WO2016013440A1 - 基板処理システムおよび基板処理装置 - Google Patents
基板処理システムおよび基板処理装置 Download PDFInfo
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- WO2016013440A1 WO2016013440A1 PCT/JP2015/070063 JP2015070063W WO2016013440A1 WO 2016013440 A1 WO2016013440 A1 WO 2016013440A1 JP 2015070063 W JP2015070063 W JP 2015070063W WO 2016013440 A1 WO2016013440 A1 WO 2016013440A1
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- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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Definitions
- Various aspects and embodiments of the present invention relate to a substrate processing system and a substrate processing apparatus.
- a plurality of substrates to be processed may be processed in parallel using a plurality of substrate processing apparatuses.
- a plurality of substrate processing apparatuses are arranged in a facility such as a clean room, the area occupied by the plurality of substrate processing apparatuses increases. Therefore, a larger clean room is required, and the equipment cost increases.
- the substrate processing apparatus has parts such as a stage on which a substrate to be processed is placed and a shower head for supplying a processing gas into a chamber of the substrate processing apparatus.
- the lid at the top of the chamber is opened, and parts such as a stage and a shower head are taken out and the inside of the chamber is cleaned.
- the upper lid of the chamber cannot be opened upward.
- the lid on the upper part of the chamber is shifted in the horizontal direction so that the lid on the upper part of the chamber is separated from the lower part of the chamber without interfering with other substrate processing apparatuses disposed above.
- a technique is known (for example, refer to Patent Document 1 below).
- parts such as a shower head attached to the lid can be removed or cleaned by shifting the lid of the chamber.
- a part such as a stage arranged at the lower part of the chamber is removed from the chamber, it needs to be pulled up above the chamber.
- another substrate processing apparatus is disposed above the chamber, it cannot be raised to a height sufficient to remove parts such as a stage.
- other substrate processing apparatuses arranged above the chamber become in the way, and the work cannot be performed efficiently.
- the substrate processing apparatuses when a plurality of substrate processing apparatuses are arranged in the vertical direction, the substrate processing apparatuses must be arranged at a sufficient interval to perform maintenance work for the lower part of the chamber, and the plurality of substrate processing apparatuses are arranged densely in the vertical direction. I can't.
- the overall height of the apparatus becomes high, and maintenance of the substrate processing apparatus disposed on the upper side is performed. Efficiency will decrease. Therefore, the number of substrate processing apparatuses arranged in multiple stages cannot be increased so much, and the number of installed substrate processing apparatuses per unit area cannot be increased too much.
- One aspect of the present invention includes a transport apparatus that transports a substrate to be processed, and a plurality of substrate processing apparatuses that are attached in a plurality of rows in the vertical direction along the side surface of the transport apparatus and each process the substrate to be processed.
- Each of the plurality of substrate processing apparatuses includes a chamber in which a space is formed, a shower head provided in an upper part of the chamber, and a stage provided in a lower part of the chamber,
- the chamber includes a part of a side wall forming a space in the chamber, includes a first chamber part provided with the shower head, and a remaining part of the side wall in the chamber, and the stage is provided.
- a second chamber part, and the first chamber part and the second chamber part can be separated in a direction different from an arrangement direction of the plurality of substrate processing apparatuses.
- a substrate processing system and a substrate processing capable of efficiently performing maintenance of each substrate processing apparatus A device is realized.
- FIG. 1 is a diagram illustrating an example of a substrate processing system according to an embodiment.
- FIG. 2 is a diagram illustrating an example of PM.
- FIG. 3 is a diagram illustrating an example of processing units arranged in multiple stages.
- FIG. 4 is a cross-sectional view showing an example of the processing unit.
- FIG. 5 is a cross-sectional view showing an example of the processing unit.
- FIG. 6 is a diagram illustrating an example of a processing unit when the upper unit and the lower unit are separated.
- FIG. 7 is a perspective view showing an example of the lower unit.
- FIG. 8 is a perspective view showing an example of the upper unit.
- FIG. 9 is an explanatory diagram illustrating a process of attaching the upper unit to the lower unit.
- FIG. 9 is an explanatory diagram illustrating a process of attaching the upper unit to the lower unit.
- FIG. 10 is an explanatory diagram illustrating a process of attaching the upper unit to the lower unit.
- FIG. 11 is an explanatory diagram illustrating a process of attaching the upper unit to the lower unit.
- FIG. 12 is an explanatory diagram illustrating a process of attaching the upper unit to the lower unit.
- FIG. 13 is a diagram illustrating another example of the upper unit and the lower unit.
