WO2018084214A1 - 真空処理装置 - Google Patents
真空処理装置 Download PDFInfo
- Publication number
- WO2018084214A1 WO2018084214A1 PCT/JP2017/039629 JP2017039629W WO2018084214A1 WO 2018084214 A1 WO2018084214 A1 WO 2018084214A1 JP 2017039629 W JP2017039629 W JP 2017039629W WO 2018084214 A1 WO2018084214 A1 WO 2018084214A1
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- WIPO (PCT)
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- substrate holding
- vacuum
- holding device
- processing
- processing apparatus
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/568—Transferring the substrates through a series of coating stations
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/50—Substrate holders
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/67005—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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/67703—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
- H01L21/67706—Mechanical details, e.g. roller, belt
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/67703—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
- H01L21/67736—Loading to or unloading from a conveyor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/67748—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 horizontal transfer of a single workpiece
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/6776—Continuous loading and unloading into and out of a processing chamber, e.g. transporting belts within processing chambers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/683—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 supporting or gripping
- H01L21/687—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68742—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a lifting arrangement, e.g. lift pins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L21/683—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 supporting or gripping
- H01L21/687—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68792—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the construction of the shaft
Definitions
- the present invention relates to the technical field of vacuum equipment, and more particularly, to a vacuum equipment for moving an object to be processed in an air atmosphere and a vacuum atmosphere.
- a vacuum processing apparatus that performs a process such as film formation while placing a plurality of substrates to be processed on a substrate holder such as a tray and passing the substrate is known.
- the processing surface of the substrate to be processed is kept horizontal from the loading position to the unloading position, and passes through each process while moving on the annular conveyance path configured in the horizontal plane. It has become.
- the processing area and the incidental facilities are all sized so as to completely cover the tray surface area. As a result, it has become a major obstacle in reducing the installation space including the problems described above.
- the present invention has been made in view of the above-described problems of the conventional technique, and an object of the present invention is to provide a technique capable of sufficiently saving space in a passing-type vacuum processing apparatus. There is.
- the present invention provides a substrate holding device in which an object to be processed is arranged with its processing surface exposed, a vacuum chamber in which the substrate holding device is carried in and out, and the substrate arranged on a lifting plate.
- An elevating device that moves the holding device up and down in the vacuum chamber, an upper moving device that moves the substrate holding device laterally on the upper side in the vacuum chamber, and the substrate holding on the lower side in the vacuum chamber
- a lower-side moving device that moves the device in the lateral direction, the lifting plate, and a delivery device that delivers the substrate holding device between the upper-side moving device and the lower-side moving device,
- the processing object placed on the substrate holding device moved by the side moving device is subjected to vacuum processing by the upper side processing device, and the processing subject placed on the substrate holding device moved by the lower side moving device Things are below
- a vacuum processing apparatus is a vacuum processing by side processor.
- an opening provided in the vacuum chamber and a lid member that covers the opening and forms a loading / unloading chamber are provided above the range in which the elevating plate moves up and down, and is disposed in the substrate holding device.
- the opening is a vacuum processing apparatus that is closed by the lid member.
- the present invention is a vacuum processing apparatus provided with an evacuation apparatus for evacuating the carry-in / out chamber.
- the present invention is a vacuum processing apparatus provided with a vertical transfer device for transferring the substrate holding device between the upper moving device and the lower moving device.
- the substrate holding device is provided with a pin
- the delivery device is a vacuum processing device having a hook engageable with the pin.
- the present invention is the vacuum processing apparatus, wherein the hook is released to engage with the pin by moving either upward or downward.
- the delivery device includes an upper delivery device that delivers the substrate holding device between the elevation plate and the upper movement device, and the substrate between the elevation plate and the lower movement device. And a lower delivery device that delivers the holding device.
- the installation area of the vacuum processing apparatus can be reduced.
- the loading / unloading chamber can be formed by airtightly covering the opening with the lifting plate, and the width in the height direction of the loading / unloading chamber can be shortened, so that the capacity can be reduced and the time required for loading / unloading Can be shortened.
- FIG. 7 for explaining the vacuum processing apparatus of the present invention
- Reference numeral 10 in FIG. 5 is a vacuum processing apparatus that performs vacuum processing on a processing object, and includes a vacuum chamber 12, and the vacuum chamber 12 is provided with a lifting device 16.
- a region in which the vacuum processing target object is vacuum processed is referred to as a processing region 12 a, and a region in which the processing target is moved up and down by the lifting device 16 is referred to as a lifting region 12 b.
