WO2014034229A1 - プラズマ処理装置及びこれを備えた基板処理装置 - Google Patents
プラズマ処理装置及びこれを備えた基板処理装置 Download PDFInfo
- Publication number
- WO2014034229A1 WO2014034229A1 PCT/JP2013/066648 JP2013066648W WO2014034229A1 WO 2014034229 A1 WO2014034229 A1 WO 2014034229A1 JP 2013066648 W JP2013066648 W JP 2013066648W WO 2014034229 A1 WO2014034229 A1 WO 2014034229A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- processing apparatus
- mounting table
- plasma processing
- plasma
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32733—Means for moving the material to be treated
- H01J37/32752—Means for moving the material to be treated for moving the material across the discharge
- H01J37/32761—Continuous moving
- H01J37/32779—Continuous moving of batches of workpieces
-
- 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
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4584—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally the substrate being rotated
-
- 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
- C23C16/50—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 using electric discharges
- C23C16/511—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 using electric discharges using microwave discharges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32192—Microwave generated discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32192—Microwave generated discharge
- H01J37/32211—Means for coupling power to the plasma
- H01J37/3222—Antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32458—Vessel
- H01J37/32513—Sealing means, e.g. sealing between different parts of the vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32697—Electrostatic control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32715—Workpiece holder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32715—Workpiece holder
- H01J37/32724—Temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32733—Means for moving the material to be treated
- H01J37/32743—Means for moving the material to be treated for introducing the material into processing chamber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32733—Means for moving the material to be treated
- H01J37/32752—Means for moving the material to be treated for moving the material across the discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32733—Means for moving the material to be treated
- H01J37/32788—Means for moving the material to be treated for extracting the material from the process chamber
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32798—Further details of plasma apparatus not provided for in groups H01J37/3244 - H01J37/32788; special provisions for cleaning or maintenance of the apparatus
- H01J37/32816—Pressure
- H01J37/32834—Exhausting
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
- H05H1/461—Microwave discharges
- H05H1/463—Microwave discharges using antennas or applicators
Definitions
- the present invention relates to a plasma processing apparatus for processing a plurality of substrates to be processed such as a semiconductor wafer and a liquid crystal substrate in a processing chamber, and a substrate processing apparatus including the plasma processing apparatus.
- a rotary mounting table for mounting a plurality of semiconductor wafers (hereinafter simply referred to as “wafers”) in a circumferential direction in a processing chamber (chamber) is provided.
- a plasma processing apparatus has been developed that performs a film forming process on each wafer while rotating the rotary mounting table (for example, see Patent Document 1 below).
- a so-called semi-batch type plasma processing apparatus a plurality of wafers can be processed at the same time, so that the throughput can be improved as compared with a single wafer type plasma processing apparatus that processes one by one. Can do.
- the locus of the wafer when the rotating table is rotated draws a smaller circle toward the center of the rotating table, and a larger circle toward the periphery of the rotating table.
- the peripheral speed of each part on the wafer surface is the same at the same part from the center of the rotating table, but the distance from the center of the rotating table is the same.
- the part moving away from the rotation center of the rotary mounting table moves faster, so the distance moved per unit time becomes larger.
- the plasma amount from the rotation center side to the peripheral side is adjusted by adjusting the length of the plasma generating portion in the diameter direction of the rotary mounting table.
- the apparatus of Patent Document 1 divides the rotary mounting table into a plurality of regions in the circumferential direction and performs different processing for each region, and plasma is generated only in a partial region in the circumferential direction. Therefore, it is not possible to perform plasma processing on each wafer simultaneously over the entire circumferential direction of the rotary mounting table.
- the present invention has been made in view of such problems, and the object of the present invention is to provide a plurality of substrates placed on the rotary mounting table along the circumferential direction over the entire surface of the rotary mounting table.
- An object of the present invention is to provide a plasma processing apparatus capable of uniform plasma processing from the inner side to the outer side of the trajectory of the substrate when the rotary mounting table is rotated at the same time.
- a plasma processing apparatus for performing plasma processing on a plurality of substrates disposed in a processing chamber, the plasma processing apparatus being rotatably disposed in the processing chamber.
- a rotary mounting table that is supported by a rotary shaft and on which a plurality of substrate mounting units for mounting the substrate are arranged in the circumferential direction, a processing gas supply unit that supplies a processing gas into the processing chamber, and the rotating mounting table.
- a plurality of microwave introduction mechanisms provided on the ceiling of the processing chamber and arranged in a ring along the circumferential direction to generate a plasma of the processing gas, and this is arranged when the rotary mounting table rotates.
- a plasma processing apparatus comprising: a plasma generation unit arranged in a plurality of rows spaced from the inside of the substrate trajectory to the outside of the substrate trajectory; and an exhaust unit for exhausting the processing chamber It is provided.
- the substrate can be processed simultaneously over the entire circumferential surface of the rotary mounting table. Compared with the case where plasma is formed, the time required for substrate processing can be greatly reduced.
- the plurality of microwave introduction mechanisms are arranged with a plurality of rows spaced from the inside of the substrate trajectory to the outside of the substrate trajectory when the rotary mounting table rotates, the plasma is introduced from the inside to the outside of the substrate trajectory.
- the process can be adjusted to be uniform. Thereby, the plasma processing can be made uniform from the inside to the outside of the trajectory of the substrate while further improving the throughput of the substrate processing.
- the microwave introduction mechanisms are arranged so as to be equally spaced in the circumferential direction, and that the intervals between the rows become narrower from the inside toward the outside.
- the plasma having the same plasma density can be generated for the parts having the same distance from the center of the rotary mounting table having the same moving distance per unit time, and the parts having different moving distances per unit time, that is, the unit.
- Plasma can be generated such that the plasma density is higher at a portion where the distance from the center of the rotary mounting table is longer. Thereby, the uniformity of plasma processing can be improved from the inside to the outside of the trajectory of the substrate.
- the plurality of microwave introduction mechanisms are arranged in at least three or more rows from the inside to the outside, and the innermost row of the microwave introduction mechanisms is disposed inside the locus of the substrate,
- the outermost row may be arranged outside the trajectory of the substrate.
- the outermost row of the microwave introduction mechanism is separated from the outermost side of the trajectory of the substrate by a distance corresponding to the distance between the microwave introduction mechanism and the rotary mounting table. According to this, even if the plasma potential is displaced near the side wall of the processing chamber, the displaced portion can be adjusted to the outside of the locus of the substrate, so that the plasma potential on the substrate can be adjusted to be uniform.
- the power of the microwave introduction mechanism may be increased in order from the inner row to the outer row. Also by this, the plasma density can be adjusted from the inside to the outside of the trajectory of the substrate, so that the processing uniformity can be improved.
- the processing gas supply unit has a plurality of gas holes for introducing the processing gas arranged in a ring along the circumferential direction on the ceiling of the processing chamber in a row, and a plurality of gas holes are formed from the inside to the outside of the trajectory of the substrate. It is preferable to arrange them in rows.
- the gas flow rate supplied from the gas holes may be adjustable for each row.
- the rotary mounting table may be provided with a through hole along the circumferential direction through which the processing gas passes inside the locus of the substrate. According to this, the uniformity of the plasma processing can be improved from the inside to the outside of the trajectory of the substrate by adjusting the distance between the gas holes in each row.
- Each of the substrate mounting portions includes an electrostatic chuck for electrostatically attracting the substrate, and the electrostatic chuck includes an electrode plate in an insulator, and the substrate is electrostatically attracted to the electrode plate. It may be configured to be able to apply both a direct current voltage for biasing and a high frequency bias power for applying a high frequency bias to the substrate.
- a terminal electrically connected to the electrode of each substrate mounting portion is provided on the rotating shaft of the rotating table, and the DC voltage is applied to the terminal on the rotating shaft side while the rotating table is rotating.
- the bias high-frequency power can be supplied. According to this, it is possible to always apply a DC voltage or a bias high frequency power while rotating the rotary mounting table.
- a heat transfer gas may be supplied to each of the substrate mounting portions between the mounted substrates.
- the heat transfer gas introduction groove is provided around the rotation axis of the rotary mounting table, and the heat transfer gas is supplied to the introduction groove while the rotary mounting table rotates. it can. According to this, it is possible to always supply the heat transfer gas while rotating the rotary mounting table.
- a cooling mechanism for cooling the substrate is provided below the electrostatic chuck of each substrate mounting portion, and the cooling mechanism circulates the refrigerant through a refrigerant flow path provided in the conductive member.
- a refrigerant introduction groove and a refrigerant outlet groove communicating with the refrigerant flow path are provided around the rotation axis of the rotary mounting table, and the refrigerant is introduced from the refrigerant introduction groove while the rotary mounting table rotates.
- coolant may be guide
- each substrate mounting portion of the rotary mounting table passes through the substrate mounting portion and the rotary mounting table, and the substrate is loaded from below to raise and lower the substrate with respect to the substrate mounting portion.
- a through-hole into which a lifter pin to be lifted can be inserted is provided, and the lifter pin may be inserted into and out from below the through-hole by a lifter mechanism provided at the bottom of the processing chamber so as to be separated from the rotary mounting table.
- the lifter mechanism may raise and lower the lifter pin by a magnetic fluid actuator, and the lifter pin may be sealed by a magnetic fluid seal. According to this, the substrate can be raised and lowered by the lifter pins without interfering with the rotation operation of the rotary mounting table.
- a heater for heating the substrate is disposed in the rotary mounting table below the electrostatic chuck of each substrate mounting unit, and the rotary mounting table is
- a heater for heating the substrate via a ground member having a ground potential may be disposed below the electrostatic chuck of each substrate mounting portion.
- a plurality of the heaters can be arranged from the inside to the outside along the circumferential direction of each of the substrate mounting portions.
- a heater may be provided that is spaced apart below the rotary mounting table and that heats the rotary mounting table from below. According to this, even if the bias high frequency power is applied while the wafer is heated by the heater, it is possible to prevent the bias high frequency power from leaking to the heater.
- a substrate processing apparatus including a vacuum transfer chamber capable of connecting a plasma processing apparatus for performing plasma processing on a plurality of substrates disposed in a processing chamber.
- the plasma processing apparatus is supported by a rotating shaft that is rotatably provided in the processing chamber, and has a rotary mounting table in which a plurality of substrate mounting portions on which the substrate is mounted are arranged in the circumferential direction, and the processing
- a processing gas supply unit for supplying a processing gas into the chamber, and a plurality of microwave introduction mechanisms provided on the ceiling of the processing chamber so as to face the rotary mounting table and for generating plasma of the processing gas in the circumferential direction
- the plasma generating units arranged in a row and arranged in a row from the inner side of the trajectory of the substrate when the rotary mounting table rotates to the outer side of the trajectory of the substrate;
- An exhaust unit for exhausting the atmosphere in the room, and the vacuum transfer chamber is connected to the plasma processing apparatus with a buffer chamber, and the
- the next substrate is set on the rotary mounting table 110. In doing so, it is only necessary to exchange the substrate with the buffer chamber, so that the time for carrying in and out the substrate can be greatly reduced.
- the substrate stored in the buffer chamber is carried in and out of the vacuum transfer chamber by the first transfer arm device provided in the vacuum transfer chamber, and provided separately from the first transfer arm device. You may make it carry in / out with the said plasma processing apparatus by the made 2nd conveyance arm apparatus.
