WO2008029557A1 - Board storage container and check valve - Google Patents
Board storage container and check valve Download PDFInfo
- Publication number
- WO2008029557A1 WO2008029557A1 PCT/JP2007/064441 JP2007064441W WO2008029557A1 WO 2008029557 A1 WO2008029557 A1 WO 2008029557A1 JP 2007064441 W JP2007064441 W JP 2007064441W WO 2008029557 A1 WO2008029557 A1 WO 2008029557A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- valve
- fixing
- storage container
- check valve
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H01L21/6735—Closed carriers
- H01L21/67389—Closed carriers characterised by atmosphere control
- H01L21/67393—Closed carriers characterised by atmosphere control characterised by the presence of atmosphere modifying elements inside or attached to the closed carrierl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/38—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for delicate optical, measuring, calculating or control apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7904—Reciprocating valves
- Y10T137/7922—Spring biased
- Y10T137/7929—Spring coaxial with valve
Definitions
- the present invention relates to a substrate storage container for storing a precision substrate such as a semiconductor wafer and mask glass and used for transportation, transportation, storage, and the like, and a check valve attached to the substrate storage container.
- FIG. 16 is an exploded perspective view showing a check valve in a conventional substrate storage container.
- a through hole 51a is formed in the wall body 51 of the container body for storing the substrate, and a check valve 52 used for gas purge is formed in the through hole 51a.
- the check valve 52 includes a valve body 53 having an annular sealing surface, and a cylindrical housing 54 that accommodates the valve body 53.
- the housing 54 has a holding cylinder 55 disposed on the inner surface side of the container body and a fixed cylinder 56 disposed on the outer surface side of the container body.
- the housing 54 is disposed on the outer surface side of the holding cylinder 55 and on the inner surface side of the fixed cylinder 56.
- the holding cylinder 55 and the fixed cylinder 56 are arranged so as to sandwich the wall body 51, and screwed together to form the housing 54 and fix it to the wall body.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-146676
- Patent Document 2 Japanese Patent Application Laid-Open No. 2004-179449
- Patent Document 3 Japanese Patent Laid-Open No. 2002-521189
- the present invention has been made in order to solve such problems, and includes a check valve and a check valve that simplify assembly work that does not require management of tightening torque.
- An object of the present invention is to provide a substrate storage container.
- a substrate storage container includes a container main body for storing a substrate, a cylindrical housing, and a check valve that controls a gas flow to the inside and outside of the container main body with a valve body disposed in the housing.
- the inner side of the container body is the front end side
- the check valve is mounted on the rear end side and can rotate relative to the housing.
- a fixing ring for fixing the housing to the container body from the rear.
- the housing includes a first housing disposed on the distal end side, and a distal end portion inserted into the first housing.
- the ring includes a cylindrical side wall portion mounted on the outer side of the first housing, and a flange portion projecting outward from the side wall portion.
- An inner circumferential surface of the side wall portion has an axial direction.
- a guide recess extending to guide the fixed claw, a rotation stopper projecting inward and capable of contacting the fixed piece, and bent in the circumferential direction from the rotation stopper and locked to the fixed piece.
- the special feature is that a hook is provided.
- the inner surface side of the container main body is the front end side, and the check valve for controlling the flow of gas to the inside and outside of the container main body is provided.
- a first housing disposed on the front end side and a second housing disposed on the rear end side are provided.
- the substrate storage container is mounted from the rear of the housing and is rotatable relative to the housing, and includes a fixing ring for fixing the check valve to the container body.
- the check valve can be fixed to the container body by the fixing ring. It is not necessary to manage the tightening torque that does not need to be fixed with screws as before.
- the check valve can be securely fixed to the container body by pushing the fixing ring.
- the fixing ring since the fixing ring includes a flange portion that protrudes outward, the check valve can be stably fixed by bringing the flange portion into contact with the container body.
- the fixing ring since the fixing ring includes a guide recess for guiding the fixing claw in the axial direction on the cylindrical side wall mounted on the outside of the first housing, the fixing ring can be smoothly moved to the first housing. It is possible to improve the efficiency of assembly work.
- the hook portion of the fixing ring can be locked to the fixing piece of the housing by attaching the fixing ring to the fixing piece and rotating the fixing ring with respect to the housing.
- the check valve includes a positioning portion that positions the second housing with respect to the first housing, and a locking portion that locks the second housing with respect to the first housing. It is preferable to provide more.
- the second housing can be positioned with respect to the first housing by the positioning portion, and the second housing can be locked with respect to the first housing by the locking portion. Therefore, when the first housing and the second housing are assembled, it is possible to simplify the assembling work that does not require screw connection as before.
- the second housing includes a folded flange portion that is folded from the tip end side and contacts the inner peripheral surface of the first housing over the entire circumference, and the locking portion is the inner peripheral surface of the first housing. It is preferable to have a locking recess formed on the second housing, and a locking protrusion formed on the folded flange portion of the second housing to engage with the locking recess.
- the force S can be engaged with the stop protrusion. Therefore, it is possible to simplify the assembly work.
- the positioning portion is a positioning recess that is formed at the rear end of the first housing and is engaged with the positioning recess that is formed at the folded flange portion of the second housing. It is preferable to provide the convex part for ridges. Accordingly, the positioning of the second housing relative to the first housing is achieved by the positioning recess formed at the rear end of the first housing and the positioning protrusion formed at the folded flange portion of the second housing. It can be carried out.
- the valve body is formed in a columnar shape, and has one end portion formed with an annular seal surface and an annular collar portion formed with an annular urging surface urged by an urging means. And the other end formed in the radial direction with a gas vent that allows gas to flow, the annular sealing surface and the annular urging surface being substantially concentric, and the outer diameter of the annular urging surface Is preferably greater than or equal to the outer diameter of the annular sealing surface.
- the outer diameter of the annular urging surface urged by the urging means is equal to or larger than the outer diameter of the annular sealing surface of the valve body, so that the valve body is prevented from tilting and gas is reliably sealed. Can do.