- FIG. 14 is a diagram illustrating another example of the upper unit and the lower unit.
- FIG. 15 is a diagram illustrating another example of the lower unit.
- FIG. 16 is a diagram illustrating another example of a high-frequency power supply method.
- a disclosed substrate processing system includes a transfer device that transfers a substrate to be processed, and a plurality of substrate processes that are mounted in a row in the vertical direction along the side surface of the transfer device, each processing a substrate to be processed.
- Each of the plurality of substrate processing apparatuses includes a chamber in which a space is formed, a shower head provided in the upper part of the chamber, and a stage provided in the lower part of the chamber.
- the chamber includes a part of a side wall that forms a space in the chamber, and includes a first chamber part provided with a showerhead, and a remaining part of the side wall in the chamber, and a second chamber provided with a stage. With parts.
- the first chamber part and the second chamber part can be separated in a direction different from the arrangement direction of the plurality of substrate processing apparatuses.
- the chamber forms a cylindrical space therein by the side wall, and at least a part of the contact surface between the first chamber part and the second chamber part is: It may be included in a plane that obliquely intersects the central axis of the space formed in a cylindrical shape by the side wall.
- the second chamber component is attached to the transfer device, and the first chamber component is attached to the transfer device with respect to the second chamber component. It may be separated from the second chamber part by moving in a direction opposite to the second side.
- the first chamber component is sidewall after approaching the second chamber component from the opposite side of the second chamber component attached to the transfer device.
- the chamber may be configured.
- the disclosed substrate processing system further includes a feeding coil that supplies high-frequency power to each of the plurality of substrate processing apparatuses, and each of the plurality of substrate processing apparatuses is inductively coupled to the feeding coil
- the power receiving coil may further include a power receiving coil that receives the high frequency power supplied from the power feeding coil, and a high frequency power supply unit that supplies the high frequency power received by the power receiving coil to the shower head.
- One chamber part may be provided.
- the first chamber component includes a first temperature sensor that measures a temperature of the first chamber component, and a first temperature that heats the first chamber component.
- a heating unit may be further provided.
- the second chamber part may further include a second temperature sensor that measures the temperature of the second chamber part, and a second heating unit that heats the second chamber part.
- the substrate processing system has a small temperature difference between the first chamber component and the second chamber component based on the measured value from the first temperature sensor and the measured value from the second temperature sensor.
- you may further provide the control apparatus which controls the heating amount by a 1st heating part and the heating amount by a 2nd heating part, respectively.
- the disclosed substrate processing apparatus is a substrate processing apparatus in which a plurality of substrates are attached in the vertical direction along the side surface of a transfer device that transfers a substrate to be processed.
- a chamber in which a space is formed, a shower head provided in an upper part of the chamber, and a stage provided in a lower part of the chamber.
- the chamber includes a part of a side wall that forms a space in the chamber, and includes a first chamber part provided with a shower head, a remaining part of the side wall in the chamber, and a second provided with a stage. Chamber parts.
- the first chamber part and the second chamber part can be separated in a direction different from the arrangement direction of the plurality of substrate processing apparatuses.
- FIG. 1 is a diagram illustrating an example of a substrate processing system 10 according to an embodiment.
- FIG. 2 is a diagram illustrating an example of a PM (Processing Module) 20.
- the substrate processing system 10 in this embodiment includes an LLM (Load Lock Module) 11, a TM (Transfer Module) 12, and a plurality of PMs 20-1 and 20-2.
- the plurality of PMs 20-1 and 20-2 are collectively referred to as PM20 without being distinguished from each other.
- two PMs 20 are illustrated, but the substrate processing system 10 may be provided with three or more PMs 20 or one PM 20.
- the LLM 11 is a vacuum transfer chamber in which the substrate to be processed transferred from the loader is held in a predetermined reduced pressure state in order to transfer the substrate to be processed to the TM 12 in a reduced pressure state.
- a transfer arm (not shown) is installed in TM12. The transfer arm takes out the substrate to be processed from the LLM 11 and transfers it to each PM 20. Further, the transfer arm takes out the processed substrate from each PM 20 and transfers it to the LLM 11.
- Each PM 20 includes a gas control unit 21, a power supply control unit 22, and a plurality of processing units 30-1 to 30-n, for example, as shown in FIG.
- the plurality of processing units 30-1 to 30-n are attached to the side surface of the TM 12 in the vertical direction along the side surface of the TM 12.
- the plurality of processing units 30-1 to 30-n are collectively referred to as processing units 30 without being distinguished from each other.