- the second transfer arm device may be provided in an airtight transfer chamber connected between the buffer chamber and the plasma processing apparatus. According to this, since the exchange of the substrate between the plasma processing apparatus and the buffer chamber can be performed by the second transfer arm device, the throughput of the entire substrate transfer can be improved.
- the inside of the locus of the substrate when the rotary mounting table rotates can be made uniform from the outside to the outside.
- FIG. 5 is a block diagram illustrating a configuration example of a main amplifier illustrated in FIG. 4.
- FIG. 5 is a longitudinal cross-sectional view which shows the structural example of the microwave introduction mechanism shown in FIG. It is a figure for demonstrating the example of arrangement
- FIG. 13 It is sectional drawing which shows the structural example of the plasma processing apparatus to which the process gas supply part shown in FIG. 13 is applied. It is a figure for demonstrating the structure which forms the flow of the process gas to the center direction of a rotation mounting base in this embodiment. It is a top view of the rotation mounting base shown in FIG. It is a figure for demonstrating the modification of the structure which forms the flow of the process gas to the center direction of a rotation mounting base in this embodiment. It is a top view of the rotation mounting base shown in FIG. It is a longitudinal cross-sectional view which shows the other structural example of the rotation mounting base shown in FIG. It is a longitudinal cross-sectional view which shows the structural example in the case of providing a heater in the rotation mounting base shown in FIG.
- FIG. 27A It is operation
- FIG. 27B is an operation explanatory diagram following FIG. 27C.
- a configuration example of a plasma processing apparatus according to an embodiment of the present invention will be described with reference to the drawings.
- a semi-batch type plasma processing apparatus that generates surface wave plasma in a processing chamber by a plurality of microwave introduction mechanisms and performs plasma processing such as etching and film formation on a plurality of wafers W on a rotary mounting table.
- FIG. 1 is a cross-sectional view showing a schematic configuration of a semi-batch type plasma processing apparatus according to the present embodiment.
- FIG. 2 is a top view of the plasma generator shown in FIG.
- FIG. 3 is a top view of the rotary mounting table shown in FIG.
- the position of the gas hole 172 is indicated by a dotted line
- the position of the gas hole 172 and the microwave introduction mechanism 224 arranged on the rotary mounting table 110 are indicated by a one-dot chain line.
- a locus (inner side and outer side) of the wafer W when the rotary mounting table 110 is rotated is indicated by a dotted line.
- the plasma processing apparatus 100 includes a processing chamber (chamber) 102 made of a conductive material such as aluminum.
- the processing chamber 102 is constituted by an airtight processing container surrounded by a cylindrical side wall 104 having an opening at the top, a disk-shaped ceiling section 106, and a disk-shaped bottom section 108.
- the ceiling part 106 may be detachably provided by a fastening member such as a bolt.
- the processing chamber 102 is grounded.
- the shape of the processing chamber 102 is not limited to a cylindrical shape. For example, a rectangular tube shape (for example, a box shape) may be used.
- a rotary mounting table 110 is rotatably provided in the processing chamber 102.
- the rotary mounting table 110 includes a disk-shaped rotary table 112 on which a plurality of (here, five) wafers W are mounted in the circumferential direction, and a rotary shaft 114 that supports the rotary table 112 in the center.
- the rotating shaft 114 passes through a through hole 116 provided substantially at the center of the bottom 108 of the processing chamber 102 so as to be rotatable.
- a seal member 118 such as an O-ring is provided between the bottom portion 108 and the rotating shaft 114 in order to maintain airtightness in the processing chamber 102.
- the seal member 118 is not limited to the O-ring.
- the seal member 118 may be formed of a magnetic fluid seal in order to reduce the generation of particles.
- the lower end 120 of the rotating shaft 114 is inserted into the mounting table driving unit 130.
- the mounting table driving unit 130 is constituted by a motor or the like, and rotates the rotating shaft 114 in a predetermined direction, for example, clockwise.
- the lower end of the mounting table driving unit 130 is opened, and the energization terminal 122 provided on the bottom surface of the lower end 120 of the rotating shaft 114 is exposed downward.
- the power supply brush 150 connected to the power source is always brought into contact with the energization terminal 122 when supplying the necessary power to the rotary mounting table 110, for example, a DC voltage for electrostatic attraction of the wafer W described later.
- the necessary power can be supplied to the energizing terminal.
- the rotary table 112 is provided with a wafer mounting portion 113 for mounting the wafer W in the circumferential direction.
- Wafer mounting portions 113 are provided as many as the number of wafers to be processed at one time. When processing five wafers W at a time as in the present embodiment, as shown in FIG. 3, five wafer mounting portions 113 are provided at equal intervals in the circumferential direction. Note that the number of wafer placement units 113 is not limited to that illustrated.
- An electrostatic chuck 140 that electrostatically attracts and holds the wafer W is provided on the wafer mounting portion of the turntable 112.
- the electrostatic chuck 140 shown in FIG. 1 is attached to the upper surface of the turntable 112.
- an electrode 142 made of a conductive film such as copper foil is sandwiched between two polymer polyimide films or ceramics in an insulating state. Composed.
- Such an electrostatic chuck 140 can attract and hold the wafer W on the electrostatic chuck 140 by a Coulomb force generated by applying a DC voltage to the electrode 142.
- the electrode 142 of the electrostatic chuck 140 is configured to be able to apply not only such a DC voltage for electrostatic attraction but also high frequency power for bias during plasma processing.
- each electrode 142 of each electrostatic chuck 140 is connected to the energization terminal 122 via a wiring in the rotary mounting table 110.
- the power supply brush 150 in contact with the energization terminal 122 is connected to both a DC voltage power source 152 that supplies a DC voltage for electrostatic adsorption and a high frequency power source 154 that supplies a high frequency power for bias.
- the DC voltage power supply 152 may be provided with a filter (not shown) in order to prevent leakage of the bias high frequency power.
- a filter not shown
- the heater is attached to the rotary table 112 below the electrostatic chuck 140. By providing, it is possible to prevent high frequency power for bias from leaking to the heater.
- a gate valve G for opening and closing the wafer loading / unloading port is provided on the side wall 104 of the processing chamber 102. Further, a plurality of exhaust ports 160 are provided in the bottom portion 108 of the processing chamber 102 along the circumferential direction of the rotary mounting table 110. Each of these exhaust ports 160 is connected to an exhaust unit 164 including a vacuum pump (not shown) via an exhaust pipe 162. By exhausting the inside of the processing chamber 102 by the exhaust unit 164, the inside of the processing chamber 102 can be maintained in a predetermined vacuum atmosphere during the plasma processing.
- the ceiling 106 of the processing chamber 102 includes a processing gas supply unit 170 for supplying a predetermined processing gas into the processing chamber 102, and a plasma generation unit 200 for forming plasma of the processing gas in the processing chamber 102. Is arranged.
- the plasma generation unit 200 here generates microwave plasma, and thus functions as a microwave plasma source.
- the processing gas supply unit 170 is configured to provide a plurality of gas holes 172 in the ceiling portion 106 and supply the processing gas in a shower shape. These gas holes 172 communicate with a gas flow path 174 formed in the ceiling portion 106.
- a processing gas supply source 178 is connected to the gas flow path 174 via a pipe 176. The flow rate of the processing gas from the processing gas supply source 178 is controlled to a predetermined flow rate by a flow rate control unit such as a mass flow controller (MFC) (not shown) and supplied to the gas flow path 174.
- MFC mass flow controller
- the processing gas such as Ar gas can be uniformly discharged from the gas holes 172, the processing gas can be rapidly turned into plasma to generate uniform plasma.
- the gas holes 172 are arranged in a ring along the circumferential direction of the ceiling portion 106 to form one row, and a plurality of rows are arranged from the center side to the peripheral side of the ceiling portion 106.
- FIG. 2 shows an example in which four rows are arranged in a ring shape.
- the number of gas holes 172 and the number of rows are not limited to those illustrated.
- FIG. 4 is a block diagram showing the configuration of the plasma generation unit shown in FIG.
- FIG. 5 is a block diagram showing a configuration example of the main amplifier shown in FIG.
- FIG. 6 is a longitudinal sectional view showing a configuration example of the microwave introduction mechanism shown in FIG.
- the plasma generation unit 200 in the present embodiment is provided so as to face the inside of the processing chamber 102 from the upper opening of the processing chamber 102 as shown in FIG.
- the plasma generation unit 200 distributes the microwaves to a plurality of paths and outputs a microwave, and guides the microwaves output from the microwave output unit 210 into the processing chamber 102 and within the processing chamber 102.
- a microwave supply unit 220 for radiating the light is provided so as to face the inside of the processing chamber 102 from the upper opening of the processing chamber 102 as shown in FIG.
- the plasma generation unit 200 distributes the microwaves to a plurality of paths and outputs a microwave, and guides the microwaves output from the microwave output unit 210 into the processing chamber 102 and within the processing chamber 102.
- a microwave supply unit 220 for radiating the light.
- the microwave output unit 210 includes a microwave power supply 212, a microwave oscillator 214, an amplifier 216 that amplifies the oscillated microwave, and a distributor 218 that distributes the amplified microwave into a plurality of parts.
- the microwave oscillator 214 oscillates a microwave having a predetermined frequency (for example, 2.45 GHz), for example, by PLL.
- the distributor 218 distributes the microwave amplified by the amplifier 216 while maintaining impedance matching between the input side and the output side so that the loss of the microwave does not occur as much as possible.
- the microwave frequency 8.35 GHz, 5.8 GHz, 1.98 GHz, 915 MHz, or the like can be used in addition to 2.45 GHz.
- the microwave supply unit 220 has a plurality of antenna modules 221 that guide the microwaves distributed by the distributor 218 into the processing chamber 102.
- Each antenna module 221 includes an amplifier 222 that mainly amplifies the distributed microwave and a microwave introduction mechanism 224.
- Each microwave introduction mechanism 224 is roughly classified as shown in FIG. 1.
- a coaxial waveguide 230 that transmits a microwave, and an antenna unit that radiates the microwave transmitted through the waveguide 230 into the processing chamber 102.
- a tuner 250 for matching the impedance of a load (plasma) in the processing chamber 102 is provided in the waveguide 230.
- Each microwave introduction mechanism 224 is disposed on the ceiling portion 106.
- Dielectric members 107 made of a dielectric material such as quartz are provided on the ceiling portion 106 at the location where the microwave introduction mechanism 224 is disposed. Thereby, the ceiling part 106 can be functioned as a microwave permeation
- a specific configuration example of each microwave introduction mechanism 224 will be described later.
- Each microwave introduction mechanism 224 takes into consideration the efficiency and in-plane uniformity when plasma processing is performed on each wafer W while rotating the rotary mounting table 110, for example, as shown in FIG. Are arranged in a circle along a line, and are arranged in a row separated from the locus of the wafer W from the inner side to the outer side of the wafer W.
- the wafer W can be processed simultaneously over the entire circumferential surface of the rotary mounting table 110, and therefore in some areas. Compared with the case where plasma is formed, the time required for processing the wafer W can be greatly reduced.
- the plurality of microwave introduction mechanisms 224 are arranged so as to be spaced apart from each other by a plurality of rows from the inner side of the wafer W trajectory when the rotary mounting table 110 is rotated to the outer side of the wafer W trajectory,
- the plasma treatment can be adjusted to be uniform from the inside to the outside.
- the plasma processing can be made uniform from the inside to the outside of the locus of the wafer W while further improving the throughput of the wafer processing.