- the other end on the side opposite to the one end on which the seal surface is formed is formed with a gas vent that allows gas flow in the radial direction, so the other end is a flat surface. Even in the case of contact with the gas, the gas can be circulated in the gas vent recess. Therefore, an unnecessary sealing surface is not formed on the side opposite to the sealing surface.
- this linear contact portion is used as the urging surface, and the diameter of this linear contact portion is set to “outside of urging surface”. Diameter ”.
- the check valve according to the present invention is a check valve that is inserted into a through hole of a container body of a substrate storage container that stores a substrate, and controls the flow of gas to and from the inside and outside of the substrate storage container.
- a cylindrical housing mounted in the through-hole, a valve body accommodated in the housing, and a rear end side of the housing that can be rotated relative to the housing.
- a fixing ring for fixing the housing to the container body from the rear.
- the housing includes a first housing disposed on the distal end side, and a distal end portion inserted into the first housing, A first housing having a fixing piece protruding rearward from the rear end portion, and a fixing claw formed at the rear end portion of the fixing piece for fixing the fixing ring,
- the fixing ring is 1 includes a cylindrical side wall portion mounted on the outer side of the housing 1 and a flange portion projecting outward from the side wall portion.
- the inner peripheral surface of the side wall portion extends in the axial direction and guides the fixing claw.
- a guide recess an inward protrusion that protrudes inward and made contactable with the fixed piece, and is bent in the circumferential direction from the anti-rotation part to engage with the fixed piece. It is characterized by the fact that a hook part to be stopped is provided! /.
- the inner surface side of the container main body is the front end side
- the cylindrical housing includes the first housing disposed on the front end side and the second housing disposed on the rear end side.
- a housing disposed on the rear end side
- the check valve is mounted from the rear of the housing and is rotatable relative to the housing, and includes a fixing ring for fixing the housing to the container body.
- the fixing ring since the fixing ring includes a flange portion that protrudes outward, the check valve can be stably fixed by bringing the flange portion into contact with the container body.
- the fixing ring since the fixing ring has a guide recess for guiding the fixing claw in the axial direction on the cylindrical side wall portion mounted on the outside of the first housing, the fixing ring can be smoothly attached to the first housing. It can be installed, improving the efficiency of assembly work.
- on the inner peripheral surface of the side wall of the fixing ring there is a rotation stopper projecting inwardly so as to be able to come into contact with the fixed piece, and a hook portion bent in the circumferential direction from the rotation stopper and locked to the fixed piece. Since the fixing ring is attached to the fixing piece and the fixing ring is rotated with respect to the housing, the hook S of the fixing ring is locked to the fixing piece of the housing.
- the check valve includes a positioning portion that positions the second housing with respect to the first housing, and a locking portion that locks the second housing with respect to the first housing. It is preferable to provide more.
- the second housing can be positioned with respect to the first housing by the positioning portion, and the second housing can be locked with respect to the first housing by the locking portion. Therefore, when the first housing and the second housing are assembled, it is possible to simplify the assembling work that does not require screw connection as before.
- FIG. 1 is an exploded perspective view showing a substrate storage container including an air supply valve and an exhaust valve according to an embodiment of the present invention.
- FIG. 2 is a bottom view of the substrate storage container shown in FIG. 1.
- FIG. 3 is an exploded perspective view showing an air supply valve in FIG. 1.
- FIG. 4 is a cross-sectional view showing an air supply valve in a closed state.
- FIG. 5 is a cross-sectional view showing an air supply valve in an open state.
- FIG. 6 is a filj view of the housing in FIG.
- FIG. 7 is a plan view of the housing shown in FIG.
- FIG. 8 is a bottom view of the housing shown in FIG.
- FIG. 9 is a bottom view showing the housing in a state where the fixing ring is locked.
- FIG. 10 is a bottom view showing the housing in a state where the fixing ring is not locked.
- FIG. 11 is a side view showing the valve body in FIG. 3.
- FIG. 12 is an exploded perspective view showing the exhaust valve in FIG. 1.
- FIG. 13 is a cross-sectional view showing an exhaust valve in a closed state.
- FIG. 14 is a cross-sectional view showing an exhaust valve in an open state.
- FIG. 15 is a side view showing the valve body in FIG. 12.
- FIG. 16 is an exploded perspective view showing a check valve in a conventional substrate storage container.
- Valve storage cylinder (second housing), 14a ... Folded flange, 14b ... Locking protrusion (locking), 14c ... Positioning projection ( Positioning part), 17 ... Compression coil spring (biasing means), 18a ... Ring seal surface, 19 ... Fixing ring, 19a ... Side wall part, 19b ... Flange part, 19c ... Guide recess, 19d ... Non-rotating part , 19e ... Hook part.
- FIG. 1 is an exploded perspective view showing a substrate storage container provided with an air supply valve and an exhaust valve according to an embodiment of the present invention
- FIG. 2 is a bottom view of the substrate storage container shown in FIG.
- the substrate storage container 1 shown in Fig. 1 accommodates a plurality of (for example, 25, 26) semiconductor wafers (substrate: not shown) having a diameter of, for example, 300 mm (about 12 inches) for transportation and transportation. It is a substrate storage container used for storage.
- the substrate storage container 1 is of a so-called front open box type, and includes a container body 2 that stores a substrate and a lid body 4 that covers an opening provided in the container body 2. Further, in this specification, the surface in which the opening is formed (the surface on which the lid 4 is disposed) is defined as the “front surface of the container body 2”, and the directions such as “front”, “rear”, “left”, “right”, etc. The word representing is used.
- the container body 2 has a box shape, and an opening for taking in and out the substrate is formed on the left side of the figure.
- a plurality of (two in this embodiment) through-holes 2d penetrating inside and outside are formed in the bottom wall 2c of the container body 2 (see FIG. 3). Cylindrical ribs 10 are formed on the periphery of these through holes 2d so as to protrude downward.
- a robotic handle 2 b for carrying the ceiling is installed on the top plate of the container body 2.
