WO2006013968A1 - 薄膜形成装置 - Google Patents
薄膜形成装置 Download PDFInfo
- Publication number
- WO2006013968A1 WO2006013968A1 PCT/JP2005/014413 JP2005014413W WO2006013968A1 WO 2006013968 A1 WO2006013968 A1 WO 2006013968A1 JP 2005014413 W JP2005014413 W JP 2005014413W WO 2006013968 A1 WO2006013968 A1 WO 2006013968A1
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- WIPO (PCT)
- Prior art keywords
- vacuum chamber
- plasma
- antenna
- thin film
- substrate
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/564—Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
Definitions
- the present invention relates to a thin film forming apparatus for manufacturing a thin film used for an optical thin film, an optical device, an optoelectronic device, a semiconductor device, and the like, and more particularly to a thin film forming apparatus provided with a plasma generating means.
- plasma processing such as formation of a thin film on a substrate, surface modification of the formed thin film, etching and the like has been performed using a reactive gas that has been converted into plasma in a vacuum chamber.
- a technology that forms a thin film made of a metal compound by forming a thin film with incomplete reaction force of a metal on a substrate using sputtering technology, and bringing a reactive gas into plasma into contact with the thin film made of this incomplete reactant is known (for example, Patent Document 1).
- plasma generating means is used to turn reactive gas into plasma in a vacuum chamber of a thin film forming apparatus.
- the gas converted into plasma by the plasma generating means contains active species such as ions, electrons, and radicals.
- FIG. 9 is an explanatory diagram for explaining a configuration of a conventional grid.
- a grid 101 shown in FIG. 9A has a structure in which a large number of holes 103 having a diameter of about 0.1 to 3. Omm are provided on a flat plate made of metal or an insulator.
- the grid 111 shown in FIG. 9 (B) has a configuration in which a plurality of slits 113 having a width of about 0.1 to 1. Omm are provided on a flat plate made of metal or an insulator.
- electrically neutral radicals, atoms, molecules, etc. in the plasma of the reactive gas are selectively or preferentially guided to the reaction process zone 60 and charged.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-234338 (Pages 6-9, FIG. 1, FIG. 2, FIG. 6, FIG. 7)
- the ratio (opening ratio) of the holes 103 and the slits 113 to the area of the flat plate member (including the areas of the holes 103 and the slits 113) is small (for example, Therefore, the majority of ions disappeared in the grids 101 and 111, and the reactive gas ions could hardly contribute to the reaction of the thin film.
- an object of the present invention is to form a film by bringing a certain proportion of ions in the plasma into contact with the thin film while increasing the relative density of radicals in the reactive gas plasma.
- An object of the present invention is to provide a thin film forming apparatus capable of forming the film.
- the thin film forming apparatus is provided with a vacuum chamber having an opening, and generates plasma in the vacuum chamber provided at a position corresponding to the opening of the vacuum chamber.
- the area where the ion annihilation means shields the substrate holding means from the plasma generation means when facing the substrate holder is from the plasma generation means to the substrate. It is characterized by being configured narrower than the remaining area facing the holder.
- the area where the ion annihilation means shields the substrate holding means from the plasma generation means is configured to be narrower than the remaining area facing the substrate holder as well as the plasma generation means. It is possible to suppress the amount of ions that are eliminated by the means. Therefore, the ions that are not extinguished by the ion extinguishing means can move from the plasma generating means to the substrate holding means. As a result, the ions can be brought into contact with the thin film formed on the substrate to contribute to the formation of the film.
- the ion annihilation means is made of a conductor and is provided in the vacuum chamber in a grounded state.
- the ion annihilation means is formed of a hollow member.
- the cooling medium can be passed through the ion annihilation means formed of the hollow member, and the temperature rise of the ion annihilation means can be suppressed.
- the ion annihilation means is made of an insulator.
- the substrate holding means is provided in the vacuum chamber in a state of being insulated from the vacuum chamber and being floating in potential.
- the substrate holding means is configured to float in potential in this way, ions generated by the plasma generating means are not accelerated toward the substrate holding means depending on the potential state of the substrate holding means. Accordingly, it is possible to suppress ions generated by the plasma generating means from flying toward the substrate holding means in a state of high engineering energy.
- the plasma generating means is configured to include an antenna that is connected to a high-frequency power source and forms a vortex on the same plane, and power of 2 kW to 4 kW is supplied to the antenna by the high-frequency power source. It is preferable.
- FIG. 1 is an explanatory view of a top surface with a partial cross section for explaining a thin film forming apparatus of the present invention.
- FIG. 2 is a side view with a partial cross section for explaining the thin film forming apparatus of the present invention.
- FIG. 3 is a main part explanatory view for explaining plasma generating means and ion extinguishing means of the present invention.
- FIG. 4 is a main part explanatory view for explaining the plasma generating means of the present invention.
- FIG. 5 is a main part explanatory view for explaining ion annihilation means.
- FIG. 6 Shows the relationship between the power supplied to the antenna and the optical constant of the TiO thin film.
- FIG. 7 is a main part explanatory view for explaining another embodiment of the plasma generating means.
- FIG. 8 is an explanatory diagram of relevant parts for explaining another embodiment of the plasma generating means.
- FIG. 9 is an explanatory diagram for explaining the configuration of a conventional grid (ion annihilation means).
- FIG. Fig. 1 is an explanatory view of the upper surface of the sputtering apparatus 1 with a partial cross section for easy understanding
- Fig. 2 is an explanatory view of a side surface with a partial cross section along the line A-B-C in Fig. 1.
- FIG. 3 is a main part explanatory view for explaining the plasma generating means and the ion extinguishing means of the present invention.
- 4 is a cross-sectional view taken along the line D-D in FIG.
- the sputtering apparatus 1 is an example of a thin film forming apparatus of the present invention.
- FIG. 5 is an explanatory view of the main part for explaining the ion annihilation means.
- a sputtering apparatus 1 that performs magnetron sputtering, which is an example of sputtering, is used.
- the sputtering apparatus 1 is not limited to this, and other known sputtering such as bipolar sputtering that does not use magnetron discharge is used. It is also possible to use a sputtering apparatus to be used.
- a thin film that is considerably thinner than the target film thickness is formed on the substrate by sputtering, and the thin film having the target film thickness is formed by repeating the plasma treatment on the formed thin film. Can be formed on top.
- the target thin film with a thickness of several nm to several hundred nm is formed by repeating the process of forming a thin film with an average thickness of 0.01 to 1.5 nm by sputtering and plasma treatment.
- the sputtering apparatus 1 of the present embodiment includes a vacuum chamber 11, a substrate holder 13 for holding a substrate on which a thin film is to be formed in the vacuum chamber 11, a motor 17 for driving the substrate holder 13, a magnetron Sputter electrodes 21a, 21b and plasma generating means 80 for generating plasma are provided.