- region 12b are mutually connected and are made into the vacuum atmosphere of the same pressure.
- the lifting device 16 includes a lifting shaft 14 and a lifting plate 15 provided at the upper end of the lifting shaft 14.
- An elevating hole 17 is provided in the bottom surface of the vacuum chamber 12 located below the elevating region 12b.
- the elevating plate 15 is vertically inserted into the elevating hole 17 so that the elevating plate 15 is located in the elevating region 12b in the vacuum chamber 12, and the lower part of the elevating shaft 14 is located below the elevating region 12b. Yes.
- a lifting force generating device 21 is disposed outside the vacuum chamber 12 below the lifting region 12b, and a lower portion of the lifting shaft 14 is fixed to a base plate 22 provided at the upper end of the lifting force generating device 21. Yes.
- a bellows 23 disposed so as to surround the elevating hole 17 and the elevating shaft 14 in a portion around the elevating hole 17 on the surface opposite to the inside of the bottom surface of the vacuum chamber 12, that is, the surface on the outer side of the bottom surface.
- the lower end of the bellows 23 is airtightly fixed to a portion of the base plate 22 around the position where the lower portion of the lifting shaft 14 is fixed.
- the lifting force generating device 21 is connected to the control device 25, and the operation of the lifting force generating device 21 is controlled by the control device 25.
- the lifting force generating device 21 operates while being controlled to generate an upward movement force
- the base plate 22 moves upward while the bellows 23 is shortened.
- the lifting plate 15 together with the lifting shaft 14 is vacuumed. It moves upward in the tank 12. During the movement, the airtightness of the vacuum chamber 12 is maintained.
- the lifting force generating device 21 when the lifting force generating device 21 is controlled to generate a downward moving force, the base plate 22 moves downward while the bellows 23 is extended, and the lifting plate 15 is moved together with the lifting shaft 14 to the vacuum chamber. It moves downward within 12. The airtightness of the vacuum chamber 12 is maintained during the movement.
- An opening 26 is provided in a portion of the ceiling of the vacuum chamber 12 above the elevating region 12b and intersecting with an extension line in the moving direction of the elevating plate 15.
- An inner sealing ring 29 is provided on the outer peripheral portion of the surface directed upward of the lifting plate 15, and the substrate holding device 27 is arranged on the lifting plate 15 inside the inner sealing ring 29.
- an O-ring is used for the inner sealing ring 29.
- a plate-like lid portion 31 is disposed above the opening 26.
- the lid 31 is disposed outside the vacuum chamber 12 and is attached to a pressing device 33 connected to the control device 25.
- the pressing device 33 moves the lid 31 vertically downward under the control of the control device 25. Or move vertically upward.
- Reference numeral 52 denotes a guide when the lid portion 31 moves.
- An external sealing ring 32 is disposed on the bottom surface of the lid portion 31 that faces vertically downward.
- the vacuum chamber 12 is connected to the main vacuum evacuation device 34.
- the lid 31 is pressed by the pressing device 33 so that the external sealing ring 32 provided on the lid 31 is It is moved so as to contact the ceiling portion of the vacuum chamber 12 so as to surround the opening 26, and the lid 31 is pressed against the ceiling of the vacuum chamber 12 by the pressing device 33, and the external sealing ring 32 is The portion around the opening 26 and the lid portion 31 are in close contact with each other.
- the opening 26 is hermetically covered by the lid 31 and the vacuum chamber 12 is sealed.
- the main vacuum exhaust device 34 is operated, the inside of the vacuum chamber 12 is evacuated, and the vacuum chamber 12 A vacuum atmosphere is formed inside 12.
- the lifting force generator 21 When a vacuum atmosphere is formed inside the vacuum chamber 12, the lifting force generator 21 operates while the vacuum chamber 12 is evacuated by the main vacuum exhaust device 34, and the lifting plate 15 carries the substrate holding device 27. When the substrate is moved upward in the state, the substrate holding device 27 enters the inside of the opening 26 and the internal sealing ring 29 contacts the ceiling of the vacuum chamber 12 as shown in FIG.
- the inside of the loading / unloading chamber 30 in this state is in a vacuum atmosphere, and gas such as the atmosphere is introduced into the loading / unloading chamber 30 from a gas introduction device or the like connected to the lid portion 31, and the inside of the loading / unloading chamber 30 is at atmospheric pressure. Then, when the lid portion 31 is moved upward, the carry-in / out chamber 30 is opened to the atmosphere as shown in FIG.
