WO2012017653A1 - 基板処理システム、搬送モジュール、基板処理方法及び半導体素子の製造方法 - Google Patents
基板処理システム、搬送モジュール、基板処理方法及び半導体素子の製造方法 Download PDFInfo
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- WO2012017653A1 WO2012017653A1 PCT/JP2011/004401 JP2011004401W WO2012017653A1 WO 2012017653 A1 WO2012017653 A1 WO 2012017653A1 JP 2011004401 W JP2011004401 W JP 2011004401W WO 2012017653 A1 WO2012017653 A1 WO 2012017653A1
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- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67184—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the presence of more than one transfer chamber
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67161—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67161—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers
- H01L21/67178—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers vertical arrangement
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- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/6719—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the construction of the processing chambers, e.g. modular processing chambers
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- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67196—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the construction of the transfer chamber
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- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67201—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the construction of the load-lock chamber
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- H01L21/67—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
- 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
- H01L21/67703—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 between different workstations
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—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
- 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
- H01L21/67739—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 into and out of processing chamber
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—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
- 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
- H01L21/67739—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 into and out of processing chamber
- H01L21/67742—Mechanical parts of transfer devices
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67161—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers
- H01L21/67167—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers surrounding a central transfer chamber
Definitions
- the present invention relates to a substrate processing system and a substrate transfer module for transferring a substrate such as a semiconductor substrate, a liquid crystal substrate, and an organic EL element to a plurality of process chambers.
- FPD Full Panel Display
- organic EL Organic Electro Luminescence
- solar cells etc.
- semiconductor substrates glass substrates, etc.
- Various processes are performed. In these processes, when plasma is used, it is performed in a decompressed process chamber.
- a multi-chamber type substrate processing system for processing substrates simultaneously in a large number of process chambers is employed.
- a load lock chamber 2 is associated with a process chamber 1 on a one-to-one basis, and a plurality of load lock chambers 2 and a process are combined in a loader module 3.
- a substrate processing system in which chambers 1 are connected is known (see Patent Document 1).
- the loader module 3 is provided with a plurality of cassette ports 4.
- the atmospheric transfer robot 5 in the loader module 3 transfers the substrate in the cassette 6 to the load lock chamber 2.
- the interior of the load lock chamber 2 is switched alternately between a vacuum state and an atmospheric state.
- the load lock chamber 2 is provided with a vacuum transfer robot 7 that transfers the substrate transferred to the load lock chamber 2 to the process chamber 1.
- a vacuum transfer robot 7 that transfers the substrate transferred to the load lock chamber 2 to the process chamber 1.
- the substrate processing system shown in FIG. 1 has an advantage that even if one vacuum transfer robot 7 fails, the remaining vacuum transfer robot 7 can continue processing the substrate. However, there is a demerit that when the substrate is moved between the plurality of process chambers 1, the substrate cannot be continuously processed in a vacuum. This is because when the substrate crosses from one process chamber 1 to another process chamber 1, the substrate must once pass through the atmosphere of the loader module 3.
- a cluster type substrate processing system is known as shown in FIG.
- a transfer chamber 10 provided with a vacuum transfer robot 9 is arranged.
- a plurality of process chambers 11 are arranged around the transfer chamber 10 so as to surround the transfer chamber 10.
- the transfer chamber 10 is connected to a loader module 13 via two load lock chambers 12.
- the loader module 13 is provided with an atmospheric transfer robot 14.
- the atmospheric transfer robot 14 transfers the substrate in the cassette placed in the port 15 to the load lock chamber 12.
- the vacuum transfer robot 9 inside the transfer chamber 10 transfers the substrate transferred to the load lock chamber 12 to the process chamber 11. *
- the substrate processing system shown in FIG. 2 when a substrate is moved from one process chamber 11 to another process chamber 11, the substrate passes through the vacuum of the transfer chamber 10, so that the substrate is not exposed to the atmosphere.
- the substrate can be processed continuously.
- one vacuum transfer robot 9 since one vacuum transfer robot 9 must handle a plurality of process chambers 11, if the processing time performed in the process chamber 11 is relatively short, the transfer speed of the vacuum transfer robot 9 is limited. Therefore, there is a problem that the throughput (the number of substrates processed per unit time) cannot be improved. That is, when the processing time of the process chamber 11 is short, the transfer speed of the vacuum transfer robot 9 becomes a rate-determining factor, and a waiting time is generated in the process chamber 11 without carrying out the processed substrate.
- the speed determines the processing speed of the entire system. Further, in recent years, the size of the substrate has also been increasing (for example, in the case of a semiconductor wafer, expansion from a diameter of 300 mm to 450 mm has been studied), and the entire substrate processing system including the process chamber 11 needs to be scaled up. The scale-up of a simple substrate processing system has a problem that the footprint is enlarged.
- Patent Document 3 in order to reduce the footprint of the cluster-type substrate processing system, the process chambers 101 and 102 and the load lock chambers 2 and 2 are stacked in two stages in the vertical direction, and the central transfer chamber 3 is provided.
- the provided vacuum transfer robot 42 can be moved in the vertical direction so that the vacuum transfer robot 42 transfers the substrate between the upper and lower two-stage load lock chambers 2 and 2 and the upper and lower two-stage process chambers 101 and 102.
- a multi-stage substrate processing system is disclosed. *
- the robot arm 18 is disposed in the central transfer chamber 30a so as to be movable up and down, and is multi-staged vertically so as to surround the periphery of the transfer chamber 30a.
- the multi-stage substrate processing system in which the process chamber 32a and the multi-stage load lock chamber 34a are connected in the vertical direction so that the robot arm 18 can transfer the substrate between the multi-stage load lock chamber 34a and the multi-stage process chamber. Is disclosed.
- the multi-stage process chamber 32a and the multi-stage load lock chamber 34a may overlap completely in the vertical direction or may partially overlap.
- a rectangular transfer path for transferring a semiconductor wafer in the atmosphere is connected to a cassette stage 42 on which a plurality of cassettes 41 are placed, and the rectangular shape is rectangular.
- a substrate processing system is disclosed in which a two-stage load lock chamber 43 is connected to both sides of a transfer passage in the vertical direction, and a two-stage process chamber 45 is connected to the two-stage load lock chamber in the vertical direction.
- the rectangular transfer path is provided with a transfer device 52 that receives the semiconductor wafer in the cassette and transfers the semiconductor wafer to the load lock chamber 43.
- the load lock chamber 43 is provided with a vacuum transfer device that receives the semiconductor wafer from the transfer device 52 and transfers the semiconductor wafer to the process chamber 45.
- the inside of the load lock chamber 43 is alternately switched between a vacuum state and an atmospheric state.
- the atmospheric transfer device 52 transfers the semiconductor wafer to the transfer device 52 of the load lock chamber 43
- the inside of the load lock chamber 43 is brought into an atmospheric state.
- the vacuum transfer device of the load lock chamber 43 passes the semiconductor wafer to the process chamber 45, the inside of the load lock chamber 43 is evacuated.
- a plurality of process chambers are connected to a single rectangular passage, and a single rectangular transfer is performed when a semiconductor wafer is transferred from the cassette stage to the plurality of process chambers. Since it must pass through the transfer device of the passage, it is restricted by the restriction of the transfer device of a single rectangular transfer passage, and there is a problem that the throughput of the entire system cannot be improved.
- the process chambers since the process chambers are stacked in multiple stages, it is difficult to stack the process chambers in the vertical direction. There is a problem that equipment necessary for execution must be arranged at a location away from the process chamber.
- the upper process chamber and the lower process chamber are arranged without a gap, for example, the upper process chamber and the lower process chamber have different exhaust path lengths, so that the upper process chamber and the lower process chamber have different lengths. There is a difference in the exhaust performance with the process chamber.
- the present invention provides a substrate processing system capable of reducing a footprint in a system configuration in which a plurality of process chambers are arranged in a discrete manner in a plane.
- the present invention also provides a substrate processing system capable of improving the throughput (the number of substrates processed per unit time) in a system configuration in which a plurality of process chambers are arranged in a planar manner.
- a substrate processing system in which a plurality of process chambers are arranged in a discrete manner, equipment essential for process execution can be arranged in the upper part or the lower part of the process chamber, thereby reducing individual differences in the process chambers.
- a substrate processing system is provided. *
- the present invention provides a substrate processing system that can achieve at least two of a reduction in footprint, an improvement in throughput, and a reduction in individual differences in process chambers in a system configuration in which a plurality of process chambers are discretely arranged in a plane. .
- a loader module provided with a plurality of ports in which a plurality of cassettes can be arranged, and an atmospheric transfer robot for transferring a substrate in the cassette arranged in the port;
- a first transfer unit for transferring a substrate to and from at least one first process chamber for processing a substrate; and the first transfer unit is provided at a position having a different height.
- a second transfer unit for transferring a substrate between the module and at least one second process chamber for processing the substrate, wherein the first transfer unit is configured to transfer the substrate by the atmospheric transfer robot.
- One process chamber and at least one second process chamber do not overlap in the vertical direction, and at least a part of the first transfer unit and at least a part of the second transfer unit are in the vertical direction. It is a substrate processing system which overlaps with.
- a loader module provided with a plurality of ports in which a plurality of cassettes can be arranged, and an atmospheric transfer robot for transferring a substrate in the cassette arranged in the port, and the loader module, A first transfer unit for transferring the substrate to and from at least one first process chamber for processing the substrate, wherein the first transfer unit transfers the substrate by the atmospheric transfer robot And a first transfer chamber provided with a first vacuum transfer robot for transferring the substrate transferred to the first load lock chamber to the at least one first process chamber. And the loader module has a front position different from that of the first transport unit.
- a connection port capable of connecting a second transfer unit for transferring a substrate between the loader module and at least one second process chamber for processing the substrate is provided, and the second transfer unit includes: There is provided a second load lock chamber in which the substrate is transferred by the atmospheric transfer robot, and a second vacuum transfer robot for transferring the substrate transferred to the second load lock chamber to the at least one second process chamber. And at least a part of the first transfer unit and at least a part of the second transfer unit can overlap in the vertical direction, and at least one of the first transfer units The process chamber and at least one of the second process chambers do not overlap in the vertical direction.
- a loader module provided with a plurality of ports in which a plurality of cassettes can be arranged, and an atmospheric transfer robot for conveying a substrate in the cassette arranged in the port, the loader module, A first transfer unit for transferring a substrate to and from at least one first process chamber for processing a substrate; and the first transfer unit is provided at a position having a different height, and the loader A second transport unit for transporting the substrate between the module and at least one second process chamber for processing the substrate, wherein the first transport unit is provided in a communicable manner.
- the second transfer unit includes a first load lock chamber and a first transfer chamber, and the second transfer unit is provided so as to be able to communicate therewith A load lock chamber and a second transfer chamber, wherein the at least one first process chamber and the at least one second process chamber do not overlap in the vertical direction, and at least one of the first transfer units. And a substrate processing system in which at least a part of the second transport unit overlaps in the vertical direction.
- a loader module provided with a plurality of ports in which a plurality of cassettes can be arranged, an atmospheric transfer robot for transferring a substrate in the cassette arranged in the port, and the loader module.
- a load lock chamber that is connected and the substrate is transferred by the atmospheric transfer robot, and a first vacuum transfer that transfers the substrate transferred to the load lock chamber to at least one first process chamber for processing.
- a first transfer chamber provided with a robot, a vacuum connection chamber connected to the first transfer chamber, and a substrate connected to the connection chamber and transferred to the connection chamber by the first vacuum transfer robot At least one second process channel for performing processing.
- a second transfer chamber provided with a second vacuum transfer robot for transferring to the bar, and the first transfer chamber and the second transfer chamber are provided at different positions in the vertical direction and connected to each other.
- a substrate processing system that enables substrates to be transferred to each other by a substrate lifting mechanism provided in the chamber, and wherein the at least one first process chamber and the at least one second process chamber do not overlap vertically. It is. *
- a loader module provided with a plurality of ports in which a plurality of cassettes can be arranged, and an atmospheric transfer robot for conveying a substrate in the cassette arranged in the port, and the loader module
- a transfer chamber provided with a load-lock chamber that is connected and to which a substrate is transferred by the atmospheric transfer robot, and a vacuum transfer robot that transfers the substrate transferred to the load-lock chamber to at least one process chamber for processing. And at least a part of the load lock chamber or the transfer chamber overlaps the loader module in a vertical direction.
- a loader module in which a plurality of ports in which a plurality of cassettes can be arranged are provided, and an atmospheric transfer robot for conveying a substrate in the cassette arranged in the port, and the loader module
- a first load-lock chamber connected to the first load-lock chamber and transporting the substrate transported to the first load-lock chamber;
- a first transfer unit including a first transfer chamber in which a vacuum transfer robot is provided; a second load lock chamber connected to the loader module; and a substrate is transferred by the atmospheric transfer robot; and the second load Connected to the lock chamber and transferred to the second load lock chamber
- a second transfer unit including a second transfer chamber provided with a second vacuum transfer robot for transferring the prepared substrate, wherein the first transfer unit and the second transfer unit have a height of one another. At least a part of the first transport unit and at least a part of the second transport unit overlap in the vertical direction, and the second transfer chamber is more than the first transfer chamber. It is a conveyance module arrange
- a loader module provided with a plurality of ports in which a plurality of cassettes can be placed, and an atmospheric transfer robot for transporting a substrate in the cassette placed in the port, and the loader module
- a first load-lock chamber connected to the first load-lock chamber and transporting the substrate transported to the first load-lock chamber;
- a first transfer unit including a first transfer chamber provided with a vacuum transfer robot, and the loader module is configured to transfer a substrate to a position having a height different from that of the first transfer unit.
- a connection port capable of connecting the second transport unit is provided, and the second transport unit is connected to the atmospheric carrier.
- a second load lock chamber in which the substrate is transferred by the robot, and a second vacuum transfer robot connected to the second load lock chamber and transferring the substrate transferred to the second load lock chamber.
- a second transfer chamber wherein at least a part of the first transfer unit and at least a part of the second transfer unit can overlap each other in a vertical direction, and the second transfer chamber includes the second transfer chamber.
- the transfer module can be arranged at a position farther from the loader module than one transfer chamber.
- a loader module in which a plurality of ports in which a plurality of cassettes can be placed is provided, and an atmospheric transfer robot for transporting a substrate in the cassette placed in the port, and the loader module
- a load lock chamber connected to the substrate by the atmospheric transfer robot, and a transfer chamber provided with a vacuum transfer robot for transferring the substrate transferred to the load lock chamber, the load lock chamber or the transfer
- At least a part of the chamber is a transfer module that overlaps the loader module in the vertical direction.
- a loader module provided with a plurality of ports in which a plurality of cassettes can be arranged, and an atmospheric transfer robot for conveying a substrate in the cassette arranged in the port, and the loader module
- a first load-lock chamber connected to the first load-lock chamber and transporting the substrate transported to the first load-lock chamber;
- a first transfer unit including a first transfer chamber in which a vacuum transfer robot is provided; a second load lock chamber connected to the loader module; and a substrate is transferred by the atmospheric transfer robot; and the second load Connected to the lock chamber and transferred to the second load lock chamber
- a second transfer unit including a second transfer chamber provided with a second vacuum transfer robot for transferring the prepared substrate, wherein the first transfer unit and the second transfer unit have a height of one another.