- the number and the number of rows of the microwave introduction mechanisms 224 are not limited to those illustrated. Details of the arrangement of the microwave introduction mechanisms 224 will be described later.
- microwaves When microwaves are radiated from the antenna unit 240 of each microwave introduction mechanism 224 into the processing chamber 102, the microwaves are synthesized in the space in the processing chamber 102, and surface wave plasma is generated in the processing chamber 102. It is supposed to be formed.
- the amplifier unit 222 of each antenna module 221 includes, for example, a phase shifter 226, a variable gain amplifier 227, a main amplifier 228 constituting a solid state amplifier, and an isolator 229 as shown in FIG.
- the phase shifter 226 here is configured to change the phase of the microwave, and the radiation characteristic can be modulated by adjusting this. For example, by adjusting the phase for each antenna module, the directivity can be controlled to change the plasma distribution.
- the variable gain amplifier 227 is an amplifier for adjusting the power level of the microwave input to the main amplifier 228 and adjusting variations of individual antenna modules or adjusting plasma intensity. By changing the variable gain amplifier 227 for each antenna module, the generated plasma can be distributed.
- the main amplifier 228 here may be configured as a solid state amplifier including an input matching circuit 228a, a semiconductor amplifying element 228b, an output matching circuit 228c, and a high Q resonance circuit 228d, as shown in FIG. 5, for example. it can.
- the isolator 229 separates reflected microwaves reflected by the antenna unit 240 and directed to the main amplifier 228, and has a circulator and a dummy load (coaxial terminator).
- the circulator guides the microwave reflected by the antenna unit 240 to the dummy load, and the dummy load converts the reflected microwave guided by the circulator into heat.
- FIG. 6 is a cross-sectional view showing a specific configuration example of the microwave introduction mechanism in the present embodiment. Since each microwave introduction mechanism 224 is configured in the same manner, one microwave introduction mechanism 224 will be described as a representative here.
- the microwave introduction mechanism 224 includes a coaxial waveguide 230 that transmits a microwave, and an antenna unit 240 that radiates the microwave transmitted through the waveguide 230 into the processing chamber 102. is doing.
- the microwaves radiated from the microwave introduction mechanism 224 into the processing chamber 102 are combined in the space in the processing chamber 102, and surface wave plasma is formed in the processing chamber 102.
- the waveguide 230 is formed by coaxially arranging a cylindrical outer conductor 232 and a rod-shaped inner conductor 234 provided at the center thereof, and an antenna section 240 is provided at the lower end (tip) of the waveguide 230. ing.
- the inner conductor 234 is on the power supply side
- the outer conductor 232 is on the ground side.
- the upper end (base end) of the outer conductor 232 and the inner conductor 234 is a reflector 236.
- a tuner 250 is provided in the waveguide 230 to match the impedance of the load (plasma) in the processing chamber 102 with the characteristic impedance of the microwave power source in the microwave output unit 210.
- the tuner 250 includes two slags 252a and 252b provided in the waveguide 230 side by side, and a slag driving unit 260 that slides the slags 252a and 252b.
- the microwave introduction mechanism 224 in the present embodiment is configured to supply power from the side instead of from the top, the slag driving unit 260 can be provided outside (upper side) of the reflector 236.
- Each of the slugs 252a and 252b is made of an annular dielectric provided between the outer conductor 232 and the inner conductor 234, and is slidable between them.
- the annular slags 252a and 252b are respectively provided with slide members 254a and 254b made of resin having slipperiness in the central hole.
- the slide members 254a and 254b are disposed in the inner conductor 234, inserted into a slit (not shown) formed in the longitudinal direction of the inner conductor 234 on the outer periphery thereof, and supported on the inner periphery of the annular slugs 252a and 252b. Protrusions are formed so that As a result, the slugs 252a and 252b can slide up and down along the inner conductor 234.
- slag moving shafts 262a and 262b each having a screw formed on the outer periphery provided along the longitudinal direction in the inner space of the inner conductor 234 are screwed into the slide members 254a and 254b, respectively.
- screw holes and through holes are provided in the slide members 254a and 254b, respectively, the slug movement shaft 262a is screwed into the screw holes of the slide member 254a, and the slug movement shaft 262b is inserted into the through hole.
- the slug movement shaft 262b is screwed into the screw hole of the other slide member 254b, and the slug movement shaft 262a is inserted into the through hole.
- the slag moving shafts 262a and 262b are rotationally driven by the slag driving unit 260. Specifically, the slag moving shafts 262 a and 262 b extend through the reflector 236 to the slag driving unit 260.
- a bearing (not shown) is provided between the slug movement shafts 262a and 262b and the reflection plate 236.
- a bearing portion 264 made of a conductor is provided at the lower end of the inner conductor 234, and the lower ends of the slug movement shafts 262a and 262b are pivotally supported by the bearing portion 264.
- the slag driving unit 260 is provided with rotation driving units 268a and 268b configured by motors, gears, and the like that rotate the slag moving shafts 262a and 262b in the housing 266, respectively.
- the motors of the rotation drive units 268a and 268b are each provided with an encoder so that the positions of the slugs 252a and 252b can be detected.
- the slag 252a can be moved up and down by rotating the slag moving shaft 262a by the rotation driving unit 268a and sliding the slide member 254a, and by rotating the slag moving shaft 262b by the rotation driving unit 268b.
- By sliding the slide member 254b only the slug 252b can be raised and lowered.
- the positions of the slags 252a and 252b are controlled by the slag controller 269.
- the slag controller 269 is driven to rotate based on the impedance value of the input end detected by an impedance detector (not shown) and the positional information of the slags 252a and 252b detected by the encoders of the rotation driving units 268a and 268b. Impedance is adjusted by sending a control signal to the motors of the sections 268a and 268b and controlling the positions of the slugs 252a and 252b.
- the slag controller 269 executes impedance matching so that the termination is, for example, 50 ⁇ . When only one of the two slags 252a and 252b is moved, a locus passing through the origin of the Smith chart is drawn, and when both are moved simultaneously, only the phase is rotated.
- a power feeding mechanism 270 that feeds microwaves (electromagnetic waves) is provided on the side surface of the waveguide 230 (outer conductor 232) on the proximal end side of the waveguide 230.
- the power supply mechanism 270 includes a coaxial line 272 including an inner conductor 272a and an outer conductor 272b as a power supply line for supplying the microwave amplified from the amplifier unit 222.
- the coaxial line 272 is connected to the microwave power introduction port 274 provided on the side surface of the outer conductor 232 of the waveguide 230, and the end of the inner conductor 272 a of the coaxial line 272 is placed inside the outer conductor 232 of the waveguide 230.
- a feed antenna 276 that extends horizontally toward is connected.
- the feeding antenna 276 is formed as a microstrip line on a PCB substrate which is a printed circuit board, for example.
- a slow wave material 277 made of a dielectric material such as Teflon (registered trademark) for shortening the effective wavelength of the reflected wave is provided between the reflector 236 and the power supply antenna 276.
- Teflon registered trademark
- the slow wave member 277 is not necessarily provided.
- the electromagnetic wave radiated from the power feeding antenna 276 is reflected by the reflecting plate 236, so that the maximum electromagnetic wave is transmitted into the waveguide 230 having the coaxial structure.
- the distance from the feeding antenna 276 to the reflector 236 is set to a half wavelength multiple of about ⁇ g / 4.
- the feed antenna 276 contacts the first pole 276a connected to the inner conductor 272a of the coaxial line 272 and supplied with electromagnetic waves at the microwave power introduction port 274 and the inner conductor 234 of the waveguide 230, for example.
- the electromagnetic wave incident on the antenna body and the electromagnetic wave reflected by the reflecting portion 276c are configured to form a standing wave.
- the microwave power is supplied to the space between the outer conductor 232 and the inner conductor 234 of the waveguide 230 when the power supply antenna 276 radiates microwaves (electromagnetic waves). Then, the microwave power supplied to the power feeding mechanism 270 propagates toward the antenna unit 240.
- the antenna unit 240 is configured to function as a microwave radiation antenna.
- the antenna unit 240 includes a planar slot antenna 242 having a slot 242a, and a slow wave member 244 provided on the upper surface.
- a cylindrical member 244a made of a conductor passes through the center of the slow wave member 244 to connect the bearing portion 264 and the planar slot antenna 242.
- the inner conductor 234 is connected to the planar slot antenna 242 via the bearing portion 264 and the cylindrical member 244a.
- a slow wave material 246 is disposed on the front end side (lower end side) of the planar slot antenna 242.
- the lower end of the outer conductor 232 extends to the planar slot antenna 242 and covers the periphery of the slow wave material 244. Further, the periphery of the planar slot antenna 242 and the slow wave member 246 is covered with a covered conductor 248.
- the slow wave materials 244 and 246 have a dielectric constant greater than that of vacuum, and are made of, for example, a fluorine resin such as quartz, ceramics, polytetrafluoroethylene, or a polyimide resin. Since the microwave wavelength becomes longer in vacuum, the antenna can be made smaller by shortening the wavelength of microwave by making the slow wave materials 244 and 246 have a dielectric constant larger than that of the vacuum.
- a fluorine resin such as quartz, ceramics, polytetrafluoroethylene, or a polyimide resin. Since the microwave wavelength becomes longer in vacuum, the antenna can be made smaller by shortening the wavelength of microwave by making the slow wave materials 244 and 246 have a dielectric constant larger than that of the vacuum.
- the phase of the microwave can be adjusted by the thickness of the slow wave members 244 and 246, and the thickness thereof is adjusted so that the planar slot antenna 242 becomes a “wave” of the standing wave. Thereby, reflection can be minimized and the radiation energy of the planar slot antenna 242 can be maximized.
- each microwave introduction mechanism 224 is provided in contact with the upper surface of each dielectric member 107 provided on the ceiling portion 106. Then, the microwave amplified by the main amplifier 228 passes between the peripheral walls of the inner conductor 234 and the outer conductor 232, passes through the slow wave member 246 and the dielectric member 107 of the ceiling portion 106 from the slot 242 a of the planar slot antenna 242. Is emitted to the space in the processing chamber 102.
- the main amplifier 228, the tuner 250, and the planar slot antenna 242 are arranged close to each other.
- the tuner 250 and the planar slot antenna 242 constitute a lumped constant circuit existing within a half wavelength, and the combined resistance of the planar slot antenna 242 and the slow wave members 244 and 246 is set to 50 ⁇ . Therefore, the tuner 250 is directly tuned with respect to the plasma load, and can efficiently transmit energy to the plasma.
- the control unit 179 includes a storage unit that stores a process recipe of the plasma processing apparatus 100 and a process recipe that is a control parameter, an input unit, a display, and the like, and controls the plasma processing apparatus according to the selected process recipe. ing.
- each stationary table 110 is rotated while rotating the rotating table 110. Place one by one on the electric chuck 140.
- a DC voltage is supplied to each electrostatic chuck 140 to electrostatically attract the wafer W.
- the plasma processing is started while rotating the rotary mounting table 110. That is, for example, an etching gas or a film forming gas is introduced into the processing chamber 102 from the processing gas supply unit 170, and a microwave is introduced into the processing chamber 102 from the plasma generation unit 200 to generate surface wave plasma. Thereby, plasma processing is performed on all the wafers W.
- the microwave power oscillated from the microwave oscillator 214 of the microwave output unit 210 is amplified by the amplifier 216 and then divided into a plurality by the distributor 218.