- the opening 26 is sealed by the elevating plate 15, the main vacuum exhaust device 34 is operating, and the inside of the vacuum chamber 12 is maintained in a vacuum atmosphere.
- the substrate 11 is disposed in the substrate holding device 27, and when the carry-in / out chamber 30 is opened to the atmosphere, the substrate holding device 27 and the processing disposed in the substrate holding device 27 are arranged. The object 11 is exposed to the air atmosphere.
- the processing object 11 on the substrate holding device 27 exposed to the air atmosphere is moved from the substrate holding device 27 to another device by a substrate transfer robot or the like arranged outside the vacuum chamber 12, and an unprocessed processing target is processed.
- the object 11 is placed on the substrate holding device 27.
- the lid portion 31 When the lid portion 31 is lowered, the outer sealing ring 32 is brought into contact with the periphery of the opening 26, and the opening 26 is airtightly covered by the lid portion 31, the internal atmosphere of the vacuum chamber 12 is changed to the outer sealing ring 32 and the inner sealing ring. 29 is hermetically sealed, and the carry-in / out chamber 30 is formed by the lid portion 31, the opening 26 of the vacuum chamber 12, and the elevating plate 15.
- the inside of the carry-in / out chamber 30 in this state is an atmospheric atmosphere, the sub-evacuation device 49 connected to the carry-in / out chamber 30 is operated, and the inside of the carry-in / out chamber 30 is evacuated to form a vacuum atmosphere of a predetermined pressure.
- the substrate holding device 27 and the processing object 11 disposed on the substrate holding device 27 are in the vacuum chamber 12. It is carried inside. A vacuum atmosphere is maintained inside the vacuum chamber 12 by the lid 31.
- the auxiliary vacuum exhaust device 49 is operated to evacuate the inside of the carry-in / out chamber 30.
- a valve is installed between the secondary vacuum exhaust device 49 and the lid 31, and the auxiliary vacuum exhaust device 49 is installed. The valve may be opened in a state in which is operated, and the inside of the carry-in / out chamber 30 may be evacuated.
- the elevating plate 15 is moved up and down inside the elevating region 12 b, and the processing region 12 a is located on the side of the elevating region 12 b inside the vacuum chamber 12.
- An upper side moving device 35 is provided above the inside of the vacuum chamber 12 so as to penetrate the processing region 12a, and a lower side moving device 36 is provided below the upper side moving device 35.
- the up-and-down movement the movement in both directions of the upward movement in the vertical direction or near-vertical direction and the downward movement in the vertical direction or near-vertical direction is regarded as the up-and-down movement.
- the upper side moving device 35 and the lower side moving device 36 are devices that respectively move the substrate holding device 27 in the lateral direction. Inside the vacuum chamber 12, the upper side moving device 35 and the lower side moving device 36 are moved up and down. A delivery device 37 for delivering the substrate holding device 27 to and from the plate 15 is disposed.
- the horizontal direction is a direction perpendicular to the direction of the up-and-down movement.
- the movement in the horizontal direction is a movement in the horizontal direction or a direction close to the horizontal.
- the delivery device 37 includes an upper delivery device 37 a that delivers the substrate holding device 27 between the upper movement device 35 and the lifting plate 15, and a lower movement device 36 and the lifting plate 15.
- a lower delivery device 37b for delivering the substrate holding device 27, and the lower delivery device 37b is disposed below the upper delivery device 37a.
- the upper delivery device 37a has an upper slider 42 and an upper hook 44
- the lower delivery device 37b has a lower slider 43 and a lower hook 45.
- the upper slider 42 is disposed between the side of the elevating region 12b and the vicinity of the upper moving device 35, and the lower slider 43 is disposed on the side of the elevating region 12b and the lower moving device 36. It is arranged over the vicinity.
- the upper delivery device 37 a moves the upper hook 44 in the lateral direction along the upper slider 42, and the lower delivery device 37 b moves the lower hook 45 along the lower slider 43. Move horizontally.
- the upper delivery device 37a and the lower delivery device 37b move the upper hook 44 and the lower hook 45 individually in the vertical direction under the control of the control device 25.
- the lifting plate 15 where the substrate holding device 27 is not disposed is stationary at a predetermined position below the lifting region 12 b, and the substrate holding device 27 is moved upward from above the lifting plate 15 by the upper delivery device 37 a.
- the upper side After being transferred to the side moving device 35, arranged in the upper side moving device 35, and moved in the processing region 12 a by the upper side moving device 35, the upper side is moved by the upper and lower side transfer device 39 arranged inside the vacuum chamber 12.