- the substrate corresponds to the substrate of the present invention.
- a force lens using a plate-like substrate may be used as the base.
- the vacuum chamber 11 is made of stainless steel, which is usually used in a known sputtering apparatus, and is grounded.
- the vacuum vessel 11 is a hollow body having a substantially rectangular parallelepiped shape.
- the shape of the vacuum chamber 11 may be a hollow cylindrical shape.
- the substrate holder 13 is disposed at the approximate center in the vacuum chamber 11.
- the shape of the substrate holder 13 is cylindrical, and a plurality of substrates (not shown) are held on the outer peripheral surface thereof.
- the substrate holder 13 corresponds to the substrate holding means of the present invention.
- the substrate holding means may be a hollow polygonal column shape or a conical shape as opposed to a cylindrical shape as in this embodiment.
- the substrate holder 13 is supported by a rotational drive shaft 17a pivotally supported by the vacuum chamber 13 and supported rotatably from above by a rotational support shaft 17b pivotally supported by the vacuum chamber 13.
- the rotational driving force from the motor 17 is transmitted to the substrate holder 13 via the rotational driving shaft 17a, and the substrate holder 13 rotates around the central axis Z while maintaining the vacuum state in the vacuum chamber 11. It is driven by rolling.
- the substrate holder 13 is disposed in the vacuum chamber 11 such that the central axis Z (see FIG. 2) in the cylindrical direction of the cylinder is in the vertical direction of the vacuum chamber 11.
- the contact portions between the rotation drive shaft 17a and the substrate holder 13 and the rotation support shaft 17b and the substrate holder 13 are covered with insulating members 18a and 18b having an insulating force such as fluorine resin (Teflon (registered trademark)). It is.
- the substrate holder 13 is electrically insulated from the vacuum chamber 11 and is in a floating state.
- the substrate holder 13 is configured to be in a floating state, whereby abnormal discharge in the substrate can be prevented.
- a large number of substrate (not shown) forces are held on the outer peripheral surface of the substrate holder 13 in a state of being aligned while maintaining a predetermined interval in the direction (vertical direction) along the central axis Z of the substrate holder 13.
- the substrate is held by the substrate holder 13 so that the surface on which the thin film of the substrate is formed (hereinafter referred to as “film formation surface”) is oriented in a direction perpendicular to the central axis Z of the substrate holder 13. .
- the partition walls 12 and 16 are members that stand up toward the substrate holder 13 also with the side wall surface force of the vacuum chamber 11, and are fixed to the vacuum chamber 11 by welding or bolts.
- the partition walls 12 and 16 in this embodiment are the same stainless steel members as the vacuum chamber 11.
- the partition walls 12 and 16 are provided so as to surround the four sides so that the side wall surface force of the vacuum chamber 11 also faces the substrate holder 13.
- a film forming process zone 20 for performing sputtering is formed by being surrounded by the inner wall surface of the vacuum chamber 11, the partition wall 12, and the outer peripheral surface of the substrate holder 13.
- plasma processing is performed on the thin film on the substrate by generating plasma and being surrounded by the inner wall surface of the vacuum chamber 11, the plasma generating means 80, the partition wall 16, and the outer peripheral surface of the substrate holder 13 described later.
- the reaction process zone 60 is formed.
- the partition wall 16 is fixed at a position rotated about 90 degrees around the central axis Z of the substrate holder 13 from the position where the partition wall 12 of the vacuum chamber 11 is fixed. Yes. For this reason, the film formation process zone 20 and the reaction process zone 60 are formed at positions shifted by about 90 degrees with respect to the central axis Z of the substrate holder 13. Therefore, when the substrate holder 13 is rotationally driven by the motor 17, the position between the position facing the substrate force deposition process zone 20 held on the outer peripheral surface of the substrate holder 13 and the position facing the reaction process zone 60. It will be transported. An exhaust pipe 15a is connected between the film forming process zone 20 and the reaction process zone 60 in the vacuum chamber 11, and a vacuum pump 15 for exhausting the inside of the vacuum chamber 11 is connected to this pipe. Has been.
- a wall of the partition wall 16 facing the reaction process zone 60 is covered with a protective layer P that also has an insulator strength. Furthermore, the part facing the reaction process zone 60 on the inner wall surface of the vacuum chamber 11 In addition, a protective layer P made of an insulator is coated. Examples of the insulator constituting the protective layer P include pyrolytic boron nitride (PBN), aluminum oxide (Al 2 O 3), silicon oxide (SiO 2), and boron nitride (BN). Can be used. protection
- the layer P is coated on the partition wall 16 and the inner wall surface of the vacuum chamber 11 by a chemical vapor deposition method, a vapor deposition method, a thermal spraying method, or the like.
- a chemical vapor deposition method a vapor deposition method, a thermal spraying method, or the like.
- the partition wall 16 and the inner wall surface of the vacuum vessel 11 may be coated by a thermal decomposition method using chemical vapor deposition.
- Mass flow controllers 25 and 26 are connected to the film forming process zone 20 via pipes.
- the mass flow controller 25 is connected to a sputter gas cylinder 27 that stores an inert gas.
- the mass flow controller 26 is connected to a reactive gas cylinder 28 that stores the reactive gas.
- the inert gas and the reactive gas are controlled by the mass flow controllers 25 and 26 and introduced into the film forming process zone 20.
- the inert gas introduced into the film forming process zone 20 for example, argon gas, helium gas, neon gas, tarpton gas, or xenon gas can be used.
- the reactive gas introduced into the film forming process zone 20 for example, oxygen gas, nitrogen gas, fluorine gas, ozone gas or the like can be used.
- magnetron sputtering electrodes 21 a and 21 b are arranged on the wall surface of the vacuum chamber 11 so as to face the outer peripheral surface of the substrate holder 13.
- the magnetron sputtering electrodes 21a and 21b are fixed to the vacuum chamber 11 at the ground potential via an insulating member (not shown).
- the magnetron sputter electrodes 21a and 21b are connected to a medium frequency AC power source 23 via a transformer 24 and configured to be able to apply an alternating electric field.
- the medium frequency AC power source 23 of the present embodiment applies an alternating electric field of lk to 100 kHz.
- Magnetron sputtering electrodes 21a and 21b hold targets 29a and 29b.
- the shapes of the targets 29a and 29b are flat, and the surfaces of the targets 29a and 29b facing the outer peripheral surface of the substrate holder 13 are held so as to face the direction perpendicular to the central axis Z of the substrate holder 13.
- An opening 11 a for installing the plasma generating means 80 is formed on the wall surface corresponding to the reaction process zone 60 of the vacuum chamber 11.
- an inert gas in an inert gas cylinder 77 is introduced into the reaction process zone 60 via a mass flow controller 75.