- the gas control unit 21 is connected to each processing unit 30 via a gas pipe, and supplies a processing gas to each processing unit 30 via the gas pipe. Moreover, the gas control unit 21 exhausts the gas in each processing unit 30 via a gas pipe.
- the power supply control unit 22 is connected to each processing unit 30 via a power cable and a communication cable.
- the power control unit 22 supplies power to each processing unit 30 via a power cable.
- the power supply control unit 22 includes a control device 223 that controls the temperature of the side wall of the chamber included in each processing unit 30.
- the control device 223 controls the temperature of the side wall of the chamber of each processing unit 30 via the power cable.
- Each processing unit 30 activates the processing gas supplied from the gas control unit 21 with, for example, plasma generated by the power supplied from the power supply control unit 22, and uses the activated processing gas particles, A predetermined process such as etching or film formation is performed on the substrate to be processed.
- FIG. 3 is a diagram showing an example of the processing units 30 arranged in multiple stages.
- the plurality of processing units 30-1 to 30-n are arranged in multiple stages in the vertical direction (for example, the z-axis direction in FIG. 3) along the side surface of the TM 12, as shown in FIG. Therefore, the number of processing units 30 installed per unit area can be reduced as compared with the case where a plurality of processing units 30-1 to 30-n are arranged in the horizontal direction (for example, the direction in the xy plane of FIG. 3).
- Each processing unit 30 includes a chamber 300, a high-frequency unit 33, and a guide member 34, for example, as shown in FIG.
- the chamber 300 is made of a conductive material such as aluminum and has an upper unit 31 and a lower unit 32.
- the upper unit 31 and the lower unit 32 can be separated in a direction different from the arrangement direction of the plurality of processing units 30-1 to 30-n when the processing unit 30 is attached to the TM 12.
- the processing unit 30 when the processing unit 30 is attached to the TM 12, the upper unit 31 moves in a direction opposite to the TM 12 side (for example, a direction opposite to the y direction in FIG. 3) with respect to the lower unit 32. By doing so, it can be separated from the lower unit 32.
- the high frequency unit 33 generates high frequency power having a predetermined frequency using the power supplied from the power control unit 22 via the power cable. The high frequency unit 33 supplies the generated high frequency power to the upper unit 31.
- FIG. 4 and 5 are cross-sectional views illustrating an example of the processing unit 30.
- FIG. FIG. 4 shows a cross section when a cut surface obtained by cutting the approximate center of the processing unit 30 along the yz plane in FIG. 3 is viewed in the x direction.
- FIG. 5 shows a cross section when a cut surface obtained by cutting the approximate center of the processing unit 30 along the xz plane in FIG. 3 is viewed in the y direction.
- the boundary between the upper unit 31 and the lower unit 32 is indicated by a broken line 35 for easy understanding.
- the processing unit 30 has a side wall 301 that forms a cylindrical space (hereinafter referred to as a processing space) inside the chamber 300.
- the upper unit 31 includes a part of the side wall 301
- the lower unit 32 includes the remaining part of the side wall 301.
- the part of the side wall 301 included in the upper unit 31 refers to a part of the side wall 301 above the broken line 35, for example.
- the remaining part of the side wall 301 included in the lower unit 32 refers to a part of the side wall 301 below the broken line 35, for example.
- the upper unit 31 and the lower unit 32 are in contact with each other at the lower surface of the upper unit 31 (hereinafter referred to as a contact surface 313) and the upper surface of the lower unit 32 (hereinafter referred to as a contact surface 325) to constitute the chamber 300.
- the contact surface 313 and the contact surface 325 are included in a plane that obliquely intersects the central axis of the processing space formed in a cylindrical shape by the side wall 301.
- the plane is a plane which is inclined so as to be lowered as it is separated from the TM 12, for example.
- the lower unit 32 includes a gas supply pipe 320, a stage 321, a deposition shield 322, an elevating shaft 323, a driving unit 324, a heating unit 328, and a temperature sensor 329.
- the stage 321 is made of, for example, aluminum and supports the substrate to be processed substantially horizontally.
- the stage 321 also functions as a lower electrode for a shower head 311 described later.
- the elevating shaft 323 supports the stage 321, and the stage 321 can be raised and lowered by a driving unit 324 such as a ball screw mechanism.
- a deposition shield 322 for preventing the etching by-product (depot) from adhering to the side wall 301 is provided so as to surround the stage 321.
- an opening for carrying a substrate to be processed into the processing unit 30 and carrying out a processed substrate from the processing unit 30 is formed, and a gate valve 120 for opening and closing the opening is provided.