- the side moving device 35 to the lower side moving device 36 and moved in the processing region 12a by the lower side moving device 36 it arrives at a position to be transferred to the lower side transferring device 37b.
- the upper processing apparatus 40 is disposed at a position facing the processing object 11 disposed on the substrate holding device 27 moved by the upper moving apparatus 35 in the processing region 12a in the vacuum chamber 12.
- the lower processing apparatus 50 is arranged at a position facing the processing object 11 arranged on the substrate holding apparatus 27 moved by the lower moving apparatus 36.
- the upper processing device 40 is arranged so as to face the surface of the processing object 11 directed upward. After the surface of the processing object 11 is vacuum processed by the upper processing device 40, the processing object 11 is transferred from the upper moving device 35 to the vertical transfer device 39.
- the vertical transfer device 39 transfers the processing object 11 to the lower movement device 36 without changing the direction of the processing object 11, and the processing object in the substrate holding device 27 arranged in the lower movement device 36.
- the surface of 11 is directed upward.
- a window opening 24 which is a through hole shown in FIG. 12 is provided on the bottom surface of the substrate holding device 27.
- the processing object 11 is larger than the window opening 24, and the peripheral portion of the processing object 11 holds the substrate. While being in contact with the bottom surface of the device 27, the window opening 24 is disposed on the bottom surface. Therefore, the back surface of the processing object 11 disposed on the substrate holding device 27 is exposed downward.
- a lower processing device 50 is disposed below the processing region 12a.
- the lower side moving device 36 is arranged so that the back surface of the processing object 11 and the lower side processing device 50 can face each other.
- the back surface of the processing object 11 disposed on the substrate holding device 27 that moves in the processing region 12 a by the lower side moving device 36 is vacuum processed by the lower side processing device 50.
- the upper processing device 40 and the lower processing device 50 each have a plurality of target devices, and therefore, the upper processing device 40 and the lower processing device 50 are connected to the backing plate 47 of the target device.
- the sputtering target 46 is respectively fixed to the backing plate 47.
- a sputtering gas is introduced from the gas introduction device 41 into the vacuum chamber 12 in a vacuum atmosphere, and the inside of the vacuum chamber 12 is changed to a sputtering gas atmosphere, and a backing plate 47 A voltage is applied to the surface of the sputtering target 46 to form plasma near the surface.
- the sputtering target 46 of the upper processing apparatus 40 and the sputtering target 46 of the lower processing apparatus 50 are sputtered by this plasma, and when the processing object 11 faces the upper processing apparatus 40, a thin film is formed on the surface, When facing the lower processing apparatus 50, a thin film is formed on the back surface.
- the sputtering gas atmosphere is a vacuum atmosphere having a pressure lower than atmospheric pressure.
- the upper-side moving device 35 and the lower-side moving device 36 are horizontally arranged in parallel to each other, for example, a plurality of conveying rollers that come into contact with the edge of the substrate holding device 27, and a rotating device that rotates the conveying rollers ( A conveyance roller and a rotation device (not shown) can be provided.
- the plurality of transfer rollers are arranged in a direction in which the substrate holding device 27 is moved, and the substrate holding device 27 can be moved on the transfer roller.
- the substrate holding device 27 is provided with a pin 28, and the upper hook 44 and the lower hook 45 can be engaged with the pin 28 as will be described later.
- FIG. 1 shows a state in which the substrate holding device 27 is moved to the vicinity of the lifting region 12b by the lower side moving device 36, and the upper end of the lower hook 45 is placed on the pin 28 by the lower side transferring device 37b.
- the pin 28 and the lower hook 45 engage with each other.
- the substrate holding device 27 having the pin 28 engaged with the lower hook 45 is moved together with the lower hook 45, as shown in FIG. As shown, the substrate holding device 27 is transferred onto the lifting plate 15.
- a plurality of rollers 48 are arranged in a direction along the moving direction of the substrate holding device 27, and when the lower hook 45 is further moved, the substrate holding device 27 is moved to the elevating plate 15.
- the roller 48 is moved while rotating, and arrives at a predetermined position of the lifting plate 15.
- the lower hook 45 moves upward of the lifting plate 15. Arriving at a retreat location that does not become an obstacle, the elevating plate 15 can be raised.
- the upper slider 42 is also disposed at a retreat location that does not hinder the upward movement of the lifting plate 15, and as shown in FIG. 6, the inner sealing ring 29 of the lifting plate 15 is placed on the ceiling portion of the vacuum chamber 12.