- piping for introducing the reactive gas in the reactive gas cylinder 78 via the mass flow controller 76 are connected.
- the inert gas introduced into the reaction process zone 60 for example, argon gas, helium gas, neon gas, krypton gas, or xenon gas can be used.
- oxygen gas, nitrogen gas, fluorine gas, ozone gas or the like can be used as the reactive gas introduced into the reaction process zone 60.
- the plasma generation means 80 of this embodiment will be described with reference to FIGS. 1 to 4.
- the plasma generating means 80 faces the reaction process zone 60 and is provided at a position corresponding to the opening 11a.
- the plasma generating means 80 of the present embodiment includes a case body 81 as a lid, a dielectric plate 83 as a dielectric wall, a fixing frame 84, antennas 85a and 85b, a fixing tool 88, and a decompression means.
- the pipe 15a and the vacuum pump 15 are provided.
- the case body 81 has a shape for closing the opening 11a formed on the wall surface of the vacuum chamber 11, and is fixed so as to close the opening 1la of the vacuum chamber 11 with a bolt (not shown). By fixing the case body 81 to the wall surface of the vacuum chamber 11, the plasma generating means 80 is connected to the vacuum chamber 11.
- the case body 81 is made of stainless steel.
- the dielectric plate 83 is formed of a plate-like dielectric. In the present embodiment, the dielectric plate 83 is made of quartz. The dielectric plate 83 is not made of quartz but is made of a ceramic material such as AlO.
- the fixing frame 84 is used to fix the dielectric plate 83 to the case body 81, and is a frame body having a square shape.
- the dielectric plate 83 is sandwiched between the fixing frame 84 and the case body 81, thereby fixing the dielectric plate 83 to the case body 81.
- the antenna housing chamber 80A is formed by the case body 81 and the dielectric plate 83. That is, in the present embodiment, the antenna housing chamber 80A is formed surrounded by the case body 81 and the dielectric plate 83.
- the dielectric plate 83 fixed to the case body 81 is provided facing the inside of the vacuum chamber 11 (reaction process zone 60) through the opening 11a.
- the antenna accommodating chamber 80A is separated from the inside of the vacuum tank 11. That is, the antenna accommodating chamber 80A and the inside of the vacuum chamber 11 form an independent space in a state of being partitioned by the dielectric plate 83.
- antenna The storage chamber 80A and the outside of the vacuum chamber 11 form an independent space partitioned by a case body 81.
- the antennas 85a and 85b are installed in the antenna accommodating chamber 80A formed as an independent space in this way.
- the antenna housing chamber 80A and the reaction chamber 60 inside the vacuum chamber 11 and the antenna housing chamber 80A and the outside of the vacuum chamber 11 are kept airtight by an O-ring.
- an exhaust pipe 15a is connected to the antenna accommodating chamber 80A in order to evacuate the inside of the antenna accommodating chamber 80A to make a vacuum state.
- a vacuum pump 15 is connected to the pipe 15a.
- the pipe 15a communicates with the inside of the vacuum chamber 11.
- valves VI and V2 are provided at positions where the vacuum pump 15 communicates with the inside of the vacuum chamber 11.
- the pipe 15a is provided with valves VI and V3 at positions where the vacuum pump 15 communicates with the interior of the antenna housing chamber 80A. By closing either the valve V2 or V3, gas movement between the antenna accommodating chamber 80A and the vacuum chamber 11 is prevented.
- the pressure inside the vacuum chamber 11 and the pressure inside the antenna accommodating chamber 80A are measured by a vacuum gauge (not shown).
- the sputtering apparatus 1 is provided with a control device (not shown).
- the output of the vacuum gauge is input to this control device.
- the control device has a function of adjusting the degree of vacuum inside the vacuum chamber 11 and inside the antenna accommodating chamber 80A by controlling the exhaust by the vacuum pump 15 based on the input measurement value of the vacuum gauge.
- the control device controls the opening and closing of the valves V1, V2, and V3, so that the inside of the vacuum chamber 11 and the inside of the antenna housing chamber 80A can be exhausted simultaneously or independently.
- the antenna 85a and the antenna 85b are for receiving electric power from the high frequency power supply 89, generating an induction electric field in the vacuum chamber 11 (reaction process zone 60), and generating plasma.
- the antennas 85a and 85b according to the present embodiment include a tubular main body portion made of copper and a covering layer made of silver covering the surface of the main body portion.
- the antenna 85a and the antenna 85b have a shape that forms a vortex on a plane.
- the antenna 85a and the antenna 85b are arranged in the antenna housing chamber 80A formed between the case body 81 and the dielectric plate 83 with the vortex surface facing the reaction process zone 60. It is installed next to.
- the antenna 85a and the antenna 85b are perpendicular to the central axis of the antenna 85a and the antenna 85b, with the vortex surfaces of the antenna 85a and the antenna 85b facing the wall surface of the plate-like dielectric plate 83. It is installed next to each other vertically (in the direction parallel to the central axis Z).
- the antenna 65a and the antenna 65a are maintained at a predetermined distance D in a direction perpendicular to the perpendicular to the vortex plane (dielectric wall 63) of the antenna 65a and the antenna 65b.
- Antenna 65b is fixed. Therefore, when the motor 17 is operated and the substrate holder 13 is rotated around the central axis Z, the substrate held on the outer periphery of the substrate holder faces the surface on which the film formation surface of the substrate forms the vortex of the antennas 85a and 85b. In this way, it is conveyed laterally with respect to the antennas 85a and 85b arranged vertically.
- the antenna 85 a and the antenna 85 b are connected in parallel to the high frequency power supply 89.
- the antennas 85a and 85b are connected to a high frequency power supply 89 via a matching box 87 that accommodates a matching circuit.
- a matching box 87 that accommodates a matching circuit.
- variable capacitors 87a and 87b are provided in the matching box 87.
- the antenna 85b since the antenna 85b is connected in parallel to the antenna 85a, the antenna 85b plays all or part of the role played by the matching coil in the conventional matching circuit. Therefore, the power loss in the matching box can be reduced, and the power supplied from the high frequency power supply 89 can be effectively used for generating plasma by the antennas 85a and 85b. In addition, impedance matching is easy.
- the spiral antennas 85a and 85b are connected to the matching box 87 via the conductor portions 86a and 86b.
- the conductor portions 86a and 86b are made of the same material as the antennas 85a and 85b.
- the case body 81 is formed with a through hole 81a through which the conducting wire portions 86a and 86b are passed.
- Ann The antennas 85a and 85b inside the tena chamber 80A, the mating box 87 and the high-frequency power supply 89 outside the antenna chamber 80A are connected via a conducting wire portion 86a passed through the through hole 81a.
- a seal member 81b is provided between the conductor portions 86a and 86b and the through hole 81a, and airtightness is maintained inside and outside the antenna accommodating chamber 80A.