- the lid 4 closes the opening via a sealing gasket that seals between the container body 2 and the lid 4.
- the lid 4 has a built-in latch mechanism that is locked to the opening of the container body 2.
- An operation hole 4a into which an operation key for operating the latch mechanism is inserted is formed on the front side of the lid 4 (the outer surface side of the substrate storage container). By inserting the operation key into this operation hole 4a and rotating it by ⁇ 90 degrees, the force C can be moved from the lid body 4 to the container body 2 side. Insert the operation key and rotate it 90 degrees counterclockwise, so that the latching claw of the latch mechanism protrudes from the container body 2 side and immerses into the lid 4 side As a result, the lid 4 can be removed from the container body 2.
- the lid body 4 when attaching the lid body 4 to the container body 2, attach the lid body 4 with the locking claws inserted thereinto to the container body 2 and rotate the operation key 90 degrees clockwise to engage the latch mechanism.
- the lid 4 can be locked to the container body 2 by projecting the pawl.
- a retainer is provided on the back surface side of the lid 4 (the outer surface side of the substrate storage container) to support a plurality of substrates arranged horizontally in the vertical direction.
- a bottom plate 7 is fixed to the outer surface side of the bottom wall 2c (bottom portion) of the container body 2.
- the bottom plate 7 covers the bottom wall 2c from the outer surface side, and has a positioning member 7a for positioning to a processing apparatus or the like to which the substrate storage container 1 is applied.
- the bottom plate 7 is formed with an opening 7b for exposing the air supply valve 8 and the exhaust valve 9 to the outside.
- the opening 7b is formed at a position corresponding to the through hole 2d of the container body 2.
- the substrate storage container 1 includes the supply valve 8 and the exhaust valve 9 that control the flow of gas to and from the inside and outside of the container body 2.
- the air supply valve 8 and the exhaust valve 9 are used when the gas in the substrate storage container 1 is replaced, and the air supply valve 8 is used on the supply side used when supplying the gas inside.
- the exhaust valve 9 functions as an on-off valve, and functions as a discharge-side on-off valve used when discharging gas to the outside.
- FIG. 3 is an exploded perspective view showing the air supply valve in FIG. 1, FIG. 4 is a cross-sectional view showing the air supply valve in the closed state, FIG. 5 is a cross-sectional view showing the air supply valve in the open state, and FIG. 3 is a side view of the housing in FIG. 3, FIG. 7 is a plan view of the housing shown in FIG. 6, FIG. 8 is a bottom view of the housing shown in FIG. 6, and FIG. FIG. 10 is a bottom view showing the housing in a state where the fixing ring is not locked, FIG.
- FIG. 11 is a side view showing the valve body in FIG. 3, and FIG. 12 is an exhaust in FIG.
- FIG. 13 is a cross-sectional view showing the exhaust valve in the closed state
- FIG. 14 is a cross-sectional view showing the exhaust valve in the open state
- FIG. 15 is a side view showing the valve body in FIG. is there.
- the inner surface side of the container body 2 is the front end side.
- the check valves 8 and 9 include a cylindrical housing 11 as shown in FIGS. 3 to 6 and FIGS. 12 to 14.
- the housing 11 is fixed at the front end side and fixed to the bottom wall 2c.
- a cylinder (first housing) 12 and a valve body storage cylinder (second housing) 14 that is disposed on the rear end side and stores the valve bodies 13 and 23 are provided.
- the valve body storage cylinder 14 stores the valve body 13 in the supply valve 8 and the valve body 23 in the exhaust valve 9.
- the housing 11 includes a circular filter 15, a filter retainer 16 that presses the filter 15, a compression coil spring (biasing means) 17 that biases the valve bodies 13 and 23, an O-ring 18, Contains 21.
- the check valves 8 and 9 include a fixing ring 19 for fixing the housing 11 to the container body 2.
- the difference between the supply valve 8 and the exhaust valve 9 is that the valve bodies 13 and 23 are different from the arrangement of the O-ring 18, the valve bodies 13 and 23, and the compression coil spring 17.
- the fixed cylinder 12 has a cylindrical shape, and a plurality of windows surrounded by a lattice-like window frame 12a are formed at one end (tip) of the fixed cylinder 12 as shown in FIG. Has been.
- One end portion on which the lattice-like window frame 12a is formed is disposed on the inner surface side of the container body 2.
- gas flows into the container body 2 through this window, and in the exhaust valve 9, gas flows out of the container body 2 through this window.
- a flange portion 12b protruding outward is formed over the entire circumference!
- a plurality of locking recesses 12d are formed on the inner peripheral surface of the cylindrical side wall 12c of the fixed cylinder 12.
- the locking recess 12d is engaged with a locking projection (locking portion) 14b described later of the valve body storage cylinder 14.
- a groove portion 12f for mounting the O-ring 20 is formed on the outer surface of the side wall 12c along the base of the flange portion 12b.
- a plurality of positioning recesses (notches) 12e are formed on the other end (rear end) of the side wall 12c of the fixed cylinder 12.
- the positioning recess 12e is formed so as to be recessed forward from the rear end of the side wall 12c.
- a plurality of (four in this embodiment) fixing pieces 12g projecting rearward are formed on the other end of the side wall 12c of the fixing cylinder 12.
- the fixed pieces 12g are arranged at regular intervals in the circumferential direction.
- a fixing claw 12i protruding outward in the radial direction is provided at the rear end of the fixing piece 12g.
- the fixing piece 12g has flexibility, and the fixing claw 12i locks the fixing ring 19 from the inside.
- the filter 15 is disposed on one end side in the fixed cylinder 12, and contaminates the container body 2. It prevents quality intrusion.
- the filter 15 include a molecular filtration filter formed of tetrafluoroethylene, polyester fiber, porous Teflon membrane (registered trademark, trade name, porous fluororesin membrane), glass fiber, activated carbon fiber, etc. And a chemical filter in which a chemical adsorbent is supported on the filter medium.
- One filter 15 or a plurality of filters 15 may be used.