- the opening 26 is covered with the lifting plate 15 in an airtight manner, and a sealed carry-in / out chamber 30 is formed.
- the lid 31 is moved upward as shown in FIG. 7, the inside of the carry-in / out chamber 30 is opened to the atmosphere, and the processing object 11 placed in the substrate holding device 27 on the lifting plate 15. Is moved to another apparatus, and an unprocessed object to be processed is placed on the substrate holding apparatus 27. Then, the lid 31 is lowered and pressed to cover the opening 26 in an airtight manner, and the loading / unloading chamber 30 is sealed.
- the sub-evacuation device 49 may be the same device as the main vacuum exhaust device 34 that evacuates the vacuum chamber 12.
- the main vacuum exhaust device 34 keeps the inside of the vacuum chamber 12 at a clean vacuum.
- the auxiliary vacuum exhaust device 49 repeatedly evacuates the atmospheric atmosphere in the carry-in / out chamber 30 to form a vacuum atmosphere. Therefore, if the main vacuum exhaust device 34 and the auxiliary vacuum exhaust device 49 are the same device, the vacuum chamber 12 There is a possibility that the inside cannot be kept in a clean vacuum. Therefore, it is preferable that the main vacuum evacuation device 34 for evacuating the vacuum chamber 12 and the sub-vacuum evacuation device 49 for evacuating the carry-in / out chamber 30 are separate vacuum evacuation devices.
- the elevating plate 15 is lowered, and the processing object 11 on the substrate holding device 27 is moved to the processing object on the upper side moving device 35.
- the height becomes the same as 11 the movement of the lifting plate 15 is stopped.
- the upper side hook 44 is previously moved on the upper side slider 42 from the processing region 12a to the retreat position that does not obstruct the movement of the lifting plate 15 than the lifting region 12b.
- the movement of the upper hook 44 is stopped when the upper end of the upper hook 44 is positioned above the pin 28 of the substrate holding device 27 on the lifting plate 15 as shown in FIG.
- the upper hook 44 is lowered and the upper hook 44 and the pin 28 are engaged.
- the substrate holding device 27 is moved together with the upper hook 44 while rotating the roller 48 of the elevating plate 15, as shown in FIG. As described above, it is placed on the upper side moving device 35.
- the substrate holding device 27 moved by the upper side moving device 35 passes the upper side inside the processing region 12a, and the upper side processing device 40 performs the vacuum processing of the surface of the processing object 11.
- the substrate holding device 27 is moved to the lower side moving device 35 by the vertical transfer device 39 and moved by the lower side moving device 35, is moved on the lower side inside the processing region 12 a, and the lower processing device 50.
- vacuum processing is performed on the back surface of the processing object 11 exposed on the bottom surface of the window opening 24.
- the latest substrate is located in the lift region 12b.
- the pin 28 of the holding device 27 is engaged with the lower hook 45 of the lower delivery device 37b and delivered to the lowered lift plate 15.
- the lifting plate 15 is raised, and the processing object 11 placed in the substrate holding device 27 is placed in the carry-in / out chamber 30 as described above, and then taken out in the air atmosphere.
- the substrate is moved to the apparatus, and an unprocessed object to be processed is placed on the substrate holding device 27 on the lifting plate 15.
- the front and back surfaces of the processing object 11 are vacuum-processed.
- the vertical transfer device 39 receives the substrate holding device 27 from the upper moving device 35 to the lower moving device 36.
- the orientation of the substrate holding device 27 and the processing object 11 is reversed together so that the surface directed upward of the processing object 11 faces downward, and vacuum processing is performed by the upper processing apparatus 40.
- the surface of the processing object 11 may face the lower processing apparatus 50, and the surface that has been vacuum processed by the upper processing apparatus 40 may be vacuum processed by the lower processing apparatus 50.
- the thin film may be formed by the lower processing apparatus 50 on the surface of the thin film formed by the upper processing apparatus 40.
- the substrate holding device 27 arranged in the upper side moving device 35 is moved to the lower side moving device 36 by the vertical transfer device 39, but the substrate holding device 27 arranged in the upper side moving device 35 is used. Is moved back and forth, and the substrate holding device 27 reciprocated by the upper transfer device 37a is moved from the upper transfer device 35 onto the lift plate 15, the lift plate 15 is lowered, and the lift plate 15 is moved by the lower transfer device 37b.