- the second transfer chamber of the second transfer unit is a transfer module disposed at a position farther from the loader module than the first transfer chamber of the first transfer unit.
- a loader module provided with a plurality of ports in which a plurality of cassettes can be arranged, and an atmospheric transfer robot for conveying a substrate in the cassette arranged in the port, and the loader module
- a first transfer chamber provided with a first load lock chamber connected to and transported by the atmospheric transfer robot, and a first vacuum transfer robot for transporting the substrate transferred to the first load lock chamber.
- the loader module includes the first transfer unit.
- the atmospheric transfer robot in the loader module transfers the substrate in the cassette disposed in the port to the first load lock chamber and the second load lock chamber
- a first vacuum transfer robot in a first transfer chamber connected to the first load lock chamber transfers a substrate transferred to the first load lock chamber to at least one first process chamber.
- the second vacuum transfer robot in the second transfer chamber which is performed in parallel with the first vacuum transfer step and the first vacuum transfer step and is coupled to the second load lock chamber, A second vacuum transfer step of transferring the substrate transferred to the load lock chamber to at least one second process chamber;
- a first transport route for transporting the substrate by the first vacuum transport robot and a second transport route for transporting the substrate by the second vacuum transport robot are provided at different heights, At least a part of the first transfer route and at least a part of the second transfer route overlap in the vertical direction, and the second vacuum transfer robot is further away from the loader module than the first vacuum transfer robot.
- a loader module provided with a plurality of ports in which a plurality of cassettes can be disposed, and an atmospheric transfer robot for transporting a substrate in the cassette disposed in the port;
- a first transfer unit for transferring a substrate to and from at least one first process chamber for processing a substrate; and the first transfer unit is provided at a position having a different height.
- a second transfer unit for transferring a substrate between the module and at least one second process chamber for processing the substrate, wherein the first transfer unit is configured to transfer the substrate by the atmospheric transfer robot.
- the first load lock chamber to which the substrate is transferred, and the substrate transferred to the first load lock chamber are reduced in number.
- a second transfer unit including a first transfer chamber provided with a first vacuum transfer robot for transferring to a first process chamber, wherein the second transfer unit transfers a substrate by the atmospheric transfer robot.
- a second transfer chamber provided with a lock chamber and a second vacuum transfer robot for transferring the substrate transferred to the second load lock chamber to the at least one second process chamber;
- the first process chamber and the at least one second process chamber do not overlap in the vertical direction, so that at least a part of the first transfer unit and at least a part of the second transfer unit are vertically
- the present invention it is possible to provide a substrate processing system in which processing efficiency per unit area and / or processing efficiency per unit time is improved as compared with a conventional substrate processing system.
- the top view which shows the hierarchical structure of the said substrate processing system ((a) in the figure shows an overall view, (b) in the figure shows the first-layer transport unit, and (c) in the figure shows the second-layer transport unit) Show).
- FIG. 1 Vertical sectional view showing a hierarchical structure of the substrate processing system ((a) in the figure shows an overall view, (b) in the figure shows a first-layer transport unit, and (c) in the figure shows a second-layer transport) Unit).
- It is a perspective view which shows the internal structure of a loader module.
- the top view which compared the footprint of the conventional cluster type substrate processing system and the substrate processing system in 1st Embodiment (When the number of process chambers is four, (a) is a cluster type substrate processing system. (B) shows the substrate processing system of the first embodiment).
- the top view which compared the footprint of the conventional cluster type substrate processing system and the substrate processing system in 1st Embodiment (When the number of process chambers is six, (a) is a cluster type substrate processing system. (B) shows the substrate processing system according to the first embodiment of the present invention). It is a top view which shows the empty area
- a perspective view of a process chamber whose design has been changed by effectively utilizing the free space ((a) in the figure shows before the design change, and (b) in the figure shows after the design change) It is a time chart explaining the throughput of the conventional cluster type substrate processing system.
- Time chart for explaining the throughput of the substrate processing system in the first embodiment It is a top view of the substrate processing system in the 2nd Embodiment of this invention. It is a top view of the substrate processing system in a 3rd embodiment of the present invention. It is a top view of the substrate processing system in a 4th embodiment of the present invention. It is a top view (partial perspective view is included) which shows the substrate processing system in the 5th Embodiment of this invention.
- FIG. 3 shows the configuration of the substrate processing system (mainly the system configuration on the front side) in the first embodiment of the present invention.
- This substrate processing system includes an elongated rectangular parallelepiped loader module 22 provided with a plurality of, for example, six ports 21-1 to 21-6 capable of arranging a plurality of cassettes (not shown) in a horizontal direction, and a plurality of, for example, four, And process chambers 23-1, 23-2, 24-1, 24-2.
- the loader module 22 includes a rectangular parallelepiped atmospheric transfer chamber 25 elongated in one direction (Y direction). On one side of the atmospheric transfer chamber 25, a plurality of ports 21-1 to 21-6 are arranged in a horizontal row. When viewed in a plan view, the atmospheric transfer chamber 25 is elongated in the arrangement direction (Y direction) of the plurality of ports 21-1 to 21-6. In each of the ports 21-1 to 21-6, one cassette storing a plurality of unprocessed substrates W is placed or set. The cassette may be manually set on each port 21-1 to 21-6 by an operator, or automatically set on each port 21-1 to 21-6 by the cassette transport system. .
- Unprocessed substrates W in the cassette are taken out from the cassette one by one by the atmospheric transfer robot in the atmospheric transfer chamber 25.
- the substrates W processed in the process chambers 23-1, 23-2, 24-1, 24-2 are returned to the cassette one by one by the atmospheric transfer robot in the atmospheric transfer chamber 25.
- the four process chambers 23-1, 23-2, 24-1, 24-2 are provided with at least one (two in the illustrated example) first process chambers 23-1, 23-23 closer to the loader module 22. 2 and at least one (two in the illustrated example) far from the loader module 22 can be divided into the second process chambers 24-1 and 24-2.
- the two first process chambers 23-1 and 23-2 and the two second process chambers 24-1 and 24-2 are developed in a plane from the loader module 22. That is, the first process chambers 23-1 and 23-2 and the second process chambers 24-1 and 24-2 do not overlap with each other in a plane, and are disposed at positions apart from each other in a plane.
- the distance between the two first process chambers 23-1 and 23-2 from the loader module 22 is equal to each other, and the distance between the two second process chambers 24-1 and 24-2 from the loader module 22 is equal to each other.
- the first process chamber 23-1 on the right side and the second process chamber 24-1 on the right side as viewed from the loader module 22 are arranged in a line in a direction (X direction) orthogonal to the longitudinal direction (Y direction) of the loader module 22. Be placed.
- the first process chamber 23-2 on the left side and the second process chamber 24-2 on the left side as viewed from the loader module 22 are arranged in a line in a direction (X direction) orthogonal to the longitudinal direction (Y direction) of the loader module 22. Be placed.
- Each of the first process chambers 23-1, 23-2 and the second process chambers 24-1, 24-2 is at least one selected from the group of film formation, etching, ashing, oxidation, nitridation, doping, diffusion, and the like. It is configured to execute one process or a plurality of processes selected from these groups and combined.
- various control devices, gas supply systems, high-frequency power supply means, and the like are provided in the upper part of a process chamber that performs an etching process using plasma, and an exhaust means that evacuates the chamber in the lower part. Provided.
- FIG. 4 shows the configuration of the back side of this substrate processing system.
- the loader module 22 and the two first process chambers 23-1, 23-2 include a first load lock chamber 26-1, 26-2, and a first transfer chamber 27 connected to these load lock chambers. It is connected via.
- the first load lock chambers 26-1 and 26-2 and the first transfer chamber 27 are referred to as a first transfer unit 28.
- the loader module 22 and the second process chambers 24-1 and 242 are connected via the second load lock chambers 29-1 and 29-2 and the second transfer chamber 30 connected to these load lock chambers. Is done.
- the second load lock chambers 29-1 and 29-2 and the second transfer chamber 30 are referred to as a second transfer unit 31. *
- the first and second transport units 28 and 31 extend in a direction (X direction) orthogonal to the longitudinal direction (Y direction) of the loader module 22.
- the second process chambers 24-1 and 24-2 are located farther from the loader module 22 than the first process chambers 23-1 and 23-2, and the length of the second transfer unit 31 in the depth direction (X direction). Is larger than the length of the first transport unit 28 in the depth direction (X direction).
- the 1st conveyance unit 28 is arrange
- the 2nd conveyance unit 31 is arrange
- the atmospheric transfer robot in the atmospheric transfer chamber 25 takes out the unprocessed substrates W one by one from the cassette set on the ports 21-1 to 21-6, and takes out the extracted substrates W in the first load lock chamber 26- Carry in either 1 or 26-2.
- the first vacuum transfer robot in the first transfer chamber 27 transfers the substrate W loaded into the first load lock chamber 26-1 or 26-2 to the first process chamber 23-1 or 23-2.
- the first vacuum transfer robot in the first transfer chamber 27 moves to the first process chamber 23-1 or 23-2. Then, the processed substrate W is taken out from the substrate, and the taken out processed substrate W is loaded into the first load lock chamber 26-1 or 26-2.
- the atmospheric transfer robot in the atmospheric transfer chamber 25 takes out the substrate W from the first load lock chamber 26-1 or 26-2 into which the processed substrate W has been loaded, under the atmospheric pressure, and ports 21-1 to 21-6. Is stored in a cassette placed on any of the above.
- the flow of the substrate W from one of the first load lock chambers 26-1 and 26-2 to one of the first process chambers 23-1 and 23-2 by the first vacuum transfer robot is transferred to the first transfer chamber. Called the route. *
- the first load lock chambers 26-1 and 26-2 are connected to the atmospheric transfer chamber 25 on the one hand and to the first transfer chamber 27 on the other hand.
- two first load lock chambers 26-1 and 26-2 are provided on both the left and right sides of the first transfer chamber 27, respectively.
- a step-like recess 25a is formed on the upper surface of the atmospheric transfer chamber 25, a step-like recess 25a is formed. At least a part (preferably all) of the first load lock chambers 26-1 and 26-2 and a part of the first transfer chamber 27 overlap with the atmospheric transfer chamber 25 in the vertical direction on the recess 25a. Be placed.
- the two first load lock chambers 26-1 and 26-2 connected to the left and right of the first transfer chamber 27 are also connected to the wall surfaces at both ends in the longitudinal direction (Y direction) of the recess 25 a of the atmospheric transfer chamber 25.
- the A configuration in which only one of the first load lock chambers 26-1 and 26-2 is provided on one side of the first transfer chamber 27 is also possible.
- the first transfer chamber 27 is formed in a polygonal shape (preferably a polygon having at least six sides).
- First load lock chambers 26-1 and 26-2 are connected to two sides 27a opposite to each other in the longitudinal direction (Y direction) of the atmospheric transfer chamber 25 of the first transfer chamber 27 via gate valves, respectively.
- Two first process chambers 23-1 and 23-2 are connected to two sides 27 b adjacent to the side 27 a and obliquely with respect to the longitudinal direction (Y direction) via gate valves, respectively. .
- a part (sides 27a and 27d) of the first transfer chamber 27 overlaps the loader module 22 in the vertical direction, the two sides 27b of the first transfer chamber 27 do not overlap with the atmospheric transfer chamber 25 in the vertical direction. This is to avoid interference between the atmospheric transfer chamber 25 and the first process chambers 23-1, 23-2.
- a ladder 33 can be installed for an operator to move up and down during maintenance of the atmospheric transfer chamber 25, the first process chambers 23-1, 23-2, the first transfer chamber 27, and the like.
- the ladder 33 is bridged between the upper surface of the lower second transfer chamber 30 and the side 27 c of the upper first transfer chamber 27.
- a lid 34 that can be opened and closed is attached to the upper surface of the first transfer chamber 27. An operator can climb the ladder, go up to the upper surface of the first transfer chamber 27, open the lid 34, and inspect and maintain the inside of the first transfer chamber 27 (such as the first vacuum transfer robot).
- the first support member 35 extends from the front side of the loader module 22, and the second support member 36 is disposed on the back side of the loader module 22. As shown in FIG. 3, the first support member 35 extends straight from the floor in the vertical direction between the ports 21-3 and 21-4 on the front surface side of the loader module 22.
- the module 22 is bent over the wall of the recess 25a, and the tip of the bent portion is connected to the vicinity of the side 27d of the first transfer chamber 27 so as to lift the first transfer chamber 27. Since the atmospheric transfer chamber 25 has a large volume, it is divided into two at the longitudinal center (that is, between the central ports 21-3 and 21-4) in consideration of transportability and assemblability.
- the first support member 35 is disposed in a dead space for this division.
- the second support member 36 is formed in a gate shape having a pair of left and right columns 36 a and a beam 36 b spanned between these columns 36 a, and the loader module 22 of the first transfer chamber 27.
- the first transfer chamber 27 is supported by applying the beam 36b to the protruding portion.
- the first transfer chamber 27 has two sides 27a connected to the first load lock chambers 26-1 and 26-2, and 2 connected to the first process chambers 23-1 and 23-2, respectively. It has a distorted hexagonal planar shape having one side 27b, a side 27c on which the ladder 33 is bridged, and a side 27d connected to the first support member 35.
- the lengths of the respective sides are independent, and the lengths of 27a, 27b, 27c, and 27d are different in the illustrated configuration example.
- the first transfer chamber 27 may have another polygonal shape, for example, a distorted octagonal or regular octagonal planar shape.
- the atmospheric transfer robot in the atmospheric transfer chamber 25 has a height equal to or higher than the height of the first load lock chambers 26-1 and 26-2. For example, it is necessary to ascend to a height of 2 m. Since telescopic robots that are telescopic and telescopic are limited in their ascent, it is desirable to use a portal robot as an atmospheric transfer robot. When a portal robot is used, the portal frame (Z-axis guide 64) slides in the longitudinal direction in the non-recessed portion 25b of the atmospheric transfer chamber 25 (see FIG. 9).
- Bending the first support member 35 outside the atmospheric transfer chamber 25 and lifting the first transfer chamber 27 at the tip of the first support member 35 may prevent the first support member 35 from moving the portal robot. Disappear. Further, by forming the second support member 36 in a gate shape, a maintenance space can be made below the first transfer chamber 27.
- the atmospheric transfer robot in the atmospheric transfer chamber 25 takes out the unprocessed substrate W from one of the cassettes placed on the ports 21-1 to 21-6, and transfers the taken substrate W to the second load lock chamber 29-. Carry in 1 or 29-2.
- the second vacuum transfer robot in the second transfer chamber 30 carries the unprocessed substrate W from the second load lock chamber 29-1 or 29-2 to the second process chamber 24-1 or 24-2 under reduced pressure. To do.
- the second vacuum transfer robot in the second transfer chamber 30 transfers the processed substrate W to the second process chamber 24-1 or 24-2.
- the taken-out processed substrate W is carried into the second load lock chamber 29-1 or 29-2.
- the atmospheric transfer robot in the atmospheric transfer chamber 25 takes out the processed substrate W from the second load lock chamber 29-1 or 29-2 under atmospheric pressure, and transfers the processed substrate W thus taken out to the ports 21-1 to 21-2. Store in any cassette on 21-6.
