material jet nozzle portions N2 and N3, and the bottom surface of the base plate portion 20 are flush with each other. Configured to be. Accordingly, the raw material solution outlet 15, the reaction material outlets 16 and 17, and the inert gas outlets 192 to 194 are provided on the same bottom surface in the mist injection head unit 100.
- the mist ejection head unit 100 has a frame portion 30 of the mist ejection head unit 100 on the side (bottom surface) facing the substrate 23.
- the frame portion 30 is a portion in the vicinity of the edge of the bottom surface of the mist ejection head portion 100 and is a portion that is edged so as to surround the inside of the bottom surface of the mist ejection head portion 100 from the periphery.
- the frame portion 30 protrudes toward the substrate 23 side. This protrusion length is set to 0.1 to 10 mm, for example.
- reaction space is enclosed by the frame 30.
- substrate 23 are not contacting.
- the temperature adjustment mechanism 22 is disposed in each of the raw material solution injection nozzle unit N1 and the reaction material injection nozzle units N2 and N3, similarly to the base plate unit 20. Has been.
- the inert gas injection unit 83 (first inert gas injection unit) is provided between the raw material solution injection nozzle unit N1 and the reactive material injection nozzle unit N2.
- the inert gas injection part 82 (second inert gas injection part) is provided between the raw material solution outlet 15 and the reactive material injection nozzle part N3.
- the mist injection head unit 100 of the first embodiment having the above-described configuration includes an inert gas injection port by combining the raw material solution injection nozzle unit N1, the reactive material injection nozzle units N2 and N3, and the inert gas injection units 82 and 83. 193 and 192 are provided between the raw material solution outlet 15 and the reaction material outlets 16 and 17.
- the reaction product is generated in the vicinity of the raw material solution outlet 15 and in the vicinity of the reaction material outlets 16 and 17 by the injection of the inert gas from the inert gas outlets 192 and 193. It can reduce the adhesion of objects. As a result, there is an effect that the clogging of the raw material solution outlet 15 and the reaction material outlets 16 and 17 can be surely avoided.
- the jet outlets 15 to 17 and the inert gas jet outlets 191 to 194 formed on the bottom surface of the mist jet head unit 100 according to the first embodiment are slit-like with the first direction (Y direction) as the longitudinal direction. It is formed. Therefore, the misted raw material solution can be sprayed evenly on the large-area substrate 23.
- the placement unit 24 or the mist ejection head unit 100 is movable in the horizontal direction. Therefore, the film forming process using the film forming apparatus (mist ejection head unit 100) according to the present embodiment can be performed on the entire surface of the substrate 23 having a large area.
- reaction material can be sprayed evenly on the upper surface of the substrate 23 having a large area by forming the reaction material ejection port 16 (17) in a slit shape.
- exhaust treatment can be performed over a wider range by forming the exhaust port 18 in a slit shape.
- the flow of the raw material solution or the like in the X direction toward the exhaust port 18 can be made uniform.
- the opening areas of the inert gas supply units 51 to 53 are larger than the opening areas of the inert gas outlets 191 to 193, that is, the inert gas outlets 191 to 193.
- a pressure difference can be set between the inert gas outlet 191 and the inert gas supply unit 51. There is an effect that the inert gas can be spread uniformly on the upper surface of the substrate 23 during film formation.
- the flow rate at which the inert gas is jetted from the inert gas jet ports 192 and 193, the flow rate at which the raw material solution is jetted from the raw material solution jet port 15, and the reaction material are set as follows.
- the film forming apparatus of the first embodiment can suppress the phenomenon of hindering the reaction between the raw material solution and the reaction material due to the ejection of the inert gas.
- the mist jet head portion 100 of the film forming apparatus according to Embodiment 1 has a raw material solution jet nozzle portion N1.
- the raw material solution injection nozzle portion N1 is provided with a raw material solution discharge portion 41 on one side surface in a position away from the bottom surface of the hollow portion 11 in the hollow portion 11.
- the particles are discharged from the bottom surface of the hollow portion 11 to the raw material solution discharge portion 41. Trapped in the area between. That is, the region in the hollow portion 11 functions as a particle trap, and particles can be prevented from being captured and transported to the raw material solution discharge portion 41, the passage 61, and the raw material solution ejection port 15 in the region. . Therefore, it is possible to prevent clogging due to particles adhering to each of the portions 41, 61, and 15.
- the arrangement of the plurality of rectifying units 6 can be omitted, but the plurality of rectifying units 6 are arranged in the cavity 11 in the raw material solution injection nozzle unit N1.
- the flow of the misted raw material solution in the cavity 11 can be adjusted, and the capture of particles in the above-mentioned region functioning as a particle trap can be made more reliable.
- the side part to which the lowermost rectification part 6 is attached among the plurality of rectification parts 6 and the side face on which the raw material solution discharge part 41 is disposed are the same (both are one side part ( Left side)). Accordingly, it is possible to prevent the liquid droplets or the like from flowing to the raw material solution discharge unit 41 along one side surface portion.
- the arrangement of the reactive material injection nozzles N2 and N3 can be omitted, but the mist injection head unit 100 has the reactive material injection nozzles N2 and N3. Therefore, the reaction can be promoted in the film formation process in the atmosphere. In addition, a wide variety of films can be formed.
- the mist jet head portion 100 of the first embodiment has two reactive material jet nozzle portions N2, N3.
- the raw material solution injection nozzle portion N1 includes a reaction material injection nozzle portion N2 (first reaction material injection nozzle portion), a reaction material injection nozzle portion N3 (second reaction material injection nozzle portion), and Is sandwiched from the side.
- reaction materials can be ejected into the reaction space. Therefore, various films can be formed on the substrate 23. Further, when the same reactive material is ejected from the reactive material ejection nozzles N2 and N3, the deposition rate of a desired film on the substrate 23 can be improved.
- the reactive material injection nozzles N2 and N3 each have a temperature adjusting mechanism 22. Therefore, for example, it is possible to evaporate the liquid droplets accumulated in the reactive material injection nozzles N2 and N3. Therefore, the evaporated reaction material can be used as a reaction material to be ejected from the reaction material ejection nozzles N2 and N3.
- the temperature adjusting mechanism 22 is also provided in the raw material solution injection nozzle portion N1. Therefore, for example, the mist state of the raw material solution can be maintained. That is, it is possible to prevent the raw material solution droplets ejected from the raw material solution ejecting nozzle portion N ⁇ b> 1 from becoming large and dropping the raw material solution that has become large droplets onto the upper surface of the substrate 23.