- the substrate holding device 27 is moved from the upper side to the lower side moving device 36, and the substrate holding device 27 arranged in the lower side moving device 36 is reciprocated, whereby the upper processing device 40 and the lower processing device 50 are moved.
- the vacuum processing of the processing object 11 may be performed.
- the elevating plate 15 is raised, and the processing object 11 placed in the substrate holding device 27 is placed inside the carry-in / out chamber 30 and then taken out in the atmosphere and moved to another device.
- the unprocessed processing object is placed in the substrate holding device 27 on the lifting plate 15, but the substrate holding device 27 on which the processing object 11 is placed is moved to another device, and the unprocessed processing object 11 is moved.
- the replacement time can be shortened.
- the substrate holding device 27 on which the processing target 11 is arranged is moved onto the lifting plate 15 by the lower delivery device 37b, and is taken out from the carry-in / out chamber 30 into the atmosphere. be able to.
- the upper hook 44 and the lower hook 45 are provided so as to be movable on the upper slider 42 or the lower slider 43.
- An upper hook 63 and a lower hook 64 are provided at the tips of the horizontally extending upper bar member 61 and lower bar member 62, respectively, and the upper bar member 61 and the lower bar member 62 are moved upward and downward. So that the upper hook 63 and the pin 28 are engaged and released, and the lower hook 64 and the pin 28 are engaged and released. Has been.
- the upper bar member 61 and the lower bar member 62 are attached to the bar member moving device 60.
- the upper bar member 61 and the lower bar member 62 Each of them is configured to move individually along the direction in which the central axis extends.
- the upper side bar member 61 and the lower side bar member 62 are horizontal and reciprocate on a straight line.
- the upper hook 63 and the lower hook 64 are inserted between the pin 28 and the processing region 12a, so that the upper hook 63 and the pin 28 are interposed between the lower hook 64 and the pin 28.
- the substrate holding device 27 moves in a direction away from the processing region 12 a while rotating the roller 48 on the elevating plate 15.
- the upper hook 63 and the lower hook 64 are disposed at a position farther from the processing region 12a than the pin 28, and the upper bar member 61 and the lower bar member 62 are engaged with each other in the engaged state.
- the substrate holding device 27 moves in a direction approaching the processing region 12a while rotating the roller 48 on the elevating plate 15.
- the upper bar member 61, the upper hook 63, and the bar member moving device 60 constitute the upper delivery device 37a, and the lower bar member 62, the lower hook 64, and the bar member moving device 60 are A side delivery device 37b is configured.
- the upper delivery device 37a and the lower delivery device 37b are not limited to devices that use hooks.
- a transport device such as a belt conveyor is connected between the upper movement device 35 and the lifting region 12b.
- the upper delivery device 37a and the lower delivery device 37b can be configured by being provided between the lower movement device 36 and the lifting region 12b.
- the hook body 81 of the hook 67 is attached to the upper slider 42 or the lower slider 43 so as to be swingable.
- the tip of the hook body 81 is provided with a protrusion 85 formed upward, and a drive rod 83 that is extended or reduced by a solenoid 82 is rotatably attached to the hook body 81.
- the hook body 81 When the solenoid 82 is operated and the drive rod 83 is moved in the contracting direction, the hook body 81 is swung so that the protrusion 85 is moved upward, and the drive rod 83 is moved in the extending direction. Sometimes, the hook body 81 swings so that the protrusion 85 moves downward.
- the upper delivery device 37a and the lower delivery device 37b are provided with hooks that move up and down, and the hooks can be moved up and down to engage and release, but they move up and down.
- the present invention is not limited to the hook, and includes, for example, an apparatus for engaging and releasing by rotating the hook.
- Reference numerals 65 and 66 in FIG. 14 denote an upper hook and a lower hook that rotate, and the upper hook 65 and the lower hook 66 are respectively the tip of the upper bar member 61 and the lower bar member. 62 is attached to the tip.
- the upper bar member 61 and the lower bar member 62 are arranged horizontally, and are reciprocated on a straight line along the direction in which the upper bar member 61 and the lower bar member 62 extend by the bar member moving device 60. It has been moved.
- the substrate holding device 27 transferred to the upper side moving device 35 or the lower side moving device 36 is moved to the processing region 12a, and the processing object 11 placed on the substrate holding device 27 is subjected to vacuum processing.
- the upper slider 42 and the lower slider 43 can be a single slider device having an upper hook 44 and a lower hook 45
- the upper delivery device 37a and the lower delivery device 37b can be used as a single slider device.