- the distributed microwave power is guided to the microwave supply unit 220.
- the microwave power distributed to the plurality of units is individually amplified by the main amplifier 228 constituting the solid-state amplifier, is fed to the waveguide 230 of each microwave introduction mechanism 224, and the impedance is output from the tuner 250.
- the processing chamber 102 through the slow wave member 244 of the antenna unit 240, the planar slot antenna 242, the slow wave member 246, and the dielectric member 107 of the ceiling portion 106 in a state where there is substantially no power reflection.
- the surface wave plasma is generated.
- the locus of the wafer W when the rotary mounting table 110 rotates is, for example, as shown in FIG.
- a circular trajectory inner circle indicated by a one-dot chain line
- a circular shape drawn near the peripheral portion having the largest distance from the center of the rotary mounting table 110 It becomes an annular region between the trajectory (outer circle shown by a one-dot chain line).
- the microwave introduction mechanisms 224 are arranged in a line along the circumferential direction of the rotary mounting table 110, for example, as shown in FIGS.
- FIGS. 2 and 3 show an example in which three rows are arranged in a ring shape.
- microwave introduction mechanisms 224 in a plurality of rows in an annular shape from the inside to the outside of the locus of the wafer W, plasma is generated in an annular region through which the wafer W passes when the rotary mounting table 110 is rotated. Can do. Thereby, each wafer W can be efficiently plasma-processed.
- the microwave introduction mechanisms 224 in a plurality of rows from the inner side of the wafer W to the outer side of the wafer W, a portion of the rotating wafer W that is in the radial direction from the center of the rotary mounting table 110 is arranged. It is possible to improve the in-plane uniformity of the plasma processing. That is, since the plasma generated in the processing chamber 102 is distorted in the vicinity of the side wall of the processing chamber 102, the plasma of each wafer W is made uniform by disposing each microwave introduction mechanism 224 outside the locus of the wafer W. Can be adjusted.
- FIG. 7 and 8 are diagrams for explaining the arrangement of the microwave introduction mechanism 224, respectively.
- the rotary mounting table 110 and the wafer W are indicated by dotted lines, and the locus (inner side and outer side) of the wafer W when the rotary mounting table 110 is rotated is indicated by alternate long and short dash lines.
- the locus of the wafer W when the rotary mounting table 110 is rotated draws a smaller circle toward the center of the rotary mounting table 110 and a larger circle toward the peripheral side of the rotary mounting table 110.
- the time for each point on the surface of the wafer W to contact the plasma differs depending on the distance from the center of the rotary mounting table 110. Specifically, on each wafer surface, the shorter the distance from the center of the rotary mounting table 110 is, the longer the time for contacting the plasma is, and the longer the distance from the center of the rotating mounting table 110 is, the shorter the time for contacting the plasma is.
- the microwave introduction mechanisms 224 are arranged so as to be equally spaced Y in the circumferential direction, and the rows are arranged so that the interval between the rows becomes narrower from the inside to the outside of the wafer W trajectory.
- the circumferential interval L of the microwave introduction mechanisms 224 in each row is the same, and the most The distance R ′ in the second row and the third row is made smaller than the distance R in the first row and the second row close to the center.
- the plasma density increases as the plasma density becomes the same in the circumferential direction and the distance from the center of the rotary mounting table 110 increases.
- plasma can be generated.
- each microwave introduction mechanism 224 it is preferable to adjust so that the radial processing of the rotary mounting table 110 is uniform on the surface of the wafer W. Specifically, it is preferable to adjust the plasma potential on the wafer W so as to be substantially the same. However, even if such adjustment is made, the plasma potential becomes zero on the side wall 104 (ground potential) of the processing chamber 102, so that the plasma potential does not reach near the side wall 104 as shown in FIG. Change will be greater.
- the magnitude of the change in the plasma potential in the vicinity of the side wall 104 changes according to the distance D between the plasma generation unit 200 and the rotary mounting table 110. Specifically, as the distance D between the plasma generation unit 200 and the rotary mounting table 110 increases, the change in the plasma potential in the vicinity of the side wall 104 increases.
- the distance X corresponding to the distance D between the plasma generation unit 200 and the rotary mounting table 110 from the outermost side of the trajectory of the wafer W is in a range of 1 ⁇ 4 to 1 ⁇ 2 of the distance D between the plasma generation unit 200 and the rotary mounting table 110. It is preferable to adjust with. As a result, the plasma potential similar to that of the central portion of the wafer W can be obtained even in a portion near the side wall 104 on the surface of the wafer W.
- the uniformity of processing between the portion near the side wall 104 on the surface of the wafer W and the central portion can be improved.
- the distance Y from the innermost side of the trajectory of the wafer W is adjusted so that the center of the rotary mounting table 110 on the surface of the wafer W is adjusted.
- the plasma potential can be adjusted.
- the power of each microwave introduction mechanism 224 may be adjusted. Specifically, the power of the microwave introduction mechanism 224 may be increased in order from the inner row to the outer row. Also by this, the plasma can be generated so that the plasma density increases as the distance from the center of the rotary mounting table 110 increases.
- the microwave introduction mechanism 224 in the present embodiment is exemplified by the case where the slag driving unit 260 can be provided in the upper part by allowing the microwave to be introduced from the side part.
- the configuration of the wave introduction mechanism 224 is not limited to this.
- a configuration in which microwaves are introduced from the top and the slag drive unit 260 is provided on the side may be used.
- the plasma processing apparatus 100 can function as an apparatus for performing a film forming process or an etching process that requires heating the wafer W.
- the heater for adjusting the temperature of the wafer W may be provided separately from the rotary mounting table 110 or may be provided directly on the rotary mounting table 110.
- a case where the rotary mounting table 110 is heated by a heater that is spaced apart below the rotary mounting table 110 will be described as an example.
- 9 and 10 are diagrams for explaining a configuration example in the case where a heater is provided below the rotary mounting table. In FIG. 10, the positions of the rotary mounting table 110 and the wafer W on the heater 180 are indicated by a one-dot chain line.
- an annular heater 180 is disposed below the rotary mounting table 110.
- the heater 180 is arranged away from the rotary mounting table 110 so as not to interfere with the rotation operation of the rotary mounting table 110.
- it may be provided at the bottom 108 of the processing chamber 102. Thereby, it is possible to heat the rotary mounting table 110 while rotating it from below with the annular heater 180, thereby adjusting each wafer W to a predetermined temperature.
- the rotary mounting table 110 may be divided into a plurality of zones from the center side to the peripheral side, and a heater may be arranged in each zone so that the temperature of each zone can be controlled independently.
- a heater may be arranged in each zone so that the temperature of each zone can be controlled independently.
- FIG. 10 when the rotary mounting table 110 is divided into three zones from the center side to the peripheral side, the inner side passing through the innermost portion of the locus of the wafer W when the rotary mounting table 110 is rotated.
- the heater 180a in the zone, the heater 180c in the outer zone that passes through the portion closest to the outermost side of the locus of the wafer W, and the heater 180b that passes through the intermediate zone between them are respectively attached to the bottom 108 of the processing chamber 102. . Thereby, it is possible to control heating of each zone independently.
- Each heater 180a, 180b, 180c may be divided into a plurality of parts as shown in FIG. 9, or may be provided integrally. When the heaters 180a, 180b, and 180c are divided and provided, the number of divisions is not limited to that shown in FIG.
- the rotary mounting table 110 since the rotary mounting table 110 is heated from a distance, the rotary mounting table 110 is made of an insulating material having good thermal conductivity, such as quartz or carbon, and the heater 180 is a radiant heat heater. By comprising, it can be heated efficiently. Further, according to such a configuration, high-temperature heating can be performed, so that the plasma processing apparatus 100 can function as a film-forming apparatus that performs film-forming processing that requires high-temperature heating of the wafer W.
- 11 and 12 are diagrams for explaining a configuration example in the case where a heater is provided on the rotary mounting table.
- the annular heater 182 is directly arranged on the rotary mounting table 110.
- the heater 182 is disposed below each electrostatic chuck 140.
- the rotary mounting table 110 may be provided so as to be embedded under each electrostatic chuck 140.
- each wafer W can be heated by each annular heater 182 while rotating the rotary mounting table 110, whereby each wafer W can be adjusted to a predetermined temperature.
- the wafer W may be divided into a plurality of zones concentrically from the center side to the peripheral side, and a heater may be arranged in each zone so that the temperature of each zone can be controlled independently.
- a heater may be arranged in each zone so that the temperature of each zone can be controlled independently.
- FIG. 12 when the wafer is divided into three zones from the center side to the peripheral side, the heater 182a in the inner zone closest to the center of the wafer W, the heater 182c in the outer zone closest to the peripheral edge of the wafer W, An intermediate zone heater 182b between them is attached to the lower side of the electrostatic chuck 140 as shown in FIG. Thereby, it is possible to control heating of each zone independently. Further, in this case, the temperature of each wafer W can be controlled independently.
- the wafer W is heated from the lower side of each electrostatic chuck 140, so that the fine in-plane temperature control of the surface of the wafer W is possible.
- the plasma processing apparatus 100 can also function as an etching apparatus that performs an etching process that requires fine temperature control of the wafer W.
- FIG. 13 and 14 are diagrams for explaining another configuration example of the processing gas supply unit.
- the plasma generation unit 200 is omitted.
- FIG. 13 the positions of the rotary mounting table 110 and the wafer W are indicated by a one-dot chain line.
- the processing gas supply unit 170 is divided into a plurality of zones from the center side to the peripheral side of the rotary mounting table 110, heaters are arranged in the respective zones, and processing is performed independently in each zone.
- the gas can be supplied.
- the rotary mounting table 110 is divided into three zones from the center side to the peripheral side, the inner side passing through the innermost portion of the locus of the wafer W when the rotary mounting table 110 is rotated.
- the gas holes 172a are formed in the zone
- the gas holes 172c are formed in the outer zone passing through the outermost portion of the trajectory of the wafer W
- the gas holes 172b are formed in a ring in the circumferential direction.
- the gas holes 172a, 172b, and 172c communicate with gas flow paths 174a, 174b, and 174c that are independently formed inside the ceiling portion 106 of the processing chamber 102, respectively.
- the first, second, and third process gas supply sources 178a, 178b, and 178c are connected to the gas flow paths 174a, 174b, and 174c through pipes 176a, 176b, and 176c, respectively.
- the first, second, and third processing gas supply sources 178a, 178b, and 178c may supply the same type of processing gas, or supply different types of processing gases.
- the flow rates of the processing gases from the processing gas supply sources 178a, 178b, and 178c are respectively controlled to a predetermined flow rate by a flow rate control unit such as a mass flow controller (MFC) (not shown), so that the gas flow paths 174a, 174b, and 174c It comes to be supplied.
- MFC mass flow controller
- the processing gases from the processing gas supply sources 178a, 178b, 178c are discharged independently from the gas holes 172a, 172b, 172c, respectively. Can do.
- the processing gas discharged from the gas holes 172 a, 172 b, and 172 c is discharged toward the wafer W of the rotary mounting table 110 and passes between the side of the rotary mounting table 110 and the side wall 104 of the processing chamber 102, and the exhaust port 160. Exhausted from.
- a through hole through which the processing gas passes may be provided in the rotary mounting table 110 shown in FIG. 14 so as to form a flow of processing gas from the wafer W toward the center of the rotary mounting table 110.