- a plurality of inert gas jets 194 for injecting an inert gas onto the substrate 23 are disposed on the bottom surface of the base plate part 20. Therefore, the raw material solution or the like existing below the base plate portion 20 can be pressed onto the upper surface of the substrate 23. Therefore, the utilization efficiency of the raw material solution and the like can be improved.
- the base plate unit 20 has a temperature adjustment mechanism 22. Therefore, the mist state of the raw material solution or the like in the reaction space can be maintained. Further, it is possible to prevent the droplets from adhering to the base plate portion 20. Furthermore, the film formation reaction on the substrate 23 can be promoted.
- inert gas ejection ports 191 and 195 for injecting an inert gas to the substrate 23 are disposed in the frame portion 30 of the mist ejection head unit 100 or in the vicinity of the frame portion 30. Therefore, the reaction space can be surrounded by the inert gas, and the raw material solution and the like can be prevented from diffusing from the reaction space.
- the reactive material injection nozzle portion N2 (N3) is provided with a reactive material discharge portion 42 (43) on one side surface in a position away from the bottom surface of the hollow portion 12 in the hollow portion 12 (13). Has been.
- the particles are generated from the bottom surface of the hollow portion 12. It is trapped in the region between the reaction material discharge part 42 (43). That is, the region in the hollow portion 12 (13) functions as a particle trap, and particles are captured in the region, and the reaction material discharge unit 42 (43), the passage 62 (63), and the reaction material ejection port 16 are captured. (17) can be prevented from being conveyed. Therefore, it is possible to prevent clogging from occurring due to particles adhering to the portions 42, 62, 16 (43, 63, 17).
- the arrangement of the plurality of rectification units 7 can be omitted, but the cavity 12 (13) in the reactive material injection nozzle unit N2 (N3) has a plurality of rectification units 7 (8). ) Is arranged.
- a side surface portion to which the lowermost rectifying portion 7 (8) of the plurality of rectifying portions 7 (8) is attached and a reaction material discharge portion 42 (43) are disposed.
- the side is the same (both are disposed on one side (left side)). Therefore, it is possible to prevent the liquid droplets or the like from flowing to the reaction material discharge part 42 (43) along the one side part.
- the arrangement of the exhaust nozzle portion N4 can be omitted, but the mist ejection head portion 100 has the exhaust nozzle portion N4. Accordingly, it is possible to create a flow of the raw material solution and the reaction material that moves to the exhaust nozzle portion N4. Therefore, the flow of the raw material solution or the like in the reaction space can be prevented from being disturbed, and the film quality of the film to be formed can be improved. Moreover, it can suppress that a raw material solution diffuses outside from reaction space.
- the flow rate is controlled so as to satisfy ⁇ exhaust flow rate Q4 ⁇ raw material solution ejection flow rate Q1 + reactive material ejection flow rate Q2 + Q3 ⁇ . Therefore, the raw material solution and the two reaction materials injected into the reaction space can make the flow in the reaction space more reliable. Moreover, it can prevent reliably that a raw material solution and two reaction materials diffuse outside from reaction space.
- the reactive material injection nozzle N3, the raw material solution injection nozzle N1, the reactive material injection nozzle N2 and the exhaust nozzle N4 are arranged side by side in the X direction (horizontal direction), and at least for exhaust
- the nozzle portion N4 is located on the outermost side of the mist ejection head portion 100.
- the raw material solution and the two reaction materials move to the outermost side of the mist jet head unit 100. Therefore, the region where the raw material solution and the reaction material are in contact with the substrate 23 is maximized, and unreacted material solution or the like in the reaction space can be minimized.
- the exhaust nozzle portion N4 has an exhaust gas introduction portion 44 disposed on the other side surface in a position away from the bottom surface of the cavity portion 14 in the cavity portion 14.
- the exhaust material taken into the cavity portion 14 from the exhaust material introduction portion 44 is trapped in a region in the cavity portion 14 from the bottom surface to the exhaust material introduction portion 44. That is, the region in the cavity portion 14 functions as a particle trap, and exhaust gas having a large particle size is captured in the region, and the exhaust material having a large particle size flows before the exhaust gas outlet portion 4. Can be prevented. Thereby, the lifetime of the filter arrange
- the arrangement of the plurality of rectification units 9 can be omitted, but the plurality of rectification units 9 are arranged in the cavity portion 14 in the exhaust nozzle portion N4.
- the mist ejection head unit 100 has a base plate unit 20 that closes the blow-through unit 58 from the substrate 23 side. Therefore, even if the exhaust nozzle portion N4 is arranged away from the other nozzle portions N1 to N3, the raw material solution or the like can be prevented from flowing from the reaction space to the blow-through portion 58. In addition, the exhaust nozzle unit N4 and the other nozzle units N1 to N3 can be easily assembled in the mist ejection head unit 100.
- the frame part 30 of the mist ejection head part 100 protrudes toward the substrate 23 side. Therefore, the reaction space can be surrounded and the raw material solution and the like can be prevented from diffusing from the reaction space.
- FIG. 5 is a cross-sectional view showing a configuration of a mist ejection head unit 100B in the film forming apparatus according to the second embodiment.
- FIG. 6 is a cross-sectional view showing the CC cross-sectional structure of FIG.
- FIG. 7 is a plan view showing a bottom structure of the mist ejection head portion 100B.
- FIG. 8 is an explanatory view showing an external structure and the like of the base plate portion 20B viewed from the Y direction.
- 8A is a side view of the mist ejection head unit 100B viewed from the left side ( ⁇ X direction), and
- FIG. 8B is a front view of the mist ejection head unit 100B viewed from the front (+ Y direction).
- 8A is a cross-sectional view shown in FIG.
- the mist ejection head unit 100 according to the first embodiment has two reactive material ejection nozzles N2 and N3.
- the reactive material injection nozzle unit N3B is integrated into one, and from the reactive material injection ports 16B and 17B provided on the bottom surface of the reactive material injection nozzle unit N3B, A configuration in which the first and second reaction materials are ejected is realized.
- the structure which the raw material solution mist-ized from the raw material solution jet nozzle 15B provided in the bottom face of the nozzle part N3B for reactive material injection is ejected is implement
- the reactive material jet nozzle portions N2 and N3 are mainly replaced with the reactive material jet nozzle portion N3B, a raw material solution
- the injection nozzle portion N1 is replaced with a raw material solution injection nozzle portion N1B.
