JP2007182237A - Storage container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a storage container capable of consistently storing and conveying chips by regulating any careless movement of chips. <P>SOLUTION: The storage container 10 comprises a plurality of chip trays 11 for storing a plurality of chips C, and a storage tray 12 capable of storing each chip tray 11. The chip tray 11 consists of tray members having substantially the same structure, and comprises an upper member 14 and a lower member 15 which are assembled to each other. The upper member 14 and the lower member 15 are stored in the storage tray 12 by keeping assembled, and the chips C are stored as they remain sandwiched by the upper member 14 and the lower member 15. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a storage container, and more particularly to a storage container capable of maintaining a good storage state of a plurality of chips.

  Conventionally, storage containers for transporting or storing semiconductor chips have been used. Such a storage container includes a chip tray that stores a plurality of chips, a storage tray that is provided with a larger planar size and thickness than the chip tray, and that can store a plurality of chip trays. Are known. The storage tray includes a plurality of open upper pockets, and chip trays are stored in the respective pockets. The chip tray is provided with a plurality of protrusions or protrusions protruding from the upper surface thereof, and by placing the chip on the upper surface region surrounded by the protrusions or protrusions, the outer peripheral side of the chip is substantially shortened to the plurality of protrusions or protrusions. It is stored in a state in which the movement in the surface direction is restricted by contact. Then, by storing the chip tray storing the chips in the pocket and transporting the storage tray, a plurality of chip trays are transported simultaneously.

  However, in the storage container, the chip is stored in a state where it is simply placed on the upper surface of the chip tray. For this reason, if rattling or the like occurs during the conveyance of the storage container, the chip rises unintentionally, and as a result, the chip is displaced and tilted, resulting in an incomplete storage state.

[Object of invention]
The present invention has been devised by paying attention to such inconveniences, and an object thereof is to provide a storage container capable of stably storing chips by restricting inadvertent movement of the chips. It is in.

In order to achieve the above object, the present invention includes at least one first storage body that stores a plurality of chips, and a second storage body that is capable of storing a plurality of the first storage bodies. In the storage container,
The first storage body is composed of an upper member and a lower member that can be combined with each other, and a configuration is adopted in which a chip can be stored between the upper member and the lower member.

  In the present invention, the first storage body is preferably provided in a size that fits within the thickness of the second storage body when stored in the second storage body.

  Further, the second storage body includes an engagement portion that can be engaged with the stored first storage body, and the engagement portion is provided so as to be able to maintain the combined state of the upper member and the lower member. Such a configuration is also preferably adopted.

  Further, the upper member and the lower member are constituted by tray members having substantially the same structure, and when combined vertically, the upper member and the lower member are provided so that the lower member can be closed by the upper member. Is preferred.

  The second storage body is provided so as to be vertically superposed on a second storage body of another storage container, and when the second storage bodies are vertically stacked, the second storage body is provided. It is preferable to adopt a configuration in which a chip can be stored between an upper member stored in the upper member and a lower member stored in a second storage body superimposed on the upper member.

  According to the present invention, the plurality of second storage bodies can be transported by transporting the first storage body, and the chips can be stored so as to be sandwiched between the upper member and the lower member. As a result, the chip can be prevented from unintentionally floating in the state in which the chip is stored in the second storage body, and even if there is rattling during transport, the position of the chip is avoided. Thus, the storage state can be stably maintained.

  In addition, since the size of the first storage body is set within the thickness of the second storage body, it is avoided that the thickness increases when the second storage body stores the first storage body. be able to. Therefore, the entire storage container can be made compact, and in particular, space saving can be achieved when a plurality of storage containers are stacked.

  Furthermore, since the second storage body includes an engaging portion that can be engaged with the first storage body, the first storage body can be attached to and detached from the second storage body. Moreover, not only can the first storage body be prevented from being inadvertently released from the second storage body, but also the combined state of the upper member and the lower member can be maintained. It is possible to further stabilize the storage state.

  Further, when the upper member and the lower member have substantially the same structure and the lower member can be closed by the upper member, the types of members can be reduced by sharing the upper member and the lower member, and the upper member It becomes possible to improve the handleability by eliminating the need to distinguish between the member and the lower member.