- the flow of the substrate W from any one of the second load lock chambers 29-1 and 29-2 to any one of the second process chambers 24-1 and 24-2 by the second vacuum transfer robot is second transferred. Called the route.
- the second process chambers 24-1 and 24-2 are arranged at positions farther from the loader module 22 than the first process chambers 23-1 and 23-2, and the length of the second transfer unit 31 in the depth direction (X direction). The length is longer than the length of the first transport unit 28 in the depth direction (X direction).
- the first transfer unit and the second transfer unit have different shapes, but the first vacuum transfer robot in the first transfer chamber 27 and the second vacuum transfer robot in the second transfer chamber 30 are almost the same. Carry out proper transport operation. That is, both the first and second vacuum transfer robots take out the unprocessed substrate W from the load lock chamber, pass the substrate to the process chamber, take out the processed substrate W from the process chamber, and transfer it to the load lock chamber. A transfer operation of transferring the substrate W is performed.
- the atmospheric transfer robot arranged in the loader module also performs a transfer operation similar to that of the vacuum transfer robot between the cassette and the load lock chamber, although it is under atmospheric pressure.
- the load lock chamber, the transfer chamber, and the process chamber can be arranged in substantially the same positional relationship between the first and second transfer units 28 and 31, and if the book is corrected, This is achieved by stacking at least part of the first load lock chambers 26-1 and 26-2 and part of the first transfer chamber 27 on the loader module 22 in the vertical direction. Accordingly, it is not necessary to provide a moving stage for moving the substrate in the second load lock chambers 29-1 and 29-2 in the second transfer unit 31, and compatibility between the first and second transfer chambers 27 and 30 is eliminated. The effect is that a certain vacuum transfer robot can be used. It is significant to superimpose these (first load lock chambers 26-1, 26-2 and first transfer chamber 27) on the loader module 22.
- the second load lock chambers 29-1 and 29-2 are connected to the side surface on the back side of the atmospheric transfer chamber 25 and one side 30 a of the second transfer chamber 30.
- a pair of second load lock chambers 29-1 and 29-2 are provided so as to overlap each other (see FIG. 12).
- only one of the second load lock chambers 29-1 and 29-2 may be provided.
- the planar shape of the second transfer chamber 30 is a polygon (preferably a polygon having eight sides).
- Two upper and lower second load lock chambers 29-1, 29-2 are connected to one side 30a of the polygon (side facing the loader module 22) via a gate valve, respectively, and the other two sides 30b (
- Two second process chambers 24-1 and 24-2 are connected to each other on the opposite side of the side 30a to the longitudinal direction (Y direction) of the loader module 22 via gate valves.
- the A ladder 37 for maintaining the second process chambers 24-1 and 24-2 and the second transfer chamber 30 is provided on one side 30c extending in parallel with the longitudinal direction (Y direction) between the two sides 30b. Can be provided.
- the ladder 37 is bridged between the floor 38 and the second transfer chamber 30.
- a lid 39 that can be opened and closed is attached to the upper surface of the second transfer chamber 30.
- An operator climbs the ladder 37, opens the lid 39, and maintains the inside of the second transfer chamber 30 (second vacuum transfer robot or the like). Furthermore, when maintaining the first transfer chamber 27, an operator moves on the second transfer chamber 30 and climbs a ladder 33 that is bridged over the first transfer chamber 27.
- the second transfer chamber 30 and the second load lock chambers 29-1, 29-2 are supported by support members 40, 41.
- the first support member 41 extends upward from the floor along the back side of the loader module 22 and supports the second load lock chambers 29-1 and 29-2.
- the second support member 40 is formed in a gate shape having a pair of left and right support columns 40a and a beam 40b horizontally spanned between the support columns 40a, and supports the second transfer chamber 30 by placing it on the beam 40b. To do.
- a maintenance space can be made below the second transfer chamber 30 by forming the first support member 41 along the back side of the loader module 22 and forming the second support member 40 in a gate shape.
- the second transfer chamber 30 includes one side 30a connected to the second load lock chambers 29-1 and 29-2, two sides 30b connected to the second process chambers 24-1 and 24-2, respectively, and a ladder. 37, a distorted octagon having a side 30c over which the frame 37 is bridged, two sides 30d intersecting the beam 40b, and two oblique sides 30e for avoiding interference with the first process chambers 23-1 and 23-2 It has the planar shape.
- the lengths of the respective sides are independent, and the lengths of 30a, 30b, 30c, 30d, and 30e are different in the illustrated configuration example.
- the first transfer chamber 27 has the distorted hexagonal planar shape as described above
- the second transfer chamber 30 has the distorted octagonal planar shape as described above.
- the footprint of the entire apparatus is reduced as much as possible.
- the first process chambers 23-1 and 23-2 connected to the side 27b of the first transfer chamber 27 and the second process chambers 24-1 and 24-2 connected to the side 30b of the second transfer chamber 30 are provided.
- a sufficient separation distance (610 mm or more) can be ensured for humans to pass through.
- the first transport unit 28 is located higher than the second transport unit 31.
- the height of the installation surface on which the first process chambers 23-1, 23-2 are installed is higher than the height of the installation surface on which the second process chambers 24-1, 24-2 are installed.
- 23-1 and 23-2 are placed on a table 42 provided on the floor 38. Accordingly, process chambers having substantially the same shape can be used for the first process chambers 23-1, 23-2 and the second process chambers 24-1, 24-2.
- a control device for controlling the loader module 22 may be housed inside the table 42. *
- FIG. 5 shows a plan view for each level of the substrate processing system
- FIG. 6 shows a vertical sectional view for each level of the substrate processing system. 5 and 6, (a) shows an overall view of the substrate processing system, and (b) shows an upper first transport unit 28 and a first process chamber 23-1 connected to the loader module 22. , 23-2, and (c) in the figure shows the second lower transport unit 31 and the second process chambers 24-1 and 24-2 connected to the loader module 22.
- a line L1 connecting the center of each of the first process chambers 23-1 and 23-2 and the center of the first transfer chamber 27 is the longitudinal direction of the atmospheric transfer chamber 25, that is, a plurality of ports 21-1 ⁇ Crosses the line L2 parallel to the arrangement direction (Y direction) of 21-6 at an acute angle.
- An angle ⁇ formed by the line L1 and the longitudinal direction (Y direction) line L2 of the atmospheric transfer chamber 25 is set to 40 ° to 50 °, for example.
- An inspection space 23c for inspecting the first process chambers 23-1 and 23-2 from the back side is provided on a line obtained by extending the line L1 to the opposite side of the first transfer chamber 27.
- the two first process chambers 23-1 and 23-2 are preferably arranged symmetrically with respect to a line L3 perpendicular to the longitudinal direction (Y direction) of the atmospheric transfer chamber 25.
- a V-shape is formed by a line L1 connecting the centers of the two first process chambers 23-1 and 23-2 and the center of the first transfer chamber 27, and the first process chambers 23-1 and 23-1 are formed.
- -2 is arranged in the direction of the line L1. Then, the substrate is transferred (in / out) to / from the first process chambers 23-1 and 23-2 along the V-shaped line.
- a gate valve 51 is provided between the atmospheric transfer chamber 25 and the first load lock chambers 26-1 and 26-2, and between the first load lock chambers 26-1 and 26-2 and the first transfer chamber 27. Is provided with a gate valve 52.
- a gate valve 53 is provided between the first transfer chamber 27 and the first process chambers 23-1, 23-2.
- a first vacuum transfer robot 56 is provided in the first transfer chamber 27. The first vacuum transfer robot 56 transfers the substrate W between the first load lock chambers 26-1 and 26-2 and the first process chambers 23-1 and 23-2 under reduced pressure.
- a line L1 connecting the centers of the second process chambers 24-1 and 24-2 and the center of the second transfer chamber 30 is the longitudinal direction of the atmospheric transfer chamber 25, that is, a plurality of ports 21-1 to 21- 6 intersects the line L2 parallel to the arrangement direction (Y direction) of 6 at an acute angle.
- the angle formed by the line L1 and the longitudinal direction L2 of the atmospheric transfer chamber 25 is set to 40 ° to 50 °, for example.
- a maintenance space 24c for maintaining the second process chambers 24-1 and 24-2 from the back side is provided on a line obtained by extending the line L1 to the opposite side of the second transfer chamber 30.
- the two second process chambers 24-1 and 24-2 are arranged symmetrically with respect to a line L3 perpendicular to the longitudinal direction (Y direction) of the atmospheric transfer chamber 25.
- a V-shape is formed by a line L1 connecting the centers of the two second process chambers 24-1 and 24-2 and the center of the second transfer chamber 30, and the second process chambers 24-1 and 24-2.
- -2 is arranged in the direction of the line L1. Then, the substrate W is transferred (in / out) to / from the second process chambers 24-1 and 24-2 along the V-shaped line.
- a gate valve 54 is provided between the atmospheric transfer chamber 25 and the second load lock chambers 29-1 and 29-2, and between the second load lock chambers 29-1 and 29-2 and the second transfer chamber 30. Is provided with a gate valve 55.
- a gate valve 57 is provided between the second transfer chamber 30 and the second process chambers 24-1 and 24-2.
- a second vacuum transfer robot 58 is provided in the second transfer chamber 30. The second vacuum transfer robot 58 transfers the substrate W between the second load lock chambers 29-1 and 29-2 and the second process chambers 24-1 and 24-2 under reduced pressure.
- the first process chambers 23-1 and 23-2 are arranged at an acute angle (direction) with respect to the line L2 parallel to the longitudinal direction (Y direction) of the atmospheric transfer chamber 25, and the second process Since the chambers 24-1 and 24-2 are disposed at an acute angle (direction) with respect to the line L2 parallel to the longitudinal direction (Y direction) of the atmospheric transfer chamber 25, the first process chambers 23-1 and 23-2 are arranged.
- the second process chambers 24-1 and 24-2 are arranged in parallel with the longitudinal direction (Y direction) of the atmospheric transfer chamber 25, the lateral width of the substrate processing system can be reduced.
- a substrate transfer system having only the form shown in FIG. 6B or the form shown in FIG. 6C may be used. Since the first transfer unit 28 and the second transfer unit 31 are independent, the substrate transfer system is established with either one. Then, the form shown in FIG. 6 (c) may be added to the form shown in FIG. 6 (b) later, or the form shown in FIG. 6 (b) is added to the form shown in FIG. 6 (c). Also good. In this case, the loader module 22 is provided with a connection port capable of connecting the first transfer unit 28 or the second transfer unit 31 later.
- 6B indicates a height at which the first vacuum transfer robot 56 of the first transfer chamber 27 transfers the substrate from the first load lock chamber 26-2 to the first process chamber 23-2.
- the first vacuum transfer robot 56 transfers the substrate W from the first load lock chamber 26-2 to the first process chamber 23-2 (or in the opposite direction) at a substantially constant height.
- 6C indicates the height at which the second vacuum transfer robot 58 transfers the substrate W from the second load lock chamber 29-2 to the second process chamber 24-2 (or vice versa). .
- the second vacuum transfer robot 58 transfers the substrate at a substantially constant height from the second load lock chamber 29-2 to the second process chamber 24-2 (or in the opposite direction). The height at which the first vacuum transfer robot 56 shown in FIG.
- the first transport unit 28 in the upper layer shown in FIG. 6B and the second transport unit 31 in the lower layer shown in FIG. 6C do not interfere with or depend on each other. Since each substrate W is independently transferred, depending on the processing conditions in the plurality of process chambers 23-1, 23-2, 24-1, 24-2 connected to the respective transfer units 28, 31. Transfer with the loader module 22 can be performed with high transfer efficiency. For this reason, it is possible to increase the throughput, that is, the number of substrates W processed per unit time as a whole system, as compared with a conventional system having only a single route. Further, since the first vacuum transfer robot 56 and the second vacuum transfer robot 58 are independent, even if one of them breaks down, the remaining one of the vacuum transfer robots 56 and 58 can be operated. The entire processing system never stops.
- the hierarchical structure is also supported by a technique for reducing the vertical thickness of the load lock chambers 26-1, 26-2, 29-1, 29-2 and the transfer chambers 27, 30 that overlap in the vertical direction.
- the volume of the load lock chambers 26-1, 26-2, 29-1, 29-2 can be increased. It can be minimized, the thickness can be reduced, and the overall height can be suppressed even when stacked in a hierarchical structure.
- the overall height can be suppressed even if they are stacked in a hierarchical structure by suppressing the dimension in the height direction of the vacuum transfer arm to be employed.
- the depth dimension of the substrate processing system is reduced.
- the footprint can be further reduced.
- the first transfer unit 28 overlaps the loader module 22 in the vertical direction
- the second transfer unit 31 can be disposed close to the loader module 22, so that the atmospheric transfer robot and the second transfer in the atmospheric transfer chamber 25 can be arranged.
- the second vacuum transfer robot 58 in the chamber 30 can directly deliver the substrate W via the second load lock chambers 29-1 and 29-2. Further, it is possible to keep the volume to a minimum without providing a later-described substrate moving mechanism or the like in the second load lock chambers 29-1 and 29-2.
- the process chambers 23-1, 23-2, 24-1, 24-2 employed in FIGS. 6A to 6C are, as shown, vacuum chambers surrounding a vacuum region for executing a process. Although v itself is small in the vertical direction, the casing surrounding the vacuum vessel v is long in the vertical direction, and it is difficult to stack the other process chambers 23-1, 23-2, 24-1, 24-2 in the vertical direction.
- Equipment preferably provided above the process chambers 23-1, 23-2, 24-1, 24-2 includes a high-frequency power source, a microwave supply device, a matching circuit, a gas supply device, and the like necessary for plasma generation. It is done.
- a turbo molecular pump for vacuum exhaust, a vacuum pump, a high-frequency power source and the like can be cited. These are provided at the top and bottom of the casing surrounding the vacuum vessel v, occupy a vertically long space, and form process chambers 23-1, 23-2, 24-1, 24-2 as a whole.
- the process chambers 23-1, 23-2, 24-1, 24-2 occupy the vertical space in this way, the shortest arrangement of equipment can be taken, and the process can be performed.
- the machine difference between the process chambers 23-1, 23-2, 24-1, 24-2 can be reduced.
- such a process chamber is preferable in order to realize a process condition in a case where a device is formed with a 22 nm design rule for a 450 mm wafer, which is a currently required technology, with high reproducibility.
- first transfer unit 27 and the second transfer unit 31 of the first transfer unit 28 are arranged by arranging the first transfer unit 28 having a shorter length on the upper side and the second transfer unit 31 having a longer length on the lower side.
- the second load lock chambers 29-1 and 29-2 overlap, the first transfer chamber 27 and the second transfer chamber 30 can be prevented from overlapping. For this reason, the maintenance of the first transfer chamber 27 and the second transfer chamber 30 is facilitated.
- FIG. 7 shows an example in which the first transport unit 28 and the second transport unit 31 are turned upside down as a comparative example.
- the second load lock chambers 29-1 and 29-2 are disposed above the first transfer chamber 27, so that the maintenance cover of the first transfer chamber 27 cannot be opened. It is also possible to configure the first transport unit 28 and the second transport unit 31 upside down. Even in this case, compared with the prior art, the footprint can be suppressed and high throughput can be achieved.