- the mist ejection head unit 100B according to the second embodiment will be described with a focus on components that are different from the mist ejection head unit 100 according to the first embodiment, and the same components as those in the first embodiment will be denoted by the same reference numerals. The description will be omitted as appropriate.
- the mist jet head portion 100B includes a reactive material jet nozzle portion N3B, a raw material solution jet nozzle portion N1B, and an exhaust nozzle portion N4.
- the reactive material injection nozzle portion N3B, the raw material solution injection nozzle portion N1B, and the exhaust nozzle portion N4 are arranged in this order along the X direction (horizontal direction).
- the side surface of the raw material solution injection nozzle portion N1B and the side surface of the reactive material injection nozzle portion N3B are in contact with each other. However, there is a predetermined distance between the side surface of the raw material solution injection nozzle portion N1B and the side surface of the exhaust nozzle portion N4. That is, the reactive material injection nozzle portion N3B and the raw material solution injection nozzle portion N1B are adjacent to each other in the X direction, but the exhaust nozzle portion N4 is separated from the other nozzle portions N1 and N3B in the X direction. Has been placed.
- the reactive material injection nozzle portion N3B, the raw material solution injection nozzle portion N1B, and the exhaust nozzle portion N4 are arranged side by side in the X direction (horizontal direction).
- at least the exhaust nozzle portion N4 is located on the outermost side (right end (+ X direction side in FIG. 5)) of the mist ejection head portion 100B.
- the mist ejecting head unit 100B ejects a mist material solution or the like onto the upper surface of the substrate 23 heated by the mounting unit 24 at a predetermined temperature. As a result, a desired film is formed on the upper surface of the substrate 23. In the film forming process, the placement unit 24 moves in the horizontal direction (in the XY plane). Alternatively, the mist ejection head unit 100B moves in the horizontal direction.
- the raw material solution injection nozzle portion N1B is a nozzle that injects the misted raw material solution from the raw material solution outlet 15B formed on the bottom surface of the reactive material injection nozzle portion N3B.
- a hollow portion 11 one hollow portion
- a hollow portion 12B the other hollow portion
- the raw material solution supply portion 1 is disposed on the upper surface of the raw material solution injection nozzle portion N1B.
- a plurality of rectification portions 6 are provided on one side surface portion. Is arranged.
- a hollow portion 11 is provided below the plurality of rectifying portions 6.
- the small spaces above the plurality of rectification units 6 are connected to the cavity 11 through gaps formed by the plurality of rectification units 7, and the cavity 11 is connected to the raw material solution discharge unit 41B.
- the raw material solution discharge part 41B is disposed on one side part (the left side ( ⁇ X direction) side in FIG. 1) of the cavity part 11. Moreover, the raw material solution discharge part 41B is arrange
- the raw material solution injection port 15B is formed not on the raw material solution injection nozzle portion N1B but on the bottom surface of the reactive material injection nozzle portion N3B.
- the misted raw material solution is jetted from the raw material solution jet port 15B provided on the bottom surface of the reactive material jet nozzle portion N3B to the upper surface of the substrate 23.
- the passage 61B (first internal passage) is disposed inside the reactive material injection nozzle portion N3.
- the raw material solution discharge part 41B provided in the raw material solution injection nozzle part N1B is connected to the raw material solution outlet 15B via a passage 61B provided in the reactive material injection nozzle part N3B.
- the bottom surface of the mist ejection head unit 100B has a rectangular shape defined by the X direction (second direction) and the Y direction (first direction).
- the raw material solution ejection port 15B has a slit shape which is an elongated opening hole with the longitudinal direction being the Y direction (first direction) in plan view.
- the width of the opening of the raw material solution outlet 15B (the dimension in the X direction in FIG. 7) is about 0.1 mm to 10 mm.
- the misted raw material solution is supplied from the raw material solution supply part 1 into the cavity part 11. Then, the raw material solution is rectified by the plurality of rectification units 6, filled into a small space above the plurality of rectification units 6, guided to the cavity 11, and filled in the cavity 11. Thereafter, the mist-formed raw material solution is guided from the raw material solution discharge part 41B to the raw material solution jet outlet 15B through the passage 61B of the reactive material injection nozzle part N3B. The misted raw material solution is ejected from the raw material solution outlet 15 ⁇ / b> B toward the upper surface of the substrate 23.
- the raw material solution injection nozzle portion N1B has a hollow portion 12B below the hollow portion 11, and the hollow portion 12B contributes to the reaction with the raw material solution as shown in FIG. 5 and FIG.
- the reaction material supply unit 2B that supplies one reaction material is connected, and the cavity 12B is connected to a reaction material discharge unit 42B described later.
- the reaction material discharge part 42B (first reaction material discharge part) is disposed on one side surface (the left ( ⁇ X direction) side surface in FIG. 1) in the cavity 12B.
- the reactive material discharge part 42B is disposed at a position away from the bottom surface of the reactive material injection nozzle part N2 (cavity part 12B).
- a passage 62B (second internal passage) is disposed in the reactive material injection nozzle portion N3B.
- the reaction material discharge part 42B provided in the nozzle part N1B for raw material solution injection was provided in the bottom face of the nozzle part N3B for reaction material injection through the channel
- the reactive material injection nozzle portion N3B is a nozzle that mainly jets the second reactive material that contributes to the reaction with the raw material solution to the substrate 23.
- One hollow portion 13B is formed in the reactive material injection nozzle portion N3B. As shown in FIG. 5, the cavity 13B is disposed upward (+ Z direction) in the reactive material injection nozzle N3B. Specifically, one hollow portion 13B is provided on the upper side in the reactive material injection nozzle portion N3B.
- the cavity 13B is a space formed independently of other spaces.
- a reaction material supply unit 3B is disposed on the side surface in the Y direction in the cavity 13B.
- the second reaction material is supplied from the outside of the reaction material injection nozzle portion N3B into the one cavity portion 13B through the one reaction material supply portion 3B.
- the first and second reaction materials described above may be gas or liquid.
- the liquid (reactive material) that has been misted using ultrasonic vibration or the like passes through a path (not shown) together with the carrier gas to feed the raw material solution jet nozzle N1B or the reactive material jet. It is conveyed into the nozzle portion N3B.
- the second reaction material output from the reaction material supply unit 3B is filled (supplied) into the cavity 13B in the reaction material injection nozzle unit N3B.