  Further, when the chip can be stored between the upper member stored in the second storage body and the lower member of the second storage body superimposed above the second member, a plurality of second storage bodies is provided. By stacking, the chip stored above the upper member is sandwiched between the upper member and the lower member. Thereby, chips can be stored on both the upper and lower sides of the upper member stored in the second storage body, and the number of chips stored in the first storage body can be increased.

  In the present specification and claims, “upper” and “lower” are used with reference to FIGS. 2 and 6 unless otherwise specified.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows a plan view of a storage container according to the embodiment, and FIG. 2 shows a front view thereof. 3 is an enlarged plan view of the main part of FIG. 1, and FIG. 4 is an enlarged perspective view of the main part of FIG. In these drawings, the storage container 10 includes a plurality of chip trays 11 serving as first storage bodies that store a plurality of chips C, and a second storage body provided so that each chip tray 11 can be stored therein. And a storage tray 12. The chip C is not particularly limited, but is a surface mount type such as a BGA type or a CSP type, and is formed in a piece shape having a substantially square planar shape, and is not shown on one side. The thing provided with many terminals is illustrated.

  As shown in FIG. 4, the chip tray 11 includes an upper member 14 and a lower member 15 that can be combined with each other. The upper member 14 and the lower member 15 are constituted by tray members having substantially the same structure on which a plurality of chips C can be placed. Therefore, in the following description, unless otherwise specified, the configuration of the upper member 14 will be described, and the configuration of the lower member 15 will be denoted by the same reference numerals and description thereof will be omitted.

  In the present embodiment, the upper member 14 is constituted by an integrally molded product using a resin material. As shown in FIGS. 3 to 7, the upper member 14 has a plate-like main body portion 17 having a substantially square shape in plan view, and projects from the upper surface side of the main body portion 17 so as to be predetermined in the vertical and horizontal directions in FIG. A plurality of first projections 18 having a substantially rectangular planar shape provided at intervals, and a plurality of second projections projecting downward from the lower surface side of the main body portion 17 to form a substantially cross-shaped planar shape (see FIG. 5). The projection 19 and the rectangular rib 20 that hangs down from the outer peripheral side of the lower surface of the main body portion 17 are provided.

  As shown in FIG. 7, the main body portion 17 is provided in a shape in which an outer peripheral side region 17 </ b> A is lowered via a stepped portion 17 </ b> B. As shown in FIG. 3, recesses 22 are formed on both the upper and lower sides of the main body portion 17 on the left and right ends in the figure. Further, among the corners K of the main body portion 17, one corner K (lower left corner in FIG. 3) is formed in a tapered shape, and the circumferential direction of the upper member 14 is easily recognized by the position of the corner K. It can be done.

  The first protrusions 18 are provided on the upper surface of the main body 17 at positions along the four sides of the chip C placed at predetermined intervals along the vertical and horizontal directions in FIG. That is, a chip is formed between a pair of first protrusions 18, 18 adjacent in the vertical direction in FIG. 3 and the first protrusions 18, 18 located on the left and right sides of the first protrusions 18, 18. C is accommodated so that the horizontal movement of the chip C can be regulated.

  As shown in FIG. 5, the second protrusions 19 are provided at predetermined intervals along the vertical and horizontal directions in the same figure. Specifically, the second protrusions 19 are provided below the storage position of each chip C (see FIG. 5). 5 on the front side in the direction orthogonal to the middle sheet surface). As shown in FIG. 7, the protrusion amount h <b> 1 of the second protrusion 19 from the lower surface of the main body portion 17 is set to be smaller than the protrusion amount h <b> 2 of the first protrusion 18 from the upper surface of the main body portion 17. Thus, when the upper member 14 and the lower member 15 are stacked one above the other (see FIG. 6), the lower surface of the main body portion 17 of the upper member 14 and the upper surface of the first protrusion 18 of the lower member 15 come into contact with each other. The chip C can be sandwiched and stored between the lower surface of the second protrusion 19 of the member 14 and the upper surface of the main body portion 17 of the lower member 15.

