WO2018211898A1 - 保管システム - Google Patents
保管システム Download PDFInfo
- Publication number
- WO2018211898A1 WO2018211898A1 PCT/JP2018/015894 JP2018015894W WO2018211898A1 WO 2018211898 A1 WO2018211898 A1 WO 2018211898A1 JP 2018015894 W JP2018015894 W JP 2018015894W WO 2018211898 A1 WO2018211898 A1 WO 2018211898A1
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- WO
- WIPO (PCT)
- Prior art keywords
- rail
- unit
- traveling
- storage system
- rails
- Prior art date
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Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/0457—Storage devices mechanical with suspended load carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/0464—Storage devices mechanical with access from above
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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
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67259—Position monitoring, e.g. misposition detection or presence detection
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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
- H01L21/673—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 using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
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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
- H01L21/67724—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 by means of a cart or a vehicule
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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
- H01L21/67733—Overhead conveying
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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
- H01L21/67763—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 the wafers being stored in a carrier, involving loading and unloading
- H01L21/67769—Storage means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0297—Wafer cassette
Definitions
- One embodiment of the present invention relates to a storage system.
- a traveling rail having a plurality of rails arranged in a grid on the same horizontal plane, and a carriage that travels on the traveling rail and holds and lifts articles
- a system that includes a storage unit that is disposed below the traveling rail and on which articles are placed (see, for example, Patent Document 1).
- the carriage delivers articles to the storage unit through an opening area provided between the rails.
- a storage unit is provided on the entire surface of the area below the road rail except directly above the load port. In such a configuration, the degree of freedom of installation of the storage unit is low.
- an object of one embodiment of the present invention is to provide a storage system that can improve the degree of freedom of installation of the storage unit.
- a storage system includes a plurality of first rails extending in a first direction and a plurality of second rails extending in a second direction orthogonal to the first direction, and the plurality of first rails And a plurality of second rails arranged in a lattice pattern on the same plane, a plurality of regions surrounded by a pair of first rails adjacent to each other and a pair of second rails adjacent to each other vertically and horizontally.
- a storage unit on which the article is placed the carriage delivers the article to the storage unit
- the storage unit has a plurality of rack units adjacent to each other, and each of the plurality of rack units Is the placement section on which the article is placed
- Mounting member with containing is provided so as to be located immediately below the region, and is detachable with respect to the running rail.
- This storage system can improve the degree of freedom of installation, removal, position change, etc. of the storage unit as compared with the case where the entire storage unit is composed of a single rack.
- each of the plurality of rack units may include a support member that supports the mounting member, and the support member may be detachably suspended from the traveling rail.
- the rack unit including the mounting member can be attached to and detached from the traveling rail by attaching and detaching the support member to and from the traveling rail.
- each of the rack units corresponds to a plurality of opening regions arranged in a matrix (that is, arranged in a plurality of rows in both the first direction and the second direction).
- the freedom degree such as installation of a storage part, removal, a position change, can be improved. For example, it is particularly effective when it is desired to remove the storage part for one row of the open area.
- each of the plurality of regions forms an opening region having a size that allows the article to pass in the vertical direction, and the carriage holds the article above the traveling rail.
- the vehicle may travel in a state, and the article may be delivered to the placement member through the opening region. According to this, the article can be delivered to the storage unit simply by moving the article up and down in the vertical direction through the opening region.
- each of the plurality of support members is suspended from the intersection between the first rail and the second rail, and the carriage holds the article below the traveling rail.
- the article may travel while passing between a plurality of support members.
- the travel rail hardly interferes with the delivery operation of the goods, so the layout flexibility of the transfer destination is improved.
- a mounting member can be supported just under an opening area
- the mounting member may be a pair of beam-like members that are spaced from each other. According to this, since the article is placed on the pair of beam-like members, for example, compared with the case where the article is placed on the flat plate-like member, the airflow is prevented from being obstructed by the rack unit. Can do. In particular, when this storage system is used in a clean room, it is possible to suppress the obstruction of the vertical airflow for keeping the clean room clean.
- FIG. 1 is a plan view of a storage system according to the first embodiment.
- FIG. 2 is a partially enlarged view of the storage system of FIG.
- FIG. 3 is a front view of a rack unit provided in the storage system of FIG. 4 is a bottom view of the rack unit of FIG.
- FIG. 5 is a side view of the rack unit of FIG.
- FIG. 6 is a front view of a rack unit provided in the storage system of the second embodiment.
- FIG. 7 is a bottom view of the rack unit of FIG.
- FIG. 8 is a front view of another rack unit provided in the storage system of the second embodiment.
- FIG. 9 is a bottom view of the rack unit of FIG.