- the functions and operations described in the first embodiment are performed in the hollow portion 12B of the raw material solution injection nozzle portion N1B and the hollow portion 13B of the reactive material injection nozzle portion N3B. That is, even if the flow of the reaction material in the cavities 12B and 13B is adjusted and the reaction material and the atmosphere react to generate particles, the particles are generated from the bottom surfaces of the cavities 12B and 13B.
- 43B may be provided with a rectifying unit having a function and an action for promoting trapping.
- a reaction material discharge portion 43 is disposed on the side surface in the X direction.
- the one reactive material discharge part 43 is arrange
- Reactive material ejection ports 16B and 17B are disposed on the bottom surface of the reactive material ejection nozzle portion N3B.
- the first reaction material supplied from the cavity 12B is supplied to the upper surface of the substrate 23 from the reaction material outlet 16B, and the second reaction material supplied from the cavity 13B is supplied to the upper surface of the substrate 23, respectively. Is ejected.
- a passage 62B and a passage 63 are disposed in the mist injection head portion 100B (in the configuration example of FIG. 5, the reactive material injection nozzle portion N3B). Then, due to the adjacent arrangement of the raw material solution injection nozzle portion N1B and the reactive material injection nozzle portion N3B, the reactive material discharge portion 42B is connected to the reactive material jet port 16B via the passage 62B. On the other hand, in the reactive material injection nozzle portion N3B, the reactive material discharge portion 43B is connected to the reactive material ejection port 17B via a passage 63.
- a raw material solution jet port 15B for jetting the raw material solution to the substrate 23 is disposed on the bottom surface of the reactive material jet nozzle portion N3B.
- the passage 61B connected to the raw material solution discharge part 41B and the raw material solution outlet 15B is arranged in the reactive material injection nozzle part N3B.
- the reaction material ejection port 17B, the raw material solution ejection port 15B, and the reaction material ejection port 16B are provided on the side facing the substrate 23 of the reaction material ejection nozzle unit N3B. They are arranged in the X direction (horizontal direction) in order.
- each of the reaction material ejection ports 17B and 16B and the raw material solution ejection port 15B has a slit shape that is an elongated opening hole having a longitudinal direction in the Y direction in plan view.
- the widths of the reaction material outlets 17B and 16B and the raw material solution outlet 15B are about 0.1 mm to 10 mm.
- the reaction material (first reaction material) discharged from the raw material solution injection nozzle portion N1B is supplied from the reaction material supply portion 2B into the cavity portion 12B in the raw material solution injection nozzle portion N1B. Then, after the first reaction material is filled in the cavity portion 12B, it is discharged from the reaction material discharge portion 42B to the reaction material injection nozzle portion N3B. Thereafter, the reaction material is ejected from the reaction material injection nozzle N3B through the passage 62B to the reaction material injection port 16B provided on the bottom surface of the reaction material injection nozzle N3B. Then, the first reaction material is ejected from one reaction material ejection port 16 ⁇ / b> B toward the upper surface of the substrate 23.
- the reactive material (second reactive material) is supplied from the reactive material supply portion 3B into the hollow portion 13B. Then, after the second reaction material is filled in the cavity portion 13B, the reaction material discharge portion 43 guides the second reaction material to the reaction material ejection port 17B through the passage 63.
- reaction material outlet 17B, the raw material solution outlet 15B, the reaction material outlet 16B, and the exhaust port 18 are arranged in the X direction (horizontal direction) in this order.
- the exhaust nozzle portion N4 is disposed away from the other nozzle portions N3B and N1B in the X direction. Accordingly, a blow-off portion 58 is generated between the exhaust nozzle portion N4 and the other nozzle portions N3B and N1B. Therefore, also in the present embodiment, the mist ejection head portion 100B includes the base plate portion 20B.
- the base plate portion 20B is also arranged from the bottom of the reactive material injection nozzle portion N3B to the bottom of the exhaust nozzle portion N4, thereby closing the blow-through portion 58 from the substrate 23 placement side (FIG. 5, FIG. 5). 7 and FIG. 8 (b) IV).
- the inert gas supply portion 54, the passage 74, and a plurality of inert gases can be injected so that the inert gas can be injected onto the substrate 23.
- An active gas outlet 194 is provided.
- the temperature adjustment mechanism 22 is disposed in the base plate portion 20B of the second embodiment, as in the first embodiment.
- the temperature adjustment mechanism 22 is also provided in the reactive material injection nozzle portion N3B.
- the temperature adjustment for the raw material solution ejection nozzle portion N1B is performed by a part of the temperature adjustment mechanism 22 provided in the base plate portion 20B.
- the mist ejection head unit 100B has the frame unit 30 on the side facing the substrate 23 (bottom surface). Further, as shown in FIG. 5, similarly to the first embodiment, in the second embodiment, the mist injection head unit 100 ⁇ / b> B includes the inert gas supply unit 51 of the inert gas injection unit 81, the passage 71, and the non-discharge. An active gas jet 191, an inert gas supply unit 55, a passage 75, and an inert gas jet 195 are provided.
- the material solution and the reaction material react on the heated substrate 23, and a desired film is formed on the upper surface of the substrate 23. Is done. Note that reaction residues and the like in the reaction space are removed from the reaction space by the exhaust nozzle N4.
- the inert gas ejection unit 81 is adjacent to the frame 30 or the frame 30 as in the first embodiment. Arranged in the area. Further, inert gas injection portions 82B and 83B are formed inside the reactive material injection nozzle portion N3B of the mist injection head portion 100B.
- the inert gas injection unit 81 mainly includes an inert gas supply unit 51, a passage 71, and an inert gas outlet 191.
- the inert gas injection unit 82B mainly includes an inert gas supply unit 52B, a passage 72B, and an inert gas jet.
- the inert gas injection part 83B is mainly composed of an inert gas supply part 53B, a passage 73B, and an inert gas outlet 193B.
- the inert gas injection part 82B is disposed below the cavity part 13B in the reactive material injection nozzle part N3B, and is the main part of the inert gas injection part 83B (inert gas supply part).
- the passage 73B near 53B is formed below the main part of the inert gas injection part 82B (passage 72B near the inert gas supply part 52B).
- the inert gas injection units 82B and 83B are spaces formed independently of other spaces.
- inert gas supply sections 52B and 53B are disposed on the side surfaces in the Y direction in the inert gas injection sections 82B and 83B.
- the inert gas supply parts 52B and 53B are connected to inert gas outlets 192B and 193B formed on the bottom surface of the reactive material injection nozzle part N3B through passages 72B and 73B formed in the reactive material injection nozzle part N3B. Connected.