- a plurality of types of filters 15 may be used. For example, by combining a molecular filtration filter and a chemical filter, particle contamination of the substrate in the container body 2 can be prevented, and in addition, the force S can be prevented to prevent contamination by organic gas.
- the filter retainer 16 has a disc portion 16a and a cylindrical portion 16b extending outward (rearward) from the disc portion 16a.
- the disk portion 16a is substantially the same size as the filter 15, and presses the filter 15 against the window frame 12a of the fixed cylinder 12 from the inside.
- the disk portion 16a and the cylindrical portion 16b are arranged coaxially, and a plurality of through holes 16c are formed at the base of the cylindrical portion 16b in the disk portion 16a so as to penetrate in the plate thickness direction of the disk portion 16a. .
- the gas passing through the housing 11 passes through the through hole 16c. Note that the inside of the cylindrical portion 16b is closed so that gas cannot pass therethrough.
- the valve bodies 13 and 23 are formed in a columnar shape, and annular grooves are formed on one end surfaces 13a and 23a, and an O-ring 18 is attached. .
- the O-ring 18 protrudes outward from one end surfaces 13a and 23a of the valve bodies 13 and 23 in a state where the O-ring 18 is mounted on the valve bodies 13 and 23.
- the O-ring 18 forms an annular seal surface 18a.
- the other end faces 13b and 23b of the valve bodies 13 and 23 are provided with gas vent recesses 13c and 23c in the radial direction that allow gas flow.
- annular collar portions 13e, 23e projecting outward are formed on the peripheral surfaces of the valve bodies 13, 23, annular collar portions 13e, 23e projecting outward are formed. Surfaces on the other end portions 13b and 23b side of the annular collar portions 13e and 23e form annular urging surfaces 13f and 23f that are urged by the compression coil springs 17, respectively.
- the valve bodies 13, 23, the compression coil spring 17, and the O-ring 18 are arranged on substantially the same axis L, and the outer diameter D1 of the annular urging surfaces 13f, 23f is the outer diameter of the annular sealing surface 21a. The diameter is larger than D2.
- a plurality of guide ribs 13g, 23g protruding toward the annular collar portions 13e, 23e are provided on the peripheral surfaces of the valve bodies 13, 23 so as to be equally spaced in the circumferential direction.
- This guide The flanges 13g and 23g are formed so as to intersect the peripheral surfaces of the valve bodies 13 and 23 and the annular collar portion 13e, and form a triangle in side view, and the annular collar portions 13e, 13e, It is installed in 23e so as to increase its directional force and radial direction. Since the compression coil spring 17 can be guided by the guide ribs 13g and 23g, the compression coil spring 17 can be easily arranged coaxially with the valve body 13.
- valve element 13 is formed with a circular opening 13d extending in the axial direction from the other end 13b.
- the cylindrical portion 16b of the filter holder 16 is inserted into the opening 13d.
- valve body 23 is formed with a circular opening 23d extending in the axial direction from the opposite end 23a.
- the cylindrical portion 16b of the filter holder 16 is inserted into the opening 23d.
- the valve body storage cylinder 14 has a cylindrical shape and is sized to accommodate the valve bodies 13 and 23.
- valve body storage cylinder 14 has a folded flange portion 14 a that is folded from one end portion (tip portion) and contacts the inner peripheral surface of the fixed tube 12 over the entire circumference. That is, the folded flange portion 14a is inserted into the fixed cylinder 12, and the outer peripheral surface force of the folded flange portion 14a contacts the inner peripheral surface of the side wall 12c of the fixed cylinder 12.
- a locking projection 14b is provided on the outer peripheral surface of the folded flange portion 14a at a position corresponding to the locking recess 12d of the fixed cylinder 12 (see FIG. 6). .
- the locking projection 14b protrudes outward from the folded flange portion 14a and is configured to be engageable with the locking recess 12d.
- the locking recess 12d of the fixed cylinder 12 and the locking projection 14b of the valve body storage cylinder 14 constitute a locking portion of the present invention that locks the valve body storage cylinder 14 with respect to the fixed cylinder 12.
- a positioning convex portion 14c that engages with the positioning concave portion 12e of the fixed cylinder 12 is provided at the rear end portion of the folded flange portion 14a.
- the positioning convex portion 14c is L-shaped in a side view, protrudes rearward from the rear end portion of the folded flange portion 14a, and protrudes outward from the rear end.
- the positioning recess 12e of the fixed cylinder 12 and The positioning convex portion 14c of the valve body storage cylinder 14 constitutes a positioning portion of the present invention that positions the valve body storage cylinder 14 with respect to the fixed cylinder 12.
- the inner surface of the collar portion 14d is a flat surface.
- an opening force gas surrounded by the flange portion 14 d becomes a vent hole 14 e through which gas passes.
- gas flows into the housing 11 through the vent 14 e, and in the exhaust valve 9, gas flows out of the housing 11 through the vent 14 e.
- the fixing ring 19 has a cylindrical side wall portion 19a and a flange portion 19b protruding outward from the rear end of the side wall portion 19a.
- the inner diameter of the side wall 19a is slightly larger than the outer diameter of the side wall 12c of the fixed cylinder 12, and the side wall 19a is configured to be mounted on the outer side of the side wall 12c of the fixed cylinder 12.
- the fixing ring 19 is attached to the fixed cylinder 12 from the rear.
- a guide recess 19c that guides the fixing claw 12i when the fixing ring 19 is attached to the fixed cylinder 12 is formed on the inner surface of the side wall 19a.
- the guide recess 19c extends in the axial direction at a position corresponding to the fixed claw 12i.
- the guide recess 19 c has an inclined surface in the vicinity of the rear end of the fixing ring 19. This inclined surface is inclined inward as it is directed backward.
- the fixing claw 12i passes through the inclined surface, the fixing claw 12i protrudes from the rear end of the fixing ring 19, and the fixing piece 12g is restored. At this time, the fixed ring 19 is locked inward by the fixed claw 12i, and the rearward movement of the fixed ring 19 is restricted.