- FIG. 8 shows a schematic perspective view of the overall configuration of the first and second transport units 28 and 31.
- the atmospheric transfer robot 60 has a scalar type transfer arm that can access any cassette on the port 21 provided along the loader module 22 and can take in and out the substrate W from the cassette.
- the SCARA arm moves the atmospheric transfer chamber in the vertical direction (Z direction) and the longitudinal direction (Y direction) by a moving mechanism (not shown).
- the first load lock chambers 26-1 and 26-2 and the second load lock chambers 29-1 and 29-2 are disposed at positions accessible by the atmospheric transfer robot 60.
- the atmospheric transfer robot 60 transfers the substrate W to the first load lock chambers 26-1 and 26-2 under atmospheric pressure.
- the substrate W carried into the first load lock chambers 26-1 and 26-2 is transferred to one of the first process chambers 23-1 and 23-2 by the first vacuum transfer robot 56 under reduced pressure.
- the atmospheric transfer robot 60 also transfers the substrate W to the second load lock chambers 29-1 and 29-2.
- the substrate W transferred to one of the second load lock chambers 29-1 and 29-2 is transferred to one of the second process chambers 24-1 and 24-2 by the second vacuum transfer robot 58 under reduced pressure. Is done. *
- FIG. 9 is a perspective view of the atmospheric transfer chamber 25 and the atmospheric transfer robot 60.
- FIG. 9 shows an example in which a portal-type robot is used instead of a scalar-type robot.
- the atmospheric transfer chamber 25 is formed in a cubic shape elongated in the arrangement direction of the ports 21.
- An FFU (not shown) is installed above the atmospheric transfer chamber 25, and an air downflow is formed in the atmospheric transfer chamber 25. *
- Two systems of the first transfer unit 28 and the second transfer unit 31 are connected to the atmospheric transfer chamber 25. If there is only one atmospheric transfer robot 60, the transfer process of the atmospheric transfer robot 60 may not be in time. Therefore, two atmospheric transfer robots 60-1 and 60-2 are provided on both sides in the longitudinal direction (Y direction) from the center of the atmospheric transfer chamber 25. At the center of the atmospheric transfer chamber 25 in the longitudinal direction (Y direction), an orienter 61 that recognizes a notch of the substrate W and performs alignment (positioning) of the substrate W is provided. Below the orienter 61, a connection port 62 connected to the second load lock chambers 29-1 and 29-2 is provided.
- Both of the two atmospheric transfer robots 60-1 and 60-2 can access the central orienter 61 and the second load lock chambers 29-1 and 29-2.
- the atmospheric transfer robot 60-1 closer to each load lock chamber is provided.
- 60-2 only access. That is, only the atmospheric transfer robot 60-1 accesses the load lock chamber 26-1, and only the atmospheric transfer robot 60-2 accesses the load lock chamber 26-2.
- the gate-type atmospheric transfer robots 60-1 and 60-2 include a Y-axis guide 63 extending in parallel to the longitudinal direction (Y direction) of the atmospheric transfer chamber 25, and a Z-axis extending in the vertical direction (Z direction).
- a guide 64 is provided.
- the Z-axis guide 64 is attached with a slide base 65 that performs the same role as the SCARA robot.
- An arm (not shown) that holds the substrate W is attached to the slide table. When the arm slides on the slide table, the substrate W can be transferred to the ports 21-1 to 21-6 and the first and second load lock chambers 26-1, 26-2, 29-1, 29-2. it can. *
- the ports 21-1 to 21-6 that are in charge of the two atmospheric transfer robots 60-1 and 60-2 are determined in advance.
- the atmospheric transfer robots 60-1 and 60-2 put the substrate W in and out of the cassettes arranged in the ports 21-1 to 21-6, and place the substrate W on the orienter 61.
- the substrate aligned by the orienter 61 is taken out by one of the atmospheric transfer robots 60-1 and 60-2, and the first load lock chambers 26-1 and 26-2 or the second load lock chambers 29-1 and 29- are taken. 2 is conveyed to one of the two.
- the other of the atmospheric transfer robots 60-1 and 60-2 may take out the substrate from the orienter 61. Good. *
- the substrate moves along the longitudinal direction (Y direction) of the atmospheric transfer chamber 25 constituting the loader module 22, takes out the unprocessed substrate W from the cassette 21, and loads the load lock chamber 26-1. , 26-2, 29-1, 29-2, atmospheric transfer robots 60-1, 60-2 are provided. Since the atmospheric transfer chamber 25 is elongated in the arrangement direction (Y direction) of the plurality of ports 21-1 to 21-6, the transfer in the atmospheric transfer chamber 25 is performed in order to improve transfer efficiency and improve throughput. The area is divided into two in the longitudinal direction (Y direction) from the center to the left and right, and two atmospheric transfer robots 60-1 and 60-2 that can independently transfer the substrate W are transferred to the left and right transfer areas of the atmospheric transfer chamber 25. Can be provided respectively.
- the substrate W is loaded into and removed from the cassettes of the three ports 21-4 to 21-6 in the left half.
- the transfer robot 60-2 takes charge of the transfer of the substrate W to and from the cassettes of the three ports 21-1 to 21-3 in the right half, and the transfer robot 60-1 arranged on the right takes charge of the transfer. Efficiency can be improved.
- the two cassettes placed on the central ports 21-3 and 21-4 can be accessed by both the left and right atmospheric transfer robots 60-1 and 60-2, so that the load lock chamber can be accessed. 26-1, 26-2, 29-1, 29-2, and the processed substrate W can be transferred to the load lock chambers 26-1, 26-2, 29-1, 29-.
- the processed substrate W can be stored in the common cassette on the ports 21-3 and 21-4. Further, the substrate processing via the upper layer transport unit and the substrate processing via the lower layer transport unit are divided into the cassettes on the left three ports 21-1 to 21-3 and the three ports 21 on the right side. -4 to 21-6, the selection of separating the cassettes, the selection of taking out the substrate W from the common cassette on the ports 21-3 and 21-4, and storing the processed substrate W in the common cassette, etc. This is done according to software instructions.
- FIG. 10 is a perspective view of the first load lock chambers 26-1 and 26-2 and the first transfer chamber 27.
- Two first load lock chambers 26-1 and 26-2 are connected to two sides 27 a of the first transfer chamber 27 formed in a planar polygon via gate valves 52, respectively. *
- the first load lock chambers 26-1 and 26-2 are small chambers that are repeatedly evacuated and returned to atmospheric pressure.
- the first load lock chambers 26-1 and 26-2 are connected to an exhaust device for evacuation and a nitrogen gas or air purge gas supply system for returning to atmospheric pressure.
- the pressure in the first load lock chambers 26-1 and 26-2 is measured by a pressure gauge.
- the volume of the first load lock chambers 26-1 and 26-2 is set as small as possible while satisfying necessary functions so that evacuation and return to atmospheric pressure can be performed easily.
- the first load lock chambers 26-1 and 26-2 and the atmospheric transfer chamber 25 are connected to each other via a gate valve 51.
- the first load lock chambers 26-1 and 26-2 are provided with a lifter for supporting the substrate W and a lifter drive (not shown) for moving the lifter up and down.
- a lifter for supporting the substrate W
- a lifter drive (not shown) for moving the lifter up and down.
- a first load lock module is configured by the first load lock chambers 26-1 and 26-2, the exhaust device, the purge gas supply system, the pressure gauge, the lifter, and the lifter drive.
- the first load lock module may further include a heating / cooling device.
- the inside of the first transfer chamber 27 is evacuated by an exhaust device.
- the lid 34 (see FIG. 4) is opened.
- a first vacuum transfer robot 56 is provided inside the first transfer chamber 27.
- the first transfer chamber 27 and the first vacuum transfer robot 56 constitute a first transfer module.
- the first vacuum transfer robot 56 includes a pair of foot-type transfer mechanisms. As shown in FIG. 5 (a), each of the foot-type transport mechanisms includes first and second drive arms 143 and 144 that are driven to rotate around the center of the transfer chamber 27, and the tip of the first drive arm 143. The first link 145 rotatably connected to the second drive arm 144, the second link 146 rotatably connected to the tip of the second drive arm 144, and the tips of the first and second links 145 and 146 are rotatably connected. Holding plate 147. The first and second drive arms 143 and 144, the first and second links 145 and 146, and the holding plate form a rhombus-like link mechanism. The pair of legged transport mechanisms are formed symmetrically with respect to a line including the center of the transfer chamber 27.
- the first vacuum transfer robot 56 may include a Z-axis movement mechanism that raises and lowers a pair of legged transfer mechanisms. *
- the first vacuum transfer robot 56 is not limited to a foot-type transfer mechanism, and may be a SCARA robot or a cylindrical coordinate system robot.
- the first vacuum transfer robot 56 may include a Z-axis movement mechanism that raises and lowers a pair of legged transfer mechanisms. *
- the operation of the first load lock module and the first transfer module is as follows. As shown in FIG. 9, when the atmospheric transfer robot 60-1 or 60-2 carries the substrate W into the first load lock chamber 26-1 or 26-2, the first load lock chamber 26-1 or 26-2 The gate valve 51 on the atmosphere transfer chamber 25 side is closed, and the first load lock chamber 26-1 or 26-2 is evacuated. When the first load lock chamber 26-1 or 26-2 is in a vacuum state, the gate valve 52 on the first transfer chamber 27 side is opened, and the first load lock chamber 26-1 or 26-2 and the first transfer chamber 27 are opened. And communicate.
- the first vacuum transfer robot 56 draws (unloads) an unprocessed substrate W from the first load lock chamber 26-1 or 26-2 into the first transfer chamber 27 under reduced pressure, and unloads the unprocessed substrate W The substrate W is carried into the first process chamber 23-1 or 23-2.
- the first vacuum transfer robot 56 receives the processed substrate W from the first process chamber 23-1 or 23-2, and performs the first transfer. After being drawn into the chamber 27, the substrate W is transferred to the other of the first process chambers 23-1 and 23-2 or the first load lock chambers 26-1 and 26-2 for performing the next processing.
- the gate valve 52 on the first transfer chamber 27 side is closed. After that, after the first load lock chamber 26-1 or 26-2 carrying the substrate W returns to the atmospheric pressure, the gate valve 51 on the atmosphere transfer chamber 25 side is opened.
- the atmospheric transfer robot 60-1 or 60-2 takes out the processed substrate W from the first load lock chamber 26-1 or 26-2 under atmospheric pressure, and takes the taken out substrate W into the ports 21-1 to 21-. Return to one of the cassettes above. *
- FIG. 11 is a perspective view of the second load lock chambers 29-1 and 29-2 and the second transfer chamber 30.
- FIG. On one side 30a facing the loader module 22 of the second transfer chamber 30 formed in a planar polygon, two second load lock chambers 29-1, up and down via two gate valves 71, 72 up and down. 29-2 are linked.
- the second load lock chambers 29-1 and 29-2 are small rooms in which evacuation and return to atmospheric pressure are repeatedly performed.
- the second load lock chambers 29-1 and 29-2 are connected to an exhaust device for evacuating and to a nitrogen gas or air purge gas supply system for returning to atmospheric pressure. In order to control the pressure, the pressure in the second load lock chambers 29-1, 29-2 is measured by a pressure gauge.
- the volume of the second load lock chambers 29-1 and 29-2 is set as small as possible while satisfying necessary functions so that evacuation and return to atmospheric pressure can be performed easily.
- the second load lock chambers 29-1 and 29-2 and the atmospheric transfer chamber 25 are connected via gate valves 54-1 and 54-2, and the second load lock chamber 29-1 is connected.
- 29-2 and the second transfer chamber 30 are connected through gate valves 55-1 and 55-2.
- the second vacuum transfer robot 58 includes a Z-axis moving mechanism that moves the substrate W up and down in the Z-axis direction so that the substrate W can be transferred to the upper and lower second load lock chambers 29-1 and 29-2.
- a fixed lifter for supporting the substrate W is provided in the upper second load lock chamber 29-1.
- the lower second load lock chamber 29-2 is provided with a lifter 75 that supports the substrate W and a lifter drive 76 that raises and lowers the lifter 75.
- the lifter 75 is lowered in an empty state. ing.
- the lifter moves up and receives the substrate from the atmospheric transfer robots 60-1 and 60-2 or the second vacuum transfer robot 58.
- second load lock chambers 29-1, 29-2, exhaust device, purge gas supply system, pressure gauge, lifters 74, 75, etc. constitute a second load lock module.
- the lifter provided in the second load lock may be provided with a fixed lifter similarly to the first load lock.
- the second load lock module may further include a heating / cooling device.
- the inside of the second transfer chamber 30 is evacuated by an exhaust device.
- the lid 39 (see FIG. 4) is opened.
- a second vacuum transfer robot 58 is provided inside the second transfer chamber 30.
- the second transfer chamber 30 and the second vacuum transfer robot 58 constitute a second transfer module.
- the second vacuum transfer robot 58 also includes a pair of legged transfer mechanisms. The structure and operation of the pair of legged type transport mechanisms are the same as those of the legged type transport mechanism shown in FIG.
- the operation of the second load lock module and the second transfer module is as follows. As shown in FIG. 9, when the atmospheric transfer robot 60-1 or 60-2 carries the substrate W into the second load lock chamber 29-1 or 29-2, the second load lock chamber 29-1 or 29-2 The gate valve 73 or 74 on the atmosphere transfer chamber 25 side is closed, and the second load lock chamber 29-1 or 29-2 is evacuated. When the second load lock chamber 29-1 or 29-2 is in a vacuum state, the gate valve 71 or 72 on the second transfer chamber 30 side is opened, and the second load lock chamber 29-1 or 29-2 and the second transfer are transferred. The chamber 30 communicates.
- the second vacuum transfer robot 58 draws (unloads) the unprocessed substrate W from the second load lock chamber 29-1 or 29-2 into the second transfer chamber 30 under reduced pressure, and unloads the unprocessed substrate that has been unloaded. W is carried into the second process chamber 24-1 or 24-2.
- the second vacuum transfer robot 58 draws (processes) the processed substrate W from the second process chamber 24-1 or 24-2 into the second transfer chamber 30. Then, the processed substrate W is transferred to either the other of the second process chambers 24-1 and 24-2 or the second load lock chambers 29-1 and 29-2 for performing the next processing.
- the gate valve 71 or 72 on the second transfer chamber 30 side is closed, and the gate valve 73 or 74 on the atmospheric transfer chamber 25 side is opened. .
- the atmospheric transfer robot 60-1 or 60-2 performs the second load lock chamber 29-1.
- the processed substrate W is taken out from 29-2, and the taken-out substrate W is returned to any cassette on the ports 21-1 to 21-6.
- the atmospheric transfer robots 60-1 and 60-2, the first vacuum transfer robot 56, the second vacuum transfer robot 58 and the like are controlled by a control device such as a computer. *
- FIG. 13 shows the flow of the substrate W from one of the ports 21-1 to 21-6, for example, the cassette on the port 21-1 to the first process chamber 23-1 or 23-2.
- One atmospheric transfer robot 60-1 draws the unprocessed substrate W from the cassette 78 on the port 21-1 into the atmospheric transfer chamber 25 (A ⁇ B).