- a plurality of through holes 166 are annularly arranged inside the locus of the wafer W when the rotary mounting table 110 rotates.
- the processing gas discharged from the gas holes 172 a, 172 b, 172 c toward the wafer W of the rotary mounting table 110 is side walls of the rotary mounting table 110 and the side walls of the processing chamber 102.
- the air flows into the through hole 166 of the rotary mounting table 110 as well as between the air outlet 104 and the exhaust port 160.
- the through holes 166 in the rotary mounting table 110 are not limited to those shown in FIGS.
- a through hole 168 may be provided so as to surround each wafer W placed on the rotary mounting table 110. According to this, on the wafer W, not only the flow of the process gas toward the peripheral side of the rotary mounting table 110 but also the flow of the process gas toward the center side can be formed. Also, since the through holes 168 shown in FIG. 16 are provided around each wafer W, a flow of processing gas from the center to the entire periphery can be formed on the wafer as shown in FIG. , Uniformity of processing on the entire surface of the wafer W can be further improved.
- FIG. 19 is a cross-sectional view of the plasma processing apparatus shown in FIG. 1 when a rotary mounting table according to another configuration example is applied.
- the configuration other than the rotation mounting table is the same as that shown in FIG. 1, and thus detailed description thereof is omitted.
- the rotary mounting table 110 shown in FIG. 19 is configured by covering a rotary table 112 and a rotary shaft 114 made of a material having good thermal conductivity, for example, a metal such as aluminum, with an insulating member 115 such as ceramic.
- a rotary shaft 114 made of a material having good thermal conductivity, for example, a metal such as aluminum, with an insulating member 115 such as ceramic.
- the upper end of the rotating shaft 114 is inserted into a hole provided in the center of the rotating table 112, and the lower end of the rotating shaft 114 protrudes from the insulating member 115 and is inserted into the mounting table driving unit 130.
- a cooling mechanism for cooling the wafer W is provided in each wafer mounting portion 113 of the rotary mounting table 110.
- a coolant channel 190 is provided in a disk-shaped convex portion 191 made of metal having good thermal conductivity such as aluminum formed on the upper surface of the turntable 112, and the coolant channel 190 is not shown in the figure.
- a refrigerant for example, cooling water
- a refrigerant having a predetermined temperature from the chiller unit is introduced from the introduction pipe 192 and led out from the lead-out pipe 193 so as to circulate and supply the cooling medium 190.
- the introduction pipe 192 and the lead-out pipe 193 communicate with the refrigerant flow path 190 of the wafer W of each wafer mounting portion 113 via the lead-in line 194 and the lead-out line 195 provided in the rotary table 112 and the rotary shaft 114, respectively. ing.
- the introduction line 194 and the lead-out line 195 in the rotary shaft 114 are in communication with annular groove portions 196 and 197 formed on the entire side surface of the lower end portion 120 of the rotary shaft 114, respectively.
- the upper and lower sides of the annular grooves 196 and 197 are sealed with a sealing member such as an O-ring.
- the introduction pipe 192 and the lead-out pipe 193 are arranged so as to face the annular grooves 196 and 197 from the side surface of the mounting table driving unit 130, respectively.
- each wafer W can be cooled and controlled to a desired temperature even during plasma processing while rotating the rotary mounting table 110.
- Each wafer mounting portion 113 of the rotary mounting table 110 has a heat transfer gas supply mechanism (not shown) that supplies a heat transfer gas such as He gas between the upper surface of the electrostatic chuck 140 and the rear surface of the wafer W. Can be provided.
- the wafer temperature can be maintained at a desired temperature by supplying the heat transfer gas and increasing the thermal conductivity to the back surface of the wafer.
- the heat transfer gas supply mechanism is not particularly shown, but the heat transfer gas supply mechanism also has a gas line communicating with the upper surface of each electrostatic chuck 140 inside the rotary table 112 and the rotary shaft 114 as in the cooling mechanism. The gas line is communicated with an annular groove formed on the entire side surface of the lower end 120 of the rotating shaft 114.
- the heat transfer gas can be supplied to the back surface of each wafer W while rotating by introducing the heat transfer gas so as to face the heat transfer gas introduction pipe in the annular groove.
- these annular grooves are provided on the side surfaces of the lower end 120 of the rotating shaft 114 so as not to interfere with each other.
- a heater for heating the wafer W can be provided in the plasma processing apparatus 100 shown in FIG.
- a heater 180 can be provided below the rotary mounting table 110, and as shown in FIGS. 11 and 12, A heater 182 can also be provided.
- a heater 182 (182a, 182b, 182c) is disposed in the ground member 184.
- the ground member 184 can be formed of an insulating member such as ceramic. By doing so, it is possible to prevent high frequency power for bias applied to each electrostatic chuck 140 from leaking to the heater 182.
- the heater 182 may be provided with a filter that cuts off high-frequency power for bias.
- the configuration of the processing gas supply unit 170 shown in FIGS. 13 and 14 can be applied, and the through-hole shown in FIGS. 166, FIGS. 17 and 18 may be formed.
- FIG. 21 is a cross-sectional view showing another configuration example of the plasma generating unit
- FIG. 22 is a plan view of the plasma generating unit 300 shown in FIG. 21 as viewed from above
- FIG. It is a top view at the time of seeing from upper direction.
- the configuration other than the plasma generation unit 300 is the same as that shown in FIG.
- the position of the gas hole 172 is indicated by a dotted line
- the position of the gas hole 172, microwaves disposed on the rotary mounting table 110, the waveguide 310, and the plunger 330 is indicated by a dashed line.
- the locus (inner side and outer side) of the wafer W when the rotary mounting table 110 is rotated is indicated by dotted lines.
- Each waveguide 310 is a rectangular waveguide, and defines a waveguide WG extending radially from the center side to the peripheral side of the ceiling portion 106.
- the number and shape of the waveguides 310 are not limited to this.
- a microwave generator 320 is connected to each waveguide 310.
- the microwave generator 320 generates a microwave of about 2.45 GHz, for example, and supplies the microwave to the waveguide 310.
- Each waveguide 310 has a lower conductor portion 311 that defines the waveguide WG from below.
- the lower conductor portion 311 is in contact with the upper surface of the ceiling portion 106 of the processing chamber 102.
- the lower conductor portion 311 and the ceiling portion 106 are formed with a plurality of openings 312 that pass through the lower conductor portion 311 and the ceiling portion 106.
- a dielectric member 314 made of a dielectric material such as quartz is inserted into each of the openings 312 so as to protrude downward from the lower surface of the ceiling portion 106. Thereby, the ceiling part 106 can be functioned as a microwave permeation
- a plunger 330 is disposed above each waveguide 310 so as to face each dielectric member 314.
- Each plunger 330 has a reflecting plate 332 and a position adjusting mechanism 334.
- the reflecting plate 332 of each plunger 330 faces each dielectric member 314 with the waveguide 310 interposed therebetween.
- the position adjusting mechanism 334 of each plunger 330 has a function of adjusting the distance in the axis Z direction from the waveguide WG of the reflecting plate 332.
- the plunger 330 and the dielectric member 314 take into account the efficiency and in-plane uniformity when plasma processing is performed on each wafer W while rotating the rotary mounting table 110, for example, as shown in FIGS. 110 are arranged in a ring along the circumferential direction of the wafer 110 so as to form a single row, which are arranged so as to be spaced apart from each other by a plurality of rows from the inner side of the wafer W to the outer side of the wafer W. Note that the number and the number of rows of the plungers 330 and the dielectric members 314 are not limited to those illustrated.
- the processing gas is supplied into the processing chamber 102 by the processing gas supply unit 170 while rotating the rotary mounting table 110 on which the five wafers W are mounted. Then, a microwave is generated by the microwave generator 320. The generated microwave propagates through the plurality of waveguides 310 and is emitted from the plurality of dielectric members 314 into the processing chamber 102. As a result, plasma of a processing gas is generated in the processing chamber 102 and a predetermined plasma processing is performed on each wafer W.
- the configuration of the processing gas supply unit 170 shown in FIGS. 13 and 14 can be applied, and the through hole 166 shown in FIGS. 17, a through hole 168 shown in FIG. 18 may be formed. Further, either or both of the heater 180 shown in FIGS. 9 and 10 and the heater 182 shown in FIGS. 11 and 12 may be provided, or the rotary mounting table 110 shown in FIGS. 19 and 20 may be applied. .
- FIG. 24 is a cross-sectional view showing a schematic configuration of the substrate processing apparatus in the present embodiment.
- 25 is a longitudinal sectional view of the substrate processing apparatus shown in FIG.
- a substrate processing apparatus 400 shown in FIG. 24 includes a vacuum transfer chamber (common transfer chamber) 420 to which a plurality of semi-batch type plasma processing apparatuses 100 and a plurality of single-wafer type plasma processing apparatuses 410 can be connected.
- a vacuum transfer chamber common transfer chamber
- the vacuum transfer chamber 420 shown in FIG. 24 is formed in a pentagon that is long in one direction.
- Two semi-batch type plasma processing apparatuses 100A and 100B are connected to the tip of the vacuum transfer chamber 420 via a gate valve G, and a total of four single wafer type plasma processing apparatuses 410C to 410F, two on each side.
- a gate valve G is connected to the tip of the vacuum transfer chamber 420 via a gate valve G
- two load lock chambers LLA and LLB are connected to the base end portion via a gate valve G, respectively.
- the load lock chambers LLA and LLB have a function of temporarily holding the wafer W and adjusting the pressure to pass to the next stage.
- a delivery table on which the wafer W can be placed is provided in each of the load lock chambers LLA and LLB.
- a transfer arm device (first transfer arm device) 430 having a double arm mechanism having two transfer arms is provided along a guide rail 432 provided along the longitudinal direction of the vacuum transfer chamber 420. And is slidable.
- the position in the sliding direction is preset according to the chamber to be accessed.
- a position closer to the front end side and a position closer to the base end side in the vacuum transfer chamber 420 are set in advance.
- the transfer arm apparatus 430 when accessing one of the semi-batch type plasma processing apparatuses 100A and 100B and the two single wafer type plasma processing apparatuses 420C and 420D, the transfer arm apparatus 430 is disposed at a position closer to the front end side. By turning the transfer arm at this position, the wafer W can be carried in and out by moving the transfer arm forward and backward in the direction of the plasma processing apparatus to be accessed.
- the transfer arm apparatus 430 when accessing one of the two single-wafer plasma processing apparatuses 410E and 410F and the two load lock chambers LLA and LLB, the transfer arm apparatus 430 is disposed at a position closer to the base end side. By turning the transfer arm at this position, the wafer W can be carried in and out by moving the transfer arm forward and backward in the direction of the plasma processing to be accessed.
- the load lock chambers LLA and LLB are each connected to an atmospheric transfer chamber 440 in an atmospheric pressure atmosphere via a gate valve G.
- a storage container 442 storing a plurality of (for example, 25 lots of one lot) wafers W can be set on the storage table 444.
- a load port 446 serving as an inlet for the wafer W is provided so as to correspond to each storage table 444.
- the atmospheric transfer chamber 440 is provided with an orienter (pre-alignment stage) 448 as a wafer W positioning device.
- the orienter 447 includes, for example, a rotary mounting table and an optical sensor for optically detecting the peripheral portion of the wafer W, and performs alignment by detecting an orientation flat, a notch or the like of the wafer W.