- the storage system 1 includes a traveling rail 2, a plurality of carts 3, and a storage unit 4.
- the storage system 1 is laid above a plurality of semiconductor processing apparatuses 10 each having a plurality of apparatus ports 8 in a semiconductor manufacturing factory.
- the storage system 1 temporarily stores a FOUP (Front Opening Unified Pod) 9 containing a plurality of semiconductor wafers. More specifically, in the storage system 1, the FOUP 9 is transported between the storage unit 4 and the device port 8 by the carriage 3 traveling on the traveling rail 2, and the storage unit 4 FOUP 9 (before supplying the FOUP 9 to the device port 8).
- the FOUP 9 and the FOUP 9) collected from the apparatus port 8 are temporarily stored.
- the FOUP 9 is carried into or out of the storage system 1 by OHT (Overhead Hoist Transfer). The OHT travels along a track laid between the storage system 1 and the ceiling of the semiconductor manufacturing factory.
- OHT Overhead Hoist Transfer
- the respective semiconductor processing apparatuses 10 are arranged in a plurality of rows (two rows along the first direction D1 in FIG. 1) on the lower side of the traveling rail 2. Each semiconductor processing apparatus 10 is disposed in a direction in which the apparatus ports 8 face each other in a pair of adjacent rows.
- the FOUP 9 is supplied to the apparatus port 8 of the semiconductor processing apparatus 10 by the carriage 3, the semiconductor wafer accommodated in the FOUP 9 is taken into the semiconductor processing apparatus 10. Then, after the semiconductor wafer is subjected to a predetermined process in the semiconductor processing apparatus 10, it is accommodated in the FOUP 9 again. As a result, the FOUP 9 can be collected and transported by the carriage 3.
- the traveling rail 2 has a plurality of first rails 21 and a plurality of second rails 22.
- Each first rail 21 extends linearly in the first direction D1, and a predetermined interval is provided between the first rails 21 adjacent to each other.
- Each second rail 22 extends linearly in a second direction D2 orthogonal to the first direction D1, and a predetermined interval is provided between the second rails 22 adjacent to each other.
- the plurality of first rails 21 and the plurality of second rails 22 are arranged in a grid on the same horizontal plane.
- the carriage 3 includes a traveling part 31, a transfer part 32, and a protruding part 33.
- the traveling unit 31 can travel in the first direction D1 along a pair of first rails 21 adjacent to each other, and can travel in a second direction D2 along a pair of second rails 22 adjacent to each other. is there.
- the traveling unit 31 includes a main body unit 37, four wheels 36, and a wheel support arm 38. Each wheel 36 is rotatably supported by a wheel support arm 38 provided so as to protrude downward from the main body portion 37, and rolls on the tread surface 24 a of the traveling rail 2.
- the transfer unit 32 includes a holding unit 32a that holds the flange portion 9a of the FOUP 9, a belt 32b that suspends the holding unit 32a, and an elevating drive unit 32c that raises and lowers the holding unit 32a by winding and lowering the belt 32b. And a ⁇ rotation mechanism 32d that rotates the elevating drive unit 32c about a vertical direction (a direction perpendicular to each of the first direction D1 and the second direction D2).
- FIG. 3 shows a state in the middle of transferring the FOUP 9 to the storage unit 4 by the transfer unit 32.
- the protruding portion 33 causes the transfer portion 32 to protrude from the traveling portion 31 in each of the first direction D1 and the second direction D2.
- the protrusion 33 includes a turning mechanism 33a.
- the base end part of the turning mechanism 33a is rotatably attached to the traveling part 31, and the transfer part 32 is attached to the distal end part of the turning mechanism 33a.
- the traveling rail 2 is provided with a plurality of rectangular (that is, checkered) regions.
- Each rectangular region is a region surrounded by a pair of first rails 21 adjacent to each other and a pair of second rails 22 adjacent to each other, and a plurality of regions are formed vertically and horizontally.
- vertical and horizontally means that each of the first direction D1 and the second direction D2
- a plurality of rectangular regions are formed vertically and horizontally means a rectangular shape. It means that a plurality of regions are formed in a matrix form arranged in each of the first direction D1 and the second direction D2.
- Each rectangular area forms an opening area having a size that allows the FOUP 9 to pass in the vertical direction.
- the carriage 3 travels by the traveling unit 31 in a state where the FOUP 9 is retained above the traveling rail 2 by the retaining unit 32 a of the transfer unit 32. In addition, the carriage 3 delivers the FOUP 9 to the storage unit 4 through the predetermined opening region by the transfer unit 32.
- the first opening area (opening area) 2 a is an area located immediately above the device port 8.