- the distance D between the antenna 85a and the antenna 85b can be adjusted by giving a margin to the lengths of the conductor portions 86a and 86b.
- the vertical distance D between the antenna 85a and the antenna 85b can be adjusted.
- the fixture 88 is for installing the antennas 85a and 85b in the antenna accommodating chamber 80A.
- the fixture 88 of the present embodiment is composed of fixing plates 88a and 88b and fixing bolts 88c and 88d.
- the antennas 85a and 85b are fitted onto the fixing plates 88a and 88b.
- the antenna 85a, 85b force S is fixed to the case body 81 with fixed fittings 88a, 88bi and fixed Bonoles 88c, 88d.
- a plurality of bolt holes are formed in the case body 81 in the vertical direction, and the fixing plates 88 a and 88 b are attached to the case body 81 using any one of the bolt holes.
- the vertical distance D between the antenna 85a and the antenna 85b is adjusted according to the position of the bolt hole used.
- at least the contact surfaces of the antennas 85a and 85b and the fixing plates 88a and 88b are formed of an insulating material.
- the antennas 85 a and 85 b are fixed to the case body 81 using the fixing tool 88.
- a fixture 88 that matches the vertical distance D between the antenna 85a and the antenna 85b, the diameter Ra of the antenna 85a, and the diameter Rb of the antenna 85b is used.
- the dielectric plate 83 is fixed to the case body 81 using the fixing frame 84.
- the antennas 85a and 85b are sandwiched between the dielectric plate 83 and the fixed plates 88a and 88b.
- the case body 81, the dielectric plate 83, the antennas 85a and 85b, and the fixture 88 are integrated.
- the case body 81 is fixed to the vacuum chamber 11 with bolts (not shown) so as to close the opening 11 a of the vacuum chamber 11.
- the plasma generating means 80 is assembled in the vacuum chamber 11, and the antenna accommodating chamber 80A and the reaction process are combined.
- the recess zone 60 (inside the vacuum chamber 11) and the outside of the vacuum chamber 11 are formed as independent spaces, and the antennas 85a and 85b are installed in the antenna accommodating chamber 80A.
- the case body 81, the dielectric plate 83, the antennas 85a and 85b, and the fixture 88 are integrated, and the case body 81 and the vacuum chamber 11 are fixed with bolts to generate plasma. Since the means 80 can be connected to the vacuum chamber 11, the plasma generating means 80 can be easily attached to and detached from the vacuum chamber 11.
- the grid 90 shown in FIGS. 1 to 3 and FIG. 5 is provided between the plasma generating means 80 and the substrate holder 13.
- the grid 90 corresponds to the ion annihilation means of the present invention, and is for annihilating a part of ions and a part of electrons generated by the plasma generating means 80.
- FIG. 5 is a front view of the grid 90 as viewed through the opening 11a when the substrate holder 13 is faced from the plasma generating means 80.
- FIG. 5 is a front view of the grid 90 as viewed through the opening 11a when the substrate holder 13 is faced from the plasma generating means 80.
- the grid 90 is a hollow member made of a conductor and is grounded.
- a hose (not shown) for supplying a cooling medium is connected to the end of the grid in order to flow a cooling medium (for example, cooling water) inside the grid 90 that also serves as a hollow member.
- the grid 90 of the present embodiment is composed of a vertical grid 90a and a horizontal grid 90b.
- the vertical grid 90a hollow members are arranged so that a plurality of lines in a direction (longitudinal direction) parallel to the central axis Z are arranged.
- the horizontal grid 90b hollow members are arranged so that a plurality of stripes in a direction (lateral direction) parallel to the rotation direction of the substrate holder 13 are arranged. Copper, copper alloy, aluminum, stainless steel, etc. are used as the conductor constituting the grid 90.
- the copper pipe is bent in a mesh shape to form the vertical grid 90a and the horizontal grid 90b.
- the vertical grid 90a and the horizontal grid 90b are fixed to the vacuum vessel 11.
- the horizontal grid 90b is fixed to the vacuum vessel 11 by sandwiching the horizontal grid 90b between the fixing plate 91 fixed to the vacuum vessel 11 with a bolt and the vacuum vessel 11.
- the vertical grid 90a is fixed by being fixed to the horizontal grid 90b by welding or an adhesive.
- the vertical grid 90a may be fixed by the fixing plate 91.
- the substrate generator When the grid 90 faces the substrate holder 13 with respect to the plasma generating means 80 when the grid 90 is faced, the vertical grid 90a, A horizontal grid 90b is arranged. That is, in this embodiment, when the substrate holder 13 is faced from the plasma generating means 80, the area where the opening 11a is blocked by the grid 90 is made narrower than the remaining area of the opening 11a, so that the vertical grid 90a, Grid 90 b is arranged.
- the vacuum pump 15 is operated to depressurize the inside of the vacuum chamber 11 and the antenna housing chamber 80A.
- the control device opens all valves VI, V2, and V3 provided in the pipe 15a, and exhausts the inside of the vacuum chamber 11 and the inside of the antenna housing chamber 80A at the same time. Vacuum inside containment chamber 80A.
- the control device monitors the measurement value of the vacuum gauge so that the pressure difference between the inside of the vacuum chamber 11 and the inside of the antenna accommodating chamber 80A does not increase (for example, a pressure difference of 10 4 Pa or more does not occur ) Control the opening and closing of valves VI, V2 and V3 as appropriate.
- the control device inside 10 _2 Pa to the vacuum chamber 11 Close over ⁇ valve V2 upon reaching the LOPA.
- the antenna accommodating chamber 80A is further depressurized to 10_3 Pa or lower.
- the reactive gas in the reactive gas cylinder 78 is introduced into the reaction process zone 60 via the mass flow controller 76 while the inside of the vacuum chamber 11 holds 10 _2 Pa ⁇ : LOPa.
- a voltage of 13.56 MHz is applied from the high-frequency power source 89 to the antennas 85a and 85b to the reaction process zone 60.
- a reactive gas plasma is generated.
- plasma having a distribution according to the vertical distance D between the antenna 85a and the antenna 85b, the diameter Ra of the antenna 85a, the diameter Rb of the antenna 85b, etc. is generated.
- the thin film formed on the substrate placed on the substrate holder 13 is subjected to plasma treatment by the active species such as ions, electrons, radicals, etc. in the plasma of the reactive gas thus generated.
- the active species such as ions, electrons, radicals, etc. in plasma
- Charges of a part of ON and a part of electrons are neutralized by a grid 90 provided between the plasma generating means 80 and the substrate holder 13.
- the area where the grid 90 shields the substrate holder 13 from the plasma generating means 80 when facing the base holder 13 from the plasma generating means 80 faces the base holder 13 from the plasma generating means 80.