- the guide recess 19c is arranged at a position overlapping the fixed claw 12i.
- the collar portion 19b is formed over the entire circumference so as to face the collar portion 12b of the fixed cylinder 12.
- the housing 11 can be fixed to the container body 2 by sandwiching the collar portion 12b of the fixing ring 19 and the flange portion 12b and force S of the fixing cylinder 12, the bottom wall 2c of the container body 2 and the rib 10.
- the fixing ring 19 protrudes inward and includes fixing pieces 12g. It has a surrounding stop portion 19d that can be contacted.
- the rotation stopper 19d has a plate shape, and a plurality of stoppers 19d are provided so as to correspond to the fixed pieces 12g of the fixed cylinder 12.
- the fixing ring 19 has a hook portion 19e that is bent in the circumferential direction (left direction in the present embodiment) from the anti-rotation portion 19d and is locked to the fixing piece 12g.
- the hook portion 19e has a plate shape, is bent from the end portion of the anti-rotation portion 19d, and extends in the circumferential direction.
- the hook portion 19e has a protrusion corresponding to the width of the fixed piece 12g in the circumferential direction and capable of engaging the fixed piece 12 from the inside.
- the fixing piece 12g is sandwiched between the side wall portion 19a and the hook portion 19e in the radial direction, and in the circumferential direction, the anti-rotation portion 19d and the hook portion 19e. It is sandwiched between.
- the check valves 8 and 9 include, for example, resins such as polycarbonate, polystyrene, polyethylene, cycloolefin polymer, polyacetal, and polyetherimide, and are appropriately selected from these resins.
- the check valves 8 and 9 are preferably formed.
- the fixed cylinder 12 and the valve body storage cylinder 14 constituting the housing 11 are preferably formed of a transparent resin so that the internal state can be confirmed.
- the materials of the O-rings 18, 20 and 21 include various thermoplastics such as rubbers such as melamine rubber, isoprene rubber, butinole rubber, silicone rubber and fluoro rubber, polyester-based thermoplastic elastomer, and polyolefin-based elastomer.
- examples of the material of the compression coil spring 17 include metals such as stainless steel and resins.
- a coating using a resin component such as PEEK or an elastomer component is used on the metal surface to prevent contamination of the container body 2 due to the metal component. It is preferable to apply a conventional coating or a diamond-like coating.
- the valve body 13 to which the compression coil spring 17 and the O-ring 18 are attached is connected to the finlet. Place it on the presser foot 16. Specifically, the compression coil spring 17 is disposed between the filter retainer 16 and the valve body 13, and the cylindrical portion 16 b of the filter retainer 16 is inserted into the opening 13 d of the valve body 13.
- valve body 23 to which the O-ring 18 is attached and the compression coil spring 17 are disposed on the fin presser 16. Specifically, the cylindrical portion 16b of the filter retainer 16 is inserted into the opening 23d of the valve body 23, and the compression coil spring 17 is mounted from the other end 23b side of the valve body 23.
- valve body storage cylinder 14 to which the O-ring 21 is attached is prepared and attached to the fixed cylinder 12. Specifically, as shown in FIG. 6, the positioning convex portion 14c of the valve body storage cylinder 14 is aligned with the positioning concave portion 12e of the fixed cylinder 12, and the valve body storage cylinder 14 is pushed into the fixed cylinder 12. The locking projection 14b of the valve body storage cylinder 14 is fitted into the locking recess 12d of the fixed cylinder 12. The outer peripheral surface force of the folded flange 14a of the valve body storage cylinder 14 comes into contact with the inner peripheral surface of the side wall 12c of the fixed cylinder 12. Further, the disk portion 16 a of the filter 15 and the filter retainer 16 is pressed against the window frame 12 a of the fixed cylinder 12 and fixed by one end of the valve body storage cylinder 14.
- one end of the compression coil spring 17 abuts on the disk portion 16 a of the filter retainer 16, and the other end of the compression coil spring 17 is the valve body. 13 is in contact with the annular collar 13b.
- the valve body 13 is urged by a compression coil spring 17, and an O-ring 18 attached to the valve body 13 is pressed against the inner surface of the collar portion 14 d of the valve body storage cylinder 14.
- the sealing surface by the O-ring 18 is formed larger than the outer diameter of the vent hole 14e so as to surround the vent hole 14e of the valve body storage cylinder 14. Thereby, the sealed state of the container body 2 can be maintained.
- one end portion of the compression coil spring 17 abuts on the annular flange portion 23b of the valve body 23, and the other end portion of the compression coil spring 17 is the valve end.
- the body storage tube 14 is in contact with the inner surface of the collar portion 14d.
- the valve body 23 is urged by the compression coil spring 17, and the O-ring 18 attached to the valve body 23 is pressed against the disk portion 16 b of the filter retainer 16.
- the sealing surface by the O-ring 18 is formed larger than the outside of the plurality of through holes 16c so as to surround the outside of the plurality of through holes 16c of the filter retainer 16. Thereby, the sealed state of the container body 2 can be maintained.
- vent hole 14e of the exhaust valve 9 can be formed larger than the vent hole 14e of the air supply valve 8. This facilitates the distinction between the supply valve 8 and the exhaust valve 9.
- the cleaning liquid enters the valve body storage cylinder 14 at the time of cleaning.Therefore, by increasing the vent 14e, drainage after washing and drying efficiency can be improved. Ability to lift up with S
- the O-ring 20 is attached to the groove 12 f of the fixed cylinder 12.
- the fixed cylinder 12 is attached to the through hole 2 d of the bottom wall 2 c of the container body 2.
- the other end of the fixed cylinder 12 is inserted into the through hole 2d from the inner surface side of the container body 2.
- the collar portion 12 of the fixed cylinder 12 is brought into contact with the peripheral edge of the through hole 2d.
- the fixing claw 12i of the fixing cylinder 12 is in a state of protruding outward from the rib 10.