- the inert gas introduced from the outside into the inert gas supply units 52B and 53B is passed through the passages 72B and 73B to the mist injection head unit. It is ejected from inert gas ejection ports 192B and 193B formed on the bottom surface of 100B.
- the inert gas supply units 51, 52B, and 53B communicate with the inert gas outlets 191, 192B, and 193B.
- the opening areas of the inert gas supply units 51, 52B, and 53B are different from each other.
- 192B and 193B are desirably set to be larger than the respective opening areas.
- the flow rate at which the inert gas is jetted from the inert gas outlets 191, 192B and 193B is the same as the flow rate at which the raw material solution is jetted from the raw material solution jet port 15B and the reaction material is fed from the reactive material jet ports 16B and 17B. It is desirable to set the flow rate of each jet below.
- the inert gas introduced into the two inert gas supply units 55 provided at both ends in the Y direction passes through the passages 75, respectively.
- the gas is ejected from two inert gas ejection ports 195 formed on the bottom surface of the mist ejection head unit 100B.
- the inert gas outlet 195 is disposed in the frame portion 30 or the region adjacent to the frame portion 30 described above.
- the gas is sent from the outside of the mist injection head unit 100B via the inert gas supply units 51, 52B and 53B of the inert gas injection units 81, 82B and 83B and the inert gas supply unit 55.
- the inert gas is supplied into the mist ejection head unit 100B.
- the passages 71, 72 ⁇ / b> B and 73 ⁇ / b> B and the passage 75 are disposed in the mist ejection head unit 100 ⁇ / b> B, and the supplied inert gas propagates through the passages 71, 72 ⁇ / b> B and 73 ⁇ / b> B and the passage 75.
- the inert gas outlets 191, 192B and 193B and the inert gas outlet 195 are disposed on the bottom surface (side facing the substrate 23) of the mist injection head unit 100B, and the inert gas outlets 191, 192B and Inert gas is injected toward the upper surface of the substrate 23 from 193B and the inert gas outlet 195.
- the exhaust nozzle portion N4 is disposed away from the other nozzle portions N1B and N3B in the X direction. Accordingly, a blow-off portion 58 is generated between the exhaust nozzle portion N4 and the other nozzle portions N1B and N3B. Therefore, the mist ejection head portion 100B includes a base plate portion 20B.
- the base plate portion 20B closes the blow-off portion 58 from the side where the substrate 23 is disposed (see FIGS. 5, 7, and 8 (b)).
- an inert gas supply unit 54 (see FIG. 8 (b)), a passage, and the like are provided in the base plate portion 20B of the mist ejection head unit 100B of the second embodiment.
- 74 (see FIGS. 5 and 7) and a plurality of inert gas outlets 194 are provided.
- the inert gas sent from the outside of the mist ejection head part 100B via the inert gas supply part 54 is supplied to the base plate part 20B.
- the passage 74 is disposed in the base plate portion 20 ⁇ / b> B, and the supplied inert gas propagates in the passage 74.
- the plurality of inert gas ejection ports 194 are disposed on the bottom surface (side facing the substrate 23) of the base plate portion 20B, and the inert gas is directed from the plurality of inert gas ejection ports 194 toward the upper surface of the substrate 23. Is injected.
- each of the inert gas outlets 191 to 194 is a slit which is an elongated opening hole whose longitudinal direction is the Y direction (first direction) in plan view.
- the inert gas ejection port 195 has a slit shape which is an elongated opening hole having a longitudinal direction as an X direction (second direction) in plan view.
- the widths of the openings of the inert gas outlets 191 to 195 (inert gas outlets 191 to 194 are the dimensions in the X direction in FIG. 6, and inert gas outlets 195 are the dimensions in the Y direction in FIG. 6). Is about 0.1 mm to 10 mm.
- the inert gas outlet 192 ⁇ / b> B is provided between the raw material solution outlet 15 ⁇ / b> B and the reactive material outlet 17 ⁇ / b> B on the bottom surface of the reactive material injection nozzle portion N ⁇ b> 3 ⁇ / b> B.
- the gas outlet 193B is provided between the raw material solution outlet 15B and the reaction material outlet 16B. That is, the inert gas jets 192B and 193 are provided between the raw material solution jet 15B and the reaction material jets 16B and 17 on the bottom surface of the mist jet head portion 100B of the second embodiment. .
- mist ejection head unit 100B of the second embodiment is configured such that the bottom surface of the reactive material ejection nozzle unit N3B and the bottom surface of the base plate unit 20B are flush with each other. Accordingly, the raw material solution outlet 15B, the reaction material outlets 16B and 17B, and the inert gas outlets 192B, 193B, and 194 are provided on the same bottom surface in the mist injection head unit 100.
- the raw material solution injection nozzle unit N1B injects the misted raw material solution and the first reaction material (reaction material supplied from the reaction material supply unit 2B) into the reaction material.
- the raw material solution discharge parts 41B and 42B can be discharged to the nozzle part N3B.
- the reactive material injection nozzle N3B ejects inert gas from the inert gas outlets 193B and 192B (first and second inert gas outlets), respectively, and the reactive material outlet 17B (second The second reaction material (reaction material supplied from the reaction material supply unit 3B) is ejected from the reaction material outlet.
- the reactive material injection nozzle portion N3B supplies the raw material solution discharged from the raw material solution discharge portions 41B and 42B of the raw material solution injection nozzle portion N1B and the first reaction material to the raw material solution outlet 15B and the reactive material outlet. It has passages 61B and 62B (first and second internal passages) leading to 16B (first reactive material ejection port).
- the mist injection head unit 100B of the second embodiment having the above-described configuration is configured by combining the raw material solution injection nozzle unit N1B and the reactive material injection nozzle unit N3B, and the inert gas outlets 193B and 192B are provided with the raw material solution outlet 15B. And the reaction material jet outlets 16B and 17B.
- the jet outlets 15B to 17B and the inert gas jet outlets 191 to 194 formed on the bottom surface of the mist jet head portion 100B of the second embodiment are slit-shaped with the first direction (Y direction) as the longitudinal direction. It is formed. Therefore, the misted raw material solution can be sprayed evenly on a large-area substrate.
- the placement unit 24 or the mist ejection head unit 100B is movable in the horizontal direction. Therefore, the film forming process using the film forming apparatus (mist ejection head unit 100B) according to the present embodiment can be performed on the entire surface of the substrate 23 having a large area.