- the vertical grid 90a and the horizontal grid 90b are arranged so as to be narrower than the remaining area. By arranging the vertical grid 90a and the horizontal grid 90b in this way, the amount of reactive gas ions generated by the plasma generating means 80 is electrically neutralized by the grid 90 and disappears.
- the reactive gas that is electrically neutralized by the grid 90 is narrowed by making the area where the grid 90 closes the opening 11a smaller than the remaining area of the opening 11a as in this embodiment. Reduce the amount of ions so that the amount of ions in contact with the film is not too low.
- the interior of the vacuum chamber 11 that forms the space for forming or processing the thin film is maintained at a pressure at which plasma is generated, and a space independent from the interior of the vacuum chamber 11 is formed.
- the inside of the antenna accommodating chamber 80A to be formed is held at a pressure that is less likely to generate plasma than the inside of the vacuum chamber 11, and plasma is generated in the vacuum chamber 11. For this reason, it is possible to efficiently generate plasma inside the vacuum chamber 11 while suppressing generation of plasma in the antenna accommodating chamber 80A.
- the antenna accommodating chamber 80A and the inside of the vacuum chamber 11 are independent spaces in a state of being partitioned by the dielectric plate 83, and the antenna 85 5a is provided inside the antenna accommodating chamber 80A. 85b, and plasma is generated inside the vacuum chamber 11 with the antenna accommodating chamber 80A decompressed. For this reason, it is possible to suppress the oxidation of the antennas 85a and 85b as compared with the conventional case in which plasma is generated with the antennas 85a and 85b installed in the atmosphere. Therefore, the lifetime of the antennas 85a and 85b can be increased. In addition, it is possible to suppress the plasma from becoming unstable due to the acid of the antennas 85a and 85b.
- the pressure inside the vacuum chamber 11 and the inside of the antenna accommodating chamber 80A reduce the pressure so that a large pressure difference does not occur between the inside of the vacuum chamber 11 and the antenna housing chamber 80A, and maintain the inside of the vacuum chamber 11 at a vacuum of about 10 _2 Pa to: LOPa.
- the antenna accommodating chamber 80A is maintained at 10 _3 Pa or less to generate plasma inside the vacuum chamber 11.
- the antenna housing chamber 80A and the inside of the vacuum chamber 11 are partitioned by a dielectric plate 83, and the antenna housing chamber 80A and the outside of the vacuum chamber 11 are partitioned by a case body 81.
- the antenna accommodating chamber 80A and the vacuum chamber 11 are separated. Since the pressure difference inside can be kept small, the thickness of the dielectric plate 83 can be designed to be thin, enabling plasma to be generated efficiently and using the inexpensive dielectric plate 83. Thus, low cost can be achieved.
- the distribution of plasma with respect to the substrate placed on the substrate holder 13 can be adjusted by adjusting the vertical distance D between the antenna 85a and the antenna 85b.
- the diameter Ra of the antenna 85a, the diameter Rb of the antenna 85b, or the thickness of the antennas 85a and 85b can be changed independently, the diameter Ra of the antenna 85a, the diameter Rb of the antenna 85b,
- the distribution of plasma can also be adjusted by adjusting the thickness.
- the overall shape of the antenna 85a and the antenna 85b is changed to a shape such as a rectangle. It is also possible to adjust the plasma distribution by changing.
- the antenna 85a and the antenna 85b can be arranged in the vertical direction intersecting the transport direction of the substrate transported in the horizontal direction and the distance between the antennas 85a and 85b can be adjusted, it intersects with the transport direction of the substrate.
- the plasma density distribution can be easily adjusted when it is necessary to perform plasma processing in a wide range in the direction of
- a thin film positioned above the substrate holder, depending on the substrate arrangement in the substrate holder 13, sputtering conditions, and the like, There may be differences in the thickness of the thin film located in the middle. Even in such a case, if the plasma generating means 80 of the present embodiment is used, there is an advantage that the plasma density distribution can be appropriately adjusted according to the difference in film thickness.
- the reaction wall 60 faces the reaction process zone 60.
- the surface of the inner wall of the vacuum chamber 11 or the portion of the inner wall of the vacuum chamber 11 facing the reaction process zone 60 is covered with an insulator, so that the relative density of the radicals in the reaction process zone 60 can be maintained high, and more radicals can be
- the substrate is brought into contact with the thin film on the substrate to improve the efficiency of the plasma treatment. That is, by covering the inner wall of the partition wall 16 and the vacuum chamber 11 with chemically stable pyrolytic boron nitride, radicals generated in the reaction process zone 60 by the plasma generating means 80 or excited radicals are partitioned. The reaction with the wall 16 and the inner wall of the vacuum chamber 11 is suppressed from disappearing. Further, the radicals generated in the reaction process zone 60 by the partition wall 16 can be controlled so as to be directed toward the substrate holder.
- the area where the grid 90 closes the opening 11a is made smaller than the remaining area of the opening 11a.
- the amount of reactive gas ions electrically neutralized by the grid 90 can be suppressed, and the amount of ions contacting the thin film can be adjusted.
- plasma processing is performed on a thin film of incomplete titanium oxide (TiO (xl ⁇ 2)) formed by sputtering on a substrate.
- incomplete titanium oxide is incomplete oxygen-titanium TiO (x ⁇ 2) deficient in oxygen, which is a constituent element of oxy-titanium ⁇ iO.
- the substrate and the targets 29a and 29b are arranged in the sputtering apparatus 1.
- the substrate is held by the substrate holder 13.
- the targets 29a and 29b are held by the magnetron sputter electrodes 21a and 21b, respectively.
- Titanium (Ti) is used as a material for the targets 29a and 29b.
- the inside of the vacuum chamber 11 and the inside of the antenna accommodating chamber 80A are reduced to the above-mentioned predetermined pressure, the motor 17 is operated, and the substrate holder 13 is rotated. Thereafter, after the pressure inside the vacuum chamber 11 and the inside of the antenna accommodating chamber 80A is stabilized, the pressure in the film forming process zone 20 is adjusted to 0.1 lPa ⁇ : L3Pa.
- argon gas which is an inert gas for sputtering
- oxygen gas which is a reactive gas
- an AC voltage of frequency 1 to: LOOKHz is applied to the magnetron sputter electrodes 21a and 21b from the medium frequency AC power source 23 through the transformer 24 so that an alternating electric field is applied to the targets 29a and 29b.
- the target 29a becomes a force sword (minus pole)
- the target 29b always becomes an anode (plus pole). If the direction of alternating current changes at the next point in time, target 29b will now be a force sword (minus pole) and target 29a will be an anode (plus pole).
- the pair of targets 29a and 29b alternately become an anode and a force sword, so that plasma is formed and sputtering is performed on the target on the force sword.
- non-conductive or low-conductivity titanium oxide may adhere to the anode.
