JP2006321565A - Bottom raising member for substrate transfer container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bottom raising device for a transfer container to transfer a substrate or a substrate material such as a liquid crystal substrate safely. <P>SOLUTION: The bottom raising device is a foaming resin-made plate which is stored in a foaming resin-made container body to adjust the storing depth in the container body, and on the surface of the plate securing grooves 36 to secure substrates stored in the container body in cooperation with a wall surface resin sheet for securing substrates which is arranged forming a slight space on an opposing wall surface in the container body, is formed, and further favorably it is composed of the foaming resin-made plate 30 and a bottom resin sheet for securing substrates 28 which is formed in the almost same shape as the surface shape of the foaming resin-made plate, wherein the bottom resin sheet for securing substrates is arranged making a slight space on the surface of the plate. The liquid crystal substrate can be transferred safely with it and the bottom raising member acts as a member to prevent falling-down of the wall surface resin sheet for securing substrates arranged on the side face of the container. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a substrate transport container suitable for storing and transporting a large number of substrates such as a substantially rectangular glass substrate for liquid crystal, and a bottom raising member suitably used for the substrate transport container.

  In general, when moving substrates such as glass substrates for liquid crystals to other locations for the sake of manufacturing processes, etc., a large number of sheets are accommodated so that the substrates do not come into contact with each other and can be transported safely while preventing contamination. A substrate transport container is used in which the lid is tightly fitted in the state.

In such a substrate transport container, a substantially rectangular parallelepiped container main body and a lid attached to the opening of the container main body are both formed of a foamed synthetic resin, and further, a resin sheet is provided in the inside thereof. Some of them are made of intermediate containers. For example, in claim 1 of Patent Document 1 (Japanese Patent Laid-Open No. 7-132986), “inside the box (1) made of a foam having a foaming ratio of 3 to 45 times,
A substrate carrying box comprising a grooved insertion member (2) on a box having a substrate supporting groove (2a). Is disclosed. And about this insertion member (2), for example, paragraph [0
050] “As a grooved insertion member (2), a compressed air molded body is used in which a resin sheet (ABS resin sheet or the like) is set in a mold and vacuum-sucked under heating and molded into a box shape all at once. The grooved insertion member (2) 5 corresponds to the interior wall surface and the bottom surface of the foamed resin box (1), as indicated by reference numeral 2 in FIG. It is a hexahedron (box (2)) in which one surface having a surface is opened. Even if such a hexahedron having an open surface is arranged in the foamed resin box (1), it is a box having substantially the same shape as the foamed resin box (1), and the insertion member (2). The operation of inserting the resin into the foamed resin box (1) becomes very complicated. If the insertion member (2) is formed in a box shape in this way, the substrate support groove (2a) groove is formed by contacting each surface of the box-shaped insertion member (2). The substrate supporting groove (2a) thus fixed does not exhibit buffering properties.

Further, claim 1 of Patent Document 2 (Japanese Patent Laid-Open No. 7-257861) states that “a groove (2a) for supporting a substrate is formed on the inner surface of a box (1) made of a foam having a foaming ratio of 3 to 45 times. An invention of “a substrate transporting box in which a plate-like or box-like grooved insertion member (2) having an arrangement” is arranged is disclosed. In Patent Document 2, the insertion member (2) is a plate-like or box-like foamed molded body made of foam, or a plate-shaped or box-shaped compressed air molded body obtained by pressure molding a resin sheet. Or a plate-shaped or box-shaped molded body obtained by melt-molding a resin, or a plate-shaped or box-shaped machined product obtained by machining the plate body. Further, in the paragraph [0022], a protruding groove (11a) for engagement is formed on the inner surface side of a pair of opposed surfaces of the main body (11) of the box (1), and a plate-like grooved insertion member ( 2) When the groove (2b) that engages with the above protrusion (11a) is formed on the back side of (2), the plate-like grooved insertion member (2) is attached to and detached from the box (1). It is described that it can be performed more smoothly.

However, when the insertion member (2) described in Patent Document 2 has a box shape, it is very difficult to insert the box-like insertion member (2) into the foamed resin box (1). In addition, the insertion member having such a thickness as to have a groove for engagement does not exhibit buffering properties.

  Therefore, in the board transport box disclosed in Patent Documents 1 and 2, external shocks are absorbed by the foamed resin box, but are caused by the vibration of the board housed in the box. The shock cannot be absorbed in this box because the grooved insertion member that supports the substrate has poor cushioning.

Moreover, the board | substrate conveyance box described in patent document 1 and 2 is a uniform size, and the magnitude | size of the board | substrate which can be conveyed stably with such a board | substrate conveyance box is one type.
In Patent Document 3 (Japanese Utility Model Publication No. 57-91272), there is a box having an opening on one side of a hexahedron and formed of a foamable synthetic resin material, and four adjacent to the opening of the box. A synthetic resin material that is attached to a surface of a pair of side surfaces facing each other out of the side surfaces and has a plurality of grooves arranged at predetermined intervals extending from the one surface toward the bottom surface facing the one surface, and is harder than the box There is disclosed a plate-shaped member storage device comprising a formed lining member, wherein both ends of the plate-shaped member are inserted into the opposed grooves. The storage device as described above has a structure in which a groove is formed on a pair of opposing side surfaces of the box body, and the groove has a structure in which a synthetic resin lining member is adhered to the surface of the groove formed in the box body. The groove itself is not buffered.
JP 7-132986 A Japanese Patent Laid-Open No. 7-257861 Japanese Utility Model Publication No.57-91272

An object of the present invention is to provide a transport container for safely transporting a substrate such as a liquid crystal substrate or a substrate material.
Moreover, this invention aims at providing the bottom raising apparatus for conveying a board | substrate or board | substrate material more safely by using for the above containers for conveyance.