- the atmospheric transfer robot 60-1 transfers the substrate to the orienter 61, and places the substrate W on the orienter 61 for detecting the direction of the substrate W by detecting notches or orientation flats of the substrate (B ⁇ C).
- the atmospheric transfer robot 60-1 takes out the substrate W aligned by the orienter 61 and carries it into one first load lock chamber 26-1 (C ⁇ D).
- the other atmospheric transfer robot 60-2 takes out the substrate W from the orienter 61, and the other second load lock chamber 29- Alternatively, the substrate W may be carried into 2.
- the first vacuum transfer robot 56 of the first transfer chamber 27 pulls out the substrate W from the first load lock chamber 26-1, and passes through the first transfer chamber 27. Thereafter, the substrate W is transferred to one first process chamber 23-1 (D ⁇ E ⁇ F).
- the substrate W processed in the first process chamber 23-1 is transferred to the other first process chamber 23-2 by the first vacuum transfer robot 56, or returned to the first load lock chamber 26-1 (see FIG.
- the substrate may walk across the two first process chambers 23-1, 23-2, or may be returned to the first load lock chamber 26-1 without walking).
- the substrate W returned to the load lock chamber 26-1 is returned to the cassette 78 on the port 21-1 by the atmospheric transfer robot 60-1.
- the length of the substrate transfer path from the orienter 61 to the first process chambers 23-1 and 23-2 via the first transfer unit 28 is determined by either of the two first load lock chambers 26-1 and 26-2. It is preferable that the length is set to be the same even if it passes through. In this case, the time for transporting the substrate W from the orienter 61 to the first process chambers 23-1 and 23-2 should be substantially equal regardless of which of the two atmospheric transfer robots 60-1 and 60-2 is used. It is possible to increase the compatibility in the process processing by making the transport time before and after the process processing the same. *
- FIG. 14 shows the flow of the substrate W from one of the ports 21-1 to 21-6, for example, from the cassette 78 on the port 21-1 to the second process chamber 24-1.
- One atmospheric transfer robot 60-1 draws the unprocessed substrate W from the cassette 78 on the port 21-1 into the atmospheric transfer chamber 25 (A ⁇ B).
- the atmospheric transfer robot 60-1 transfers the substrate W to the orienter 61 and places the substrate W on the orienter 61 (B ⁇ C).
- the atmospheric transfer robot 60-1 takes out the substrate aligned by the orienter 61 and carries it into one second load lock chamber 29-1 (C ⁇ D).
- the other atmospheric transfer robot 60-2 takes out the substrate W from the orienter 61, and the other second load lock chamber 29- Alternatively, the substrate W may be carried into 2.
- the second vacuum transfer robot 58 of the second transfer chamber 30 pulls out the substrate W from the second load lock chamber 29-1, and passes through the second transfer chamber 30. After that, the substrate W is transferred to the second process chamber 24-1 (D ⁇ E ⁇ F).
- the substrate W processed in the second process chamber 24-1 is transferred to the other second process chamber 24-2 by the second vacuum transfer robot 58 or returned to the second load lock chamber 29-1.
- the substrate W may walk across the two second process chambers 24-1 and 24-2, or may be returned to the second load lock chamber 29-1 without walking).
- the substrate W returned to the second load lock chamber 29-1 is returned to the cassette 78 on the port 21-1 by the atmospheric transfer robot 60-1.
- the transport path length of the substrate W from the orienter 61 to the second process chambers 24-1 and 24-2 via the second transport unit 31 passes through either of the two second load lock chambers 291 and 29-2. Even so, it is preferable that the lengths are set to be substantially the same.
- the time for transporting the substrate W from the orienter 61 to the second process chambers 24-1 and 24-2 should be substantially equal regardless of which of the two atmospheric transfer robots 60-1 and 60-2 is used. It is possible to increase the compatibility in the process processing by making the transport time before and after the process processing the same.
- the flow of the substrate W in FIG. 13 and FIG. 14 passes through the first load lock chamber 26-1 or 26-2 and the first transfer chamber 27 to the first process chamber 23-1 or 23-2.
- the substrate W is transferred to the second process chamber 24-1 or 24-2 through the first transfer step of transferring the substrate W, the second load lock chamber 29-1 or 29-2, and the second transfer chamber 30.
- the distance from the loader module 22 to each process chamber is different from the second transfer step to be transferred, the process is performed with the same number of delivery steps, so that the process is compatible between the first transfer step and the second transfer step. It is possible to increase the sex. *
- FIG. 15 shows two third process chambers 80-1, 80-2 in addition to the two first process chambers 23-1, 23-2 and the two second process chambers 24-1, 24-2.
- deployed 2 planarly is shown.
- the two third process chambers 80-1 and 80-2 are disposed at a position farther from the loader module 22 than the first process chambers 23-1 and 23-2 and the second process chambers 24-1 and 24-2. .
- the third process chambers 80-1 and 80-2 do not overlap in the vertical direction with respect to any of the first process chambers 23-1 and 23-2 and the second process chambers 24-1 and 24-2. Placed at a distance. *
- the two third process chambers 80-1 and 80-2 are connected to the loader module 22 via the third transfer chamber 82 and the third load lock chamber 81 (see FIG. 16).
- the third load lock chamber 81 and the third transfer chamber 82 are referred to as a third transfer unit 83.
- the third transfer unit 83 transfers the substrate W to the third process chambers 80-1 and 80-2 independently of the first transfer unit 28 and the second transfer unit 31.
- the third transport unit 83 extends in a direction (X direction) orthogonal to the longitudinal direction (Y direction) of the loader module 22.
- the third transfer unit 83 passes between the two first process chambers 23-1 and 23-2 and between the two second process chambers 24-1 and 24-2.
- the length of the third transport unit 83 in the depth direction (X direction) is longer than the length of the second transport unit 31.
- the third transport unit 83 is disposed below the second transport unit 31. In the middle of the path from the loader module 22 to the third process chambers 80-1 and 80-2, at least a part of the first, second and third transfer units 28, 31, and 83 are overlapped. Only the second and third transport units 31 and 83 overlap each other, and finally only the third transport unit 83 exists alone. *
- the third transfer unit 83 includes a third load lock chamber 81 in which the substrate W is transferred by the atmospheric transfer robots 60-1 and 60-2 in the atmospheric transfer chamber 25, and a third load lock chamber.
- a third transfer chamber 82 provided with a third vacuum transfer robot 84 for transferring the substrate W transferred to 81 to the third process chambers 80-1 and 80-2 is provided.
- the third load lock chamber 81 and the third transfer chamber 82 are connected via a gate valve 85.
- the third load lock chamber 81 and the atmospheric transfer chamber 25 are connected via a gate valve 86.
- the flow of the substrate from the third load lock chamber 81 to the third process chambers 80-1 and 80-2 is referred to as a third transfer route.
- the third transfer chamber 82 is formed in a planar polygon, and the third load lock chamber 81 is connected to one side (side opposite to the loader module 22) 82a via a gate valve 85.
- Two other third process chambers 80 are provided on the other two sides of the third transfer chamber 82 (the side opposite to the side 82a and inclined to the longitudinal direction (Y direction) of the loader module 22) 82b.
- -1,80-2, and the two third process chambers 80-1, 80-2 are arranged to form a V shape with respect to the third transfer chamber 82.
- the substrate W is transferred (in / out) to / from the third process chambers 80-1 and 80-2 along the line A.
- the arrangement angles of the two third process chambers 80-1 and 80-2 are the two second process chambers. It is equal to the arrangement angle of 24-1 and 24-2, and the arrangement angle of the two first process chambers 23-1 and 23-2, the third true being arranged in the third transfer chamber 82.
- the transfer robot 84, as well as the first and second vacuum transfer robot 56, 58 comprises a transport mechanism for a pair of frog legs expression.
- the third load lock chamber 81 extends from the loader module 22 toward the third transfer chamber 82.
- the third load lock chamber 81 is provided with a moving mechanism 90 that linearly moves the substrate W in the longitudinal direction (X direction).
- the moving mechanism 90 includes a stage 91 and a brushless linear motor 92 that moves the stage 91.
- the stage 91 is provided with a lifter 93a that supports the substrate W and a lifter drive 93 that raises and lowers the lifter 93a.
- the third transfer chamber 82 is disposed at a position farther from the loader module 22 than the second transfer chamber 30, and the substrate W is directly connected between the atmospheric transfer robots 60-1 and 60-2 and the third vacuum transfer robot 84. It becomes difficult to deliver. For this reason, a moving mechanism 90 is provided in the third load lock chamber 81 so that the substrate W is transferred.
- the operation of the third load lock module and the third transfer module is as follows.
- the gate valve 86 on the atmospheric transfer chamber 25 side of the third load lock chamber 81 is closed, and the third load lock chamber 81 is closed.
- the load lock chamber 81 is evacuated. While the third load lock chamber 81 is being evacuated, the moving mechanism 90 moves the stage 91 on which the substrate W is placed toward the third transfer chamber 82. By performing evacuation and moving the stage 91 at the same time, the time required for moving the stage 91 does not cause a decrease in throughput.
- the gate valve 85 on the third transfer chamber 82 side is opened, and the third load lock chamber 81 and the third transfer chamber 82 communicate with each other.
- the third vacuum transfer robot 84 receives the substrate on the stage 91 transferred by the moving mechanism 90 and passes it to the third process chamber 80-1 or 80-2.
- FIG. 17 shows an example in which a small process chamber 94 and a storage 95 are attached using the empty space of the substrate processing system.
- a small process chamber 94 is formed in the first transfer chamber 27 by utilizing an empty space between a pair of first process chambers 23-1 (not shown) and 23-2 arranged in a V shape. Link.
- a small process chamber 94 is connected to the second transfer chamber 30 by utilizing an empty space between a pair of second process chambers 24-1 (not shown) and 24-2 arranged in a V shape.
- the storage 95 uses an empty space between the first process chambers 23-1 and 23-2 disposed at an acute angle (direction) with respect to the longitudinal direction (Y direction) of the atmospheric transfer chamber 25 and the atmospheric transfer chamber 25.
- the small process chamber 94 is, for example, a post-processing chamber for annealing and stabilizing a plasma-treated substrate, or a deposition gas chamber for performing degassing processing by raising the temperature of the substrate W under reduced pressure. is there.
- the storage 95 is, for example, a dummy storage for storing a dummy substrate or a purge storage for purging gas remaining on the substrate W.
- the dummy substrate is flowed to the first and second process chambers 23-1, 23-2, 24-1, 24-2 until the processing is stabilized.
- a module for cleaning the back surface of the substrate can be provided so as to be connected to the atmospheric transfer chamber 25.
- a small process chamber 94 and storage 95 can be provided without changing the footprint. *
- the first process chamber 23-1 is a barrier film sputtering apparatus
- the other first process chamber 23-2 is A Cu (copper) sputtering apparatus and a small process chamber 94 are used as an annealing apparatus.
- a wafer having a wiring groove formed in an interlayer insulating film is first sent to a small process chamber 94 and pre-cured by PVD.
- the wafer is sent to the first process chamber 23-1, and a barrier film such as TiN is formed on the interlayer insulating film by a sputtering apparatus.
- the wafer is sent from the first process chamber 23-1 to the first process chamber 23-2, and Cu (copper) is formed on the barrier film by a sputtering apparatus.
- FIGS. 18 and 19 are planes in which footprints are compared between a conventional cluster-type substrate transfer apparatus ((a) in the drawing) and the substrate processing system of the first embodiment of the present invention ((b) in the drawing).
- FIG. 18 shows a case where the number of process chambers is four
- FIG. 19 shows a case where the number of process chambers is six.
- the size of the process chamber is set to a size capable of processing a 450 mm wafer.
- the width dimension is reduced from A ⁇ A ′ and the depth dimension is reduced from B ⁇ B ′ by configuring as in the present embodiment.
- the total area was reduced from 31.1 m 2 to 26.5 m 2 .
- FIG. 19 when the number of process chambers was 6, the depth dimension increased from B ⁇ B ′, but the width dimension significantly decreased from A ⁇ A ′.
- the total area was reduced from 38.6 m 2 to 36.6 m 2 .
- the first and second process chambers 23-1, 23-2, 24-1, 24-2 are painted black. There is a free area in the area. By utilizing this empty area, an inspection space can be secured around the first and second process chambers 23-1, 23-2, 24-1, 24-2. Further, by utilizing this empty area, the shape of the first and second process chambers 23-1, 23-2, 24-1, 24-2 is changed from the shape shown in FIG. The design of the first and second process chambers 23-1, 23-2, 24-1, 24-2 can be increased.
- FIG. 22 and 23 are time charts comparing the throughputs of the conventional cluster type substrate processing system and the substrate processing system according to the first embodiment of the present invention.
- FIG. 22 shows a time chart of a conventional cluster type substrate processing system. As shown in FIG. 22, it is assumed that four process chambers are connected to one central transfer chamber. It is assumed that the transfer of the vacuum in the transfer chamber takes 7 s to extend and retract the arm and transfer the substrate W, and 2 s to rotate the arm and move it to the next position. Since the opening and closing of the gate is performed in a short time compared to them, it is omitted.
- the vacuum transfer robot delivers an unprocessed substrate W to PM3 and PM4.
- the vacuum transfer robot faces the load lock chamber (2s), accesses the load lock chamber, receives the unprocessed substrate W from the load lock chamber (7s), and passes it to PM1. Turn toward (2s).
- the vacuum transfer robot delivers the unprocessed substrate W to the four process chambers is completed.
- the bold arrow represents the timing when one cycle is over. In this example, it takes 72 seconds to complete one cycle.
- the vacuum transfer robot accesses PM1, receives the processed substrate W from PM1, and passes the unprocessed substrate W to PM1.
- the oval part represents the waiting time of PM1. If the processing time of PM1 is less than 65 s, PM1 must wait until a new substrate W is delivered by the vacuum transfer robot even if the process is completed. The shorter the processing time of PM1, the longer the waiting time.
- FIG. 23 shows a time chart of the substrate processing system according to the first embodiment of the present invention.
- the substrate processing system of the first embodiment of the present invention two vacuum transfer robots are provided, and each vacuum transfer robot takes charge of two process chambers.
- the gate opening / closing time, the arm expansion / contraction time of the vacuum transfer robot, and the arm turning time are combined with the conventional substrate processing system.
- the first vacuum transfer robot takes 7 seconds for the first vacuum transfer robot to access PM1 and deliver the substrate.
- PM1 to which the substrate is passed, the process is started.
- the first vacuum transfer robot turns toward the load lock chamber (2s) to access the unprocessed substrate W to PM2, accesses the load lock chamber, receives the substrate W (7s), and sends it to PM2. Turn toward (2s).
- the vacuum transfer robot accesses PM2 and delivers the unprocessed substrate W (7s).
- the vacuum transfer robot faces the load lock chamber (2s), accesses the load lock chamber, receives the unprocessed substrate W from the load lock chamber (7s), and sends it to PM1. Turn toward (2s).
- FIG. 24 shows a substrate processing system according to the second embodiment of the present invention.
- the second transfer chamber 30 is connected to the first transfer chamber 27 via a connection chamber 96 instead of being connected to the loader module 22 via the second load lock chambers 29-1 and 29-2. Is done. Since the first transfer chamber 27 and the second transfer chamber 30 have different heights, the connection chamber 96 is provided with an elevating mechanism (elevator) for elevating the substrate W.