- a transfer arm device 450 having a double arm mechanism having two transfer arms is slidable in the longitudinal direction of the atmospheric transfer chamber 440.
- the transfer arm device 450 can load / unload the wafer W from / to each storage container 442 via a load port 446, and load / unload the wafer W from / to the load lock chambers LLA and LLB via a gate valve G. It can be done.
- a new wafer W is loaded from the atmospheric transfer chamber 440 as needed into the load lock chamber, it is taken out by the transfer arm device 430 and processed. It is designed to be transported.
- the plasma processing is started after setting a plurality of wafers W on the rotary mounting table 110 as described above. Therefore, if such semi-batch type plasma processing apparatuses 100A and 100B are directly connected to the vacuum transfer chamber 420 via a gate valve, the transfer arm device 450 of the atmospheric transfer chamber 440 and the transfer arm device 430 of the vacuum transfer chamber 420 are connected. The wafers W are exchanged one by one while operating the. In this case, it takes time to set all the wafers W on the rotary mounting table 110.
- each of the semi-batch type plasma processing apparatuses 100A and 100B has a number of wafers that can be mounted on at least the rotary mounting table 110. It is preferable to connect to the vacuum transfer chamber 420 via buffer chambers 460A and 460B that can temporarily store W.
- the buffer chambers 460A and 460B are configured by being provided with a substrate holding portion 462 that can hold a plurality of wafers W side by side in a vertically movable manner.
- the next wafer W is rotated and loaded. Since the wafer W only needs to be exchanged with the buffer chamber 460 when it is set on the mounting table 110, the loading / unloading time of the wafer W can be greatly reduced.
- transfer arm devices (second transfer arm devices) 470A and 470B are provided between the semi-batch type plasma processing apparatuses 100A and 100B and the buffer chambers 460A and 460B, respectively.
- Airtight transfer chambers 480A and 480B may be provided.
- each of the transfer arm devices 470A and 470B may be configured by a double arm mechanism having two transfer arms as shown in FIG. 24, or may be configured by a single arm mechanism having one transfer arm. .
- the transfer arm apparatuses 470A and 470B are respectively connected to the buffer chambers 460A. , 460B.
- each electrostatic chuck 140 of the rotary mounting table 110 is provided with a lifter mechanism that lifts and lowers the wafer W with lift pins.
- the rotary mounting table 110 of the plasma processing apparatus 100 rotates, even when the wafer W is carried in and out, the wafer W is moved to the electrostatic chuck one by one while rotating the rotary mounting table 110. 140 can be placed.
- a lifter mechanism 500 capable of raising and lowering the lifter pins 502 is provided in the vicinity of the gate valve G so as to be spaced downward from the rotary mounting table 110. Further, at least three through-holes 144 that penetrate the rotary mounting table 110 and the electrostatic chuck 140 are provided as holes through which the lifter pins 502 are passed from below in the portions where the electrostatic chucks 140 of the rotary mounting table 110 are arranged.
- the lifter mechanism 500 is driven when the electrostatic chuck 140 is at the position opposite to the gate valve G, and the lifter pin 502 is inserted into the through hole 144 of the electrostatic chuck 140, and from above.
- the wafer W can be lifted from the electrostatic chuck 140 by being raised until protruding.
- Such a lifter mechanism 500 may have any configuration as long as the lifter pin 502 can be raised and lowered.
- the lifter mechanism 500 is configured, for example, by providing a lifter pin that can be moved up and down in a casing and a motor that drives the lifter pin 502 to move up and down.
- a seal member is provided around the lifter pin 502 for sealing.
- an O-ring or a magnetic fluid seal may be used as the seal member here.
- the magnetic fluid is a colloidal dispersion of fine particles such as Fe 3 O 4 in a dispersion medium.
- the magnetic fluid seal is magnetic along magnetic flux lines formed by magnets in a gap where the seal is arranged. It holds fluid. The magnetic fluid held in the gap by the magnetic force does not flow even if there is a pressure difference, and acts like a liquid O-ring. For this reason, in the magnetic fluid seal, since there is no contact between solids such as an O-ring, friction loss is small, and generation of particles due to friction can be prevented.
- the magnetic fluid seal is sealed with liquid as described above, when sealing a linearly moving shaft such as the lifter pin 502, the magnetic fluid may be dragged by the movement of the shaft. For this reason, the lift stroke of the lifter pin 502 cannot be made very long. Therefore, when the lift stroke of the lifter pin 502 is lengthened, the lifter pin 502 may be lifted / lowered using, for example, a link mechanism.
- the lifter mechanism 500 supports a shaft 506 that is lifted and lowered by a motor (not shown) in a housing 504 via a magnetic fluid seal 510 so as to be lifted and lowered.
- the magnetic fluid seal 510 is configured such that the magnetic fluid 516 is held in a gap between the ball piece 514 and the shaft 506 with a magnet 512 interposed therebetween. According to this, the magnetic fluid 516 is held by the magnetic lines of force of the magnet 512, and the shaft 506 can be sealed.
- the lifter pins 502 are supported by a link mechanism 520 so as to be movable up and down.
- the link mechanism 520 includes a pivotable link 522 and has a function of converting the pivoting movement of the link 522 into the lifting movement of the lifter pin 502.
- a heater 530 may be provided in the housing 504 of the lifter mechanism 500 in order to suppress generation of particles.
- the magnetic fluid seal 510 here may be applied as the seal member 118 of the rotary mounting table 110 shown in FIG. Further, instead of providing the magnetic fluid seal 510, a magnetic fluid actuator may be provided to drive the shaft 506 up and down. Furthermore, the lifter pin may be moved up and down directly by a magnetic fluid actuator.
- FIG. 27A to FIG. 27D are explanatory diagrams of operations when a wafer is mounted on the rotary mounting table in the present embodiment.
- the case where the wafer W is placed on the electrostatic chuck 140 of the plasma processing apparatus 100A shown in FIG. 25 will be described as an example.
- the rotary mounting table 110 is rotated and the electrostatic chuck 140 as shown in FIGS. 25 and 27A. Is moved to a position facing the gate valve G. Then, the lifter pin 502 is lifted by the lifter mechanism 500, and the lifter pin 502 is inserted into the through hole 144 as shown in FIG. 27B.
- the wafer W is carried into the plasma processing apparatus 100A via the gate valve G by the transfer arm device 470A, and the wafer W is placed on the lifter pins 502 as shown in FIG. 27C.
- the lifter pins 502 are lowered by the lifter mechanism 500, and the wafer W is lowered and placed on the electrostatic chuck 140 as shown in FIG. 27D.
- the lifter pins 502 are further lowered and returned to their original positions, that is, positions that do not interfere with the rotational operation of the rotary mounting table 110.
- the wafer W is mounted on each electrostatic chuck 140 of the rotary mounting table 110 by repeating the operations of FIGS. 27A to 27D.
- the rotary mounting table 110 is rotated to start the plasma processing.
- the buffer chambers 430A and 430B are provided between the plasma processing apparatuses 100A and 100B and the vacuum transfer chamber 420 has been described as an example. It is not a thing.