- the delivery device 37 can be composed of one slider device and two hooks.
- one slider device having one hook is attached to the lifting plate 15 so that the lifting plate 15 does not obstruct the airtight covering of the opening 26, and the slider device moves up and down together with the lifting plate 15. If it is constituted, the hook of the slider device is moved, both between the lifting plate 15 and the upper side moving device 35, and between the lifting plate 15 and the lower side moving device 36, Since the delivery of the substrate holding device 27 can be performed, the upper delivery device and the lower delivery device are not provided, and the delivery device 37 is configured to be delivered by one slider device and one hook. be able to.
- one substrate holding device 27 is disposed on one lifting plate 15, but a plurality of substrate holding devices 27 may be disposed on one lifting plate 15.
- a plurality of processing objects 11 may be arranged on one substrate holding device 27.
- the lid 31 is plate-shaped, but may be a box-shaped lid that matches the shape of the substrate holding device 27.
- the processing region 12a and the elevating region 12b communicate with each other and have a vacuum atmosphere with the same pressure. However, due to an unbalance such as a difference in the exhaust path, an inevitable pressure difference is processed. Although it occurs between the region 12a and the lift region 12b, the pressure difference is so small as to be negligible. Therefore, even if an unavoidable pressure difference exists, the pressure is the same.
- Upper and lower delivery device 40 ... Upper processing device 41 ... Gas introduction device 42 ... Upper slider 43 ... Lower sliders 44 and 67 ... Upper hooks 45 and 67 ... Lower hook 46 ... Sputtering Target 4 ?? backing plate 48 ?? roller 50 ; lower side processing apparatus
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Abstract
Description
本発明は、前記昇降板が上下移動する範囲の上部には、前記真空槽に設けられた開口と、前記開口を覆って搬出入室を形成させる蓋部材とが設けられ、前記基板保持装置に配置された前記処理対象物が前記開口に挿入されると、前記開口は前記蓋部材で閉塞される真空処理装置である。
本発明は、前記搬出入室を真空排気する真空排気装置が設けられた真空処理装置である。
本発明は、前記上方側移動装置と前記下方側移動装置との間で、前記基板保持装置を受け渡す上下間受渡装置が設けられた真空処理装置である。
本発明は、前記基板保持装置にはピンが設けられており、前記受渡装置は、前記ピンと係合可能なフックを有する真空処理装置である。
本発明は、前記フックは、上方又は下方のうち、いずれかに移動することで、前記ピンとの係合が解除される真空処理装置である。
本発明は、前記受渡装置は、前記昇降板と前記上方側移動装置との間で前記基板保持装置を受け渡す上方側受渡装置と、前記昇降板と前記下方側移動装置との間で前記基板保持装置を受け渡す下方側受渡装置と、を有する真空処理装置である。
図5の符号10は、処理対象物に真空処理を行う真空処理装置であり、真空槽12を有しており、真空槽12には、昇降装置16が設けられている。
蓋部31は、真空槽12の外部に配置され、制御装置25に接続された押圧装置33に取りつけられており、押圧装置33は、制御装置25の制御によって、蓋部31を鉛直下方に移動させ、又は、鉛直上方に移動させる。符号52は、蓋部31が移動する際のガイドである。