  The bottom raising member of the substrate transporting container according to the present invention is accommodated in a container body made of foamed resin to adjust the storage depth in the container body, and a slight gap is formed in the opposing wall surface in the container body. A plate-like body made of foamed resin having a holding groove for holding a substrate housed in the container main body portion in cooperation with the resin sheet for supporting the surface wall surface substrate formed and arranged. The bottom raising member includes a plate-like body made of foamed resin and a resin sheet for supporting the bottom substrate formed into a shape substantially the same as the shape of the surface of the plate-like body made of foamed resin. Thus, the bottom substrate supporting resin sheet is arranged with a slight gap on the surface of the plate-like body.

The first substrate transport container of the present invention, in which the bottom raising member of the substrate transport container of the present invention can be suitably used, is a bottomed rectangular cylindrical body made of foamed resin opened in one direction. A container body part in which a substrate support groove is formed on the inner peripheral wall facing the bottom rectangular tube;
A foamed resin lid that is detachably mounted to cover the opening of the container body,
Shaped in a surface shape substantially the same as the inner peripheral wall surface, which is arranged on the inner peripheral wall surface facing the substrate support groove of the container main body portion with a slight gap formed in the inner peripheral wall surface. A wall surface substrate supporting resin sheet,
The wall surface substrate supporting resin sheet is held on the inner peripheral wall surface by a fall-preventing means.

The second substrate transport container of the present invention, which can suitably use the bottom raising member of the substrate transport container of the present invention, is a bottomed rectangular cylindrical body made of foamed resin having an opening in one direction. A container body part in which a substrate support groove is formed on the inner peripheral wall facing the bottom rectangular tube;
A foamed resin lid that is detachably mounted to cover the opening of the container body,
Shaped in a surface shape substantially the same as the inner peripheral wall surface, which is arranged on the inner peripheral wall surface facing the substrate support groove of the container main body portion with a slight gap formed in the inner peripheral wall surface. A wall surface substrate supporting resin sheet,
A plate-shaped body made of foamed resin having a substrate support groove formed on the surface, and is housed in the container main body at the bottom of the storage main body, and in cooperation with the substrate support groove formed on the distribution wall of the container main body. And a bottom raising member that prevents the wall surface substrate supporting resin sheet from falling down.

  Furthermore, the bottom raising member of the substrate transport container according to the present invention is a bottom raising member used together with the first substrate transport container or the second substrate transport container as described above, and is disposed in the foam resin main body. The container body is combined with the resin sheet for supporting the wall surface substrate which is housed to adjust the storage depth in the container body part and is arranged with a slight gap formed on the opposing wall surface in the container body. It is characterized by being a foamed resin plate-like body in which a holding groove for holding a substrate housed in the part is formed on the surface.

  In the substrate transport container used in the present invention, a holding groove for holding the substrate to be stored is formed on a pair of opposing side wall surfaces of the container main body formed of foamed resin, and On the surface of the side wall surface, a wall surface substrate supporting resin sheet shaped in a surface shape substantially the same as the surface shape of the side wall surface is disposed so as to form a slight gap with the side wall surface. Thus, the wall surface substrate supporting resin sheet is placed between the container main body and the wall surface substrate supporting resin sheet by disposing the resin sheet for supporting the wall surface substrate so that a slight gap is formed without being fixed to the side wall surface. A buffer space that absorbs vibration generated by the formed substrate is formed.

  In general, by using a substrate transport container having a casing made of foamed resin, external impacts and the like are absorbed by the casing made of foamed resin, and the stored board is kept safe. In such a substrate transfer container, since the substrate stored inside is fixed by a holding groove formed on the inner wall surface of the housing, it does not have a mitigation means against vibration caused by the stored substrate itself. .

  In the substrate transport container used in the present invention, the inner wall surface in which the holding groove for holding the substrate of the container main body portion made of foamed resin is formed into a shape substantially the same as the surface shape of the inner peripheral wall surface. Since the wall surface substrate supporting resin sheet is arranged, not only the impact from the outside but also the vibration generated by the substrate stored in the container is caused between the wall surface substrate supporting resin sheet and the inner wall surface where the holding groove is formed. Substrates that are absorbed by the buffer gaps formed between them and stored adjacent to each other can be stored or moved in a more stable state. That is, for example, a glass substrate for liquid crystal is very thin and may be bent even by a very slight stress. By using a container for transporting a substrate formed of a foamed resin, most of the stress applied from the outside is absorbed by the casing made of the foamed resin. It is difficult to absorb internal stress only by the holding groove formed on the inner wall surface of the casing. When handling a substrate material such as a liquid crystal substrate or a substrate, the stored substrate material or the substrate is carefully handled so that the substrate material or the substrate is not damaged. Damage due to internal stress in the material or substrate occurs more frequently. In particular, this tendency increases as the liquid crystal becomes larger. In many cases, the substrate material or the substrate is damaged due to such internal stress because the weight of the substrate is related to the holding portion.

In the container for transporting a substrate used in the present invention, a slight gap is formed on the surface of the holding groove formed on the pair of side walls facing each other of the container body part which is a part for holding the substrate material or the substrate to be stored. The wall surface substrate supporting resin sheet is disposed, and the holding groove of the wall surface substrate supporting resin sheet is not fixed to the holding groove formed in the container main body, however, the wall surface substrate supporting resin sheet is Excessive deformation of the holding groove is prevented by the holding groove formed in the container main body. That is, the substrate material or the substrate to be stored has a certain degree of flexibility, and the substrate material or the substrate does not break as much as the substrate material or the substrate moves within the flexibility range. When transporting the substrate material or the substrate, the substrate material or the substrate must be fixed, but when the substrate is fixed, this fixed portion (specifically, the substrate material or the both ends of the substrate sandwiched by the holding grooves) Stress). Therefore, the damage of the substrate material or the substrate during the transportation, excluding the damage due to careless handling such as dropping, originated at both ends sandwiched as described above. The damage that seems to be increased.