- the fixing ring 19 is attached to the fixing claw 12 i of the fixing cylinder 12 from the outer surface side of the container body 2. Specifically, as shown in FIG. 10, the guide recess 19 c of the fixing ring 19 is disposed at a position corresponding to the fixing claw 12 i of the fixing cylinder 12, and the fixing ring 19 is pushed into the fixing cylinder 12. The fixing claw 12i is guided by the guide recess 19c and engages with the inner periphery of the collar portion 19b of the fixing ring 19. Next, the fixing ring 19 is rotated relative to the fixing cylinder 12, and the fixing piece 12 g of the fixing cylinder 12 is brought into contact with the rotation stopper 19 d of the fixing ring 19.
- the hook portion 19e of the fixing ring 19 is locked to the fixing piece 12g, and the movement of the fixing ring 19 is restricted.
- the flange portion 19b of the fixing ring 19 comes into contact with the end portion of the rib 10. That is, the housing 11 is securely fixed to the container body 2 by sandwiching the bottom wall 2c of the container body 2 and the rib 10 by the collar portion 12b of the fixed cylinder 12 and the collar portion 19b of the fixing ring 19. In this way, since the housing 11 is fixed to the container body 2 using the fixing ring 19, it is not necessary to manage the tightening torque which does not need to be fixed with screws as before.
- the air supply valve 8 is closed as shown in FIG. 4 because the valve body 13 is pressed against the flange portion 14d of the valve body storage cylinder 14.
- the valve body 13 moves against the compression coil spring 17 due to the pressure of the gas, and as shown in FIG. Become.
- the gas supplied into the container body 2 flows into the housing 11 through the vent hole 14e, and passes through the through hole 16c of the filter holder 16 and the filter 15.
- the gas from which impurities have been removed by the filter 15 passes through the window of the fixed cylinder 12 and is supplied into the container body 2.
- the valve element 13 is moved by being urged by the compression coil spring 17, and the air supply valve 8 is closed.
- the exhaust valve 9 In a normal state, the exhaust valve 9 is in a closed state as shown in FIG. 13 because the valve body 23 is pressed against the disk portion 16a of the filter retainer 16.
- the valve body 23 moves against the compression coil spring 17 due to the pressure of the gas, and the exhaust valve 9 is opened as shown in FIG. .
- the gas discharged to the outside of the container body 2 passes through the through hole 16 c of the filter 15 and the filter retainer 16 through the window of the fixed cylinder 12.
- the gas that has passed through the through hole 16c flows into the valve body storage cylinder 14, and is discharged through the vent hole 14e.
- the valve body 23 When the pressure of the gas in the container body 2 decreases, the valve body 23 is moved by being urged by the compression coil spring 17, and the exhaust valve 9 is closed.
- a substrate storage container 1 includes the air supply valve 8 and the exhaust valve 9, gas purge can be suitably performed.
- the housing 11 of the air supply valve 8 and the exhaust valve 9 includes a fixed cylinder 12 and a valve body storage cylinder 14.
- the fixed cylinder 12 and the valve body storage cylinder 14 include a positioning recess 12e and a positioning protrusion. 14c. Therefore, the valve body storage cylinder 14 can be easily positioned with respect to the fixed cylinder 12, and the force S for efficiently assembling the intake valve 8 and the exhaust valve 9 can be achieved. Further, since the fixed cylinder 12 and the valve body storage cylinder 14 include the locking recess 12d and the locking protrusion 14b, the valve body storage cylinder 14 can be locked to the fixed cylinder 12.
- the fixing ring 19 can be securely fixed to the fixing cylinder 12. Also fixed Since the ring 19 includes a flange portion 19b protruding outward, the housing 11 is stably fixed to the container body 2 by bringing the collar portion 19b into contact with the peripheral edge of the through hole 2d of the container body 2. Has been. Further, since the guide recess 19c that guides the movement of the fixing claw 12i is provided on the inner peripheral surface of the side wall 19a of the fixing ring 19, the fixing ring 19 can be smoothly attached to the fixed cylinder 12. Thereby, the efficiency of the assembly work can be further improved.
- the hook part 19e of the fixing ring 19 is fixed to the fixing cylinder 19 by attaching the fixing ring 19 to the fixing piece 12g and rotating the fixing ring 19 with respect to the fixing cylinder 12. It can be locked to 12 fixed pieces 12g.
- the valve body 13 , 23 can be prevented and the gas can be securely sealed.
- gas vents 13c and 23c that allow gas to flow are formed in the radial direction at the other end 13b and 23b opposite to the one end 13a and 23a on which the seal surface 18a is formed. Therefore, even if the other end 13b is in contact with the disc 16a of the filter retainer 16 and the other end 23b is in contact with the flange 14b of the valve body storage cylinder 14, the gas venting is performed.
- the concave portion 13c, 23c can be used to distribute the gas. Accordingly, it is possible to prevent an unnecessary seal surface from being formed on the side opposite to the seal surface 18a.
- the present invention has been specifically described above based on the embodiment, the present invention is not limited to the above embodiment.
- the storage by the substrate storage container of the present invention is used as the substrate.
- the substrate to be stored is not limited to the semiconductor wafer, and may be other substrates such as mask glass.
- the force S using the compression coil spring 17 as the biasing means for example, a leaf spring or various rubbers including various thermoplastic elastomers may be used.
- the material of the leaf spring include stainless steel and resin.
- the outer diameter D1 of the urging surface is equal to or larger than the outer diameter D2 of the seal surface.