- an elevating mechanism elevating mechanism
- the configurations of the loader module 22, the first load lock chambers 26-1 and 26-2, the first transfer chamber 27, the first process chambers 23-1 and 23-2, and the second process chambers 24-1 and 24-2 are as follows. Since it is the same as the substrate processing system of the first embodiment, the same reference numerals are given and the description thereof is omitted. *
- the first transfer chamber 27 and the second transfer chamber 30 are connected via the connection chamber 96, so that the conventional planarly developed multi-chamber type substrate processing is performed. Compared to the system, the footprint is reduced.
- the substrate can be moved between the first process chambers 23-1 and 23-2 and the second process chambers 24-1 and 24-2 (continuous processing in a vacuum).
- the connection chamber 96 may be provided so as to be connected to the second load lock chamber, and in this case, an effect that the degree of freedom of conveyance is improved can be expected.
- a gate valve may be provided between the connection chamber 96 and the first transfer chamber 27, between the second transfer chamber 30, and between the second load lock chamber. In that case, independence between the chambers is ensured, and the degree of freedom in maintenance is improved.
- the first process chamber 23-1 is a plasma CVD apparatus for forming a Ti film
- the other first process chamber 23 -2 is a thermal CVD apparatus for forming a TiN film
- the second process chambers 24-1 and 24-2 connected to the second transfer chamber 30 connected to the first transfer chamber 27 via the connecting chamber 96.
- Is a thermal CVD apparatus for forming a W plug for example. Using these, contact plugs are formed in the holes formed on the source / drain. First, the wafer in which the contact hole is formed is sent to the first process chamber 23-1, and a Ti layer is formed so as to cover the hole by plasma CVD.
- the Ti process layer 23-1 is sent to the first process chamber 23-2, and a Ti layer is formed on the Ti layer by thermal CVD. Further, the wafer is sent to the second transfer chamber 30 through the connection chamber 96 and is transferred to the second process chamber 24-1 or 24-2, and a W plug is formed by a thermal CVD apparatus. These series of steps can be continuously performed in a vacuum environment through the connection chamber 96. The Ti / TiN film forming process and the W plug forming process can be performed independently and in parallel without using the connection chamber 96. A continuous vacuum processing method for moving wafers between process chambers through each transfer unit or connection chamber 96 and a processing method for executing single processes in parallel depend on the processing content of the substrate transfer processing system. Can be selected as appropriate.
- the present invention is configured as a substrate processing system including the first and second process chambers and further the third process chamber.
- the present invention is not limited to the substrate processing system including the first and second or third process chambers, and may be configured as a transfer module for transferring the substrate W to the first and second process chambers. Can do.
- the transport module embodiment is equivalent to the substrate processing system embodiment described above with the first and second or third process chambers removed.
- FIG. 25 shows an example in which an inspection apparatus 97 and a dummy storage 98 are added as options to the substrate processing system in the second embodiment.
- two sides 30b of the second transfer chamber 30 to which the two second process chambers 24-1 and 24-2 are connected (the longitudinal direction of the loader module 22 on the opposite side of the loader module 22)
- a space is vacant in a portion corresponding to one side 30c between sides that are inclined with respect to (Y direction).
- the atmospheric transfer chamber 99 is connected to one side 30 c of the second transfer chamber 30 via the load lock chamber 101.
- the atmospheric transfer chamber 99 is provided with an atmospheric transfer robot 100 that receives the substrate W from the load lock chamber 101 and transfers the substrate W to the inspection apparatus 97 and the dummy storage 98.
- a vacuum transfer robot may be used to transfer the substrate to the inspection device 97 in a vacuum, or to take out the substrate from the dummy storage 98 in the vacuum. *
- the inspection apparatus 97 is connected to the loader module 22. As in this example, by connecting the inspection apparatus 97 to the second transfer chamber 30, in-line inspection, that is, inspection of the substrate W immediately after the processing is completed in the second process chambers 24-1 and 24-2. The inspected substrate W can be returned to the second process chambers 24-1 and 24-2 and processed again.
- the inspection apparatus 97 and the dummy storage 98 may be coupled to the second transfer chamber 30 of the substrate processing system in the first embodiment. Further, the inspection apparatus 97 and the dummy storage 98 may be connected to each of the first transfer chamber 27 and the second transfer chamber 30 of the substrate processing system in the first embodiment.
- a port for mounting a cassette for storing processed substrates may be provided on the side surface of the atmospheric transfer chamber 99.
- an inline-type transfer processing system apparatus in which the entrance and exit of the substrate W to be processed are different, and the width of the transfer route and apparatus layout of the substrate W is widened.
- FIG. 26 shows a plan view of the substrate processing system in the third embodiment of the present invention.
- the first load lock chambers 26-1 and 26-2 and the first transfer chamber 27 of the first transport unit 28 do not overlap the loader module 22 in the vertical direction.
- the first transfer chamber 27 is located away from the loader module 22. Placed in.
- the second transfer chamber 30 is disposed at a position farther from the loader module 22.
- the second load lock chambers 29-1 and 29-2 of the second transfer unit 31 are provided with stages for moving the substrate W in one direction, similarly to the third load lock chamber 81 shown in FIG. It is done.
- FIG. 27 shows a substrate processing system in the fourth embodiment of the present invention.
- the substrate processing system of this example includes only the upper level transport unit 28 (see FIG. 5A) of the substrate processing system in the first embodiment, and the lower level transport unit 31 (FIG. 5B). ) Reference) is different from the substrate processing system in the first embodiment in that it is not provided.
- the configuration of the transport unit 28 is the same as the transport unit 28 in the upper hierarchy of the substrate processing system of the first embodiment. That is, the transport unit 28 includes load lock chambers 26-1 and 26-2 and a transfer chamber 27. At least a part of the load lock chambers 26-1 and 26-2 and a part of the transfer chamber 27 overlap the loader module 22 in the vertical direction. *
- the throughput is not much different from that of the conventional cluster type substrate processing system, but at least a part of the load lock chambers 26-1 and 26-2 and the transfer chamber 27.
- the footprint decreases by the part.
- FIG. 28 and 29 show a modification of the substrate processing system in the fourth embodiment.
- this modification as in the substrate processing system in the fourth embodiment, at least a part of the load lock chambers 26-1 and 26-2 and a part of the transfer chamber 27 overlap the loader module 22 in the vertical direction.
- Two transfer chambers 141 and 142 are connected to the transfer chamber 27 in series.
- Each connection chamber 141, 142 is provided with a vacuum transfer robot 153, 154.
- At least one, for example, two process chambers 24-1 and 24-2 or 80-1 and 80-2 are connected to each connection chamber 141 and 142.
- the two process chambers 24-1 and 24-2 or 80-1 and 80-2 connected to the connection chambers 141 and 142 are the same as those of the substrate processing system in the first embodiment shown in FIG.
- a V-shape is formed by a line connecting the centers of the two process chambers 24-1 and 24-2 and the center of the connecting chamber 141, and the process chambers 24-1 and 24-
- the substrate W is transferred (in / out) with respect to the substrate 2.
- a V-shape is formed by a line connecting the center of each of the process chambers 80-1 and 80-2 and the center of the connecting chamber 142, and the process chambers 80-1 and 80- are formed along the V-shaped line.
- the substrate W is transferred (in / out) with respect to the substrate 2.
- the substrate When transferring a substrate to the process chambers 23-1 and 23-2, the substrate is transferred via the transfer chamber 27.
- the substrate W When the substrate W is transferred to the process chambers 24-1 and 24-2, the substrate W is transferred via the first transfer chamber 27 and the connection chamber 141.
- the substrate W When the substrate W is transferred to the process chamber 80-1 or 80-2, the substrate W is transferred via the first transfer chamber 27, the connection chamber 141, and the connection chamber 142.
- a substrate transfer mechanism (not shown) is provided at a connection portion between the first transfer chamber 27 and the connection chamber 141 and a connection portion between the connection chamber 141 and the connection chamber 142, for example, a lifter that supports the substrate W is provided.
- the substrate When the substrate is transferred from the first transfer chamber 27 to the connection chamber 142, the substrate is temporarily held on the lifter of the connection portion by the vacuum transfer robot 56 in the first transfer chamber 27.
- the substrate W held on the lifter is connected to the two process chambers 24-1 and 24-2 or the connection chamber 142 connected to the connection chamber 141 via the connection chamber 141 by the vacuum transfer robot 143 in the connection chamber 141. It is conveyed on the same lifter provided in the connection part.
- the substrate W on the lifter is further transferred to the process chamber 80-1 or 80-2 connected to the connection chamber 142 by the vacuum transfer robot 144 via the connection chamber 142.
- the lifter may be provided with a lifter drive for raising and lowering the substrate W, and the substrate delivery mechanism may be a cassette that can accommodate a plurality of substrates W.
- a gate valve that separates the chambers may be provided in the connection portion. *
- the transfer chamber 27 is connected to the recess 25a of the loader module 22, the transfer height of the substrate W is higher than usual.
- the design of the process chamber is not changed so that the process chamber used in another system can be used.
- the footprint is reduced by at least a part of the load lock chambers 26-1 and 26-2 and a part of the transfer chamber 27.
- FIG. 30 shows a plan view of the substrate processing system in the fifth embodiment of the present invention. Also in this embodiment, the first transport unit 28 and the second transport unit 31 are provided. At least one first process chamber 23-1, 23-2 is connected to the first transfer chamber 27, and at least one second process chamber 24-1, 24-2 is connected to the second transfer chamber 30. The The first transfer chamber 27 of the first transfer unit 28 and the second load lock chamber 29-1 of the second transfer unit 31 overlap in the vertical direction. *
- first load lock chambers 26-1, 26-2, 150-1, 150-2 are provided, two on the loader module and two on the side of the loader module.
- the first load lock chambers 26-1 and 26-2 above the loader module 22 overlap the loader module 22 in the vertical direction, and the first load lock chambers 150-1 and 150-2 on the side surface of the loader module 22 are It does not overlap the loader module 22 in the vertical direction.
- the two first load lock chambers 150-1 and 150-2 on the side surface may further have, for example, a purge storage function.
- the purge storage is configured to hold a plurality of substrates W and remove residual gas on the substrates. *
- the first load lock chambers 26-1 and 26-2 and the transfer chamber 27 overlap the loader module 22 in the vertical direction, and the first transfer unit 28 and the second transfer unit 31. Since they overlap each other, the footprint can be reduced.
- the atmospheric transfer robot of the loader module 22 may transfer the entire cassette to the load lock chambers 150-1 and 150-2.
- the vacuum transfer robot 56 provided in the first transfer chamber 27 takes out the substrates W one by one from the cassettes in the load lock chambers 150-1 and 150-2, and transfers them to the process chambers 23-1 and 23-2. You may do it.
- FIG. 31 and 32 show a substrate processing system according to the sixth embodiment of the present invention.
- FIG. 31 is a plan view of the substrate processing system
- FIG. 32 is a vertical sectional view.
- the two vacuum transfer units are not stacked in the vertical direction, but the two atmospheric transfer units are stacked in the vertical direction.
- the loader module 102 is provided with a plurality of ports 103 capable of arranging a plurality of cassettes in a horizontal row.
- the atmospheric transfer chamber 104 is elongated in the arrangement direction (Y direction) of the plurality of ports 103.
- the atmospheric transfer chamber 104 is provided with an atmospheric transfer robot 106 that takes out the substrate W in the cassette set in the port 103.
- the atmospheric transfer robot 106 has a Z-axis. Two atmospheric transfer robots 106 are provided on both sides in the longitudinal direction (Y direction) from the center of the atmospheric transfer chamber 25. *
- the loader module 102 is connected to at least one of the first atmospheric transfer units 107 from the loader module 102 to the first process chamber unit 112, for example, for performing processing.
- the first atmospheric transfer unit 107 extends in a direction (X direction) orthogonal to the longitudinal direction (Y direction) of the loader module 102.
- the first atmospheric transfer unit 107 is provided with a first atmospheric transfer robot 121 that transfers the substrate W transferred by the atmospheric transfer robot 106 in the loader module 102 to the first process chamber unit 112. Since the first atmospheric transfer unit 107 and the loader module 102 both transfer the substrate W to the atmosphere, a gate valve is not provided at these connecting portions.
- an orienter 105 for recognizing the notch of the substrate and aligning the substrate is provided. *
- a first process chamber unit 112 is connected to the first atmospheric transfer unit 107.
- Each first process chamber unit 112 includes a first load lock chamber 110 in which the substrate W is transferred by the first atmospheric transfer robot 121, and a first process chamber 111 for processing the substrate W.
- the first load lock chamber 110 is a small chamber in which evacuation and return to atmospheric pressure are repeatedly performed.
- the first load lock chamber 110 and the first atmospheric transfer unit 107 are connected via a gate valve 123.
- the first load lock chamber 110 is provided with a first vacuum transfer robot 124. *
- the first process chamber 111 is connected to the first load lock chamber 110 through a gate valve 125.
- the first process chamber 111 executes at least one process selected from the group of film formation, etching, ashing, oxidation, nitridation, doping, diffusion, and the like, or a plurality of processes selected from these groups and combined. Configured as follows. A line connecting the center of the first load lock chamber 110 and the center of the first process chamber 111 intersects with the longitudinal direction (Y direction) of the loader module 102 at an acute angle.
- the two first process chamber units 112 are connected to the first atmospheric transfer unit 107 so as to form a V shape. Then, the substrate is transferred (in / out) to the first process chamber 111 along the V-shaped line.
- the operations of the first atmospheric transfer robot 121 and the first vacuum transfer robot 124 are as follows.
- the atmospheric transfer robot 106 of the loader module 102 takes out the unprocessed substrate from the cassette 109 on the port 103 and places it on the orienter 105.
- the substrate aligned by the orienter is transferred again by the atmospheric transfer robot 106 to the first substrate transfer mechanism (not shown) provided near the loader module 102 of the first atmospheric transfer unit 107.
- the first atmospheric transfer robot 121 receives the substrate from the first substrate transfer mechanism and transfers it to the first load lock chamber 110. Thereafter, the gate valve 123 on the first atmospheric transfer unit 107 side of the first load lock chamber 110 is closed, and the first load lock chamber 110 is evacuated.
- the gate valve 125 on the first process chamber 111 side is opened, and the first load lock chamber 110 and the first process chamber 111 communicate with each other.
- the first vacuum transfer robot 124 takes out an unprocessed substrate from the first load lock chamber 110 and carries it into the first process chamber 111.
- the first vacuum transfer robot 124 takes out the processed substrate W from the first process chamber 111, and carries the taken-out substrate W into the first load lock chamber 110.
- the gate valve 125 on the first process chamber 111 side is closed, the first load lock chamber 124 is returned to atmospheric pressure, and the gate valve 123 on the first atmospheric transfer unit 107 side is opened.
- the first atmospheric transfer robot 121 takes out the processed substrate from the first load lock chamber 110 and passes it to the atmospheric transfer robot 106 via the first substrate transfer mechanism.
- the atmospheric transfer robot 106 returns the processed substrate W to the cassette 109 above the port 103.
- the second atmospheric transfer unit 108 is connected to the loader module 102 and extends in a direction (X direction) orthogonal to the longitudinal direction (Y direction) of the loader module 102.