- the buffer chambers 430A and 430B may be provided in place of any of the single-wafer type plasma processing apparatuses 410C to 410F.
- the number of semi-batch type plasma processing apparatuses and single-wafer type plasma processing apparatuses is not limited to that shown in FIG.
- the vacuum transfer device that can connect them is not limited to that shown in FIG.
- the present invention can be applied to a plasma processing apparatus for processing a plurality of substrates to be processed such as a semiconductor wafer and a liquid crystal substrate in a processing chamber and a substrate processing apparatus having the same.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electromagnetism (AREA)
- Plasma Technology (AREA)
- Drying Of Semiconductors (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
先ず,本発明の実施形態にかかるプラズマ処理装置の構成例を図面を参照しながら説明する。ここでは,複数のマイクロ波導入機構により処理室内に表面波プラズマを発生させて,回転載置台上の複数のウエハWに対してエッチングや成膜などのプラズマ処理を行うセミバッチ式のプラズマ処理装置の例を挙げる。
ここで,図1に示すプラズマ生成部200の構成例について図面を参照しながら説明する。ここでは,処理室102の天井部106に,処理室102内にマイクロ波プラズマを生成するための複数のマイクロ波導入機構を設けたプラズマ生成部200を例に挙げる。図4は,図1に示すプラズマ生成部の構成を示すブロック図である。図5は,図4に示すメインアンプの構成例を示すブロック図である。図6は,図1に示すマイクロ波導入機構の構成例を示す縦断面図である。
次に,マイクロ波導入機構224の具体的構成例について図面を参照しながら説明する。ここでは,マイクロ波導入機構224をマイクロ波を伝送する導波路の側部から給電可能に構成した場合を例に挙げる。図6は,本実施形態におけるマイクロ波導入機構の具体的構成例を示す断面図である。各マイクロ波導入機構224はすべて同様に構成されるので,ここでは1つのマイクロ波導入機構224を代表して説明する。
次に,図1に示すプラズマ処理装置100において,ウエハWの加熱するためのヒータを設ける場合について図面を参照しながら説明する。このようなヒータを設けることにより,プラズマ処理装置100をウエハWの加熱が必要な成膜処理やエッチング処理を行う装置として機能させることができる。
次に,図1に示すプラズマ処理装置100において,処理ガス供給部170の他の構成例について図面を参照しながら説明する。図13,図14は,処理ガス供給部の他の構成例を説明するための図である。図14ではプラズマ生成部200を省略している。なお,図13には,回転載置台110とウエハWの位置を一点鎖線で示している。
次に,本実施形態にかかるプラズマズ処理装置において適用可能な回転載置台の他の構成例について図面を参照しなら説明する。ここでは,図1に示すプラズマズ処理装置110において,回転載置台110を各ウエハWを冷却可能に構成した場合を例に挙げる。これによれば,プラズマ処理装置100をウエハWを冷却しながらエッチング処理を行う装置として機能させることができる。図19は図1に示すプラズマ処理装置に他の構成例にかかる回転載置台を適用した場合の断面図である。図19において回転載置台以外の構成については図1に示すものと同様であるため,その詳細な説明を省略する。
次に,本実施形態にかかるプラズマ処理装置100に適用可能なプラズマ生成部の他の構成例について図面を参照しながら説明する。ここでは,処理室102内にマイクロ波プラズマを生成するための複数の導波管を天井部106に配設したプラズマ生成部300を例に挙げる。図21は,プラズマ生成部の他の構成例を示す断面図であり,図22は図21に示すプラズマ生成部300を上方から見た場合の平面図であり,図23は回転載置台110を上方から見た場合の平面図である。
次に,上述した本実施形態にかかるプラズマ処理装置を接続可能な真空搬送室を備えた基板処理装置の構成例について図面を参照しながら説明する。図24は本実施形態における基板処理装置の概略構成を示す横断面図である。図25は,図24に示す基板処理装置の縦断面図である。
上述した本実施形態にかかるセミバッチ式のプラズマ処理装置100において,回転載置台110の各静電チャック140にリフトピンでウエハWを上げ下ろしするリフタ機構を設ける場合について説明する。
102 処理室
104 側壁
106 天井部
107 誘電体部材
108 底部
110 回転載置台
112 回転テーブル
113 ウエハ載置部
114 回転軸
115 絶縁部材
116 貫通孔
118 シール部材
120 下端部
122 通電用端子
130 載置台駆動部
140 静電チャック
142 電極
144 貫通孔
150 給電ブラシ
152 直流電圧電源
154 高周波電源
160 排気口
162 排気管
164 排気部
166 貫通孔
168 貫通孔
170 処理ガス供給部
172(172a,172b,172c) ガス孔
174(174a,174b,174c) ガス流路
176(176a,176b,176c) 配管
178 処理ガス供給源
178a 第1処理ガス供給源
178b 第2処理ガス供給源
178c 第3処理ガス供給源
179 制御部
180(180a,180b,180c) ヒータ
182(182a,182b,182c) ヒータ
184 接地部材
190 冷媒流路
191 円板状凸部
192 導入配管
193 導出配管
194 導入ライン
195 導出ライン
196,197 環状溝部
200 プラズマ生成部
210 マイクロ波出力部
212 マイクロ波電源
214 マイクロ波発振器
216 アンプ
218 分配器
220 マイクロ波供給部
221 アンテナモジュール
222 アンプ部
224 マイクロ波導入機構
230 導波路
240 アンテナ部
250 チューナ
252a,252b スラグ
260 スラグ駆動部
274 マイクロ波電力導入ポート
276 給電アンテナ
300 プラズマ生成部
310 導波管
311 下側導体部
312 開口部
314 誘電体部材
320 マイクロ波発生器
330 プランジャ
332 反射板
334 位置調整機構
400 基板処理装置
100A,100B セミバッチ式プラズマ処理装置
410C~410F 枚葉式プラズマ処理装置
420 真空搬送室
430 搬送アーム装置
430A,430B バッファ室
432 案内レール
440 大気搬送室
442 収納容器
444 収納台
446 ロードポート
450 搬送アーム装置
460A,460B バッファ室
462 基板保持部
470A,470B 搬送アーム装置
480A,480B 搬送室
500 リフタ機構
502 リフタピン
510 磁性流体シール
520 リンク機構
530 ヒータ
LLA,LLB ロードロック室
G ゲートバルブ
W ウエハ
Claims (23)
- 処理室内に配置した複数の基板に対してプラズマ処理を施すプラズマ処理装置であって,
前記処理室内に回転自在に配設された回転軸に支持され,前記基板を載置する基板載置部を周方向に複数並べて設けた回転載置台と,
前記処理室内に処理ガスを供給する処理ガス供給部と,
前記回転載置台に対向して前記処理室の天井に設けられ,前記処理ガスのプラズマを生成するための複数のマイクロ波導入機構を周方向に沿って環状に並べて一列とし,これを前記回転載置台が回転したときの前記基板の軌跡よりも内側から,前記基板の軌跡よりも外側にかけて複数列離間して配列したプラズマ生成部と,
前記処理室内を排気する排気部と,
を備えたことを特徴とするプラズマ処理装置。 - 前記各マイクロ波導入機構はそれぞれ周方向には等間隔になるように配列するとともに,前記各列の間隔は内側から外側に向かうほど狭くなるように配列することを特徴とする請求項1に記載のプラズマ処理装置。
- 前記複数のマイクロ波導入機構は,内側から外側にかけて少なくとも3列以上に配列し,
前記マイクロ波導入機構の最も内側の列は,前記基板の軌跡よりも内側に配置され,
前記マイクロ波導入機構の最も外側の列は,前記基板の軌跡よりも外側に配置されることを特徴とする請求項2に記載のプラズマ処理装置。 - 前記マイクロ波導入機構の最も外側の列は,前記基板の軌跡のうち最も外側から,前記マイクロ波導入機構と前記回転載置台との距離に応じた距離だけ離間させることを特徴とする請求項3に記載のプラズマ処理装置。
- 前記マイクロ波導入機構のパワーを内側の列から外側の列にかけて順に大きくなるようにすることを特徴とする請求項1~4のいずれかに記載のプラズマ処理装置。
- 前記処理ガス供給部は,前記処理室の天井に,前記処理ガスを導入する複数のガス孔を周方向に沿って環状に並べて一列とし,これを前記基板の軌跡の内側から外側にかけて複数列離間して配列することを特徴とする請求項1~5のいずれかに記載のプラズマ処理装置。
- 前記ガス孔から供給されるガス流量を,各列ごとに調整可能にしたことを特徴とする請求項6に記載のプラズマ処理装置。
- 前記回転載置台には,前記基板の軌跡よりも内側に処理ガスが通る貫通孔を周方向に沿って設けることを特徴とする請求項1~7のいずれかに記載のプラズマ処理装置。
- 前記各基板載置部は,前記基板を静電吸着させる静電チャックを備え,
前記静電チャックは絶縁体内に電極板を備えて構成され,この電極板には前記基板を静電吸着させるための直流電圧と,前記基板に高周波バイアスを印加するためのバイアス用高周波電力の両方を印加可能に構成したことを特徴とする請求項1~8のいずれかに記載のプラズマ処理装置。 - 前記回転載置台の回転軸に,前記各基板載置部の電極に電気的に接続される端子を設け,前記回転載置台の回転しながら前記回転軸側の端子に前記直流電圧と前記バイアス用高周波電力が給電されるように構成したことを特徴とする請求項9に記載のプラズマ処理装置。
- 前記各基板載置部には,載置された前記基板との間に伝熱ガスが供給されることを特徴とする請求項1~10のいずれかに記載のプラズマ処理装置。
- 前記回転載置台の回転軸の周りに前記伝熱ガスの導入溝を設け,前記回転載置台が回転しながら前記導入溝に前記伝熱ガスが供給されるように構成したことを特徴とする請求項11に記載のプラズマ処理装置。
- 前記各基板載置部の前記静電チャックの下側に,前記基板を冷却する冷却機構を設け,
前記冷却機構は,導電性部材内に設けた冷媒流路に冷媒を循環させるように構成したことを特徴とする請求項1~12のいずれかに記載のプラズマ処理装置。 - 前記回転載置台の回転軸の周りに前記冷媒流路に連通する冷媒導入溝と冷媒導出溝を設け,前記回転載置台が回転しながら前記冷媒導入溝から冷媒が導入され,前記冷媒導出溝から冷媒が導出されるように構成したことを特徴とする請求項13に記載のプラズマ処理装置。
- 前記回転載置台の前記各基板載置部にはその基板載置部と前記回転載置台を貫通して,前記基板載置部に対して前記基板を上げ下ろしするために前記基板を下方から持ち上げるリフタピンを挿入可能な貫通孔が設けられ,
前記リフタピンは,前記回転載置台から離間して前記処理室の底部に設けられたリフタ機構によって前記貫通孔の下方から出し入れされることを特徴とする請求項1~14のいずれかに記載のプラズマ処理装置。 - 前記リフタ機構は,磁性流体アクチュエータによって前記リフタピンを昇降させることを特徴とする請求項15に記載のプラズマ処理装置。
- 前記リフタピンは,磁性流体シールによりシールしたことを特徴とする請求項15又は16に記載のプラズマ処理装置。
- 前記回転載置台を絶縁材料で構成したときには,前記各基板載置部の前記静電チャックの下側の前記回転載置台内に前記基板を加熱するヒータを配置し,
前記回転載置台を導電性材料で構成したときには,前記各基板載置部の前記静電チャックの下側に,接地電位を有する接地部材を介して前記基板を加熱するヒータを配置することを特徴とする請求項9~17のいずれかに記載のプラズマ処理装置。 - 前記ヒータは,前記各基板載置部の周方向に沿って内側から外側にかけて複数配置したことを特徴とする請求項18に記載のプラズマ処理装置。
- 前記回転載置台の下方に離間して配置され,前記回転載置台を下方から加熱するヒータを設けたことを特徴とする請求項1~19のいずれかに記載のプラズマ処理装置。
- 処理室内に配置した複数の基板に対してプラズマ処理を施すプラズマ処理装置を接続可能な真空搬送室を備えた基板処理装置であって,
前記プラズマ処理装置は,
前記処理室内に回転自在に設けられた回転軸に支持され,前記基板を載置する基板載置部を周方向に複数並べて設けた回転載置台と,
前記処理室内に処理ガスを供給する処理ガス供給部と,
前記回転載置台に対向して前記処理室の天井に設けられ,前記処理ガスのプラズマを生成するための複数のマイクロ波導入機構を周方向に沿って環状に並べて一列とし,これを前記回転載置台が回転したときの前記基板の軌跡よりも内側から,前記基板の軌跡よりも外側にかけて複数列離間して配列したプラズマ生成部と,
前記処理室内の雰囲気を排気する排気部と,を備え,
前記真空搬送室は,前記プラズマ処理装置との間にバッファ室を接続し,
前記バッファ室は,少なくとも前記プラズマ処理装置の回転載置台に載置可能な数以上の前記基板を一時的に収納可能に構成したことを特徴とする基板処理装置。 - 前記バッファ室に収納される基板は,前記真空搬送室に設けられた第1搬送アーム装置によって,前記真空搬送室との間で搬出入されるとともに,前記第1搬送アーム装置とは別に設けられた第2搬送アーム装置によって,前記プラズマ処理装置との間で搬出入されることを特徴とする請求項21に記載の基板処理装置。
- 前記第2搬送アーム装置は,前記バッファ室と前記プラズマ処理装置との間に接続された気密室に設けられることを特徴とする請求項22に記載の基板処理装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/424,483 US20150255258A1 (en) | 2012-09-03 | 2013-06-18 | Plasma processing apparatus and substrate processing apparatus provided with same |
KR1020157005309A KR20150048754A (ko) | 2012-09-03 | 2013-06-18 | 플라즈마 처리 장치 및 이것을 구비한 기판 처리 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-192961 | 2012-09-03 | ||
JP2012192961A JP2014049667A (ja) | 2012-09-03 | 2012-09-03 | プラズマ処理装置及びこれを備えた基板処理装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014034229A1 true WO2014034229A1 (ja) | 2014-03-06 |
Family
ID=50183053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/066648 WO2014034229A1 (ja) | 2012-09-03 | 2013-06-18 | プラズマ処理装置及びこれを備えた基板処理装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20150255258A1 (ja) |
JP (1) | JP2014049667A (ja) |
KR (1) | KR20150048754A (ja) |
TW (1) | TW201423827A (ja) |
WO (1) | WO2014034229A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018510475A (ja) * | 2015-03-23 | 2018-04-12 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | ダイレクトアップコンバージョンを用いてマイクロ波フィールドの回転周波数をデジタル制御するプラズマリアクタ |
CN108396311A (zh) * | 2018-05-18 | 2018-08-14 | 宁波英飞迈材料科技有限公司 | 高通量pecvd装置和方法 |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10388493B2 (en) * | 2011-09-16 | 2019-08-20 | Lam Research Corporation | Component of a substrate support assembly producing localized magnetic fields |
JP6410622B2 (ja) * | 2014-03-11 | 2018-10-24 | 東京エレクトロン株式会社 | プラズマ処理装置及び成膜方法 |