  In the substrate transport container used in the present invention, a slight gap is formed between the holding groove formed in the container main body and the holding groove of the wall surface substrate supporting resin sheet. The gap is not fixed to the wall surface of the container main body, and this gap acts as a buffer space that allows deformation within the range of flexibility of the stored substrate material or substrate. Therefore, by using the substrate transport container of the present invention, it is possible to prevent damage from the stored substrate material or both ends of the substrate. However, even if such a wall surface substrate supporting resin sheet is disposed on the side wall of the container main body, the wall surface substrate supporting resin sheet is not fixed to the side wall of the container main body. Before, the wall surface substrate supporting resin sheet may fall into the container. This substrate transfer container is used by a substrate manufacturer or the like that handles substrate materials or substrates. In the process of reaching the substrate manufacturer from the substrate transfer container manufacturer, the wall surface substrate supporting resin sheet is placed in the container. If it falls down, it is not possible to stably supply a substrate transport container having excellent characteristics as described above. In particular, a substrate manufacturer or the like often stores and transports a substrate material or a substrate in the substrate transport container by an automatic apparatus or the like, and the substrate material or the substrate as in the substrate transport container of the present invention. When the shape of the side wall of the foam resin housing in which the holding groove for holding the resin is formed is substantially the same as the surface shape of the resin sheet for supporting the wall surface substrate disposed on the surface, the wall surface substrate support is mechanically supported. It may be difficult to recognize the presence or absence of a resin sheet.

  Therefore, in this substrate transporting container, the wall surface substrate supporting resin sheet is provided with a means for preventing the wall surface substrate supporting resin sheet from falling down so that the wall surface substrate supporting resin sheet disposed on the side surface where the holding groove of the container body portion is formed does not fall down. Is formed.

  Thus, by forming the fall prevention means for the resin sheet for supporting the wall surface substrate, the excellent damage prevention function of the substrate transport container of the present invention can be effectively utilized.

In addition, the substrate material or the substrate stored as described above inevitably comes into contact with the bottom of the container main body at the bottom of the container main body. Arrange the members. A holding groove for holding the substrate material or the substrate stored together with the holding groove formed on the inner surface of the container main body is formed on the surface of the bottom raising member. And it is preferable to arrange a bottom substrate supporting resin sheet having a shape substantially the same as the surface shape of the bottom raising member, and this bottom substrate supporting resin sheet has a slight amount of foamed resin bottom substrate supporting resin sheet. It is preferable that the voids are arranged so that the voids thus formed are in contact with the substrate material to be stored or the bottom of the substrate, and the resin sheet for supporting the bottom substrate is formed using a foamed resin. Since the base material and the substrate to be stored are not tightly held, the substrate material and the substrate held on the bottom substrate supporting resin sheet are not fixed to the bottom raising member. Even if the substrate material is deformed within the flexibility range of the substrate, the stress can be prevented from concentrating on the bottom of the substrate or the like. And such a bottom raising member also becomes a very good fall prevention means with respect to the resin sheet for wall surface base material support. In addition, the bottom raising member can adjust the storage depth in the substrate transport container by forming the bottom raising member of various thicknesses, and by appropriately selecting the thickness of the bottom raising member, Alternatively, by using a combination of a plurality of different bottom raising members as appropriate, the depth can be adjusted by the bottom raising member in one type of container, so that substrate materials or substrates of different sizes can be stably conveyed. As described above, the substrate material and the substrate holding portion are provided at three locations of the pair of side walls and the bottom raising member (or the holding groove of the resin sheet for supporting the bottom substrate) facing each other. The substrate can be held and transported.

  The substrate transport container used in the present invention has a wall surface substrate supporting resin sheet having a shape substantially the same as the surface shape of the wall surface on the wall surface of the container main body holding the substrate. And a means for preventing the wall surface substrate supporting resin sheet from falling into the container is provided. By arranging the wall surface substrate supporting resin sheet on the wall surface through a slight gap in this way, stress generated by the substrate itself stored in the container can be absorbed by the gap, and the holding portion of the storage substrate can be absorbed. It is possible to significantly reduce the occurrence of damage to the substrate that starts at the end. That is, a slight gap formed between the side surface of the container and the resin sheet for supporting the wall surface substrate functions as a buffer space for internal stress generated by bending of the substrate itself to be stored.

  Thus, in the substrate transport container used in the present invention, the wall surface substrate supporting resin sheet disposed on this surface is not in close contact with the side surface of the container in which the substrate holding groove is formed. Since the means for preventing the wall surface substrate supporting resin sheet from falling is provided, the wall surface substrate supporting resin sheet can be stably held by forming a certain gap with respect to the wall surface.

  Furthermore, in the second aspect of the substrate transport container used in the present invention, a bottom raising member in which a holding groove for the substrate is formed is disposed on the bottom portion that is always in contact with the substrate to be stored. Since the bottom substrate supporting resin sheet having a shape substantially the same as the surface shape of the bottom raising member is disposed with a slight gap formed on the surface of the bottom raising member, deformation such as bending that occurs in the stored substrate is prevented. The generation space can be reduced, and a slight gap formed between the bottom raising member and the bottom substrate supporting resin sheet can act as a buffer space for internal stress generated in the substrate itself. The occurrence of breakage can be significantly reduced.

  Further, by using the bottom raising member of the substrate transporting container of the present invention, the depth of the storage space in the container can be adjusted according to the substrate to be stored, and the inside of the lid is the same as described above. Thus, by forming the support groove having the buffer gap, the substrate can be stored more safely.