- the second opening region (opening region) 2b is the device port 8 through the first opening region 2a in a state where the carriage 3 positions the transfer part 32 on the first opening region 2a. This is an area located immediately below the stop position of the traveling unit 31 when the FOUP 9 is delivered.
- the third opening region (opening region) 2c is a region other than the first opening region 2a and the second opening region 2b.
- the area above the plurality of device ports 8 and below the traveling rail 2 is classified into a non-storage area 5 and a storage area 6.
- the non-storage area 5 includes a plurality of sections each constituted by each first opening area 2a and each area provided adjacent to the first opening area 2a so as to surround the first opening area 2a; It is an area immediately below the area (intervening) located between the sections in the opening area 2c.
- the “region located between each compartment” is located between two compartments constituting at least one combination among all combinations constituted by two compartments of the plurality of compartments. It means a region where all the regions are added together.
- the non-storage area 5 is an area where each section is located with respect to a line connecting the outer edges on the side that does not face the other sections among the outer edges of each section.
- the storage area 6 is an area excluding the non-storage area 5, and a plurality of third opening areas 2c are provided immediately above it.
- the storage area 6 is an area on the side where each section is not located with respect to a line connecting the outer edges on the side not facing the other sections among the outer edges of each section.
- the storage unit 4 is not provided immediately below all the areas provided adjacent to the first opening area 2a so as to surround the first opening area 2a in the third opening area 2c.
- the storage unit 4 may not be provided in the non-storage region 5. In this case, in the traveling rail 2 around the device port 8, it is possible to suppress the occurrence of traffic congestion due to the carriage 3. .
- the storage unit 4 is configured by combining a plurality of rack units 40 adjacent to each other.
- Each rack unit 40 has a mounting member 51 for mounting the FOUP 9 (details will be described later), and a pair of first rails 21 adjacent to each other and a pair of second rails 22 adjacent to each other.
- the mounting member 51 is provided so as to be located immediately below a region (opening region) surrounded by.
- Each rack unit 40 is attached so as to correspond to the plurality of third opening regions 2c provided adjacent to the first rail 21 or the second rail 22 and arranged on both sides thereof.
- Each placement member 51 is formed with a plurality of placement portions 50 that are portions on which the FOUP 9 is placed.
- At least one of the plurality of rack units 40 is formed such that the plurality of placement portions 50 are arranged in a row in the placement member 51, and the direction in which the plurality of placement portions 50 are arranged in a row is the first direction. It is provided so as to be parallel to D1 or the second direction D2. That is, each rack unit 40 corresponds to a plurality of third opening regions 2c arranged in a line in either the first direction D1 or the second direction D2. FOUP 9 is delivered to each rack unit 40 through each of the corresponding third opening regions 2c. As an example, in the storage system 1, each rack unit 40 corresponds to the three third opening regions 2c arranged in a row in the second direction D2.
- the first opening region 2 a is formed by partially thinning out at least one of the first rail 21 and the second rail 22.
- Each first opening region 2a has a size corresponding to a plurality of second opening regions 2b and third opening regions 2c.
- the first opening region 2a is a region immediately above the plurality of device ports 8 arranged in a line in the first direction D1.
- the first rail 21 is formed of an H-shaped steel material in which the web portion 23 is arranged vertically.
- the upper surface of the flange portion 24 provided at the lower end of the web portion 23 is a tread surface 24 a of the four wheels 36 included in the traveling portion 31 of the carriage 3.
- the second rail 22 has the same configuration as the first rail 21.
- the four wheels 36 are a pair of tread surfaces 24a (tread surfaces 24a of the first rail 21) facing each other in the second direction D2.
- a pair of tread surfaces 24a (the tread surface 24a of the second rail 22) facing each other in the first direction D1.
- the traveling unit 31 performs the direction change between the first direction D1 and the second direction D2 by simultaneously changing the direction when the four wheels 36 are located at the four intersections.
- the rack unit 40 includes a placement member 51, a plurality of support members 42, and a plurality of reinforcement members 43.
- the placement member 51 is a member on which the FOUP 9 is placed.
- the mounting member 51 is, for example, a pair of beam-like members 41 provided at intervals.
- the pair of beam-like members 41 extends in the direction below the plurality of third opening regions 2c arranged in a line in either the first direction D1 or the second direction D2.
- the pair of beam-like members 41 are arranged in parallel to each other on the same horizontal plane. That is, the pair of beam-like members 41 are arranged in parallel.
- Each support member 42 is a member for supporting the mounting member 51.
- Each support member 42 extends upward from both ends of the pair of beam-like members 41.
- the upper end portion of each support member 42 is detachably attached to the first rail 21 or the second rail 22.
- each support member 42 is suspended from the traveling rail 2 so as to be detachable. That is, the rack unit 40 is suspended from the traveling rail 2 below the third opening region 2 c and is detachable from the traveling rail 2.