- the first atmospheric transfer unit 107 and the second atmospheric transfer unit 108 partially overlap in the vertical direction.
- the length of the second atmospheric transfer unit 108 is longer than the length of the first atmospheric transfer unit 107.
- the second atmospheric transfer unit 108 transfers the substrate W received from the atmospheric transfer robot 106 to the second process chamber unit 115, and transfers the substrate W unloaded from the second process chamber unit 115 to the atmospheric transfer robot 106.
- the atmospheric transfer robot 131 is provided. Since the second atmospheric transfer unit 108 and the loader module 102 both transfer the substrate W to the atmosphere, no gate valve is provided at these connecting portions.
- a second process chamber unit 115 is connected to the second atmospheric transfer unit 108.
- the second process chamber unit 115 includes a second load lock chamber 113 in which a substrate is transferred by the second atmospheric transfer robot 131 and a second process chamber 114 for processing the substrate W.
- the second load lock chamber 113 is a small chamber in which evacuation and return to atmospheric pressure are repeatedly performed.
- the second load lock chamber 113 and the second atmospheric transfer unit 108 are connected via a gate valve 132.
- the second load lock chamber 113 is provided with a second vacuum transfer robot 134. *
- a second process chamber 114 is connected to the second load lock chamber 113 via a gate valve 133.
- the second process chamber 114 executes at least one process selected from the group of film formation, etching, ashing, oxidation, nitridation, doping, diffusion, and the like, or a plurality of processes selected from these groups and combined. Configured as follows. A line connecting the center of the second load lock chamber 113 and the center of the second process chamber 114 intersects with the longitudinal direction (Y direction) of the loader module 102 at an acute angle.
- the two second process chamber units 115 are connected to the second atmospheric transfer unit so as to form a V shape. Then, the substrate is transferred (in / out) to / from the second process chamber 114 along the V-shaped line.
- the first process chamber unit 112 and the second process chamber unit 115 do not overlap in the vertical direction and are arranged at positions separated from each other when viewed in plan. As shown in FIG. 32, the first process chamber 111 is positioned higher than the second process chamber 114, and the first process chamber 111 is placed on a table 128.
- the operations of the second atmospheric transfer robot 131 and the second vacuum transfer robot 134 are as follows.
- the atmospheric transfer robot 106 transfers an unprocessed substrate to a second substrate transfer mechanism (not shown) provided in the second atmospheric transfer unit 108 via a second substrate transfer mechanism (not shown)
- the second atmospheric transfer robot 131 is transferred to the substrate. Is transferred to the second load lock chamber 113.
- the gate valve 132 on the second atmospheric transfer unit 108 side of the second load lock chamber 113 is closed, and the second load lock chamber 113 is evacuated.
- the gate valve 133 on the second process chamber 114 side is opened, and the second load lock chamber 113 and the second process chamber 114 communicate with each other.
- the second vacuum transfer robot 134 takes out the substrate from the second load lock chamber 113 and transfers it to the second process chamber 114.
- the second vacuum transfer robot 134 takes out the processed substrate W from the second process chamber 114, and carries the taken-out substrate W into the second load lock chamber 113.
- the gate valve 133 on the second process chamber 114 side is closed, the second load lock chamber 113 is returned to atmospheric pressure, and the gate valve 132 on the second atmospheric transfer unit 108 side is opened.
- the second atmospheric transfer robot 131 takes out the processed substrate from the second load lock chamber 113 and transfers the taken out substrate W to the atmospheric transfer robot 106 via the second substrate transfer mechanism.
- the atmospheric transfer robot 106 returns the processed substrate to the cassette 109 above the port 103.
- the first atmospheric transfer unit 107 and the second atmospheric transfer unit 108 have a hierarchical structure, which is compared with the conventional multi-chamber type substrate processing system developed in a plane.
- the overall footprint of the substrate processing system is reduced.
- by providing a plurality of atmospheric transfer units 107 and 108 connected to the loader module it is possible to improve the throughput (the number of processed sheets per unit time).
- FIG. 33 shows a substrate processing system in the seventh embodiment.
- a part of the first load lock chamber 110 of the first process chamber unit 112 overlaps the loader module 102 in the vertical direction. Since the structures of the first load lock chamber 110 and the first process chamber unit 112 are almost the same as those of the substrate processing system in the sixth embodiment, the same reference numerals are given and description thereof is omitted.
- the atmospheric transfer robot 106 transfers the substrate directly to the first load lock chamber 110. Thereafter, the gate valve 123 on the first atmospheric transfer unit 107 side of the first load lock chamber 110 is closed, and the first load lock chamber 110 is evacuated. When the first load lock chamber 110 is in a vacuum state, the gate valve on the first process chamber 111 side is opened, and the first load lock chamber 110 and the first process chamber 111 communicate with each other. The first vacuum transfer robot 124 in the first load lock chamber 110 takes out the unprocessed substrate W from the first load lock chamber 110 and transfers the taken out unprocessed substrate to the first process chamber 111.
- the loader module 102 is provided with a second atmospheric transfer unit 108 that reaches the second process chamber unit 115 for processing.
- a second process chamber unit 115 is connected to the second atmospheric transfer unit 108.
- the second process chamber unit 115 includes a second load lock chamber 113 and a second process chamber 114. Since the configurations of the second atmospheric transfer unit 108, the second load lock chamber 113, and the second process chamber 114 are the same as those in the sixth embodiment, the same reference numerals are given and description thereof is omitted.
- the first process chamber 111 can be disposed close to the loader module 102.
- the second process chamber 114 can also be arranged close to the loader module 102. Therefore, the footprint can be reduced as compared with the sixth embodiment.
- the present invention is not limited to the above-described embodiments, and can be embodied in various embodiments without departing from the gist of the present invention.
- the substrate processing system is not limited to a semiconductor device manufacturing apparatus, but can also be applied to an FPD, organic EL, and solar cell manufacturing apparatus.
- the entire first load lock chamber and a part of the first transfer chamber overlap the loader module in the vertical direction, but at least a part of the first load lock chamber and / or at least the second transfer chamber It is only necessary that a part of the loader module overlaps the vertical direction.
- the loader module is disposed on the floor surface, but may be disposed near the ceiling surface.
- the lower part of the loader module may be used as a space for arranging the process chamber.
- the loader module may be installed on the upper floor of the factory, and the first and second transfer units and the first and second process chambers may be disposed on the lower floor of the factory.
- the number of process chambers by connection is not limited, and any number of process chambers can be connected to the loader module.
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Abstract
Description
[実施形態1]
図3は、本発明の第1の実施形態における基板処理システムの構成(主に前面側のシステム構成)を示す。この基板処理システムは、複数のカセット(図示せず)を水平方向に並べて配置可能な複数たとえば6つのポート21-1~21-6が設けられる細長い直方体形状のローダーモジュール22と、複数たとえば4つのプロセスチャンバ23-1,23-2,24-1,24-2とを備える。
[実施形態2]
[実施形態3]
[実施形態4]
[実施形態5]
[実施形態6]
[実施形態7]
22…ローダーモジュール
23-1,23-2…第1のプロセスチャンバ
24-1,24-2…第2のプロセスチャンバ
25…大気搬送室
26-1,26-2…第1のロードロックチャンバ
27…第1のトランスファーチャンバ
28…第1の搬送ユニット
29-1,29-2…第2のロードロックチャンバ
30…第2のトランスファーチャンバ
31…第2の搬送ユニット
42…台
56…第1の真空搬送ロボット
58…第2の真空搬送ロボット
60-1,60-2…大気搬送ロボット
61…オリエンタ
78…カセット
80-1,80-2…第3のプロセスチャンバ
81…第3のロードロックチャンバ
82…第3のトランスファーチャンバ
83…第3の搬送ユニット
84…第3の真空搬送ロボット
95…ダミーストレージ
96…連結チャンバ
97…検査装置
98…ダミーストレージ
Claims (42)
- 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールと基板を処理するための少なくとも一つの第1のプロセスチャンバとの間で基板を搬送するための第1の搬送ユニットと、
前記第1の搬送ユニットとは高さの異なる位置に設けられ、前記ローダーモジュールと基板を処理するための少なくとも一つの第2のプロセスチャンバと、
の間で基板を搬送するための第2の搬送ユニットと、
を備え、
前記第1の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第1のロードロックチャンバ、及び前記第1のロードロックチャンバに搬送された基板を前記少なくとも一つの第1のプロセスチャンバに搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバを含み、
前記第2の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、及び前記第2のロードロックチャンバに搬送された基板を前記少なくとも一つの第2のプロセスチャンバに搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含み、
前記少なくとも一つの第1のプロセスチャンバと前記少なくとも一つの第2のプロセスチャンバとは、上下方向に重なることなく、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部とが、上下方向に重なる、
基板処理システム。 - 前記第1のロードロックチャンバの少なくとも一部が、前記ローダーモジュールに上下方向に重なる、請求項1に記載の基板処理システム。
- 前記第1のロードロックチャンバの少なくとも一部及び前記第1のトランスファーチャンバの一部が、前記ローダーモジュールに上下方向に重なる、請求2に記載の基板処理システム。
- 前記第1の搬送ユニットの前記第1のトランスファーチャンバと前記第2の搬送ユニットの前記第2のロードロックチャンバとが上下方向に重なる、請求項3に記載の基板処理システム。
- 前記トランスファーチャンバの一部が前記ローダーモジュールの上に配置されたとき、前記トランスファーチャンバの重量が前記ローダーモジュールにかからないように、前記トランスファーチャンバを支持する支持部材が設けられる、請求項3に記載の基板処理システム。
- 前記ローダーモジュールは、平面的に見たとき、横一列に配置される前記複数のポートの配列方向に細長く延びると共に、前記大気搬送ロボットが設けられる大気搬送室を備え、
平面的に見たとき、前記少なくとも一つの第1のプロセスチャンバの中心と前記第1のトランスファーチャンバの中心とを結ぶ線は、その延長上で、前記複数のポートの配列方向に鋭角で交差し、
前記少なくとも一つの第2のプロセスチャンバの中心と前記第2のトランスファーチャンバの中心とを結ぶ線は、その延長上で、前記複数のポートの配列方向に鋭角で交差する、
請求項1に記載の基板処理システム。 - 前記第1のトランスファーチャンバには、2つの第1のプロセスチャンバが連結され、
前記第2のトランスファーチャンバには、2つの第2のプロセスチャンバが連結され、
平面的に見たとき、前記2つの第1のプロセスチャンバの中心と前記第1のトランスファーチャンバの中心とを結んだ線によってV字形状が形成され、
前記2つの第2のプロセスチャンバの中心と前記第2のトランスファーチャンバの中心とを結んだ線によってV字形状が形成される、
請求項6に記載の基板処理システム。 - 前記2つの第1のプロセスチャンバは、それらの中心と前記第1のトランスファーチャンバの中心とを結ぶ線の向きに配置され、
前記2つの第2のプロセスチャンバは、それらの中心と前記第2のトランスファーチャンバの中心とを結ぶ線の向きに配置される、
請求項7に記載の基板処理システム。 - 前記第1のプロセスチャンバの中心と前記第1のトランスファーチャンバの中心とを結ぶ線に沿って前記第1のプロセスチャンバに対する基板の出し入れが行われ、
前記第2のプロセスチャンバの中心と前記第2のトランスファーチャンバの中心とを結ぶ線に沿って前記第2のプロセスチャンバに対する基板の出し入れが行われる、