- An opening is formed in the side wall 301 and the deposition shield 322 at a position corresponding to the gate valve 120.
- a ground electrode may be provided in the deposition shield 322. Thereby, the uniformity of the RF ground between the upper unit 31 and the lower unit 32 can be improved.
- the ground electrode may be provided with an impedance adjustment mechanism.
- the gas supply pipe 320 supplies the processing gas supplied from the gas control unit 21 to the upper unit 31.
- the lower unit 32 is also provided with an exhaust mechanism that exhausts the gas in the chamber 300 to the gas control unit 21 to reduce the pressure to a predetermined pressure.
- the temperature sensor 329 is provided on the side wall 301 of the lower unit 32 and measures the temperature of the side wall 301 of the lower unit 32. And the temperature sensor 329 transmits the signal which shows the measured temperature to the control apparatus 223 in the power supply control unit 22 via a communication cable.
- the heating unit 328 is provided on the side wall 301 of the lower unit 32. The heating unit 328 receives a control signal from the control device 223 via a communication cable, and heats the side wall 301 of the lower unit 32 with a heating amount corresponding to the received control signal.
- the upper unit 31 includes a gas supply pipe 310, a shower head 311, a cable 312, a heating unit 314, and a temperature sensor 315, for example, as shown in FIGS.
- the shower head 311 is provided at a position above the stage 321 and facing the stage 321 when the upper unit 31 and the lower unit 32 come into contact with each other to form the chamber 300.
- the gas supply pipe 310 supplies the processing gas supplied from the gas supply pipe 320 of the lower unit 32 to the shower head 311.
- a plurality of gas supply holes for discharging the processing gas to the processing space in the chamber 300 are formed on the lower surface of the shower head 311, and the processing gas supplied through the gas supply pipe 310 is supplied to the shower head 311. The gas supply holes are discharged into the processing space in the chamber 300.
- the cable 312 supplies the high frequency power supplied from the high frequency unit 33 to the shower head 311.
- the shower head 311 radiates high frequency power supplied via the cable 312 to the processing space in the chamber 300.
- the shower head 311 also functions as an upper electrode.
- the gate valve 120 is released and the substrate to be processed is loaded into the chamber 300 and placed on the stage 321.
- the chamber 300 is depressurized to a predetermined pressure by the exhaust mechanism in the lower unit 32.
- processing gas is supplied to the processing space in the chamber 300 through the shower head 311, and high-frequency power is radiated from the high-frequency unit 33 to the processing space in the chamber 300 through the shower head 311.
- plasma of a processing gas is generated in the processing space in the shower head 311, and a predetermined process such as etching is performed on the target substrate on the stage 321 by the generated plasma.
- the temperature sensor 315 is provided on the side wall 301 of the upper unit 31 and measures the temperature of the side wall 301 of the upper unit 31. Then, the temperature sensor 315 transmits a signal indicating the measured temperature to the control device 223 in the power supply control unit 22 via the communication cable.
- the heating unit 314 is provided on the side wall 301 of the upper unit 31. The heating unit 314 receives a control signal from the control device 223 via a communication cable, and heats the side wall 301 of the upper unit 31 with a heating amount corresponding to the received control signal.
- the control device 223 in the power supply control unit 22 receives a signal indicating the temperature from the temperature sensor 315 in the upper unit 31 and a signal indicating the temperature from the temperature sensor 329 in the lower unit 32 via a communication cable. .
- the control device 223 then heats the heating unit 314 in the upper unit 31 so that the temperature difference between the side wall 301 of the upper unit 31 and the side wall 301 of the lower unit 32 is reduced based on the temperature indicated in the received signal.
- the heating amount of the heating unit 328 in the lower unit 32 are respectively calculated.
- the control apparatus 223 transmits the control signal which instruct
- the chamber 300 may be locally heated by heat generated from plasma or the like.
- the control device 223 causes the heating amount of the heating unit 314 in the upper unit 31 and the heating unit 314 in the upper unit 31 so that the temperature difference between the side wall 301 of the upper unit 31 and the side wall 301 of the lower unit 32 becomes smaller.
- the heating amount of the heating unit 328 in the lower unit 32 is adjusted. Thereby, the control device 223 can improve the uniformity of the temperature distribution in the chamber 300.
- a member made of a material having high thermal conductivity may be interposed between the contact surface 313 of the upper unit 31 and the contact surface 325 of the lower unit 32. Thereby, the temperature difference between the side wall 301 of the upper unit 31 and the side wall 301 of the lower unit 32 can be further reduced.