- the pair of beam members 41 extends in the second direction D2 below the three third opening regions 2c arranged in a row in the second direction D2, The upper end portion of each support member 42 is detachably attached to the first rail 21.
- the plurality of reinforcing members 43 connect the pair of support members 42 connected to the end portions on the same side in each of the pair of beam-like members 41 at their lower end portions. Thereby, the change of the attitude
- a plurality of brackets 25 are detachably fixed to the lower surfaces of the flange portions 24 of the first rail 21 and the second rail 22 with bolts or the like.
- the plurality of brackets 25 are arranged at a pitch corresponding to the third opening region 2c.
- Each bracket 25 provided on the first rail 21 has a pair of beam-like members 41 extending in the second direction D2, and one of the pair of rack units 40 adjacent to each other in the second direction D2.
- the upper end portion of the other side support member 42 in the side rack unit 40 and the upper end portion of the one side support member 42 in the other side rack unit 40 can be attached by bolts.
- Each bracket 25 provided on the second rail 22 has a pair of beam-like members 41 extending in the first direction D1 and one of the pair of rack units 40 adjacent to each other in the first direction D1.
- the upper end portion of the other side support member 42 in the side rack unit 40 and the upper end portion of the one side support member 42 in the other side rack unit 40 can be attached by bolts. Therefore, with the above configuration, the rack unit 40 can be attached to and detached from the flange portion 24 by attaching and detaching the bracket 25 to the lower surface of the flange portion 24 of each of the first rail 21 and the second rail 22. . [Position relationship of rack unit mounting surface]
- a plurality of beam-like members 41 included in the rack unit 40 are provided in a plurality via the respective third opening regions 2 c corresponding to the rack unit 40.
- FOUP9 is mounted.
- the mounting member 51 such as the beam-like member 41 is provided with a mounting portion 50 that is a portion on which the FOUP 9 is mounted, and the upper surface of the mounting portion 50 is a mounting surface 40a. Therefore, when viewed from the vertical direction, the FOUP 9 placed on the placement surface 40a is located in the third opening region 2c.
- a plurality of (here, three) positioning pins (positioning portions) 44 for positioning each FOUP 9 with respect to the rack unit 40 are provided on the upper surface of the pair of beam-like members 41.
- the positioning pin 44 is also referred to as a kinema pin, and restricts the movement of each FOUP 9 relative to the rack unit 40 by fitting into a recess provided on the bottom surface of the FOUP 9.
- the rack unit 40 is configured such that the FOUP 9 placed on the placement surface 40 a overlaps the first rail 21 and the second rail 22 when viewed from the horizontal direction.
- the space between the mounting surface 40a and the first rail 21 and the space between the mounting surface 40a and the second rail 22 have sizes that the FOUP 9 cannot pass through.
- the rack unit 40 is configured such that the upper end of the FOUP 9 placed on the placement surface 40a is positioned below the lower end of the main body portion 37 of the traveling unit 31 of the carriage 3 that travels immediately above the rack unit 40. ing.
- the rack unit 40 is configured such that the upper end of the FOUP 9 placed on the placement surface 40 a is positioned above the tread surface 24 a of the traveling rail 2.
- the traveling rail 2 has a first stop area 20a and a second stop area (adjacent area) 20b.
- the first stop area 20 a is a part of the traveling rail 2 corresponding to the plurality of third opening areas 2 c immediately above the storage area 6.
- the second stop area 20 b is a part of the traveling rail 2 corresponding to the plurality of second opening areas 2 b adjacent to each of the plurality of first opening areas 2 a in the non-storage area 5.
- the first stop area 20a and the second stop area 20b do not overlap.
- the storage unit 4 is provided below the first stop region 20a, but the storage unit 4 is not provided below the second stop region 20b.
- a working scaffold 7 attached to the traveling rail 2 so as to be suspended is provided below the second opening region 2b (for example, a region immediately below).
- the first opening region 2a extends in the first direction D1
- the second stop region 20b is in the first direction D1 on both sides of the first opening region 2a in the second direction D2.
- the cart 3 travels in the first direction D1 and the second direction D2 with the transfer unit 32 protruding from the travel unit 31 in the first direction D1.
- an operation example of the carriage 3 in this case will be described.
- the transfer unit 32 When delivering the FOUP 9 to the predetermined rack unit 40 via the predetermined third opening region 2c, the transfer unit 32 is projected in the first direction D1 from the traveling unit 31.
- the traveling unit 31 stops at the first stop region 20a so that 32 is positioned on the predetermined third opening region 2c.
- the carriage 3 moves the holding unit 32a of the transfer unit 32 up and down to deliver the FOUP 9 to the predetermined rack unit 40 through the predetermined third opening region 2c.