- reaction material can be sprayed evenly on the upper surface of the substrate 23 having a large area by forming the reaction material outlet 16B (17B) in a slit shape.
- exhaust treatment can be performed over a wider range by forming the exhaust port 18 in a slit shape.
- the flow of the raw material solution or the like in the X direction toward the exhaust port 18 can be made uniform.
- the opening areas of the inert gas supply units 51, 52B, and 53B are larger than the opening areas of the inert gas outlets 191, 192B, and 193B, that is, the inert gas jets.
- the opening area of each of the outlets 191, 192B and 193B is equal to or less than the opening area of each of the inert gas supply parts 51, 52B and 53B, the inert gas outlets 191, 192B and 193B and the inert gas supply part 51, A pressure difference can be set between 52B and 53B, and the effect that the inert gas can be spread uniformly on the upper surface of the substrate 23 during film formation is achieved.
- the flow rate at which the inert gas is jetted from the inert gas jets 191, 192B and 193B, the flow rate at which the raw material solution is jetted from the raw material solution jet 15B, and The flow rates at which the reaction material is ejected from the reaction material ejection ports 16B and 17B are set to the following values, respectively.
- the film forming apparatus of Embodiment 2 can suppress the phenomenon that inhibits the reaction between the raw material solution and the reaction material due to the ejection of the inert gas.
- the film forming apparatus of the second embodiment has the same effects as the film forming apparatus of the first embodiment and the following effects.
- the mist injection head unit 100B according to Embodiment 2 includes two hollow portions 11 and 12B in one raw material solution injection nozzle unit N1B, and two types of reaction materials are provided from one reaction material injection nozzle unit N3B. And two inert gases are injected toward the substrate 23.
- mist ejection head unit 100B according to the second embodiment is provided with the inert gas ejection units 82B and 83B in one reactive material ejection nozzle unit N3B, the mist ejection head unit 100 according to the first embodiment. As described above, since it is not necessary to provide the inert gas injection units 82 and 83 independently, the mist injection head unit 100B can save space.
- the mist ejection head portion 100B has a base plate portion 20B that closes the blow-through portion 58 from the substrate 23 side, as in the first embodiment. Therefore, even if the exhaust nozzle portion N4 is arranged away from the other nozzle portions N1B and N3B, the raw material solution and the like can be prevented from flowing from the reaction space to the blow-through portion 58. In addition, the exhaust nozzle portion N4 and the other nozzle portions N1B and N3B can be easily assembled in the mist ejection head portion 100B.
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Abstract
Description
(全体構成)
図1は、この発明の実施の形態1である成膜装置の主要構成部であるミスト噴射ヘッド部100及びその周辺を示す断面図である。図2は図1のA-A断面構造を示す断面図である。なお、図1及び図2並びに以降で示す図3~図8において、それぞれXYZ直交座標軸を併記している。
まず、原料溶液噴射用ノズル部N1の構成について説明する。
次に、反応材料噴射用ノズル部N2及びN3(第1及び第2の反応材料噴射用ノズル部)構成について説明する。なお、反応材料噴射用ノズル部N2及びN3は噴射する第1及び第2の反応材料が互いに独立している点及び形成位置を除き、同一構成であるため、以下では反応材料噴射用ノズル部N2を中心に、適宜、反応材料噴射用ノズル部N3の説明を付記して説明する。
次に、排気用ノズル部N4の構成について説明する。
実施の形態1のミスト噴射ヘッド部100の端部(図1の左(-X方向)側端部)において、不活性ガス噴射部81は枠部30または枠部30に隣接する領域に配設されている。
実施の形態1のミスト噴射ヘッド部100は、不活性ガス噴射部83(第1の不活性ガス噴射部)は原料溶液噴射用ノズル部N1と反応材料噴射用ノズル部N2との間に設けられ、不活性ガス噴射部82(第2の不活性ガス噴射部)は原料溶液噴出口15と反応材料噴射用ノズル部N3との間に設けられる。
図5は実施の形態2である成膜装置におけるミスト噴射ヘッド部100Bの構成を示す断面図である。図6は図5のC-C断面構造を示す断面図である。
以下、原料溶液噴射用ノズル部N1B及び反応材料噴射用ノズル部N3Bの構成について説明する。
実施の形態2のミスト噴射ヘッド部100Bの端部(図5の-X方向側端部)において、実施の形態1と同様、不活性ガス噴射部81は枠部30または枠部30に隣接する領域に配設されている。さらに、ミスト噴射ヘッド部100Bの反応材料噴射用ノズル部N3Bの内部に不活性ガス噴射部82B及び83Bが形成されている。