- these titanium oxides (TiO (x ⁇ 2)) are sputtered, and the target surface is in its original clean state.
- a stable anode potential state is always obtained, and a change in the plasma potential (usually approximately equal to the anode potential) is prevented.
- a stable thin film of titanium or incomplete titanium oxide (TiO (xl ⁇ 2)) is formed on the film forming surface of the substrate.
- composition of the thin film formed in the film formation process zone 20 can be adjusted by adjusting the flow rate of the oxygen gas introduced into the film formation process zone 20 or by controlling the rotation speed of the substrate holder 13.
- Ti titanium
- TiO acid titanium
- TiO incomplete acid titanium
- the substrate is transported to the position facing the reaction process zone 60.
- oxygen gas is introduced as a reactive gas from a reactive gas cylinder 78 and an inert gas (for example, argon gas) is introduced from an inert gas cylinder 77.
- an inert gas for example, argon gas
- the reactive gas level in the plasma is reduced.
- the density of the dical can be improved.
- a high frequency voltage of 13.56 MHz is applied to the antennas 85 a and 85 b, and plasma is generated in the reaction process zone 60 by the plasma generation means 80.
- the pressure of the reaction process zone 60 is maintained between 0.7 Pa and lPa. Further, at least during the generation of plasma in the reaction process zone 60, the pressure inside the antenna accommodating chamber 80A is maintained at 10 _3 Pa or less.
- the substrate holder 13 rotates and titanium or incompletely oxidized titanium (TiO (xl ⁇ 2) xl
- reaction process zone 60 Is transferred to the position facing the reaction process zone 60, the reaction process zone 60 will receive titanium or incompletely oxidized titanium (TiO (xl xl
- a step of subjecting the thin film made of) to an acid reaction by plasma treatment is performed. That is, the plasma of oxygen gas generated in the reaction process zone 60 by the plasma generating means 80 is used to oxidize titanium or incompletely oxidized titanium (TiO (xl ⁇ 2)) to obtain an xl having a desired composition.
- TiO xl x 2 x 2
- TiO titanium oxide
- a titanium oxide (TiO (x ⁇ 2)) thin film having a desired composition can be formed. Furthermore, by repeating the above steps, a thin film having a desired film thickness can be formed by laminating thin films.
- the reaction process zone 60 it is considered that two effects appear due to the plasma of the reactive gas.
- the first effect is that a reactive gas plasma causes an oxidation reaction to the thin film, and the thin film made of metal or incomplete oxide formed by sputtering becomes a complete oxide or near incomplete acid. The effect is that it is converted into a product.
- the second effect is that high-energy ions or electrons in the plasma of the reactive gas collide with a thin film made of metal or incomplete oxide formed by sputtering, thereby deoxidizing the thin film.
- the effect is that the composition of the thin film is adversely affected. It is considered that the composition of the thin film that has been plasma treated through the reaction process zone 60 is determined by the competition between these two effects.
- Figure 6 shows the power supplied to the antennas 85a and 85b when the TiO thin film is formed, and the TiO thin film
- FIG. 2 2 shows the relationship with the optical constants (refractive index n and attenuation coefficient k) of the film.
- the horizontal axis in Fig. 6 shows the power supplied to the antennas 85a and 85b, and the vertical axis (left side) in Fig. 6 shows the refractive index n of the formed thin film.
- the vertical axis (right side) of FIG. 6 shows the attenuation coefficient k of the formed thin film.
- the attenuation coefficient k increases (for example, when power of 5 kW is supplied, the attenuation coefficient k is 1. OX 1CT against 3 exceeds) the, in case of supplying electric power in less than 2 kW 4 kW, the refractive index n is 2.47 to 2 in. 49, the attenuation coefficient k is 1. 0 X 10-3 or less Forming a TiO thin film
- the power supply from the high-frequency power supply 89 to the antennas 85a and 85b is 2 kW or more. It is better to use 4kW or less. Furthermore, in order to reduce the attenuation coefficient k 1. to about 0 X 10- 4 includes an antenna 85a, with respect to 85b, the supply of electric power from the high frequency power source 89, may be performed by more than 2 kW 3. 5 kW or less.
- the grid 90 is configured by a hollow member made of a conductor.
- the grid 90 can also be configured by a rod-shaped member having an insulating force.
- the grid 90 may be composed of the vertical grid 90a and the horizontal grid 90b as in the above embodiment.
- the vertical grid 90a of the present embodiment is a rod-shaped material arranged such that a plurality of stripes in a direction (longitudinal direction) parallel to the central axis Z are arranged.
- the horizontal grid 90b is a bar-shaped member arranged so that a plurality of stripes in a direction (lateral direction) parallel to the rotation direction of the substrate holder 13 are arranged.
- the area where the grid 90 shields the substrate holder 13 from the plasma generation means 80 when the plasma generation means 80 force also faces the substrate holder 13.
- the remaining portion of the base holder 13 facing the plasma generating means 80 The vertical grid 90a and the horizontal grid 90b are arranged narrower than the area. That is, when the base holder 13 is faced from the plasma generating means 80, the vertical grid 90a and the horizontal grid 90b are formed so that the area where the opening 11a is blocked by the grid 90 is narrower than the remaining area of the opening 11a. Is arranged.
- the grid 90 having an insulating force, it is possible to cause some of the ions in the plasma generated by the plasma generating means 80 to collide with the grid 90 and be extinguished.
- the area where the opening 11a is blocked by the grid 90 when facing the base holder 13 from the plasma generating means 80 is made smaller than the remaining area of the opening 11a.
- Insulators constituting grid 90 include pyrolytic boron nitride (PBN), aluminum oxide (Al 2 O 3), silicon oxide (SiO 2), boron nitride (BN), aluminum nitride.
- PBN pyrolytic boron nitride
- Al 2 O 3 aluminum oxide
- SiO 2 silicon oxide
- BN boron nitride
- the rod-shaped member that also has an insulating force constituting the grid 90 does not necessarily need to be entirely made of an insulator.
- a hollow conductor for example, stainless steel, copper, copper alloy, aluminum, etc.
- PBN pyrolytic boron nitride
- Al 2 O 3 aluminum oxide
- SiO 2 silicon oxide
- BN Boron nitride
- the grid 90 can also be configured by covering with an insulator such as aluminum (A1N).
- the conductor coating with the insulator may be performed by chemical vapor deposition, vapor deposition, thermal spraying, or the like, similar to the method for coating the protective layer P described above.
- a sputtering apparatus has been described as an example of a thin film forming apparatus, but the plasma generating means of the present invention can also be applied to other types of thin film forming apparatuses.
- the thin film forming apparatus for example, an etching apparatus that performs etching using plasma, a CVD apparatus that performs CVD using plasma, or the like may be used.
- the present invention can be applied to a surface treatment apparatus that performs plasma surface treatment using plasma.