- the present invention provides a check valve and a substrate storage container including the check valve that simplify the assembly work without the need for management of tightening torque.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Valve Housings (AREA)
- Packaging Frangible Articles (AREA)
- Check Valves (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/439,651 US8091592B2 (en) | 2006-09-04 | 2007-07-23 | Board storage container and check valve |
CN2007800221159A CN101467241B (zh) | 2006-09-04 | 2007-07-23 | 基板收纳容器及止回阀 |
EP07791173.3A EP2068356B1 (en) | 2006-09-04 | 2007-07-23 | Board storage container and check valve |
KR1020097000597A KR101419561B1 (ko) | 2006-09-04 | 2007-07-23 | 기판 수납 용기 및 역지 밸브 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006239241A JP4800155B2 (ja) | 2006-09-04 | 2006-09-04 | 基板収納容器及び逆止弁 |
JP2006-239241 | 2006-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008029557A1 true WO2008029557A1 (en) | 2008-03-13 |
Family
ID=39157002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/064441 WO2008029557A1 (en) | 2006-09-04 | 2007-07-23 | Board storage container and check valve |
Country Status (7)
Country | Link |
---|---|
US (1) | US8091592B2 (ja) |
EP (1) | EP2068356B1 (ja) |
JP (1) | JP4800155B2 (ja) |
KR (1) | KR101419561B1 (ja) |
CN (1) | CN101467241B (ja) |
TW (1) | TWI409903B (ja) |
WO (1) | WO2008029557A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014160782A (ja) * | 2013-02-20 | 2014-09-04 | Shin Etsu Polymer Co Ltd | 基板収納容器 |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4895222B2 (ja) * | 2008-03-31 | 2012-03-14 | 信越ポリマー株式会社 | 基板収納容器 |
JP4898740B2 (ja) * | 2008-05-12 | 2012-03-21 | 信越ポリマー株式会社 | バルブ機構及び基板収納容器 |
JP2011114319A (ja) * | 2009-11-30 | 2011-06-09 | Dan Takuma:Kk | 気体置換装置および気体置換方法 |
CN103035559B (zh) * | 2011-09-29 | 2015-04-22 | 中芯国际集成电路制造(北京)有限公司 | 弹性固定轮及包含其的晶圆适配器 |
TWM449886U (zh) * | 2012-09-26 | 2013-04-01 | Gudeng Prec Ind Co Ltd | 充氣逆止閥及具有充氣逆止閥的精密元件收納裝置 |
TWI610864B (zh) * | 2012-11-20 | 2018-01-11 | 恩特葛瑞斯股份有限公司 | 具有清洗埠的基板收納盒 |
JP6041699B2 (ja) * | 2013-02-20 | 2016-12-14 | 信越ポリマー株式会社 | 基板収納容器 |
US9212662B2 (en) * | 2013-04-29 | 2015-12-15 | Ford Global Technologies, Llc | Check valve for an engine vacuum pump |
WO2016002005A1 (ja) * | 2014-07-01 | 2016-01-07 | ミライアル株式会社 | 基板収納容器 |
JP6450156B2 (ja) * | 2014-11-12 | 2019-01-09 | ミライアル株式会社 | ガスパージ用フィルタ |
US10388554B2 (en) * | 2016-04-06 | 2019-08-20 | Entegris, Inc. | Wafer shipper with purge capability |
WO2018047541A1 (ja) * | 2016-09-06 | 2018-03-15 | 信越ポリマー株式会社 | 基板収納容器及び気体置換ユニット |
US11139188B2 (en) * | 2017-04-28 | 2021-10-05 | Sinfonia Technology Co., Ltd. | Gas supply device, method for controlling gas supply device, load port, and semiconductor manufacturing apparatus |
WO2018203384A1 (ja) * | 2017-05-02 | 2018-11-08 | ミライアル株式会社 | 基板収納容器 |
DE112018003608T5 (de) | 2017-07-14 | 2020-04-16 | Shin-Etsu Polymer Co., Ltd. | Substratlagerungsbehälter |
JP6796741B2 (ja) * | 2017-07-21 | 2020-12-09 | インテグリス・インコーポレーテッド | レチクルを保持及び輸送するための、透明窓アセンブリを有する容器 |
TWI720881B (zh) * | 2018-01-11 | 2021-03-01 | 家登精密工業股份有限公司 | 快拆式氣閥及應用其之基板容器 |
KR102524025B1 (ko) * | 2018-02-19 | 2023-04-21 | 미라이얼 가부시키가이샤 | 가스 퍼지용 포트 |
JP7125000B2 (ja) * | 2018-03-13 | 2022-08-24 | 信越ポリマー株式会社 | 基板収納容器 |
JP7147116B2 (ja) | 2018-03-28 | 2022-10-05 | 信越ポリマー株式会社 | 基板収納容器 |
WO2019194326A1 (ko) * | 2018-04-02 | 2019-10-10 | 우범제 | 웨이퍼 수납용기 |
WO2020065968A1 (ja) * | 2018-09-28 | 2020-04-02 | ミライアル株式会社 | 基板収納容器 |
JP7334264B2 (ja) * | 2019-04-26 | 2023-08-28 | インテグリス・インコーポレーテッド | 基板容器 |
US11205733B2 (en) | 2019-07-11 | 2021-12-21 | Ricardo Garcia | Semi-transparent solar panel apparatus |
JPWO2021020460A1 (ja) * | 2019-07-30 | 2021-02-04 | ||
US11104496B2 (en) * | 2019-08-16 | 2021-08-31 | Gudeng Precision Industrial Co., Ltd. | Non-sealed reticle storage device |
JP7362920B2 (ja) * | 2019-11-08 | 2023-10-17 | インテグリス・インコーポレーテッド | 環境調整物質ホルダ |
US20220112962A1 (en) * | 2020-10-12 | 2022-04-14 | Donaldson Company, Inc. | Enclosure vent assembly |
KR102314174B1 (ko) * | 2021-06-10 | 2021-10-18 | (주)상아프론테크 | 웨이퍼 저장 장치 |
TWI782689B (zh) * | 2021-09-02 | 2022-11-01 | 家登精密工業股份有限公司 | 快拆式氣閥、具有快拆式氣閥的基板容器及快拆式氣閥的安裝和拆卸方法 |
KR20230143494A (ko) * | 2022-04-05 | 2023-10-12 | 주식회사 삼에스코리아 | 웨이퍼 수납용기 및 그에 사용되는 캡 조립체 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002521189A (ja) | 1998-07-31 | 2002-07-16 | セミファブ インコーポレイテッド | フィルタカートリッジ組立体 |
JP2004146676A (ja) | 2002-10-25 | 2004-05-20 | Shin Etsu Polymer Co Ltd | 収納容器 |