  According to the substrate transport container having such a configuration, since the storage substrate is protected from an external impact since it is formed of the foamed resin, the weight of the stored substrate or the deflection of the storage substrate can be obtained. It is also possible to prevent damage to the substrate by absorbing stress inside the substrate caused by the above.

  Further, as described above, the resin sheet for supporting the wall surface substrate is inserted into the container body made of foamed resin in the shape of a hexahedron (box shape) in which an opening is formed. Even if a gap is formed between the wall surface and the resin sheet for supporting the wall surface substrate, the gap does not function as a buffer gap for the storage substrate. Furthermore, when trying to insert into a container main-body part in a box shape, insertion of a box is remarkably difficult and work efficiency becomes very bad. Therefore, in the present invention, basically, the flexibility of the support groove of the resin sheet for supporting a wall surface substrate formed in substantially the same shape as the support groove formed on the wall surface of the container main body is maintained. For example, by arranging a plurality of independent resin sheets for supporting the wall surface on each wall surface on the wall surface (that is, so that a large number of support grooves formed in a bellows shape can be expanded and contracted), a container made of foamed resin The resin sheet for supporting the wall surface substrate can be easily arranged on the wall surface inside the main body. In addition, since the substrate transport container includes the fall-preventing means, the disposed wall surface substrate supporting resin sheet can be stably disposed on each side surface.

  Furthermore, by using the bottom raising member of the substrate transport container of the present invention, the storage substrate can be held not only on the side surface but also on the bottom surface, and this bottom raising member has a buffering property against the internal stress of the substrate. The substrate can be transported more safely. In addition, since the storage depth of the container can be adjusted, a single substrate transfer container can be applied to transfer various types of substrates. Furthermore, this bottom raising member is a very good fall prevention means for the side wall substrate holding resin sheet disposed on the side wall of the container body. Furthermore, by reducing the excess space in the container, the substrate transport safety is also increased.

  The substrate transport container used in the present invention is made of foamed resin, can protect the storage substrate against external impacts, and may cause condensation due to a temperature difference from the outside. Of course, this can be prevented.

Next, the substrate transfer container and the bottom raising member of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an exploded perspective view of a first substrate transport container used in the present invention, FIG. 2 is an exploded perspective view of a second substrate transport container, and FIG. 3 is an example of a bottom raising member of the present invention. FIG. In the following description and drawings, the same number is assigned to the same member.

The first substrate transport container 10 used in the present invention includes a foam resin container body 12 and a foam synthetic resin lid 45 that is openably and detachably attached to the opening 14 of the container body 12. have.
The container body 12 made of foamed resin has a low-cylindrical shape that opens in one direction so that a substrate material or a substrate (hereinafter referred to as “substrate” in the present invention) 60 can be stored. A substrate support groove 16 for holding the substrate 60 is formed on the pair of wall surfaces 13a, 13b facing each other on the inner peripheral wall surface of the container body portion 12. The substrate support groove 16 is a groove formed from the opening 14 of the container body 12 toward the bottom 17. By inserting both end portions of the substrate 60 into the substrate support grooves 16 and 16 formed on both wall surfaces, the substrate 60 can be stood and stored. The substrate support grooves 16 are formed so that 1 to 45 sheets, preferably 2 to 20 sheets, can be stored in one substrate transport container 10. Accordingly, 1 to 45, preferably 2 to 20, substrate support grooves 16 are formed on the pair of wall surfaces 13a and 13b facing each other of the container main body portion 12, respectively.

4, the formation pitch of the substrate support grooves 16, that is, the distance from the center line of a certain substrate support groove 16 to the center line of the adjacent substrate support groove 16 can be set as appropriate. However, the thickness is usually about 3 to 20 mm, preferably about 5 to 15 mm so that the plurality of base materials 60 to be stored do not come into contact. Although it is possible to form the pitch narrower than 3 mm, since the container body 12 is manufactured by foamed resin molding using a mold, the substrate support groove 16 is defined when the pitch width is narrowed. The shape stability of the support ridge 16a formed may be lowered.
The depth of the substrate support groove 16 may be any depth that can stably hold the substrate 60 to be stored, and is usually about 5 to 45 mm, preferably about 7 to 25 mm.

Such substrate support grooves 16 and support protrusions 16a can be formed at right angles to the wall surface 13a or the wall surface 13b, respectively, and the front end portion of the substrate support groove 16 is wider than the base end portion. It can also be formed with a taper.

The substrate support groove 16 as described above can be formed integrally with the container main body 12, and the foamed resin foam resin plate having the substrate support groove 16 is separated from the container main body 12. It is also possible to form the foamed resin plate with the substrate support groove by fitting it into the corresponding wall surface of the container main body 12. In this case, it is desirable to fit the resin plate so as to form a sheet sandwiching slit 18 to be described later between the both side ends of the foamed resin plate with the substrate support groove and the container main body.

  In this way, by forming the foamed resin plate with the substrate support groove as a separate body from the container body, the structure of the inner peripheral surface of the container body is simplified, so after molding the container body 12, There is an advantage that the die cutting work becomes easy.

In the first substrate transport container 10 used in the present invention, the pair of opposing wall surfaces 13a, 13b in which the base material support grooves 16 as described above are formed are matched with the other pair of adjacent wall surfaces 23a, 23b. It is preferable that a sheet sandwiching slit 18 for sandwiching the resin sheet is formed in the contact portion.