- the member interposed between the contact surface 313 of the upper unit 31 and the contact surface 325 of the lower unit 32 is preferably formed of a highly conductive material. Thereby, the potential difference between the side wall 301 of the upper unit 31 and the side wall 301 of the lower unit 32 can be reduced.
- FIG. 6 is a diagram illustrating an example of the processing unit 30 when the upper unit 31 and the lower unit 32 are separated.
- the upper unit 31 and the lower unit 32 are separated by a plane that obliquely intersects the central axis of the processing space formed in a cylindrical shape by the side wall 301.
- the plane is a plane that is inclined so as to be lowered as the distance from the TM 12 increases.
- the processing space in the chamber 300 opens obliquely along the contact surface 325 of the lower unit 32.
- the operator can move the components in the lower unit 32 from a direction (for example, the y-axis direction in FIG. 6) different from the arrangement direction (for example, the z-axis direction in FIG. It becomes easy to take out or put a hand in the lower unit 32.
- the operator can perform maintenance in the lower unit 32 without providing a space for maintenance of the processing units 30 in the arrangement direction of the plurality of processing units 30-1 to 30-n.
- a plurality of processing units 30-1 to 30-n can be densely arranged in the vertical direction, and the number of processing units 30 installed per unit area can be increased.
- the operator moves the upper unit 31 to a place where a sufficient work space is secured after separation from the lower unit 32, thereby cleaning the upper unit 31 and removing it from the upper unit 31. Parts can be easily removed.
- FIG. 7 is a perspective view showing an example of the lower unit 32.
- FIG. 8 is a perspective view showing an example of the upper unit 31.
- an O-ring 327 is disposed on the contact surface 325 of the lower unit 32 so as to surround the processing space and along the contact surface 325.
- the O-ring 327 on the contact surface 325 is moved by the contact surface 313 on the upper unit 31 side. Crushed.
- the processing space in the chamber 300 configured by bringing the upper unit 31 and the lower unit 32 into contact with each other can be kept airtight.
- an O-ring 326 is disposed on the contact surface 325 of the lower unit 32 so as to surround the open end of the gas supply pipe 320 and along the contact surface 325. Accordingly, when the chamber 300 is configured by contacting the contact surface 313 of the upper unit 31 and the contact surface 325 of the lower unit 32, the O-ring 326 on the contact surface 325 is crushed by the contact surface 313 on the upper unit 31 side. It is. Thereby, the gas supply pipe 320 of the lower unit 32 and the gas supply pipe 310 of the upper unit 31 can be connected in an airtight manner.
- the O-ring 326 and the O-ring 327 are arranged along the contact surface 325 formed in a planar shape. Thereby, the O-ring 326 and the O-ring 327 can be formed in a planar shape. Therefore, the manufacturing cost of the seal member can be reduced as compared with the case of using a seal member that is three-dimensionally formed so as to follow a contact surface constituted by a plurality of different planes.
- each guide member 34 is provided on the side surface of the lower unit 32, for example, as shown in FIG.
- each guide member 34 has two rails.
- a plurality of protrusions 36 for moving the lower unit 32 along the rail of the guide member 34 provided on the lower unit 32 are provided on the side surface of the upper unit 31.
- two protrusions 36 are provided on the side surface of the upper unit 31.
- FIGS. 9 to 12 are explanatory diagrams for explaining a process of attaching the upper unit 31 to the lower unit 32.
- the lower unit 32 is attached to the TM 12.
- the operator moves the upper unit 31 closer to the lower unit 32 in the lower unit 32 by moving the upper unit 31 in the direction of TM12 (for example, the y direction in FIG. 9) from the side opposite to the TM12.
- the worker places the upper protrusions 36 provided on the side surfaces of the upper unit 31 on the upper rail of the guide member 34.
- the operator further moves the upper unit 31 in the direction of TM12 while moving the upper protrusion 36 along the upper rail of the guide member 34. Then, for example, as shown in FIG. 10, the worker places the lower protrusions 36 provided on the side surfaces of the upper unit 31 on the lower rail of the guide member 34. Then, the operator further moves the upper unit 31 in the direction of TM12 so that the protrusion 36 moves along the rail of the guide member 34.
- the operator can bring the upper unit 31 to a predetermined position without bringing the contact surface 313 of the upper unit 31 into contact with the O-ring 326 and the O-ring 327 arranged on the contact surface 325 of the lower unit 32. It can be moved in the direction.
- the operator moves the upper unit 31 in a direction perpendicular to the contact surface 325 so that the protrusion 36 moves along the rail of the guide member 34. (For example, it is moved in the direction a shown in FIG. 11).