- the force using a so-called carousel type sputtering apparatus is not limited to this.
- the present invention can also be applied to other sputtering apparatuses in which a substrate is transported facing a region where plasma is generated.
- the dielectric plate 83 is fixed to the case body 81 using the fixed frame 84.
- the case body 81, the dielectric plate 83, the antennas 85a and 85b, and the fixture 88 are integrated, the case body 81 and the vacuum chamber 11 are fixed with bolts, so that the plasma generating means is the vacuum chamber 11 And connected.
- the method of fixing the dielectric plate 83 and the method of connecting the plasma generating means are not limited to this.
- FIG. 7 is a main part explanatory view for explaining another embodiment of the plasma generating means. In the embodiment shown in FIG.
- a dielectric as a dielectric wall of the present invention is provided between the vacuum chamber 11 and the fixed frame 184.
- the dielectric plate 183 is fixed to the vacuum chamber 11 by sandwiching the plate 183.
- the case body 181 as a lid of the present invention is fixed to the vacuum chamber 11 with a bolt so as to cover the dielectric plate 183 fixed to the vacuum chamber 11, and the plasma generating means 180 is fixed to the vacuum chamber 11.
- Antenna housing chamber 180A is formed by being surrounded by case body 181 and dielectric plate 183.
- a pipe 15a is connected to the antenna accommodating chamber 180A, and a vacuum pump 15 is connected to the tip of the pipe 15a so that the inside of the antenna accommodating chamber 180A can be decompressed.
- the antennas 85a and 85b are fixed to the case body 81 using the fixing tool 188 in the same manner as the antennas 85a and 85b are fixed to the case body 81 using the fixing tool 88. It is fixed to. If the case body 181 is removed from the vacuum chamber 11, the antennas 85a and 85b can be easily attached and detached, and the shapes of the antennas 85a and 85b can be easily changed.
- the antennas 85a and 85b that form a vortex in the same plane with respect to the plate-like dielectric plate 83 as shown in FIGS. 1 to 4 are fixed as the plasma generating means.
- the inductively coupled (flat plate) plasma generating means is used, the present invention is also applicable to a thin film forming apparatus provided with other types of plasma generating means.
- an induction electric field is generated in a region surrounded by a cylindrical dielectric wall by applying high-frequency power to an antenna wound in a vortex around a cylindrical dielectric wall made of a dielectric.
- the present invention can also be applied to an inductively coupled (cylindrical) plasma generating means for generating plasma by generating the plasma.
- FIG. 8 is an explanatory view of relevant parts for explaining inductively coupled (cylindrical) plasma generating means.
- a dielectric plate 283 is provided as the dielectric wall of the present invention.
- the dielectric plate 283 has a cylindrical shape.
- the dielectric plate 2 as the dielectric wall of the present invention is provided between the vacuum chamber 11 and the fixed frame 284.
- 83, and the dielectric plate 283 is fixed to the vacuum chamber 11.
- the case body 281 as the lid of the present invention is fixed to the vacuum chamber 11 with a bolt so as to cover the dielectric plate 283 fixed to the vacuum chamber 11, and the plasma generating means 280 is fixed to the vacuum chamber 11. It has been.
- antenna housing chamber 280A is formed by being surrounded by case body 281 and dielectric plate 283.
- a pipe 15a is connected to the antenna accommodating chamber 280A, and a vacuum pump 15 is connected to the tip of the pipe 15a so that the inside of the antenna accommodating chamber 280A can be decompressed.
- the antenna 285 is wound around the outer periphery of a cylindrical dielectric plate.
- the antenna 285 is fixed to the case body 281 using the fixing tool 288 in the same manner as the antennas 85 a and 85 b are fixed to the case body 81 using the fixing tool 88 in the above embodiment. If the case body 281 is removed from the vacuum tank 11, the antenna 285 can be easily attached and detached, or the shape of the antenna 285 can be easily changed.
- the dielectric plate 283 is sandwiched between the case body 281 and the fixed frame 84 to fix the dielectric plate 283 to the case body 281, and the case body 281.
- the dielectric plate 283, the antenna 285, and the fixture 288 may be integrated.
- the plasma generating means 280 can be connected to the vacuum tank 11 by fixing the case body 281 and the vacuum tank 11 with bolts, so that the plasma generating means 280 can be attached to and detached from the vacuum tank 11. It becomes easy.
- the pipe 15a is connected to both the inside of the vacuum chamber 11 and the inside of the antenna accommodating chamber 80A, and the vacuum pump 15 connected to the pipe 15a
- the inside and the antenna housing chamber 80A were exhausted.
- independent piping is connected to the inside of the vacuum chamber 11 and the interior of the antenna housing chamber 80A, and the inside of the vacuum chamber 11 and the inside of the antenna housing chamber 80A are exhausted by an independent vacuum pump connected to each piping. You may do it.
- the dielectric plate 83 is fitted to the fixing plates 88a and 88b, and the fixing plates 88a and 88b are fixed to the case body 81 with the fixing bolts 88c and 88d.
- 85b can be installed in the antenna chamber 80A by adjusting the distance D and fixing the antennas 85a, 85b.
- the wall surface of the partition wall 16 facing the reaction process zone 60 (H)
- the protective layer P made of an insulator may be formed on other portions.
- an insulator may be coated on the other part of the partition wall 16 other than the wall surface facing the reaction process zone 60 of the partition wall 16.
- the insulator may be coated on the other part of the inner wall surface of the vacuum chamber 11, for example, the entire inner wall surface in addition to the portion of the inner wall surface of the vacuum chamber 11 facing the reaction process zone 60.
- Partition wall 12 ⁇ Insulator may be covered.
- the tubular main body portion of the antenna 85a is made of copper and the covering layer is made of silver.
- the main body portion is made of a material that is inexpensive, easy to process, and has low electric resistance. Since the coating layer on which the current is concentrated needs only to be formed of a material having a lower electrical resistance than the main body, a combination of other materials may be used.
- the main body may be formed of aluminum or aluminum copper alloy, or the coating layer may be formed of copper or gold.
- the body and cover layer of antenna 85b can be similarly modified. Further, the antenna 85a and the antenna 85b may be formed of different materials.
- oxygen is introduced into the reaction process zone 60 as a reactive gas, but in addition, an oxygen-containing gas such as ozone and dinitrogen monoxide (NO), nitrogen Nikko
- Conductive gas carbonized gas such as methane, fluorine gas such as fluorine and carbon tetrafluoride (CF), etc.
- the present invention can be applied to plasma processing other than the acid treatment.