JP2004179449A (ja) | 2002-11-28 | 2004-06-24 | Shin Etsu Polymer Co Ltd | 基板収納容器 |
JP2005127501A (ja) * | 2003-09-30 | 2005-05-19 | Piolax Inc | 樹脂燃料タンク取付け用バルブ |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988010386A1 (en) * | 1987-06-25 | 1988-12-29 | Masco Corporation | A reversible bottom valve cartridge with an orienting mechanism |
US5810062A (en) * | 1996-07-12 | 1998-09-22 | Asyst Technologies, Inc. | Two stage valve for charging and/or vacuum relief of pods |
US5879458A (en) * | 1996-09-13 | 1999-03-09 | Semifab Incorporated | Molecular contamination control system |
JP3167970B2 (ja) * | 1997-10-13 | 2001-05-21 | ティーディーケイ株式会社 | クリーンボックス、クリーン搬送方法及び装置 |
US6164664A (en) | 1998-03-27 | 2000-12-26 | Asyst Technologies, Inc. | Kinematic coupling compatible passive interface seal |
US6319297B1 (en) * | 1998-03-27 | 2001-11-20 | Asyst Technologies, Inc. | Modular SMIF pod breather, adsorbent, and purge cartridges |
TW511650U (en) * | 2001-09-12 | 2002-11-21 | Ind Tech Res Inst | Ventilator device for cleaning container |
US7503343B2 (en) * | 2002-04-30 | 2009-03-17 | Eaton Corporation | Siphonable check valve and method of making same |
US7455180B2 (en) * | 2002-10-25 | 2008-11-25 | Shin-Etsu Polymer Co., Ltd. | Substrate storage container |
MY139091A (en) * | 2003-10-24 | 2009-08-28 | Entegris Inc | Substrate carrier |
US7201276B2 (en) * | 2003-11-07 | 2007-04-10 | Entegris, Inc. | Front opening substrate container with bottom plate |
JP4573566B2 (ja) * | 2004-04-20 | 2010-11-04 | 信越ポリマー株式会社 | 収納容器 |
JP4667769B2 (ja) * | 2004-06-11 | 2011-04-13 | 信越ポリマー株式会社 | 基板収納容器 |
JP4007359B2 (ja) * | 2004-10-21 | 2007-11-14 | オムロン株式会社 | 電気回路収納用容器 |
MY137625A (en) * | 2004-11-23 | 2009-02-27 | Entegris Inc | Wafer container with secondary wafer restraint system |
-
2006
- 2006-09-04 JP JP2006239241A patent/JP4800155B2/ja active Active
-
2007
- 2007-07-23 WO PCT/JP2007/064441 patent/WO2008029557A1/ja active Application Filing
- 2007-07-23 CN CN2007800221159A patent/CN101467241B/zh active Active
- 2007-07-23 EP EP07791173.3A patent/EP2068356B1/en not_active Expired - Fee Related
- 2007-07-23 US US12/439,651 patent/US8091592B2/en active Active
- 2007-07-23 KR KR1020097000597A patent/KR101419561B1/ko active IP Right Grant
- 2007-07-24 TW TW96126996A patent/TWI409903B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002521189A (ja) | 1998-07-31 | 2002-07-16 | セミファブ インコーポレイテッド | フィルタカートリッジ組立体 |
JP2004146676A (ja) | 2002-10-25 | 2004-05-20 | Shin Etsu Polymer Co Ltd | 収納容器 |
JP2004179449A (ja) | 2002-11-28 | 2004-06-24 | Shin Etsu Polymer Co Ltd | 基板収納容器 |
JP2005127501A (ja) * | 2003-09-30 | 2005-05-19 | Piolax Inc | 樹脂燃料タンク取付け用バルブ |
Non-Patent Citations (1)
Title |
---|
See also references of EP2068356A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014160782A (ja) * | 2013-02-20 | 2014-09-04 | Shin Etsu Polymer Co Ltd | 基板収納容器 |
Also Published As
Publication number | Publication date |
---|---|
TW200816349A (en) | 2008-04-01 |
EP2068356A4 (en) | 2010-11-24 |
KR20090060259A (ko) | 2009-06-11 |
JP2008066330A (ja) | 2008-03-21 |
CN101467241B (zh) | 2010-12-08 |
US8091592B2 (en) | 2012-01-10 |
JP4800155B2 (ja) | 2011-10-26 |
US20090266441A1 (en) | 2009-10-29 |
EP2068356A1 (en) | 2009-06-10 |
CN101467241A (zh) | 2009-06-24 |
KR101419561B1 (ko) | 2014-07-14 |
TWI409903B (zh) | 2013-09-21 |
EP2068356B1 (en) | 2015-06-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4800155B2 (ja) | 基板収納容器及び逆止弁 | |
TWI289534B (en) | Substrate storage container | |
US10453723B2 (en) | Gas purge filter | |
TWI760528B (zh) | 基板收納容器 | |
JP2022530510A (ja) | 基板容器 | |
JP2009246154A (ja) | 基板収納容器 | |
JP2004179449A (ja) | 基板収納容器 | |
US11230427B2 (en) | Substrate storage container with umbrella-shaped seal lip | |
JP6590728B2 (ja) | 基板収納容器用バルブ | |
TWI802650B (zh) | 氣體吹掃用埠 | |
JP2010003948A (ja) | 基板収納容器 | |
CN111868908B (zh) | 基板收纳容器 | |
WO2021020460A1 (ja) | 基板収納容器及びフィルタ部 | |
CN116134256A (zh) | 基板收纳容器 | |
JP2021182608A (ja) | 基板収納容器 | |
WO2024084722A1 (ja) | 基板収納容器 | |
JP2022088279A (ja) | 基板収納容器 | |
JPH0875016A (ja) | バルブ構造 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200780022115.9 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07791173 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020097000597 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12439651 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007791173 Country of ref document: EP |