実施の形態2のミスト噴射ヘッド部100Bにおいて、原料溶液噴射用ノズル部N1Bは、ミスト化された原料溶液及び第1の反応材料(反応材料供給部2Bより供給される反応材料)を反応材料噴射用ノズル部N3Bに排出可能な原料溶液排出部41B及び42Bを有している。
なお、上述した実施の形態では、反応材料噴出口16及び17(16B及び17B)から第1及び第2の反応材料を基板23に噴出する構成を示したが、単一の反応材料噴出口から単一の反応材料を噴出させる構成であっても良い。この場合、原料溶液噴出口15(15B)と単一の反応材料噴出口との間に単一の不活性ガス噴出口(不活性ガス噴出口192及び193(192B及び193B)に相当する不活性ガス噴出口)を設ければ、原料溶液噴出口15(15B)及び単一の反応材料噴出口それぞれの目詰まりを確実に回避することができる効果を発揮することができる。
2,2B,3,3B 反応材料供給部
4 排気物出口部
6~9 整流部
11~14,12B及び13B 空洞部
15,15B 原料溶液噴出口
16,16B,17,17B 反応材料噴出口
18 排気口
20,20B ベースプレート部
22 温度調節機構
23 基板
24 載置部
30 枠部
41,41B 原料溶液排出部
42,42B,43 反応材料排出部
44 排気物導入部
51~55,52B,53B 不活性ガス供給部
58 吹き抜け部
61~64,71~75,61B,62B,72B,73B 通路
81~83,82B,83B 不活性ガス噴射部
100,100B ミスト噴射ヘッド部
191~195,192B,193B 不活性ガス噴出口
N1,N1B 原料溶液噴射用ノズル部
N2,N3,N3B 反応材料噴射用ノズル部
N4 排気用ノズル部
Claims (15)
- ミスト化された原料溶液を大気中に噴射することにより、基板(23)に対して膜を成膜する成膜装置であって、
前記基板が載置される載置部(24)と、
底面に原料溶液噴出口(15,15B)、反応材料噴出口(16,17,16B,17B)及び不活性ガス噴出口(192,193,192B,193B)を有し、前記載置部に載置されている前記基板に対し、前記原料溶液噴出口より前記原料溶液を噴射し、前記反応材料噴出口より前記原料溶液との反応に寄与する反応材料を噴射し、前記不活性ガス噴出口より不活性ガスを噴射するミスト噴射ヘッド部(100,100B)とを備え、
前記不活性ガス噴出口は、前記原料溶液噴出口と前記反応材料噴出口との間に設けられることを特徴とする、
成膜装置。 - 請求項1記載の成膜装置であって、
前記不活性ガス噴出口は第1及び第2の不活性ガス噴出口(193,192,193B
,192B)を含み、
前記反応材料は第1及び第2の反応材料を含み、前記反応材料噴出口は前記第1及び第2の反応材料を噴出するための第1及び第2の反応材料噴出口(16,17,16B,17B)を含み、
前記第1の不活性ガス噴出口(193,193B)は、前記原料溶液噴出口と前記第1の反応材料噴出口(16,16B)との間に設けられ、前記第2の不活性ガス噴出口(192,192B)は、前記原料溶液噴出口と前記第2の反応材料噴出口(17,17B)との間に設けられる、
成膜装置。 - 請求項1または請求項2記載の成膜装置であって、
前記ミスト噴射ヘッド部の底面は第1及び第2の方向で規定される矩形状を呈し、
前記原料溶液噴出口、前記反応材料噴出口、及び前記不活性ガス噴出口はそれぞれ平面視して前記第1の方向を長手方向としたスリット状に形成されることを特徴とする、
成膜装置。 - 請求項1から請求項3のうち、いずれか1項に記載の成膜装置であって、
前記ミスト噴射ヘッド部は、外部より不活性ガスを導入する不活性ガス供給部(52,53,52B,53B)をさらに有し、前記不活性ガス供給部は前記不活性ガス噴出口に連通し、
前記不活性ガス噴出口の開口面積は前記不活性ガス供給部の開口面積以下であることを特徴とする、
成膜装置。 - 請求項1から請求項4のうち、いずれか1項に記載の成膜装置であって、
前記不活性ガスを噴出している流量は、前記原料溶液を噴出している流量及び前記反応材料を噴出している流量それぞれ以下である、
成膜装置。 - 請求項1から請求項5のうち、いずれか1項に記載の成膜装置であって、
前記ミスト噴射ヘッド部は、
前記原料溶液噴出口より前記原料溶液の噴射を行う原料溶液噴射用ノズル部(N1,N1B)を備え、
前記原料溶液噴射用ノズル部は、
第1の空洞部(11)と、
前記第1の空洞部内に、ミスト化された前記原料溶液を供給する原料溶液供給部(1)と、
前記第1の空洞部の底面より離れた位置において、前記第1の空洞部内の側面に設けられ、前記原料溶液噴出口と接続されている原料溶液排出部(41,41B)と、
前記第1の空洞内に配設されている、前記原料溶液の流れを整える第1の整流部(6)とを含む、
成膜装置。 - 請求項6記載の成膜装置であって、
前記ミスト噴射ヘッド部は、
前記原料溶液噴射用ノズル部に水平方向に沿って配設されており、前記反応材料を噴射する反応材料噴射用ノズル部(N2,N3,N3B)をさらに備える、
成膜装置。 - 請求項2記載の成膜装置であって、
前記ミスト噴射ヘッド部は、
底面に設けられる前記原料溶液噴出口より、前記原料溶液を噴射する原料溶液噴射用ノズル部(N1)と、
前記原料溶液噴射用ノズル部を挟んで配設されており、底面に設けられる前記第1及び第2の反応材料噴出口より、前記第1及び第2の反応材料を噴射する第1及び第2の反応材料噴射用ノズル部(N2,N3)と、
底面に設けられる前記第1及び第2の不活性ガス噴出口より、不活性ガスを噴射する第1及び第2の不活性ガス噴射部(83,82)とを備え、
前記第1の不活性ガス噴射部は前記原料溶液噴射用ノズル部と前記第1の反応材料噴射用ノズル部との間に設けられ、前記第2の不活性ガス噴射部は前記原料溶液噴射用ノズル部と前記第2の反応材料噴射用ノズル部との間に設けられる、
成膜装置。 - 請求項2記載の成膜装置であって、
前記ミスト噴射ヘッド部は、
前記原料溶液の噴射に加え、前記第1の反応材料の噴射を行う原料溶液噴射用ノズル部(N1B)と、
前記原料溶液噴射用ノズル部と隣接して配設されており、底面に前記原料溶液噴出口、前記第1及び第2の反応材料噴出口、並びに前記第1及び第2の不活性ガス噴出口を有する反応材料噴射用ノズル部(N3B)とを備え、
前記原料溶液噴射用ノズル部は、
前記原料溶液及び前記第1の反応材料を前記反応材料噴射用ノズル部に排出可能な原料溶液排出部及び第1の反応材料排出部(41B,42B)を有し、
前記反応材料噴射用ノズル部は、
前記第1及び第2の不活性ガス噴出口よりそれぞれ不活性ガスを噴出し、前記第2の反応材料噴出口より前記第2の反応材料を噴出するとともに、
前記原料溶液噴射用ノズル部の前記原料溶液排出部及び前記第1の反応材料排出部より排出される前記原料溶液及び前記第1の反応材料を前記原料溶液噴出口及び第1の前記反応材料噴出口に導く第1及び第2の内部通路(61B,63B)を有する、
成膜装置。 - 請求項7記載の成膜装置であって、
前記反応材料噴射用ノズル部は、
第2の空洞部(12,13,13B)と、
前記第2の空洞部内に前記反応材料を供給する反応材料供給部(2,3,3B)と、
前記第2の空洞部の底面より離れた位置において、前記第2の空洞部内の側面に設けられ、前記反応材料噴出口と接続されている反応材料排出部(42,42B,43)とを、有する、
成膜装置。 - 請求項10記載の成膜装置であって、
前記ミスト噴射ヘッド部は、
排気口より排気処理を行う排気用ノズル部(N4)をさらに備え、
前記排気用ノズル部は、
前記原料溶液噴射用ノズル部が前記原料溶液を噴出している流量と、前記反応材料噴射用ノズル部が前記反応材料を噴出している流量との和以上の流量で、前記排気処理を行う、
成膜装置。 - 請求項11記載の成膜装置であて、
前記排気用ノズル部は、
第3の空洞部(14)と、
前記第3の空洞部の底面より離れた位置において、前記第3の空洞部内の側面に設けられ、前記排気口と接続されている排気物導入部(44)と、
前記排気物導入部より上方に配設されており、排気物を前記第3の空洞部から前記排気用ノズル部外へと排出する排気物出口部(4)とを含む、
成膜装置。 - 請求項11記載の成膜装置であって、
前記ミスト噴射ヘッド部は、
前記原料溶液噴射用ノズル部と前記排気用ノズル部との間に設けられている吹き抜け部(58)と、
前記吹き抜け部を、前記基板の配置側から塞ぐベースプレート部(20,20B)とをさらに備える、
成膜装置。 - 請求項13記載の成膜装置であって、
前記ベースプレート部は、
不活性ガスを噴出する第3の不活性ガス噴出口(194)が配設されている、
成膜装置。 - 請求項11記載の成膜装置であって、