- titanium is used as the material of the targets 29a and 29b. 1S These oxides can be used without being limited thereto. Also, aluminum (A1), silicon (Si), zirconium (Zr), tin (Sn), chromium (Cr), tantalum (Ta), tellurium (Te), iron (Fe), magnesium (Mg) ), Hafnium (Hf), niobium (Nb), nickel'chromium (Ni-Cr), indium'tin (In-Sn), or other metals can be used. Also, use these metal compounds such as Al 2 O 3, SiO 2, ZrO 2, Ta 2 O 3, and HfO.
- plasma treatment in the reaction process zone 60 is performed.
- edge film conductive film such as ITO, magnetic film such as Fe 2 O, and super hard film such as TIN, CrN, TiC
- Insulating metal compounds such as TiO, ZrO, SiO, NbO, TaO are metals (
- the sputtering rate is extremely slow and the productivity is poor. Therefore, it is particularly effective to perform plasma treatment using the thin film forming apparatus of the present invention.
- the target 29a and the target 29b are made of the same material, but may be made of different materials.
- a single metal incomplete reactant is formed on the substrate by sputtering, and when a different metal target is used, an incomplete alloy reactant is formed. Is formed on the substrate Industrial applicability
- the film can be formed by bringing a certain proportion of ions into contact with the thin film while increasing the relative density of radicals in the reactive gas plasma to some extent. It becomes possible.
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- Engineering & Computer Science (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05768945A EP1790756A4 (en) | 2004-08-05 | 2005-08-05 | DEVICE FOR TRAINING THIN FILMS |
US11/659,388 US20070240637A1 (en) | 2004-08-05 | 2005-08-05 | Thin-Film Forming Apparatus |
HK07108852.3A HK1104068A1 (en) | 2004-08-05 | 2007-08-14 | Thin-film forming apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004229892A JP3986513B2 (ja) | 2004-08-05 | 2004-08-05 | 薄膜形成装置 |
JP2004-229892 | 2004-08-05 |
Publications (1)
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WO2006013968A1 true WO2006013968A1 (ja) | 2006-02-09 |
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PCT/JP2005/014413 WO2006013968A1 (ja) | 2004-08-05 | 2005-08-05 | 薄膜形成装置 |
Country Status (7)
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US (1) | US20070240637A1 (ja) |
EP (1) | EP1790756A4 (ja) |
JP (1) | JP3986513B2 (ja) |
KR (1) | KR20070053213A (ja) |
CN (1) | CN100543174C (ja) |
HK (1) | HK1104068A1 (ja) |
WO (1) | WO2006013968A1 (ja) |
Cited By (1)
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JP2010007125A (ja) * | 2008-06-26 | 2010-01-14 | Shincron:Kk | 成膜方法及び成膜装置 |
Families Citing this family (9)
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JP4789700B2 (ja) * | 2006-05-25 | 2011-10-12 | 株式会社シンクロン | 親水性薄膜の製造方法 |
EP2302093B1 (en) * | 2008-06-30 | 2012-10-31 | Shincron Co., Ltd. | Deposition apparatus and manufacturing method of thin film device. |
WO2010001718A1 (ja) * | 2008-06-30 | 2010-01-07 | 株式会社シンクロン | 蒸着装置及び薄膜デバイスの製造方法 |
DE202008008731U1 (de) * | 2008-07-02 | 2009-11-19 | Melitta Haushaltsprodukte Gmbh & Co. Kg | Anordnung zur Herstellung von Plasma |
WO2012032596A1 (ja) * | 2010-09-06 | 2012-03-15 | 株式会社イー・エム・ディー | プラズマ処理装置 |
WO2012033191A1 (ja) * | 2010-09-10 | 2012-03-15 | 株式会社イー・エム・ディー | プラズマ処理装置 |
KR20130099151A (ko) * | 2011-01-12 | 2013-09-05 | 니신 일렉트릭 컴패니 리미티드 | 플라스마 장치 |
JP6859162B2 (ja) * | 2017-03-31 | 2021-04-14 | 芝浦メカトロニクス株式会社 | プラズマ処理装置 |
DE102017109820B4 (de) * | 2017-04-26 | 2024-03-28 | VON ARDENNE Asset GmbH & Co. KG | Vakuumkammeranordnung und deren Verwendung |
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US4559477A (en) * | 1983-11-10 | 1985-12-17 | The United States Of America As Represented By The United States Department Of Energy | Three chamber negative ion source |
US4926075A (en) * | 1987-12-28 | 1990-05-15 | Makita Electric Works, Ltd. | Electric motor brush assembly adaptable to different stators |
IT1252474B (it) * | 1991-07-31 | 1995-06-16 | Proel Tecnologie Spa | Metodo per la realizzazione di griglie di estrazione per la generazione di ioni e griglie realizzate secondo detto metodo |
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US6238527B1 (en) * | 1997-10-08 | 2001-05-29 | Canon Kabushiki Kaisha | Thin film forming apparatus and method of forming thin film of compound by using the same |
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JP2000068227A (ja) * | 1998-08-24 | 2000-03-03 | Nissin Electric Co Ltd | 表面処理方法および装置 |
FR2794586B1 (fr) * | 1999-06-02 | 2001-08-03 | Commissariat Energie Atomique | Procede de traitement d'une reponse impulsionnelle avec seuil adaptatif et recepteur correspondant |
CN100468638C (zh) * | 2001-12-18 | 2009-03-11 | 松下电器产业株式会社 | 半导体元件的制造方法 |
JP3824993B2 (ja) * | 2002-12-25 | 2006-09-20 | 株式会社シンクロン | 薄膜の製造方法およびスパッタリング装置 |
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2004
- 2004-08-05 JP JP2004229892A patent/JP3986513B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-05 EP EP05768945A patent/EP1790756A4/en not_active Withdrawn
- 2005-08-05 CN CNB2005800264672A patent/CN100543174C/zh not_active Expired - Fee Related
- 2005-08-05 WO PCT/JP2005/014413 patent/WO2006013968A1/ja active Application Filing
- 2005-08-05 KR KR1020077002762A patent/KR20070053213A/ko not_active Application Discontinuation
- 2005-08-05 US US11/659,388 patent/US20070240637A1/en not_active Abandoned
-
2007
- 2007-08-14 HK HK07108852.3A patent/HK1104068A1/xx not_active IP Right Cessation
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JP2001234338A (ja) * | 2000-02-25 | 2001-08-31 | Shincron:Kk | 金属化合物薄膜の形成方法およびその形成装置 |
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Also Published As
Publication number | Publication date |
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US20070240637A1 (en) | 2007-10-18 |
CN1993492A (zh) | 2007-07-04 |
CN100543174C (zh) | 2009-09-23 |
JP3986513B2 (ja) | 2007-10-03 |
HK1104068A1 (en) | 2008-01-04 |
KR20070053213A (ko) | 2007-05-23 |
EP1790756A4 (en) | 2011-12-14 |
JP2006045633A (ja) | 2006-02-16 |
EP1790756A1 (en) | 2007-05-30 |
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