In the first substrate transport container 10 used in the present invention, the wall surface substrate supporting resin sheets 22a and 22b are formed on the surfaces of the opposing wall surfaces 13a and 13b where the substrate supporting grooves 16 are formed as described above. Has been placed. The wall surface substrate supporting resin sheets 22a and 22b are formed in a shape substantially the same as the shape of the surface of the pair of wall surfaces 13a and 13b facing each other of the container main body 12. That is, on the wall surface substrate supporting resin sheets 22a and 22b, the sheet surface supporting grooves 26 and the sheet surface supporting ridges 26a corresponding to the substrate supporting grooves 16 formed on the pair of facing wall surfaces 13a and 13b are formed. The sheet surface support groove 26 and the sheet surface support protrusion 26a have substantially the same shape as the substrate support groove 16 and the support protrusion 16a formed on the pair of opposing wall surfaces 13a and 13b. When such wall surface substrate supporting resin sheets 22a and 22b are arranged on the surfaces of the wall surfaces 13a and 13b, a slight gap 19 is formed between the wall surface substrate supporting resin sheets 22a and 22b and the wall surfaces 13a and 13b. . That is, the end portions of the wall surface substrate supporting resin sheets 22a and 22b are sandwiched between, for example, sheet sandwiching slits 18 formed at contact portions between the wall surfaces 13a and 13b and another pair of wall surfaces 23a and 23b. By
When arranged on the surfaces of the wall surfaces 13a and 13b, in the vicinity of the substrate support groove 16 formed on the wall surfaces 13a and 13b, the wall surface substrate supporting resin sheets 22a and 22b are arranged following the form of the substrate support groove 16. However, it is not fixed to the wall surfaces 13a and 13b, and a slight gap 19 is formed between them.

In the substrate transport container 10 used in the present invention, a slight gap 19 formed between the wall surfaces 13a and 13b and the wall surface substrate supporting resin sheets 22a and 22b is caused by internal stress generated in the substrate 60 itself. Therefore, the storage substrate 60 can be effectively prevented from being damaged by acting as a buffer space for absorbing the deformation of the substrate 60 due to the above. The gap 19 may be very small. For example, when the substrate 60 is stored, the wall and the sheet are usually about 0.01 to 1 mm, preferably about 0.01 to 0.7 mm, particularly preferably. It is arranged so as to be separated within a range of about 0.01 to 0.5 mm. That is, when the substrate 60 is held by the substrate support groove 16 and the sheet surface support groove 26 formed on the wall surfaces 13a and 13b, the variation of the substrate 60 due to strain or deflection generated in the substrate 60 is caused by the gap 19. The width of the slight gap 19 may be substantially equal to the fluctuation width corresponding to the amount of bending of the substrate, since the substrate 60 is usually formed of glass or the like.

In this way, the wall surface substrate supporting resin sheets 22a and 22b are arranged so that a slight gap is formed as described above on the surface of the pair of opposing wall surfaces 13a and 13b where the substrate supporting grooves 16 are formed. This can effectively prevent damage to the substrate 60 due to stress caused by bending or distortion generated in the substrate 60 itself, but such wall surface substrate supporting resin sheets 22a and 22b accommodate the substrate 60. It often falls into the container before. In particular, in the present invention, the wall surface substrate supporting resin sheets 22a and 22b are arranged very efficiently by arranging them on the container body 10 as independent sheets not connected to the resin sheets covering the other wall surfaces. However, the easier the arrangement of the wall surface substrate supporting resin sheets 22a and 22b, the more likely the sheet will fall.

In the substrate transport container 10 used in the present invention, in order to prevent the wall surface substrate supporting resin sheets 22a, 22b from falling down, a falling prevention means is formed. As described above, the pair of opposing wall surfaces 13a and 13b in which the base material support groove 16 is formed and the other pair of adjacent wall surfaces 23a and 23b.
The sheet sandwiching slit 18 formed at the abutting portion also functions as a fall-preventing means. However, in the present invention, another pair of adjacent wall surfaces 13a, 13b on which the base material support grooves 16 are formed are adjacent to each other. It is desirable to form a fall prevention means on the wall surfaces 23a, 23b.

As the fall-down preventing means, as shown in FIG. 5, there can be mentioned protrusions 25a formed on a pair of opposing wall surfaces 23a, 23b where the substrate support groove 16 of the container body 12 is not formed. The protrusions 25a formed in this way are formed such that the wall surface substrate supporting resin sheets 22a and 22b are stopped by being caught by the protrusions 29 at both ends. FIG. 5 shows a mode in which trapezoidal convex portions are formed as the protrusions 25a while leaving the flange portions on a pair of other wall surfaces 23a, 23b facing each other. Further, in the present invention, the protrusion 25a is a trapezoidal convex portion as described above, and the inside of the convex portion is formed in a lattice shape so as to form a gap between the surface protective resin sheet described later. it can. Further, such a fall prevention means may be formed on the surfaces of the surface protecting resin sheets 24a and 24b disposed on the surfaces of the pair of other wall surfaces 23a and 23b facing each other. FIG. 5 shows a mode in which a means for preventing the protrusion 25b from falling down is formed in the longitudinal direction in the vicinity of both side edges of the surface protecting resin sheets 24a and 24b. Yes.

Projection 25a or ridge 25b for preventing falling into the other pair of wall surfaces 23a, 23b in which the substrate support groove 16 is not formed or the surface protecting resin sheets 24a, 24b arranged on the wall surface is provided. The protrusion should normally protrude from the surface by about 2 to 10 mm, preferably about 3 to 8 mm.