- the upper unit 31 and the lower unit 32 come into contact with each other, and the chamber 300 is configured.
- the operations shown in FIGS. 9 to 11 may be performed in the reverse order.
- the upper unit 31 is moved in the direction of TM12 to the position shown in FIG. 11, the upper unit 31 is moved in the direction perpendicular to the contact surface 325 along the rail of the guide member 34. By doing so, the upper unit 31 and the lower unit 32 are brought into contact with each other.
- the O-ring 326 and the O-ring 327 arranged on the contact surface 325 of the lower unit 32 are crushed by the contact surface 313 on the upper unit 31 side from a direction perpendicular to the contact surface 325. Therefore, displacement and twist of the O-ring 326 and the O-ring 327 can be prevented. Therefore, the processing space in the chamber 300 configured by bringing the upper unit 31 and the lower unit 32 into contact with each other can be kept airtight. Further, it is possible to prevent the gas tightness between the gas supply pipe 320 of the lower unit 32 and the gas supply pipe 310 of the upper unit 31 from being lowered.
- the upper unit 31 and the lower unit 32 come into close contact with a decrease in the pressure in the chamber 300, but until the exhaust of the chamber 300 is started, Is the same as the atmospheric pressure. Further, the contact surface 325 of the lower unit 32 is inclined. Therefore, when the exhaust in the chamber 300 is started, it is necessary to hold the upper unit 31 so as not to slide off the lower unit 32.
- the guide member 34 restricts the movement of the upper unit 31 even after the upper unit 31 and the lower unit 32 come into contact with each other. Therefore, the upper unit 31 does not slide off the lower unit 32 without providing a separate mechanism for keeping the upper unit 31 from sliding off the lower unit 32.
- the upper unit 31 is separated from the lower unit 32 attached to the TM 12, but the present invention is not limited to this.
- the upper unit 31 may be attached to the TM 12 and the lower unit 32 may be separated from the upper unit 31.
- the plane including the contact surface between the upper unit 31 and the lower unit 32 is a plane that is inclined so as to rise upward as the processing unit 30 is attached to the TM 12, for example, with increasing distance from the TM 12.
- a guide member 34 that is upside down with respect to the guide member 34 shown in FIG. 7 is provided on the side surface of the upper unit 31, and the projection 36 corresponding to the guide member 34 is provided on the side surface of the lower unit 32. Accordingly, the contact surface 325 of the lower unit 32 can be brought into contact with the contact surface 313 from a direction perpendicular to the contact surface 313 of the upper unit 31.
- the lower unit 32 is separated from the upper unit 31 until the interior of the chamber 300 is negative after the upper unit 31 and the lower unit 32 are brought into contact with each other.
- a mechanism for maintaining the contact state between the lower unit 32 and the upper unit 31 is necessary so as not to slip down.
- a mechanism for maintaining the contact state between the lower unit 32 and the upper unit 31 for example, a mechanism that urges the lower unit 32 in the vertical direction with respect to the contact surface 313 of the upper unit 31 by a spring, rubber, cylinder, or the like. Can be considered.
- the contact surface between the upper unit 31 and the lower unit 32 is included in one plane, but the present invention is not limited to this.
- the upper unit 31 and the lower unit 32 may be in contact with each other by a plurality of planes including contact surfaces between the upper unit 31 and the lower unit 32.
- the contact surface 325a, the contact surface 325b, and the contact surface 325c of the lower unit 32 are included in different planes.
- the contact surface 313a, the contact surface 313b, and the contact surface 313c of the upper unit 31 are included in different planes.
- the contact surface on which one O-ring is arranged is preferably a single plane.
- the surfaces on which the respective O-rings are arranged are preferably parallel to each other.
- the upper unit 31 and the lower unit are moved by moving the upper unit 31 in the direction perpendicular to the contact surface 325 of the lower unit 32 on which the O-ring is disposed using the guide member 34 and the protrusion 36.
- the present invention is not limited to this.
- a plurality of guide pins 37 extending in a direction perpendicular to the contact surface 325 may be provided on the contact surface 325 on which the O-ring is disposed.
- the contact surface 313 on the upper unit 31 side has a shape slightly larger than the outer shape of the guide pin 37 at a position corresponding to each guide pin 37 and is in a direction perpendicular to the surface of the contact surface 313.