- the carriage 3 does not deliver the FOUP 9 to the rack unit 40 via the third opening area 2c.
- the stop position of the traveling unit 31 when the FOUP 9 is delivered to the rack unit 40 via the third opening region 2c with the carriage 3 positioned on the third opening region 2c. Is defined at a position excluding the portion directly above the second opening region 2b.
- the cart 3 may deliver the FOUP 9 to the predetermined rack unit 40 through the predetermined third opening region 2c as follows. That is, the carriage 3 stops the traveling unit 31 at a portion corresponding to one third opening region 2c of the pair of third opening regions 2c adjacent to each other in the storage region 6, and on the other third opening region 2c. The transfer unit 32 is positioned in the position. In this state, the carriage 3 may deliver the FOUP 9 to the predetermined rack unit 40 via the other third opening region 2c.
- the cart 3 does not deliver the FOUP 9 to the rack unit 40 via the first opening area 2a and the second opening area 2b.
- the transfer port 32 protrudes from the traveling unit 31 in the second direction D2, and the device port
- the traveling unit 31 stops at a portion corresponding to the second stop region 20b so that the transfer unit 32 is positioned on the first opening region 2a immediately above the eighth.
- the carriage 3 transfers the FOUP 9 to the device port 8 through the first opening region 2a by moving the holding unit 32a of the transfer unit 32 up and down.
- the traveling unit 31 stops at a portion shifted from the portion corresponding to the lattice in the second opening region 2b.
- the traveling unit 31 stops at portions extending over the portions corresponding to the two lattices adjacent to each other, and in this state, the carriage 3 may deliver the FOUP 9 to the device port 8.
- the storage unit 4 having a desired shape can be configured by appropriately combining a plurality of rack units 40, and the storage unit 4 is compared with the case where the entire storage unit 4 is configured by a single rack. The degree of freedom of installation of 4 can be improved.
- each rack unit includes a support member 42 that supports the mounting member 51, and the support member 42 is detachably suspended from the traveling rail 2. For this reason, the mounting member 51 can be easily disposed at an appropriate height.
- At least one of the plurality of rack units 40 is formed such that a plurality of placement units 50 on which the FOUP 9 is placed on the placement member 51 are arranged in a row, and Are arranged so that the direction in which the mounting portions 50 are arranged in a row is parallel to the first direction D1 or the second direction D2. For this reason, each of all the rack units 40 is arranged in a matrix (that is, arranged in a plurality of rows in both the first direction D1 and the second direction D2). Compared with the case where it is comprised so that it may respond
- each region surrounded by a pair of adjacent first rails 21 and a pair of adjacent second rails 22 is an opening region having a size that allows the FOUP 9 to pass in the vertical direction.
- the carriage 3 travels in a state where the FOUP 9 is held above the traveling rail 2 and delivers the FOUP 9 to the mounting member 51 via the third opening region 2c.
- action and effect of improving the freedom degree of installation of the storage part 4 can be show
- the mounting member 51 is a pair of beam-like members 41 that are spaced apart from each other. For this reason, since the FOUP 9 is placed on the pair of beam-like members 41, for example, compared with the case where the FOUP 9 is placed on a flat plate-like member, the air flow is prevented from being blocked by the rack unit 40. Can do. In particular, when the storage system 1 is used in a clean room, it is possible to suppress the obstruction of the vertical airflow for keeping the clean room clean. [Second Embodiment] [Storage system configuration]
- the traveling rail 2 ⁇ / b> A includes a plurality of first rail members 61, a plurality of second rail members 62, and a plurality of cross rail members 63.
- Each first rail member 61 extends linearly in the first direction D1.
- Each first rail member 61 forms a plurality of rows arranged at predetermined intervals along the first direction D1.
- Each row of the first rail members 61 is arranged in the second direction D2.
- Each second rail member 62 extends linearly in the second direction D2.
- Each second rail member 62 forms a plurality of rows arranged at a predetermined interval along the second direction D2.
- Each row of the second rail members 62 is arranged in the first direction D1.
- a gap between adjacent first rail members 61 in the row of first rail members 61 and a gap between adjacent second rail members 62 in the row of second rail members 62 are common. Yes.
- Each cross rail member 63 has a gap between adjacent first rail members 61 in the row of first rail members 61 (that is, between adjacent second rail members 62 in the row of second rail members 62). In the gap).
- a slit (gap) S1 is formed between each cross rail member 63 and the end of each first rail member 61 on both sides thereof.
- a slit (gap) S2 is formed between each cross rail member 63 and the end of each second rail member 62 on both sides thereof.
- the slits S1, S2 are formed to have a sufficiently small width with respect to the diameter of each wheel 36 of the carriage 3A.