JP6329110B2 (ja) * | 2014-09-30 | 2018-05-23 | 芝浦メカトロニクス株式会社 | プラズマ処理装置 |
CN105097406B (zh) * | 2015-06-11 | 2017-06-09 | 京东方科技集团股份有限公司 | 平滑装置、平滑方法、薄膜晶体管、显示基板及显示装置 |
KR102309790B1 (ko) * | 2015-08-11 | 2021-10-12 | 삼성디스플레이 주식회사 | 기판 처리 시스템 |
KR101999838B1 (ko) * | 2015-08-11 | 2019-07-15 | 삼성디스플레이 주식회사 | 기판 처리 시스템 |
JP6573164B2 (ja) * | 2015-09-25 | 2019-09-11 | パナソニックIpマネジメント株式会社 | プラズマ処理装置 |
US10748745B2 (en) * | 2016-08-16 | 2020-08-18 | Applied Materials, Inc. | Modular microwave plasma source |
TWI713799B (zh) * | 2016-11-15 | 2020-12-21 | 美商應用材料股份有限公司 | 用於移動基板之完整電漿覆蓋的動態相控陣列電漿源 |
TWI616555B (zh) * | 2017-01-17 | 2018-03-01 | 漢民科技股份有限公司 | 應用於半導體設備之噴氣裝置 |
US11201078B2 (en) * | 2017-02-14 | 2021-12-14 | Applied Materials, Inc. | Substrate position calibration for substrate supports in substrate processing systems |
US10790118B2 (en) * | 2017-03-16 | 2020-09-29 | Mks Instruments, Inc. | Microwave applicator with solid-state generator power source |
US10427128B2 (en) * | 2017-05-25 | 2019-10-01 | Pear Labs Llc | Non-thermal plasma gate device |
US10204765B2 (en) * | 2017-05-25 | 2019-02-12 | Pear Labs Llc | Non-thermal plasma gate device |
JP7158131B2 (ja) * | 2017-05-30 | 2022-10-21 | 東京エレクトロン株式会社 | ステージ及びプラズマ処理装置 |
JP7208168B2 (ja) * | 2017-06-16 | 2023-01-18 | チュソン エンジニアリング カンパニー,リミテッド | 基板処理装置及び真空回転電気コネクタ |
JP2019009305A (ja) * | 2017-06-26 | 2019-01-17 | 東京エレクトロン株式会社 | プラズマ処理装置 |
SG11201912566WA (en) * | 2017-06-27 | 2020-01-30 | Canon Anelva Corp | Plasma processing apparatus |
JP6595002B2 (ja) | 2017-06-27 | 2019-10-23 | キヤノンアネルバ株式会社 | スパッタリング装置 |
CN110800377B (zh) | 2017-06-27 | 2022-04-29 | 佳能安内华股份有限公司 | 等离子体处理装置 |
KR102421625B1 (ko) | 2017-06-27 | 2022-07-19 | 캐논 아네르바 가부시키가이샤 | 플라스마 처리 장치 |
JP6914149B2 (ja) * | 2017-09-07 | 2021-08-04 | 東京エレクトロン株式会社 | プラズマ処理装置 |
TWI658489B (zh) * | 2017-09-14 | 2019-05-01 | 南韓商吉佳藍科技股份有限公司 | 包括能夠旋轉之靜電吸盤之電漿基板處理裝置及利用其之基板處理方法 |
JP6960813B2 (ja) * | 2017-09-20 | 2021-11-05 | 東京エレクトロン株式会社 | グラフェン構造体の形成方法および形成装置 |
KR20190067356A (ko) * | 2017-12-07 | 2019-06-17 | 삼성전자주식회사 | 막 형성 장치 |
JP7145648B2 (ja) * | 2018-05-22 | 2022-10-03 | 東京エレクトロン株式会社 | 基板処理方法及び基板処理装置 |
WO2019231614A1 (en) * | 2018-05-31 | 2019-12-05 | Applied Materials, Inc. | Extreme uniformity heated substrate support assembly |
TWI716725B (zh) * | 2018-06-13 | 2021-01-21 | 財團法人工業技術研究院 | 電漿處理裝置 |
SG11202009122YA (en) | 2018-06-26 | 2020-10-29 | Canon Anelva Corp | Plasma processing apparatus, plasma processing method, program, and memory medium |
CN109285756B (zh) * | 2018-10-12 | 2024-04-30 | 江苏晋誉达半导体股份有限公司 | 一种离子注入机的硅片放置驱动装置 |
KR20200143254A (ko) * | 2019-06-11 | 2020-12-23 | 에이에스엠 아이피 홀딩 비.브이. | 개질 가스를 사용하여 전자 구조를 형성하는 방법, 상기 방법을 수행하기 위한 시스템, 및 상기 방법을 사용하여 형성되는 구조 |
JP2021042409A (ja) * | 2019-09-09 | 2021-03-18 | 東京エレクトロン株式会社 | プラズマ処理装置及び温度制御方法 |
KR102442087B1 (ko) * | 2019-09-20 | 2022-09-14 | 삼성디스플레이 주식회사 | 기판 처리 시스템 |
KR102108263B1 (ko) * | 2019-09-20 | 2020-05-11 | 삼성디스플레이 주식회사 | 기판 처리 시스템 |
US11888553B2 (en) * | 2019-10-18 | 2024-01-30 | Nokia Technologies Oy | Massive MIMO antenna array |
AT523626B1 (de) * | 2020-05-22 | 2021-10-15 | Anton Paar Gmbh | Hohlleiter-Einkoppeleinheit |
CN114582693A (zh) * | 2020-11-30 | 2022-06-03 | 中微半导体设备(上海)股份有限公司 | 等离子体处理装置及其末端执行器、边缘环及方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0722341A (ja) * | 1993-06-29 | 1995-01-24 | Tokyo Electron Ltd | 処理装置 |
JP2010225775A (ja) * | 2009-03-23 | 2010-10-07 | Panasonic Corp | プラズマ処理装置 |
WO2011106064A1 (en) * | 2010-02-24 | 2011-09-01 | Veeco Instruments Inc. | Processing methods and apparatus with temperature distribution control |
WO2011108663A1 (ja) * | 2010-03-04 | 2011-09-09 | 東京エレクトロン株式会社 | プラズマエッチング方法、半導体デバイスの製造方法、及びプラズマエッチング装置 |
WO2011125471A1 (ja) * | 2010-03-31 | 2011-10-13 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
JP2011222825A (ja) * | 2010-04-12 | 2011-11-04 | Tokyo Electron Ltd | 被処理体処理装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6015929A (ja) * | 1983-07-08 | 1985-01-26 | Hitachi Ltd | 処理装置 |
JPS63147894A (ja) * | 1986-12-09 | 1988-06-20 | Kyushu Denshi Kinzoku Kk | 気相成長方法と縦型気相成長装置 |
JPH06310438A (ja) * | 1993-04-22 | 1994-11-04 | Mitsubishi Electric Corp | 化合物半導体気相成長用基板ホルダおよび化合物半導体気相成長装置 |
JP3430959B2 (ja) * | 1999-03-04 | 2003-07-28 | 東京エレクトロン株式会社 | 平面アンテナ部材、これを用いたプラズマ処理装置及びプラズマ処理方法 |
JP2003347228A (ja) * | 2002-05-30 | 2003-12-05 | Renesas Technology Corp | 半導体装置の製造方法および熱処理装置 |
JP2007281150A (ja) * | 2006-04-05 | 2007-10-25 | Tokyo Electron Ltd | 処理装置 |
JP5705133B2 (ja) * | 2009-02-04 | 2015-04-22 | マットソン テクノロジー インコーポレイテッドMattson Technology, Inc. | 静電チャックシステムおよび基板表面に亘って温度プロファイルを半径方向に調整するための方法 |
JP5239988B2 (ja) * | 2009-03-24 | 2013-07-17 | 東京エレクトロン株式会社 | 載置台構造及び処理装置 |
-
2012
- 2012-09-03 JP JP2012192961A patent/JP2014049667A/ja active Pending
-
2013
- 2013-06-18 WO PCT/JP2013/066648 patent/WO2014034229A1/ja active Application Filing
- 2013-06-18 KR KR1020157005309A patent/KR20150048754A/ko not_active Application Discontinuation
- 2013-06-18 US US14/424,483 patent/US20150255258A1/en not_active Abandoned
- 2013-09-02 TW TW102131480A patent/TW201423827A/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0722341A (ja) * | 1993-06-29 | 1995-01-24 | Tokyo Electron Ltd | 処理装置 |
JP2010225775A (ja) * | 2009-03-23 | 2010-10-07 | Panasonic Corp | プラズマ処理装置 |
WO2011106064A1 (en) * | 2010-02-24 | 2011-09-01 | Veeco Instruments Inc. | Processing methods and apparatus with temperature distribution control |
WO2011108663A1 (ja) * | 2010-03-04 | 2011-09-09 | 東京エレクトロン株式会社 | プラズマエッチング方法、半導体デバイスの製造方法、及びプラズマエッチング装置 |
WO2011125471A1 (ja) * | 2010-03-31 | 2011-10-13 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
JP2011222825A (ja) * | 2010-04-12 | 2011-11-04 | Tokyo Electron Ltd | 被処理体処理装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018510475A (ja) * | 2015-03-23 | 2018-04-12 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | ダイレクトアップコンバージョンを用いてマイクロ波フィールドの回転周波数をデジタル制御するプラズマリアクタ |
CN111403255A (zh) * | 2015-03-23 | 2020-07-10 | 应用材料公司 | 具有以直接上转换对微波场的旋转频率进行的数字控制的等离子体反应器 |
CN111403255B (zh) * | 2015-03-23 | 2023-03-28 | 应用材料公司 | 具有以直接上转换对微波场的旋转频率进行的数字控制的等离子体反应器 |
CN108396311A (zh) * | 2018-05-18 | 2018-08-14 | 宁波英飞迈材料科技有限公司 | 高通量pecvd装置和方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20150048754A (ko) | 2015-05-07 |
TW201423827A (zh) | 2014-06-16 |
JP2014049667A (ja) | 2014-03-17 |
US20150255258A1 (en) | 2015-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014034229A1 (ja) | プラズマ処理装置及びこれを備えた基板処理装置 | |
US10211032B2 (en) | Microwave plasma source and plasma processing apparatus | |
US9548187B2 (en) | Microwave radiation antenna, microwave plasma source and plasma processing apparatus | |
US20120090782A1 (en) | Microwave plasma source and plasma processing apparatus | |
JP6509049B2 (ja) | マイクロ波プラズマ源およびプラズマ処理装置 | |
US20110150719A1 (en) | Microwave introduction mechanism, microwave plasma source and microwave plasma processing apparatus | |
JP6478748B2 (ja) | マイクロ波プラズマ源およびプラズマ処理装置 | |
TW200810613A (en) | Plasma treatment device, and plasma treatment method | |
US9520273B2 (en) | Tuner, microwave plasma source and impedance matching method | |
TWI738920B (zh) | 半導體製造方法及相關裝置與電漿處理系統 | |
JP2018073880A (ja) | プラズマ処理装置 | |
WO2007148690A1 (ja) | マイクロ波導入装置及びプラズマ処理装置 | |
WO2020250506A1 (ja) | マイクロ波供給機構、プラズマ処理装置およびプラズマ処理方法 | |
TWI388245B (zh) | Plasma processing device | |
TW201832619A (zh) | 天線、電漿處理裝置及電漿處理方法 | |
JP5916467B2 (ja) | マイクロ波放射アンテナ、マイクロ波プラズマ源およびプラズマ処理装置 | |
JP6283438B2 (ja) | マイクロ波放射アンテナ、マイクロ波プラズマ源およびプラズマ処理装置 | |
US20200411340A1 (en) | Heating apparatus, heating method, and substrate processing apparatus | |
WO2022059533A1 (ja) | チューナおよびインピーダンス整合方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13833808 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20157005309 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14424483 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 13833808 Country of ref document: EP Kind code of ref document: A1 |