- a formed insertion hole is provided. Also in the example shown in FIG. 15, it is possible to bring the upper unit 31 and the lower unit 32 into contact with each other by moving the upper unit 31 in a direction perpendicular to the surface on which the O-ring is disposed. Deviation and twisting can be prevented. Further, each guide pin 37 restricts the movement of the upper unit 31 even after the upper unit 31 and the lower unit 32 come into contact with each other, so that the upper unit 31 does not slide off the lower unit 32.
- the high frequency unit 33 generates high frequency power of a predetermined frequency using the power supplied from the power supply control unit 22 via the cable, and supplies the generated high frequency power to the shower head 311.
- the present invention is not limited to this.
- FIG. 16 is a diagram illustrating another example of a high-frequency power supply method.
- the power source 220, the matching circuit 221, and the loop antenna 222 are provided in the power source control unit 22.
- the loop antenna 222 generates high-frequency power having a predetermined frequency based on the power supplied from the power source 220 via the matching circuit 221.
- Each high frequency unit 33-1 to n includes a loop antenna 330 and a matching capacitor 331.
- the loop antenna 330 is provided, for example, on the side surface of the processing unit 30 facing the power control unit 22 side.
- the loop antenna 330 is inductively coupled to the loop antenna 222 and receives the high frequency power generated by the loop antenna 222 by electromagnetic resonance. Then, the loop antenna 330 supplies the received high frequency power to the shower head 311 via the matching capacitor 331 and the cable 312. Thereby, the cable which connects a power supply control unit and each processing unit 30 can be decreased, and the working efficiency at the time of performing the maintenance of the processing unit 30 can be improved.
- the processing unit 30 that processes a substrate to be processed using plasma has been described as an example.
- the present invention is not limited to this.
- the present invention can also be applied to PM in which substrate processing apparatuses such as thermal CVD (Chemical Vapor Deposition) and a dry cleaning apparatus are arranged in multiple stages in the vertical direction.
- substrate processing apparatuses such as thermal CVD (Chemical Vapor Deposition) and a dry cleaning apparatus are arranged in multiple stages in the vertical direction.
- Substrate processing system 12 TM 30 Processing unit 300 Chamber 301 Side wall 31 Upper unit 311 shower head 32 Lower unit 321 Stage
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Abstract
Description
図1は、実施形態に係る基板処理システム10の一例を示す図である。図2は、PM(Processing Module)20の一例を示す図である。本実施形態における基板処理システム10は、図1に示すように、LLM(Load Lock Module)11、TM(Transfer Module)12、および複数のPM20-1および20-2を備える。なお、以下では、複数のPM20-1および20-2のそれぞれを区別することなく総称する場合にPM20と記載する。また、図1では、2台のPM20が図示されているが、基板処理システム10には、3台以上のPM20が設けられてもよく、1台のPM20が設けられていてもよい。