That is, as described above, the pair of other wall surfaces 23a and 23b facing each other where the substrate support groove 16 of the container main body 12 of the present invention is not formed do not come into contact with the substrate 60 to be stored. For example, as shown in FIG. 5, the wall surface supporting resin sheets 22a and 22b can be prevented from falling down, and the other wall surfaces 23a and 23b can be prevented from falling. When the surface protecting resin sheets 24a and 24b are arranged on the surface, the substrate 60 is accommodated by forming the ridges 25a as means for preventing the collapse in the vicinity of both end portions of the surface protecting resin sheets 24a and 24b. This makes it possible to effectively prevent the wall surface substrate supporting resin sheets 22a and 22b from falling down. Furthermore, the surface protecting resin sheets 24a and 24b arranged in this way are usually shaped in substantially the same shape as the surface shapes of the other side surfaces 23a and 23b on which the sheets are arranged. Further, it is preferable that the surface protecting resin sheets 24a and 24b are arranged with a slight gap formed on the surfaces of the side surfaces 23a and 23b. The surface protecting resin sheets 24a and 24b do not come into direct contact with the substrate 60. However, by placing the surface protecting resin sheets 24a and 24b, the foam protecting resin that forms the container main body portion 12 is stored. There is no direct contact with the substrate 60, and the surface protection resin sheets 24a and 24b are arranged with a slight gap formed on the surfaces of the side surfaces 23a and 23b, so that the slight gap is not generated from the outside. In some cases, it becomes a shock-absorbing band with respect to the impact, and the heat insulation is also improved.

Such surface protecting resin sheets 24a and 24b can be attached to the other side surfaces 23a and 23b. For example, both end portions of the surface protecting resin sheets 24a and 24b are inserted into the sheet sandwiching slits. By doing so, it can arrange | position to the surface of the other side surfaces 23a and 23b.

The bottom 27 of the space for storing the substrate 60 of the substrate transport container 10 used in the present invention can be formed of foamed resin, but it is preferable to dispose the bottom substrate supporting resin sheet 28.
The first substrate transport container 10 used in the present invention has the above-described configuration, but the second substrate transport container 11 has the above-described configuration as shown in FIG. A bottom raising member 30 is arranged at the bottom of the first substrate carrying container 10 having the same. The bottom raising member 30 is formed of a foamed resin, and holds the storage substrate 60 on the surface in cooperation with the substrate support grooves 16 formed in the pair of opposing wall surfaces 13a and 13b of the container main body 12. A bottom support groove 36 is formed. The depth of the bottom support groove 36 may be any depth as long as it can stably hold the substrate 60 to be stored.
It is about 45 mm, preferably about 7 to 25 mm.

  As shown in FIGS. 2 and 3, the bottom substrate supporting resin sheet 28 disposed on the surface of the bottom raising member 30 is shaped in substantially the same shape as the surface shape of the bottom raising member 30. The bottom substrate supporting resin sheet 28 shaped in such a shape is disposed on the surface of the bottom raising member 30 made of foamed resin. A slight gap 31 is formed between the bottom substrate supporting resin sheet 28 and the bottom raising member 30. By forming this slight gap 31, the inside of the housed substrate 60 due to vibration or the like is formed. The stress can be absorbed, and the breakage of the substrate 60 is significantly reduced.

As shown in FIG. 2, by arranging the bottom raising member 30 having the above-described form in the bottom portion 17 of the substrate transport container 10 of the present invention, the bottom support groove 36 formed in the bottom raising member 30 has a wall surface. Together with the substrate support grooves 16 formed in 13a and 13b, the substrate 60 to be stored can be stably stored, and the bottom-up member 30 is provided on the wall surface substrate support resin sheets 22a and 22b. This is a very good means for preventing falling. Such a bottom raising member 30 can also change the accommodation depth of the substrate 60 formed in the substrate transport containers 10 and 11 of the present invention to a suitable depth. A plurality of the bottom raising members 30 may be arranged in the container body 12. In other words, there are a wide variety of substrate sizes stored in the container, and any size that can be stored in the container can be stored regardless of the depth of the container. However, if the container is too deep with respect to the substrate 60 to be stored, the stability of the substrate 60 in the container deteriorates. Therefore, the depth of the container for storing the substrate 60 is preferably a depth corresponding to the substrate to be stored. In the substrate transport container of the present invention, the bottom raising member 30 is disposed to raise the bottom of the container, thereby reducing the excess space in the container and storing and transporting the stored substrate 60 more stably. it can.

  In the present invention, when a plurality of bottom raising materials are used, it is only necessary that the bottom support groove 36 is formed on the surface of the bottom raising member 30 located on the top surface of the bottom raising member 30 that is located on the top surface. The bottom substrate supporting resin sheet 28 having a surface shape corresponding to the lower support groove 36 may be disposed on the surface of the bottom raised portion seat 30 to be provided. That is, when a plurality of bottom raising members are arranged in this way, the bottom raising member 30 arranged in the lower portion may be provided with a bottom support groove 36, and the bottom substrate support is provided on the surface of the bottom raising member 30. The resin sheet 28 may be disposed, or may be a plate-like body made of foamed resin in which the resin sheet is not coordinated. As described above, the bottom raising member is for adjusting the depth of accommodation of the substrate 60, and is prepared corresponding to the substrate 60 to be stored by preparing plates made of foamed resin of various thicknesses. The kind of the bottom raising member 30 can be appropriately selected and used.

  In particular, the upper end portion of the substrate 60 is held by the lid support groove 48 formed in the lid substrate support resin sheet 47 arranged at the inner side of the lid body 45. It is preferable that the depth is adjusted.

  A foamed resin lid 45 is formed so as to cover the opening 14 formed in the container main body 12 of the first and second substrate transfer containers 10 and 11 as described above. By fitting 45 into the container body 12 and closing the opening 14, the substrate transfer container of the present invention can be kept in a sealed state.

  That is, the upper end where the opening 14 of the container body 12 of the first and second substrate transfer containers 10 and 11 is formed and the lower end of the lid 45 are fitted to each other. Thus, the internal space for storing the substrate 60 can be kept airtight. For example, a convex portion 15 is formed in the fitting portion of the container main body portion 12, a concave portion is formed in the fitting portion of the lid portion 45, and the fitting portion is formed so that both are fitted, thereby achieving a higher airtight state. Can be formed.