- Each of the first rail member 61, the second rail member 62, and the cross rail member 63 is suspended from, for example, a ceiling.
- the plurality of first rail members 61 and the plurality of cross rail members 63 arranged along the first direction D1 constitute the first rail 21A.
- the plurality of second rail members 62 and the plurality of cross rail members 63 arranged along the second direction D2 constitute the second rail 22A. That is, the cross rail member 63 serves as both the first rail 21A and the second rail 22A, and constitutes a cross portion between the first rail 21A and the second rail 22A.
- the traveling rail 2A has a plurality of vertical and horizontal regions surrounded by a pair of first rails 21A adjacent to each other and a pair of second rails 22A adjacent to each other.
- the carriage 3A includes a traveling unit 31A and a transfer unit 32.
- the traveling portion 31A includes a main body portion 37A, four wheels 36A, and a wheel support arm 38A.
- Each wheel 36A is rotatably supported by a wheel support arm 38A provided so as to protrude upward from the main body portion 37A, and rolls on the tread surface 24a of the traveling rail 2A. That is, the main body portion 37A and the transfer portion 32 are suspended from the wheels 36A located on the traveling rail 2A below the traveling rail 2A via the wheel support arms 38A.
- the transfer part 32 since it is comprised similarly to the transfer part 32 which the trolley
- Each rack unit 40A includes a mounting member 51A, two pairs of support members 42A, and two connection members 43A that connect the lower ends of each pair of support members 42A.
- the rack unit 40A shown in FIGS. 6 and 7 is configured to correspond to one of the regions surrounded by a pair of first rails 21A adjacent to each other and a pair of second rails 22A adjacent to each other. ing.
- the mounting member 51A is provided at a height at which the carriage 3A can travel above the FOUP 9 without interfering with the FOUP 9 in a state where the FOUP 9 is mounted on the upper surface thereof.
- the mounting member 51A is a pair of beam-like members 41A spanned between two connection members 43A.
- a plurality (three in this case) of positioning pins 44A are provided on the upper surface of the mounting portion 50A of the beam-like member 41A.
- Each support member 42A is detachably suspended from the cross rail member 63.
- four support members 42 ⁇ / b> A are provided for each cross rail member 63, and each of these support members 42 ⁇ / b> A is provided with the mounting member 51 ⁇ / b> A of each rack unit 40 ⁇ / b> A provided on four sides of the cross rail member 63.
- Support each one As an example, a bracket 65 is provided below the cross rail member 63.
- a through hole is formed in the bracket 65 at a position corresponding to the upper end of each support member 42A.
- a screw hole is formed in the axial direction at the upper end of each support member 42A.
- Each rack unit 40A is fixed to the cross rail member 63 by fastening the bolts 66 inserted into the through holes in the bracket 65 into the screw holes in the support members 42A.
- Each rack unit 40 ⁇ / b> A is removed from the cross rail member 63 by removing each bolt 66 from the through hole.
- the configuration that allows the rack unit 40A to be attached to and detached from the traveling rail 2A is not limited to the above.
- the bracket 65 is provided with a locked portion, and a locking portion is provided at the upper end of each support member 42A.
- the rack 65 has a simple configuration in which each support member 42A is locked with respect to the bracket 65.
- the unit 40A may be attached to the traveling rail 2A.
- each support member 42A may be directly latched with respect to the cross rail member 63.
- the plurality of support members 42A provided on the same cross rail member 63 may be shared by the plurality of rack units 40A.
- the rack unit 40A includes a plurality of regions surrounded by a pair of adjacent first rails 21A and a pair of adjacent second rails 22A. It may be configured to correspond to a region.
- the rack unit 40A may be configured to correspond to a plurality of the regions arranged in a row in either the first direction D1 or the second direction D2.
- the rack unit 40A shown in FIGS. 8 and 9 is configured to correspond to the two regions arranged in a line in the second direction D2. [Dolly movement]
- each wheel 36A is slit when the carriage 3A travels in the first direction D1. It is possible to pass over S1, and each wheel 36A can pass over the slit S2 when the carriage 3A travels in the second direction D2.
- the wheel support arm 38A that supports the wheel 36A passes through the slit S2, while each wheel 36A passes through the cross rail member 63.
- the wheel support arm 38A that supports the wheel 36A passes through the slit S1. Therefore, the carriage 3A can travel on the traveling rail 2A without interfering with the traveling rail 2A.
- each support member 42A is suspended from the cross rail member 63, and the carriage 3A does not travel directly under the cross rail member 63, each support member 42A and the carriage 3A do not interfere with each other. Therefore, the carriage 3A can travel on the traveling rail 2A without interfering with the rack unit 40A.