図4および図5は、処理ユニット30の一例を示す断面図である。図4は、図3において、処理ユニット30の略中央をyz平面で切断した切断面を、x方向に見た場合の断面を示している。また、図5は、図3において、処理ユニット30の略中央をxz平面で切断した切断面を、y方向に見た場合の断面を示している。なお、図4では、理解を容易にするために、上部ユニット31と下部ユニット32との境界を破線35で示している。
図9から図12は、上部ユニット31を下部ユニット32に取り付ける過程を説明する説明図である。図9から図12に示す例において、下部ユニット32は、TM12に取り付けられている。まず、作業者は、下部ユニット32において、TM12と反対側からTM12の方向(例えば図9のy方向)へ上部ユニット31を移動させることにより、上部ユニット31を下部ユニット32に近づける。そして、作業者は、例えば図9に示すように、上部ユニット31のそれぞれの側面に設けられた上側の突起36を、ガイド部材34の上側のレールに乗せる。
12 TM
30 処理ユニット
300 チャンバ
301 側壁
31 上部ユニット
311 シャワーヘッド
32 下部ユニット
321 ステージ
Claims (7)
- 被処理基板を搬送する搬送装置と、
前記搬送装置の側面に沿って上下方向に並べて複数取り付けられ、それぞれが前記被処理基板を処理する複数の基板処理装置と
を備え、
前記複数の基板処理装置のそれぞれは、
内部に空間が形成されたチャンバと、
前記チャンバ内の上部に設けられたシャワーヘッドと、
前記チャンバ内の下部に設けられたステージと
を有し、
前記チャンバは、
前記チャンバ内に空間を形成する側壁の一部を含み、前記シャワーヘッドが設けられた第1のチャンバ部品と、
前記チャンバ内の前記側壁の残りの部分を含み、前記ステージが設けられた第2のチャンバ部品と
を有し、
前記第1のチャンバ部品と、前記第2のチャンバ部品とは、前記複数の基板処理装置の配列方向とは異なる方向に分離可能であることを特徴とする基板処理システム。 - 前記チャンバは、側壁により内部に円筒状の空間を形成し、
前記第1のチャンバ部品と前記第2のチャンバ部品との接触面の少なくとも一部は、前記側壁によって円筒状に形成された空間の中心軸を斜めに交差する平面に含まれることを特徴とする請求項1に記載の基板処理システム。 - 前記第2のチャンバ部品は、前記搬送装置に取り付けられており、
前記第1のチャンバ部品は、前記第2のチャンバ部品に対して、前記搬送装置に取り付けられた側とは反対側の方向へ移動することにより、前記第2のチャンバ部品から分離することを特徴とする請求項2に記載の基板処理システム。 - 前記第1のチャンバ部品は、
前記第2のチャンバ部品における前記搬送装置に取り付けられた側とは反対側から第2のチャンバ部品に接近した後に、前記側壁によって円筒状に形成された空間の中心軸を斜めに交差する平面に対して垂直方向に移動して、前記第1のチャンバ部品の前記接触面と、前記第2のチャンバ部品の前記接触面とを接触させることにより、前記チャンバを構成することを特徴とする請求項2に記載の基板処理システム。 - 前記複数の基板処理装置のそれぞれに高周波電力を供給する給電コイルをさらに備え、
前記複数の基板処理装置のそれぞれは、
前記給電コイルと誘導結合し、前記給電コイルから供給された高周波電力を受け取る受電コイルと、
前記受電コイルが受け取った高周波電力を前記シャワーヘッドに供給する高周波電力供給部と
をさらに有し、
前記受電コイルおよび前記高周波電力供給部は、前記第1のチャンバ部品に設けられることを特徴とする請求項1に記載の基板処理システム。 - 前記第1のチャンバ部品には、
前記第1のチャンバ部品の温度を測定する第1の温度センサと、
前記第1のチャンバ部品を加熱する第1の加熱部と
がさらに設けられ、
前記第2のチャンバ部品には、
前記第2のチャンバ部品の温度を測定する第2の温度センサと、
前記第2のチャンバ部品を加熱する第2の加熱部と
がさらに設けられ、
前記基板処理システムは、
前記第1の温度センサからの測定値と、前記第2の温度センサからの測定値とに基づいて、前記第1のチャンバ部品と前記第2のチャンバ部品との温度差が小さくなるように、前記第1の加熱部による加熱量および前記第2の加熱部による加熱量をそれぞれ制御する制御装置をさらに備えることを特徴とする請求項1に記載の基板処理システム。 - 被処理基板を搬送する搬送装置の側面に沿って上下方向に並べて複数取り付けられ、それぞれが前記被処理基板を処理する基板処理装置であって、
内部に空間が形成されたチャンバと、
前記チャンバ内の上部に設けられたシャワーヘッドと、
前記チャンバ内の下部に設けられたステージと
を備え、
前記チャンバは、
前記チャンバ内に空間を形成する側壁の一部を含み、前記シャワーヘッドが設けられた第1のチャンバ部品と、
前記チャンバ内の前記側壁の残りの部分を含み、前記ステージが設けられた第2のチャンバ部品と
を有し、
前記第1のチャンバ部品と、前記第2のチャンバ部品とは、前記複数の基板処理装置の配列方向とは異なる方向に分離可能であることを特徴とする基板処理装置。
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JP7373302B2 (ja) * | 2019-05-15 | 2023-11-02 | 株式会社Screenホールディングス | 基板処理装置 |
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- 2015-07-13 TW TW104122630A patent/TWI656589B/zh not_active IP Right Cessation
- 2015-07-13 WO PCT/JP2015/070063 patent/WO2016013440A1/ja active Application Filing
- 2015-07-13 US US15/328,860 patent/US20170221681A1/en not_active Abandoned
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020107725A (ja) * | 2018-12-27 | 2020-07-09 | 株式会社アルバック | 基板処理装置 |
JP7191678B2 (ja) | 2018-12-27 | 2022-12-19 | 株式会社アルバック | 基板処理装置、基板処理装置のカセット取り外し方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5960758B2 (ja) | 2016-08-02 |
TW201606913A (zh) | 2016-02-16 |
TWI656589B (zh) | 2019-04-11 |
US20170221681A1 (en) | 2017-08-03 |
KR101906077B1 (ko) | 2018-11-30 |
JP2016025335A (ja) | 2016-02-08 |
KR20170024008A (ko) | 2017-03-06 |
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