  The lid substrate supporting resin sheet 47 is disposed inside the lid portion 45 as described above. Preferably, the upper end portion of the substrate 60 to be stored is attached to the lid substrate supporting resin sheet 47. It is configured to be held by the formed lid support groove 48.

The lid substrate supporting resin sheet 47 is preferably disposed on the surface of the lid 45 so as to form a slight gap with respect to the lid 45.
The container body 12 and the lid body 45 of the present invention as described above, and the bottom raising member 30 are made of foamed resin, and there is no particular limitation on such foamed resin, such as polystyrene: polyolefin: polyurethane, It can form using the foamable resin normally used as a resin foam. Further, the raw material for forming these resin foams does not need to be a single foamable resin raw material, for example, a resin composition in which a rubber component is blended with foamable polystyrene in order to improve impact resistance, etc. A composition containing a plurality of resins can be used. A composition in which a rubber component is blended with polystyrene as described above is supplied as high impact polystyrene or the like. Using such a resin foam raw material, for example, the foam obtained by in-mold foaming, for example, to have an expansion ratio of about 10 to 60 times, preferably about 20 to 50 times, Properties necessary as a container for transporting a substrate such as good impact resistance and heat insulation are exhibited. That is, by forming the container body made of the above-mentioned foamed resin and the lid body, the substrate holding container becomes about 0.26 kcal / m · hr · ° C. or less, and it can be changed by an external temperature change. It is possible to prevent the temperature in the substrate transport container from changing rapidly. Furthermore, by forming the resin foam with such a foaming ratio, a skin layer is formed on the surface of the foam to be formed, and such a skin layer is in the vicinity of the stop portion in the thickness direction of the foamed resin. It forms a denser layer than some foams. By forming such a skin layer, dust and the like are less likely to be generated from the surface of the foamed resin, the strength of the foam is improved, water resistance and moisture permeability resistance are improved, and wear resistance is further improved. . Such a skin layer is formed at a depth of about 1 mm from the surface of the foam. Such a skin layer can be formed by contacting the mold and the foamed resin when the foamed resin is formed.

In the present invention, the wall surface substrate supporting resin sheets 22a and 22b, the surface protecting resin sheets 24a and 24b, the bottom substrate supporting resin sheet 28, the lid substrate supporting resin sheet 47, and the like are formed from a synthetic resin sheet. be able to. Examples of synthetic resin sheets used here include sheets made of α-olefin such as polyethylene, LLDPE, polypropylene, and polybutylene, heat such as polystyrene, polyvinyl chloride, polyethylene terephthalate, polyethylene naphthalate, polycarbonate, polyester, and polyamide. Examples thereof include a sheet made of a plastic resin. In the present invention, the resin sheet provided with the predetermined form as described above is preferably produced by various molding methods such as vacuum molding, compression molding, and extrusion molding. In the case of producing a resin sheet shaped into a specific shape used in the above, it is preferable to use a hot-melt resin. Such a resin sheet may contain various additives. Examples of such additives include antistatic agents, conductive fillers, colorants, antioxidants and the like. Particularly in the present invention, it is preferable to blend an antistatic agent and / or a conductive filler. That is, the substrate transport container may store a substrate in which a semiconductor is incorporated. In such a case, it is necessary to quickly discharge and remove the potential generated by friction or the like. It is preferable to add a conductive filler. Examples of such antistatic agents and conductive fillers include conductive carbon, conductive metal, and conductive surfactant. When such an antistatic agent and / or conductive filler is blended, these components are used in such an amount that they are detached from the surface of the resin sheet and do not contaminate the stored substrate. It is used in an amount in the range of 0.1 to 100 parts by weight with respect to 100 parts by weight of the resin component to be formed. By blending the antistatic agent and / or the conductive filler in this way, the resin sheet usually has a volume resistivity of about 10 ³ to 10 ¹² Ω · cm, and the electronic component is mounted. Even if a substrate is used, its electrical characteristics are not impaired by static electricity.

The resin sheet made of such a resin can be formed by, for example, vacuum forming as described above. In a normal case, the resin sheet has substantially the same shape as the surface shape of the wall surface of the container main body on which the resin sheet is disposed. Shaped. By forming a resin sheet for each wall surface of the container body in this manner, the internal stress generated inside the stored substrate 60 can be absorbed very efficiently without impairing the flexibility of the formed resin sheet. can do. Therefore, the resin sheet used in the present invention is preferably manufactured for each arrangement wall surface, for example, a sheet in which the sheet surface support groove 26 is formed, and a sheet in which the support groove adjacent thereto is not formed. Even if an L-shaped sheet integrally formed is used, the flexibility of the bellows-like sheet surface support groove 26 of the resin sheet 22a, 22b for supporting the wall surface substrate on which the sheet surface support groove 26 is formed may be impaired. Since there is no, the resin sheet formed in the above L shape can also be used. Similarly, the flexibility of the bellows-like sheet surface support groove 26 is not impaired even in a cylindrical resin sheet in which the bottom portion is not formed, and thus the resin sheet may be formed in a rectangular tube shape in this way. . Thus, even if the resin sheet is formed in a rectangular tube shape, there is no bottom portion, so that it is not particularly difficult to insert the sheet into the container main body.

  However, if the bottom portion is attached to the rectangular tube-shaped sheet, this low-angle tube-shaped sheet composite box becomes extremely difficult to insert into the container main body and has a bellows shape that absorbs the stress of the storage substrate. Since the support groove is fixed at the edge of the bottom portion and its flexibility is impaired, the occurrence of damage to the substrate due to internal stress generated in the substrate itself as in the substrate transport container of the present invention is reduced. I can't.