前記原料溶液噴射用ノズル部、前記反応材料噴射用ノズル部及び前記排気用ノズル部は、水平方向に並んで配置されており、
少なくとも前記排気用ノズル部は、
前記ミスト噴射ヘッド部の最外側に位置している、
成膜装置。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/761,613 US10544509B2 (en) | 2015-10-19 | 2015-10-19 | Film forming device |
DE112015007038.9T DE112015007038T5 (de) | 2015-10-19 | 2015-10-19 | Filmbildungsvorrichtung |
KR1020187010616A KR102193365B1 (ko) | 2015-10-19 | 2015-10-19 | 성막 장치 |
PCT/JP2015/079448 WO2017068625A1 (ja) | 2015-10-19 | 2015-10-19 | 成膜装置 |
CN201580083958.4A CN108138319B (zh) | 2015-10-19 | 2015-10-19 | 成膜装置 |
JP2017546291A JP6510667B2 (ja) | 2015-10-19 | 2015-10-19 | 成膜装置 |
TW105105868A TWI580811B (zh) | 2015-10-19 | 2016-02-26 | 成膜裝置 |
HK18109205.2A HK1249768A1 (zh) | 2015-10-19 | 2018-07-17 | 成膜裝置 |
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PCT/JP2015/079448 WO2017068625A1 (ja) | 2015-10-19 | 2015-10-19 | 成膜装置 |
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WO2017068625A1 true WO2017068625A1 (ja) | 2017-04-27 |
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US (1) | US10544509B2 (ja) |
JP (1) | JP6510667B2 (ja) |
KR (1) | KR102193365B1 (ja) |
CN (1) | CN108138319B (ja) |
DE (1) | DE112015007038T5 (ja) |
HK (1) | HK1249768A1 (ja) |
TW (1) | TWI580811B (ja) |
WO (1) | WO2017068625A1 (ja) |
Cited By (5)
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WO2018220756A1 (ja) * | 2017-05-31 | 2018-12-06 | 東芝三菱電機産業システム株式会社 | ミスト塗布成膜装置の塗布ヘッドおよびそのメンテナンス方法 |
WO2020174643A1 (ja) | 2019-02-28 | 2020-09-03 | 東芝三菱電機産業システム株式会社 | 成膜装置 |
WO2020174642A1 (ja) | 2019-02-28 | 2020-09-03 | 東芝三菱電機産業システム株式会社 | 成膜装置 |
KR20210005221A (ko) | 2018-06-08 | 2021-01-13 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 성막 장치 |
KR20210005937A (ko) | 2018-06-08 | 2021-01-15 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 성막 장치 |
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- 2015-10-19 WO PCT/JP2015/079448 patent/WO2017068625A1/ja active Application Filing
- 2015-10-19 US US15/761,613 patent/US10544509B2/en active Active
- 2015-10-19 JP JP2017546291A patent/JP6510667B2/ja active Active
- 2015-10-19 DE DE112015007038.9T patent/DE112015007038T5/de active Pending
- 2015-10-19 KR KR1020187010616A patent/KR102193365B1/ko active IP Right Grant
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WO2018220756A1 (ja) * | 2017-05-31 | 2018-12-06 | 東芝三菱電機産業システム株式会社 | ミスト塗布成膜装置の塗布ヘッドおよびそのメンテナンス方法 |
JPWO2018220756A1 (ja) * | 2017-05-31 | 2019-11-07 | 東芝三菱電機産業システム株式会社 | ミスト塗布成膜装置の塗布ヘッドおよびそのメンテナンス方法 |
CN110769941A (zh) * | 2017-05-31 | 2020-02-07 | 东芝三菱电机产业系统株式会社 | 雾涂敷成膜装置的涂敷头及其维护方法 |
CN110769941B (zh) * | 2017-05-31 | 2022-05-10 | 东芝三菱电机产业系统株式会社 | 雾涂敷成膜装置的涂敷头及其维护方法 |
KR20210005221A (ko) | 2018-06-08 | 2021-01-13 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 성막 장치 |
KR20210005937A (ko) | 2018-06-08 | 2021-01-15 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 성막 장치 |
WO2020174643A1 (ja) | 2019-02-28 | 2020-09-03 | 東芝三菱電機産業システム株式会社 | 成膜装置 |
WO2020174642A1 (ja) | 2019-02-28 | 2020-09-03 | 東芝三菱電機産業システム株式会社 | 成膜装置 |
KR20200123822A (ko) | 2019-02-28 | 2020-10-30 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 성막 장치 |
KR20200127217A (ko) | 2019-02-28 | 2020-11-10 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 성막 장치 |
US11732360B2 (en) | 2019-02-28 | 2023-08-22 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Film forming apparatus |
Also Published As
Publication number | Publication date |
---|---|
US20180347050A1 (en) | 2018-12-06 |
TWI580811B (zh) | 2017-05-01 |
JPWO2017068625A1 (ja) | 2018-03-01 |
TW201715075A (zh) | 2017-05-01 |
DE112015007038T5 (de) | 2018-07-19 |
HK1249768A1 (zh) | 2018-11-09 |
KR20180053374A (ko) | 2018-05-21 |
JP6510667B2 (ja) | 2019-05-08 |
KR102193365B1 (ko) | 2020-12-22 |
CN108138319B (zh) | 2020-12-01 |
US10544509B2 (en) | 2020-01-28 |
CN108138319A (zh) | 2018-06-08 |
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