真空槽12は主真空排気装置34に接続されており、真空槽12の内部を真空排気する際には、蓋部31は押圧装置33によって、蓋部31に設けられた外部密閉リング32が、開口26を取り囲むように真空槽12の天井部分と接触するように移動され、また、押圧装置33によって、蓋部31が真空槽12の天井に押圧され、外部密閉リング32は、真空槽12の開口26の周囲の部分と蓋部31とに密着される。
ここでは、昇降移動は、鉛直方向または鉛直に近い方向の上方移動と鉛直方向または鉛直に近い方向の下方移動との両方向の移動が昇降移動とされている。
横方向は昇降移動の方向と垂直な方向であり、ここでは、横方向の移動は、水平方向または水平に近い方向への移動となっている。
下方側移動装置36は、処理対象物11の裏面と下方側処理装置50とが対面できるように配置されている。下方側移動装置36によって処理領域12a内を移動する基板保持装置27に配置された処理対象物11の裏面は、下方側処理装置50によって真空処理される。
この副真空排気装置49は、真空槽12を真空排気する主真空排気装置34と同一の装置であってもよいが、例えば、主真空排気装置34は真空槽12内を清浄な真空に保っており、副真空排気装置49は搬出入室30内の大気雰囲気を繰り返し排気して真空雰囲気を形成しているので、主真空排気装置34と副真空排気装置49を同一の装置とすると、真空槽12内を清浄な真空に保てなくなる可能性がある。従って、真空槽12を真空排気する主真空排気装置34と搬出入室30を真空排気する副真空排気装置49とは、別々の真空排気装置であった方がよい。
また、一台の基板保持装置27に複数枚の処理対象物11が配置されていてもよい。
なお、上記例では、蓋部31は板状とされていたが、基板保持装置27の形状に合わせた箱状の蓋部にされていてもよい。
上記説明では、処理領域12aと昇降領域12bとは、互いに連通し、同一の圧力の真空雰囲気にされているとしたが、排気経路の相違等の不平衡のため、不可避的な圧力差が処理領域12aと昇降領域12bとの間に発生するが、その圧力差は無視できる程度に小さいので、不可避的な圧力差が存在しても同一の圧力であるものとする。
11……処理対象物
12……真空槽
12a……処理領域
12b……昇降領域
14……昇降軸
15……昇降板
16……昇降装置
17……昇降孔
21……昇降力発生装置
22……台座板
23……ベローズ
24……窓開部
25……制御装置
26……開口
27……基板保持装置
28……ピン
29……内部密閉リング
30……搬出入室
31……蓋部
32……外部密閉リング
33……押圧装置
35……上方側移動装置
36……下方側移動装置
37……受渡装置
37a……上方側受渡装置
37b……下方側受渡装置
39……上下間受渡装置
40……上方側処理装置
41……ガス導入装置
42……上方側スライダー
43……下方側スライダー
44、67……上方側フック
45、67……下方側フック
46……スパッタリングターゲット
47……バッキングプレート
48……ローラ
50……下方側処理装置
Claims (7)
- 処理対象物が処理面を露出させて配置される基板保持装置が搬出入される真空槽と、
昇降板上に配置された前記基板保持装置を前記真空槽内で昇降移動させる昇降装置と、
前記真空槽内の上方側で前記基板保持装置を横方向に移動させる上方側移動装置と、
前記真空槽内の下方側で前記基板保持装置を横方向に移動させる下方側移動装置と、
前記昇降板と、前記上方側移動装置及び前記下方側移動装置との間で前記基板保持装置を受け渡す受渡装置と、
を有し、
前記上方側移動装置によって移動される前記基板保持装置に配置された前記処理対象物は上方側処理装置によって真空処理がされ、前記下方側移動装置によって移動される前記基板保持装置に配置された前記処理対象物は下方側処理装置によって真空処理をされる真空処理装置。 - 前記昇降板が上下移動する範囲の上部には、前記真空槽に設けられた開口と、
前記開口を覆って搬出入室を形成させる蓋部材とが設けられ、
前記基板保持装置に配置された前記処理対象物が前記開口に挿入されると、前記開口は前記蓋部材で閉塞される請求項1記載の真空処理装置。 - 前記搬出入室を真空排気する真空排気装置が設けられた請求項2記載の真空処理装置。
- 前記上方側移動装置と前記下方側移動装置との間で、前記基板保持装置を受け渡す上下間受渡装置が設けられた請求項1記載の真空処理装置。
- 前記基板保持装置にはピンが設けられており、
前記受渡装置は、前記ピンと係合可能なフックを有する請求項1記載の真空処理装置。 - 前記フックは、上方又は下方のうち、いずれかに移動することで、前記ピンとの係合が解除される請求項5記載の真空処理装置。
- 前記受渡装置は、前記昇降板と前記上方側移動装置との間で前記基板保持装置を受け渡す上方側受渡装置と、
前記昇降板と前記下方側移動装置との間で前記基板保持装置を受け渡す下方側受渡装置と、を有する請求項1記載の真空処理装置。
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CN201780021217.2A CN108884561B (zh) | 2016-11-02 | 2017-11-01 | 真空处理装置 |
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US10612130B2 (en) | 2020-04-07 |
TW201820516A (zh) | 2018-06-01 |
JPWO2018084214A1 (ja) | 2018-11-01 |
CN108884561A (zh) | 2018-11-23 |
TWI662644B (zh) | 2019-06-11 |
KR101972730B1 (ko) | 2019-04-25 |
KR20180102197A (ko) | 2018-09-14 |
CN108884561B (zh) | 2019-08-06 |
JP6336231B1 (ja) | 2018-06-06 |
US20190233224A1 (en) | 2019-08-01 |
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