- the carriage 3A is surrounded by a pair of first rails 21A adjacent to each other and a pair of second rails 22A adjacent to each other because the transfer portion 32 is located below the traveling rails 2A.
- the FOUP 9 is delivered to the rack unit 40A without passing through the area.
- each support member 42A is suspended from the cross rail member 63, which is an intersection of the first rail 21A and the second rail 22A.
- the carriage 3A travels while passing the FOUP 9 between the plurality of support members 42A in a state where the FOUP 9 is held below the traveling rail 2A. For this reason, even when the cart 3A travels below the traveling rail 2A, the operation and effect of improving the degree of freedom of installation of the storage unit 4 can be suitably achieved.
- the traveling rail 2A can be installed at a position close to the ceiling of the semiconductor manufacturing factory.
- the traveling rail 2A can be installed at a position higher than the traveling rail 2 of the first embodiment.
- the semiconductor processing apparatus 10 having a relatively high height (for example, a semiconductor taller than the height at which the traveling rail 2 of the first embodiment is installed).
- the processing device 10 can be installed below the traveling rail 2A.
- the FOUP 9 is formed on the traveling rail 2 in order for the carriage 3 to deliver the FOUP 9 to the device port 8 below the traveling rail 2. It is necessary to pass through the first opening region 2a. For this reason, there is a restriction that the position of the first opening region 2a in the traveling rail 2 must be matched to the layout of the device port 8 arranged below the first opening region 2a.
- the traveling rail 2A of the second embodiment since there is no such restriction, the traveling rail 2A can be freely installed regardless of the layout of the device port 8 disposed below the traveling rail 2A. In other words, the degree of freedom of layout of the device port 8 disposed below the traveling rail 2A can be improved.
- each rack unit 40 only needs to be configured to correspond to at least one third opening region 2c, and each of all the rack units 40 has one third opening region 2c. You may be comprised so that it may respond
- each of the rack units 40 configured to correspond to 2c has a plurality of m ⁇ n (m and n are integers of 2 or more) arranged in a matrix in the first direction D1 and the second direction D2.
- the one traveling rail 2 means the traveling rail 2 which comprises the range in which each trolley
- the plurality of first rails 21 and 21A and the plurality of second rails 22 and 22A are not limited to the same horizontal plane, for example, arranged on the same inclined plane. May be. Further, the storage system 1, 1 ⁇ / b> A may not have a plurality of carriages 3, 3 ⁇ / b> A, and may have only one.
- the projecting portion 33 of the carriage 3 may project the transfer portion 32 from the running portion 31 in either the first direction D1 or the second direction D2. That is, the protrusion part 33 should just project the transfer part 32 from the running part 31 in at least one direction of the first direction D1 and the second direction D2.
- the projecting portion 33 includes a slide mechanism for moving the transfer portion 32 forward and backward, and the slide mechanism causes the transfer portion 32 to project from the traveling portion 31 in either the first direction D1 or the second direction D2.
- the protrusion 33 rotates the arm extending in the horizontal direction from the traveling unit 31 around the central axis on the traveling unit 31 to rotate the transfer unit 32 held on the tip side of the arm.
- a swing mechanism may be included, and the transfer unit 32 may be protruded from the traveling unit 31 in either the first direction D1 or the second direction D2 by the swing mechanism. Moreover, the protrusion part 33 may remain in a state in which the transfer part 32 is always protruded from the traveling part 31 in either the first direction D1 or the second direction D2.
- rack units 40 and 40A may be provided below the second stop area 20b. In this case, the carriages 3 and 3A travel to a portion corresponding to the second stop area 20b. In a state where the units 31 and 31A are stopped, the FOUP 9 is not delivered to the rack units 40 and 40A.
- a plurality of (for example, two) rack units 40 and 40A provided adjacent to each other share the support members 42 and 42A on the adjacent sides. Also good. That is, for example, in the second embodiment, one (single) support member 42A may be suspended from the cross rail member 63, and the support member 42A may be shared by a plurality of rack units 40A.
- the article stored by the storage system of one embodiment of the present invention is not limited to the FOUP 9 in which a plurality of semiconductor wafers are stored, and may be other containers in which glass wafers, reticles, or the like are stored.