請求項8に記載の基板処理システム - 前記2つの第1のプロセスチャンバは、前記2つの第2のプロセスチャンバよりも前記ローダーモジュールの近い方に配置され、
前記第2の搬送ユニットは、前記2つの第1のプロセスチャンバの間のスペースを通って配置される、
請求項7に記載の基板処理システム。 - 前記ローダーモジュールには、前記大気搬送ロボットが2台設けられる、請求項1に記載の基板処理システム。
- 前記ローダーモジュールは、平面的に見たとき、横一列に配置される前記複数のポートの配列方向に細長く延びる大気搬送室を備え、
前記大気搬送室の長手方向の中央には、基板のアライメントを行うオリエンタが設けられ、
前記大気搬送室の長手方向で中央の両側には、前記2台の大気搬送ロボットが配置され、
前記2台の大気搬送ロボットのそれぞれは、前記オリエンタ、前記第1のロードロックチャンバおよび前記第2のロードロックチャンバにアクセスできる、
請求項11に記載の基板処理システム。 - 第1のロードロックチャンバおよび第2のロードロックチャンバは、それぞれ2つ設けられる、請求項12に記載の基板処理システム。
- 前記オリエンタから前記第1の搬送ユニットを経由して前記少なくとも一つの第1のプロセスチャンバに至る基板の搬送経路長さが、前記2つの第1のロードロックチャンバのいずれを経由しても同じ長さになり、
前記オリエンタから前記第2の搬送ユニットを経由して前記少なくとも一つの第2のプロセスチャンバに至る基板の搬送経路長さが、前記2つの第2のロードロックチャンバのいずれを経由しても実質的に同じ長さになる、
請求項13に記載の基板処理システム。 - 前記第1のトランスファーチャンバおよび前記第2のトランスファーチャンバの少なくとも一方には、基板を検査する検査装置および基板を収容するストレージの少なくとも一方が連結される、請求項1に記載の基板処理システム。
- 前記少なくとも一つの第1のプロセスチャンバは、前記少なくとも一つの第2のプロセスチャンバよりも前記ローダーモジュールに近い位置に配置され、
前記第1の搬送ユニットは、前記第2の搬送ユニットよりも上方に配置される、
請求項1に記載の基板処理システム。 - 前記少なくとも一つの第1のプロセスチャンバが据え付けられる据付面の高さが、前記少なくとも一つの第2のプロセスチャンバが据え付けられる据付面の高さよりも高くなるように、前記少なくとも一つの第1のプロセスチャンバが台上に据え付けられる、請求項16に記載の基板処理システム。
- 前記少なくとも一つの第1のプロセスチャンバおよび前記少なくとも一つの第2のプロセスチャンバの少なくとも一方の上部には、ガス供給系および高周波電力供給手段の少なくとも一方が設けられ、
その下部には、チャンバ内を真空排気する排気手段が設けられる、
請求項1に記載の基板処理システム。 - 前記ローダーモジュールは、平面的に見たとき、横一列に配置される前記複数のポートの配列方向に細長く延びると共に、前記大気搬送ロボットが設けられる大気搬送室を備え、
前記第1および前記第2の搬送ユニットは、前記複数のポートの配列方向に細長く延びる前記大気搬送室に連結される、
請求項1に記載の基板処理システム。 - 前記ローダーモジュールは、長手方向の中央部で2分割可能に構成される、請求項19に記載の基板処理システム。
- 前記第1および前記第2の搬送ユニットとは高さの異なる位置に設けられ、前記ローダーモジュールから処理を行うための第3のプロセスチャンバに至り、基板を搬送するための少なくとも一つの第3の搬送ユニットを更に備え、
前記第3の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第3のロードロックチャンバ、および前記第3のロードロックチャンバに搬送された基板を前記少なくとも一つの第3のプロセスチャンバに搬送する第3の真空搬送ロボットが設けられる第3のトランスファーチャンバを含み、
前記少なくとも一つの第3のプロセスチャンバは、前記少なくとも一つの第1のプロセスチャンバおよび前記少なくとも一つの第2のプロセスチャンバに対して、上下方向に重なることなく、
前記第1の搬送ユニットの少なくとも一部、前記第2の搬送ユニットの少なくとも一部、および前記第3の搬送ユニットの少なくとも一部が、上下方向に重なる、
請求項1に記載の基板処理システム。 - 前記少なくとも一つの第3のプロセスチャンバは、前記少なくとも一つの第1のプロセスチャンバおよび前記少なくとも一つの第2のプロセスチャンバよりも前記ローダーモジュールから遠い方に配置され、
前記第3の搬送ユニットの前記第3のロードロックチャンバは、前記ローダーモジュールから前記第3のトランスファーチャンバに向かって細長く延び、
前記第3のロードロックチャンバには、基板をその長手方向に直線運動させる移動機構が設けられる、
請求項20に記載の基板処理システム。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールと基板を処理するための少なくとも一つの第1のプロセスチャンバとの間で基板を搬送するための第1の搬送ユニットと、
を備え、
前記第1の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第1のロードロックチャンバ、および前記第1のロードロックチャンバに搬送された基板を前記少なくとも一つの第1のプロセスチャンバに搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバを含み、
前記ローダーモジュールには、前記第1の搬送ユニットとは高さの異なる位置に、前記ローダーモジュールと基板を処理するための少なくとも一つの第2のプロセスチャンバとの間で基板を搬送するための第2の搬送ユニットを連結可能な連結ポートが設けられ、
前記第2の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、および第2のロードロックチャンバに搬送された基板を前記少なくとも一つの第2のプロセスチャンバに搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含み、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部とが、上下方向に重なることが可能であり、
少なくとも一つの前記第1のプロセスチャンバと少なくとも一つの前記第2のプロセスチャンバとは、上下方向に重ならないように配置可能である、
基板処理システム。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールと基板を処理するための少なくとも一つの第1のプロセスチャンバとの間で基板を搬送するための第1の搬送ユニットと、
前記第1の搬送ユニットとは高さの異なる位置に設けられ、前記ローダーモジュールと基板を処理するための少なくとも一つの第2のプロセスチャンバとの間で基板を搬送するための第2の搬送ユニットと、
を備え、
前記第1の搬送ユニットは、連通可能に設けられた第1のロードロックチャンバおよび第1のトランスファーチャンバを含み、
前記第2の搬送ユニットは、連通可能に設けられた第2のロードロックチャンバおよび第2のトランスファーチャンバを含み、
前記少なくとも一つの第1のプロセスチャンバと前記少なくとも一つの第2のプロセスチャンバとは、上下方向に重なることなく、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部とが、上下方向に重なる、
基板処理システム。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送されるロードロックチャンバと、
前記ロードロックチャンバに搬送された基板を、処理を行うための少なくとも一つの第1のプロセスチャンバに搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバと、
前記第1のトランスファーチャンバに連結される真空の連結チャンバと、
前記連結チャンバに連結され、前記第1の真空搬送ロボットによって前記連結チャンバに搬送される基板を、処理を行うための少なくとも一つの第2のプロセスチャンバに搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバと、
を備え、
前記第1のトランスファーチャンバと前記第2のトランスファーチャンバは上下方向に高さの異なる位置に設けられ、連結チャンバ内に設けられた基板昇降機構により基板を相互に受け渡し可能とし、
前記少なくとも一つの第1のプロセスチャンバと前記少なくとも一つの第2のプロセスチャンバとは、上下方向に重なることがない、
基板処理システム。 - 前記第1のトランスファーチャンバおよび前記第2のトランスファーチャンバの少なくとも一方には、基板を検査する検査装置およびダミー基板を収容するダミーストレージの少なくとも一方が連結される、請求項25に記載の基板処理システム。
- 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送されるロードロックチャンバと、
前記ロードロックチャンバに搬送された基板を、処理を行うための少なくとも一つのプロセスチャンバに搬送する真空搬送ロボットが設けられるトランスファーチャンバと、
を備え、
前記ロードロックチャンバまたは前記トランスファーチャンバの少なくとも一部が、前記ローダーモジュールに上下方向に重なる、
基板処理システム。 - 前記少なくとも一つのプロセスチャンバが、少なくとも一つの第1のプロセスチャンバであり、
前記ロードロックチャンバが、第1のロードロックチャンバであり、
前記真空搬送ロボットが、第1の真空搬送ロボットであり、
前記トランスファーチャンバが、第1のトランスファーチャンバであり、
前記基板処理システムは、
前記ローダーモジュールと基板を処理するための前記少なくとも一つの第1のプロセスチャンバとの間で基板を搬送するための第1の搬送ユニットと、
前記第1の搬送ユニットとは高さの異なる位置に設けられ、前記ローダーモジュールと基板を処理するための少なくとも一つの第2のプロセスチャンバと、
の間で基板を搬送するための第2の搬送ユニットと、
を備え、
前記第1の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される前記第1のロードロックチャンバ、および前記第1のロードロックチャンバに搬送された基板を前記少なくとも一つの第1のプロセスチャンバに搬送する前記第1の真空搬送ロボットが設けられる前記第1のトランスファーチャンバを含み、
前記第2の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、および前記第2のロードロックチャンバに搬送された基板を前記少なくとも一つの第2のプロセスチャンバに搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含み、
前記少なくとも一つの第1のプロセスチャンバと前記少なくとも一つの第2のプロセスチャンバとは、上下方向に重なることなく、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部とが、上下方向に重なる、
請求項27に記載の基板処理システム。 - 前記少なくとも一つのプロセスチャンバが、少なくとも一つの第1のプロセスチャンバであり、
前記真空搬送ロボットが、第1の真空搬送ロボットであり、
前記トランスファーチャンバが、第1のトランスファーチャンバであり、
前記基板処理システムは、
前記ロードロックチャンバに搬送された基板を、処理を行うための前記少なくとも一つの第1のプロセスチャンバに搬送する前記第1の真空搬送ロボットが設けられる前記第1のトランスファーチャンバと、
前記第1のトランスファーチャンバに連結される真空の連結チャンバと、
前記連結チャンバに連結され、前記第1の真空搬送ロボットによって前記連結チャンバに搬送される基板を、処理を行うための少なくとも一つの第2のプロセスチャンバに搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバと、
を備え、
前記第1のトランスファーチャンバと前記第2のトランスファーチャンバは上下方向に高さの異なる位置に設けられ、連結チャンバ内に設けられた基板昇降機構により基板を相互に受け渡し可能とし、
前記少なくとも一つの第1のプロセスチャンバと前記少なくとも一つの第2のプロセスチャンバとは、上下方向に重なることがない、
請求項27に記載の基板処理システム。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送される第1のロードロックチャンバ、および前記第1のロードロックチャンバに連結され、前記第1のロードロックチャンバに搬送された基板を搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバを含む第1の搬送ユニットと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、および前記第2のロードロックチャンバに連結され、前記第2のロードロックチャンバに搬送された基板を搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含む第2の搬送ユニットと、
を備え、
前記第1の搬送ユニット及び前記第2の搬送ユニットは、互いに高さの異なる位置に設けられ、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部が上下方向に重なり、
前記第2のトランスファーチャンバが、前記第1のトランスファーチャンバよりも前記ローダーモジュールから離れた位置に配置される、
搬送モジュール。 - 前記第1のロードロックチャンバの少なくとも一部が、前記ローダーモジュールに上下方向に重なる、請求項30に記載の搬送モジュール。
- 前記第1の搬送ユニットの前記第1のトランスファーチャンバと前記第2の搬送ユニットの前記第2のロードロックチャンバとが上下方向に重なる、請求項31に記載の搬送モジュール。
- 前記ローダーモジュールには、前記大気搬送ロボットが2台設けられる、請求項30に記載の搬送モジュール。
- 前記ローダーモジュールは、平面的に見たとき、横一列に配置される前記複数のポートの配列方向に細長く延びると共に、前記大気搬送ロボットが設けられる大気搬送室を備え、
前記第1および前記第2の搬送ユニットは、前記複数のポートの配列方向に細長く延びる前記大気搬送室に連結される、
請求項30に記載の搬送モジュール。 - 前記搬送モジュールはさらに、前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送される第3のロードロックチャンバ、および前記第3のロードロックチャンバに連結され、前記第3のロードロックチャンバに搬送された基板を搬送する第3の真空搬送ロボットが設けられる第3のトランスファーチャンバを含む第3の搬送ユニットを備え、
前記第3の搬送ユニットは、前記第1の搬送ユニットおよび前記第2の搬送ユニットとは高さの異なる位置に設けられ、
前記第1の搬送ユニットの少なくとも一部、前記第2の搬送ユニットの少なくとも一部、および前記第3の搬送ユニットの少なくとも一部が、上下方向に重なり、
前記第3の搬送ユニットの前記第3のトランスファーチャンバが、前記第1の搬送ユニットの前記第1のトランスファーチャンバおよび前記第2の搬送ユニットの前記第2のトランスファーチャンバよりも前記ローダーモジュールから離れた位置に配置される、
請求項30に記載の搬送モジュール。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送される第1のロードロックチャンバ、および前記第1のロードロックチャンバに連結され、前記第1のロードロックチャンバに搬送された基板を搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバを含む第1の搬送ユニットと、
を備え、
前記ローダーモジュールには、前記第1の搬送ユニットとは高さの異なる位置に、基板を搬送するための第2の搬送ユニットを連結可能な連結ポートが設けられ、
前記第2の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、および前記第2のロードロックチャンバに連結され、前記第2のロードロックチャンバに搬送された基板を搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含み、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部が上下方向に重なることが可能であり、
前記第2のトランスファーチャンバは、前記第1のトランスファーチャンバよりも前記ローダーモジュールから離れた位置に配置可能である、
搬送モジュール。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送されるロードロックチャンバと、
前記ロードロックチャンバに搬送された基板を搬送する真空搬送ロボットが設けられるトランスファーチャンバと、
を備え、
前記ロードロックチャンバまたは前記トランスファーチャンバの少なくとも一部が、前記ローダーモジュールに上下方向に重なる、
搬送モジュール。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送される第1のロードロックチャンバ、および前記第1のロードロックチャンバに連結され、前記第1のロードロックチャンバに搬送された基板を搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバを含む第1の搬送ユニットと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、および前記第2のロードロックチャンバに連結され、前記第2のロードロックチャンバに搬送された基板を搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含む第2の搬送ユニットと、
を備え、
前記第1の搬送ユニットおよび前記第2の搬送ユニットは、互いに高さの異なる位置に設けられ、
前記第1の搬送ユニットの前記第1のトランスファーチャンバの少なくとも一部と前記第2の搬送ユニットの前記第2のロードロックチャンバの少なくとも一部が上下方向に重なり、
前記第2の搬送ユニットの前記第2のトランスファーチャンバは、前記第2の搬送ユニットの前記第1のトランスファーチャンバよりも前記ローダーモジュールから離れた位置に配置される、
搬送モジュール。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールに連結され、前記大気搬送ロボットによって基板が搬送される第1のロードロックチャンバ、及び前記第1のロードロックチャンバに搬送された基板を搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバを含む第1の搬送ユニットと、
を備え、
前記第1のロードロックチャンバまたは前記第1のトランスファーチャンバの少なくとも一部が、前記ローダーモジュールに上下方向に重なり、
前記ローダーモジュールには、前記第1の搬送ユニットとは高さの異なる位置に、基板を搬送するための第2の搬送ユニットを連結可能な連結ポートが設けられる
搬送モジュール。 - 前記第2の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、および前記第2のロードロックチャンバに連結され、前記第2のロードロックチャンバに搬送された基板を真空中で搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含み、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部が上下方向に重なることが可能であり、
前記第2の搬送ユニットの前記第2のトランスファーチャンバは、前記第1の搬送ユニットの前記第1のトランスファーチャンバよりも前記ローダーモジュールから離れた位置に配置可能である、
請求項39に記載の搬送モジュール。 - ローダーモジュール内の大気搬送ロボットが、ポートに配置されたカセット内の基板を第1のロードロックチャンバおよび第2のロードロックチャンバに搬送する大気搬送工程と、
前記第1のロードロックチャンバに連結される第1のトランスファーチャンバ内の第1の真空搬送ロボットが、前記第1のロードロックチャンバに搬送される基板を少なくとも一つの第1のプロセスチャンバに搬送する第1の真空搬送工程と、
前記第1の真空搬送工程と並行して行われ、前記第2のロードロックチャンバに連結される第2のトランスファーチャンバ内の第2の真空搬送ロボットが、前記第2のロードロックチャンバに搬送される基板を少なくとも一つの第2のプロセスチャンバに搬送する第2の真空搬送工程と、
を有し、
前記第1の真空搬送ロボットが前記第1のロードロックチャンバから前記第1のプロセスチャンバまで基板を搬送する第1の搬送ルート、および前記第2の真空搬送ロボットが前記第2のロードロックチャンバから前記第2のプロセスチャンバまで基板を搬送する第2の搬送ルートが、互いに高さの異なる位置に設けられ、
前記第1の搬送ルートの少なくとも一部と前記第2の搬送ルートの少なくとも一部とが、上下方向に重なり、
前記第2の搬送ルートは前記第1の搬送ルートよりも前記ローダーモジュールから離れた位置まで基板を搬送する、
基板処理方法。 - 複数のカセットを配置可能な複数のポートが設けられると共に、ポートに配置されたカセット内の基板を搬送する大気搬送ロボットが設けられるローダーモジュールと、
前記ローダーモジュールと基板を処理するための少なくとも一つの第1のプロセスチャンバとの間で基板を搬送するための第1の搬送ユニットと、
前記第1の搬送ユニットとは高さの異なる位置に設けられ、前記ローダーモジュールと基板を処理するための少なくとも一つの第2のプロセスチャンバとの間で基板を搬送するための第2の搬送ユニットと、
を備え、
前記第1の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第1のロードロックチャンバ、および前記第1のロードロックチャンバに搬送された基板を前記少なくとも一つの第1のプロセスチャンバに搬送する第1の真空搬送ロボットが設けられる第1のトランスファーチャンバを含み、
前記第2の搬送ユニットは、前記大気搬送ロボットによって基板が搬送される第2のロードロックチャンバ、及び前記第2のロードロックチャンバに搬送された基板を前記少なくとも一つの第2のプロセスチャンバに搬送する第2の真空搬送ロボットが設けられる第2のトランスファーチャンバを含み、
前記少なくとも一つの第1のプロセスチャンバと前記少なくとも一つの第2のプロセスチャンバとは、上下方向に重なることなく、
前記第1の搬送ユニットの少なくとも一部と前記第2の搬送ユニットの少なくとも一部とが、上下方向に重なる基板処理システム、
を用いた半導体素子の製造方法。
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KR101331288B1 (ko) | 2013-11-20 |
KR20130041308A (ko) | 2013-04-24 |
JPWO2012017653A1 (ja) | 2013-10-03 |
US20130202387A1 (en) | 2013-08-08 |
TWI524458B (zh) | 2016-03-01 |
US9312153B2 (en) | 2016-04-12 |
CN103155133A (zh) | 2013-06-12 |
TW201225201A (en) | 2012-06-16 |
JP5503006B2 (ja) | 2014-05-28 |
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