  The substrate transport container used in the present invention has the above-described configuration, and the substrate can be safely transported by storing the substrate in the container. That is, the substrate transport container used in the present invention is formed from a foamed resin excellent in impact resistance and heat insulation, and the container body and the lid are formed. Of course, it is possible to protect the resin from the internal stress generated by the stored substrate (mainly stress caused by the weight of the substrate), and the resin is arranged with a slight gap on the corresponding wall surface in the container. The sheet can be absorbed by the flexibility of the sheet, and the storage substrate can be transported or stored more safely. Furthermore, the resin sheet disposed inside the substrate transporting container of the present invention is not fixed to the corresponding wall surface and is disposed with a slight gap, but the resin sheet falls into the container. Since the resin sheet is securely arranged at a predetermined position, the resin sheet is accurately placed at a predetermined position in a substrate manufacturer that actually uses the substrate transport container. There is no need to check if it is deployed. Further, basically, the resin sheet is arranged individually and independently with respect to the wall surface as in the present invention, so that the mounting of the resin sheet becomes very simple.

  Further, by using the bottom raising member, the depth of the container can be adjusted corresponding to the substrate to be transported, and an extra space can be prevented from being formed in the container. Can be transported.

The present invention has the above-described configuration, but can be variously modified within a range that does not impair the object of the present invention.
For example, a gas exchange port may be formed in the substrate transport container, and the air in the substrate transport container may be replaced with an inert gas such as nitrogen gas or argon gas.

  In addition, a banding recess is formed on the outer periphery of the substrate transporting container to improve the sealing performance of the substrate transporting container and to facilitate banding to prevent the lid from falling off due to carelessness. Can be done.

  Such a substrate transfer container is usually used so that a stored substrate stands up. In order to clarify the loading direction of such a substrate transfer container, the loading direction of the container is set. You can also mark it clearly.

  Such a substrate transport container can be suitably used when the substrate is moved, but it is needless to say that it can be used not only when the substrate is moved but also during storage.

  Since the container main body and the lid, and the bottom raising member constituting the substrate transport container used in the present invention are formed of a resin foam excellent in impact resistance and heat insulation, external impact and external In addition to being able to protect the storage board very well against environmental changes, internal stresses generated on the board itself due to its own weight are also formed on the wall surface of the container body and the like. The resin sheet formed in the same shape as the holding groove of the board is not fixed to the wall surface, and is formed by forming a slight gap so that it is absorbed by the slight gap and the storage board is damaged. Can be prevented.

  Thus, although the resin sheet is arranged without being fixed to the corresponding wall surface, since the falling of these resin films is effectively prevented, the substrate transfer container of the present invention is in a stable state. Can be supplied at.

  Further, the lining material is inserted into the container main body in the form of a box as in the prior art, and is basically disposed on the surface of the abutting wall surface in the form of a sheet, so the substrate of the present invention The transport container can be manufactured very easily.

  In addition, by using the bottom raising member of the substrate transporting container of the present invention, it is possible to eliminate excessive space in the substrate transporting container, and this bottom raising member is very good for the resin sheet disposed on the wall surface. By using the bottom raising member, the substrate carrying container can be kept in a very stable state.

  Furthermore, by adding an antistatic agent or the like to the resin sheet, the potential generated in the substrate can be efficiently removed, so even when an electronic component such as an IC is mounted on this substrate, It is possible to prevent the mounted electronic component from being damaged by the charging voltage.

Thus, by using the substrate transport container having the above-described configuration, the substrate can be held without being damaged during transport or storage.
Such a substrate transport container can safely transport and store a substrate such as a liquid crystal substrate, a glass substrate for liquid crystal, a wiring substrate, and a circuit substrate.

FIG. 1 is an exploded perspective view of a first substrate transport container used in the present invention. FIG. 2 is an exploded perspective view of the second substrate transport container used in the present invention. FIG. 3 is an exploded perspective view showing an example of the bottom raising member of the present invention. FIG. 4 is an enlarged explanatory view showing the state of the substrate support groove in an enlarged manner. FIG. 5 is a view showing an example of a mode in which the wall surfaces 23a and 23b are protruded to prevent the wall surface substrate supporting resin sheets 22a and 22b from falling down.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... (1st) board | substrate conveyance container 11 ... (2nd) board | substrate conveyance container 12 ... Container body part 13a, 13b ... A pair of wall surface 14 ... opening part which opposes 15 ... convex portion 16 ... substrate support groove 16a ... support projection 17 ... bottom 18 ... sheet nipping slit 19 ... slight gaps 22a, 22b ... for wall surface substrate support Resin sheets 23a, 23b ... the other pair of wall surfaces 24a, 24b ... surface protecting resin sheet 25a ... ridges 25b ... projections 26 ... sheet surface support grooves 26a ... sheet surface convex Strip 27 ... Bottom 28 ... Bottom substrate supporting resin sheet 30 ... Bottom raising member 31 ... Slight gap 36 ... Lower part support groove 45 ... Lid 47 ... Lid Substrate support resin sheet 48 ... Lid support groove 60 ... Substrate

Claims (2)

  A resin for supporting a wall surface substrate that is accommodated in a container body made of foamed resin, adjusts the storage depth in the container body, and is arranged with a slight gap formed on the opposing wall surface in the container body. A bottom-up member for a container for transporting a substrate, which is a foamed resin plate-like body having a holding groove for holding a substrate housed in the container main body in cooperation with the sheet.   The bottom raising member comprises a plate-like body made of foamed resin, and a resin sheet for supporting the bottom substrate formed into a shape substantially the same as the shape of the surface of the plate-like body made of foamed resin. 2. The bottom raising member according to claim 1, wherein the bottom substrate supporting resin sheet is disposed with a slight gap on the surface.

Images