- the storage system of one embodiment of the present invention is not limited to a semiconductor manufacturing factory, and can be applied to other facilities.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
Description
[第1実施形態]
[保管システムの構成]
[走行レール及びラックユニットの構成]
[ラックユニットの載置面の位置関係]
[保管システムにおける台車の動作例]
[作用及び効果]
[第2実施形態]
[保管システムの構成]
[台車の動作]
[作用及び効果]
[変形例]
Claims (6)
- 第1方向に延在する複数の第1レール及び前記第1方向に直交する第2方向に延在する複数の第2レールを有し、複数の前記第1レール及び複数の前記第2レールが同一の平面上に格子状に配置されることにより、互いに隣り合う1対の前記第1レールと互いに隣り合う1対の前記第2レールとによって囲まれた領域を縦横に複数形成する走行レールと、
前記走行レールを前記第1方向及び前記第2方向のそれぞれの方向に走行する走行部、並びに、物品の保持及び昇降を行う移載部を有する台車と、
前記走行レールの下側に設けられ、前記物品が載置される保管部と、を備え、
前記台車は、前記保管部に対し、前記物品の受け渡しを行い、
前記保管部は、互いに隣接する複数のラックユニットを有し、
複数の前記ラックユニットのそれぞれは、前記物品が載置される載置部材を含むと共に前記載置部材が前記領域の直下に位置するように設けられ、且つ、前記走行レールに対して着脱可能である、保管システム。 - 複数の前記ラックユニットのそれぞれは、前記走行レールから着脱可能に吊り下げられ且つ前記載置部材を支持する支持部材を含む、請求項1に記載の保管システム。
- 複数の前記ラックユニットのうちの少なくとも1つは、前記載置部材において前記物品が載置される複数の載置部が1列に並ぶように形成されており、複数の前記載置部が1列に並ぶ方向が前記第1方向又は前記第2方向に平行となるように設けられる、請求項2に記載の保管システム。
- 複数の前記領域のそれぞれは、前記物品が上下方向に通過し得る大きさを有する開口領域を形成しており、
前記台車は、
前記物品を前記走行レールよりも上側で保持して走行し、
前記載置部材に対し、前記開口領域を介して前記物品の受け渡しを行う、請求項1~3のいずれか一項に記載の保管システム。 - 複数の前記支持部材のそれぞれは、前記第1レールと前記第2レールとの交差部分から吊り下げられ、
前記台車は、前記物品を前記走行レールよりも下側で保持した状態で、当該物品を複数の前記支持部材の間を通過させて走行する、請求項2又は3に記載の保管システム。 - 前記載置部材は、互いに間隔を空けて設けられた1対の梁状部材である、請求項1~5のいずれか一項に記載の保管システム。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP18801638.0A EP3637459B1 (en) | 2017-05-19 | 2018-04-17 | Storing system |
KR1020197032416A KR102302099B1 (ko) | 2017-05-19 | 2018-04-17 | 보관 시스템 |
US16/612,924 US11171027B2 (en) | 2017-05-19 | 2018-04-17 | Storing system |
CN201880029757.XA CN110603632B (zh) | 2017-05-19 | 2018-04-17 | 保管系统 |
JP2019519139A JP6705556B2 (ja) | 2017-05-19 | 2018-04-17 | 保管システム |
IL270597A IL270597B (en) | 2017-05-19 | 2019-11-12 | storage system |
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JP2017100262 | 2017-05-19 | ||
JP2017-100262 | 2017-05-19 |
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WO2018211898A1 true WO2018211898A1 (ja) | 2018-11-22 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2018/015894 WO2018211898A1 (ja) | 2017-05-19 | 2018-04-17 | 保管システム |
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US (1) | US11171027B2 (ja) |
EP (1) | EP3637459B1 (ja) |
JP (1) | JP6705556B2 (ja) |
KR (1) | KR102302099B1 (ja) |
CN (1) | CN110603632B (ja) |
IL (1) | IL270597B (ja) |
TW (1) | TWI734915B (ja) |
WO (1) | WO2018211898A1 (ja) |
Cited By (2)
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WO2021090543A1 (ja) * | 2019-11-07 | 2021-05-14 | 村田機械株式会社 | 搬送システム及びグリッドシステム |
EP4032774A4 (en) * | 2019-09-18 | 2023-10-18 | Murata Machinery, Ltd. | CONVEYOR SYSTEM AND STORAGE UNIT |
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KR20190137124A (ko) | 2019-12-10 |
TW201900532A (zh) | 2019-01-01 |
KR102302099B1 (ko) | 2021-09-13 |
CN110603632B (zh) | 2023-03-14 |
EP3637459A4 (en) | 2021-01-20 |
IL270597B (en) | 2022-06-01 |
JPWO2018211898A1 (ja) | 2020-01-16 |
US20200203203A1 (en) | 2020-06-25 |
EP3637459B1 (en) | 2021-12-22 |
CN110603632A (zh) | 2019-12-20 |
US11171027B2 (en) | 2021-11-09 |
JP6705556B2 (ja) | 2020-06-03 |
TWI734915B (zh) | 2021-08-01 |
EP3637459A1 (en) | 2020-04-15 |
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