  The rectangular rib 20 is provided in a substantially square planar shape having a shape in which the inner peripheral surface is slightly outside the stepped portion 17B. Therefore, when the upper member 14 and the lower member 15 are stacked one above the other, the rectangular rib 20 of the upper member 14, the stepped portion 17B of the lower member 15, and the first protrusions 18 along this fit, and the upper member 14 and the lower member 15 are combined with each other.

  Although the said storage tray 12 is not specifically limited, In this embodiment, it is comprised by the integrally molded product using appropriate resin materials, such as ABS. As shown in FIG. 8, the storage tray 12 includes a plate-shaped tray forming body 24 provided in a horizontally-long rectangular shape, and a suctioned portion 25 provided in the center of the surface of the tray forming body 24. The tray forming body 24 is formed at four locations on both the left and right sides in FIG. 8, and the storage portion 26 for storing the chip tray 11 therein, and the frame-like body 27 formed on the outer periphery of the tray forming body 24, It is configured with.

  The adsorbed part 25 is formed by a substantially flat surface provided at a position surrounded by a frame-shaped rib 29 having a substantially square planar shape, and passes through a predetermined adsorption grid used for transporting the storage container 10 or the like. It becomes an area to be adsorbed. The frame-like rib 29 is provided so that its upper end surface is located on the same plane as the upper surface of the tray forming body 24. Accordingly, the attracted portion 25 is positioned at a position lower than the upper surface of the tray forming body 24 so as to be substantially parallel to the upper surface. Note that lattice-shaped ribs 30 having substantially the same upper end surface height as the frame-shaped ribs 29 are provided at positions surrounding the frame-shaped ribs 29.

  As shown in FIG. 4, each storage section 26 is provided with a loading / unloading port 32 having a planar shape slightly larger than the upper member 14, and the chip tray 11 can be loaded and unloaded through the loading / unloading port 32. The storage portion 26 includes a peripheral wall portion 33 that extends downward from the access port 32, a flange portion 34 that forms an engagement portion that protrudes inward from the lower end side of the peripheral wall portion 33, and the access port 32 in FIG. Provided with a plurality of locking piece portions 36 constituting engaging portions provided on both upper and lower sides and a plurality of positioning projections 37 connected to the peripheral wall portion 33 located on both the left and right sides in the figure, the inside of the flange portion 34 being open It is provided in the shape.

  A pair of left and right cutout portions 38 are formed in the peripheral wall portion 33 located above and below in FIG. As shown in FIG. 4, each notch portion 38 is formed from the tray forming body 24 to the flange portion 34 and is sized to receive the lock piece portion 36.

  As shown in FIG. 9, the lock piece 36 is provided inside each notch 38, and the lock piece 36 is arranged in the vertical direction as shown in FIGS. 6 and 7. A projecting portion 40 that is located along the top and projects inwardly is provided at the upper end thereof. The protrusion 40 is formed in a substantially semicircular arc shape when viewed in cross section, and is provided so as to be engageable with the outer peripheral portion of the main body portion 17 of the upper member 14 when the chip tray 11 is stored in the storage portion 26. . Further, the lock piece portion 36 is connected to the inner peripheral surface side of the cutout portion 38 via the connection pieces 41 and 41 on both sides in the width direction on the lower end side, and the connection pieces 41 and 41 and the lock piece portion 36 themselves are elastic. By deforming, the upper side can swing.

  Two positioning protrusions 37 are provided on each of the upper and lower sides of the peripheral wall portion 33 located on both the left and right sides of FIG. 3 and are received in the recess 22 when the chip tray 11 is stored in the storage portion 26. It is provided at the position. Therefore, when the chip tray 11 is to be stored in the storage portion 26 in a state where the chip tray 11 is rotated by 90 ° in the circumferential direction from the position shown in FIG. 3, the positioning protrusion 37 and the outer peripheral side region 17A of the main body portion 17 are formed. The chip tray 11 cannot be stored in the storage unit 26 due to interference. That is, when the chip tray 11 is stored in the storage portion 26 so that the positioning protrusion 37 and the outer peripheral side region 17A do not interfere with each other, the tapered corner K is located at the position shown in FIG. Positioning is performed at a position rotated by 180 ° with respect to the position.

  Here, as shown in FIG. 6, the depth of the storage portion 26 is such that when the chip tray 11 in which the upper member 14 and the lower member 15 are combined is stored, the chip tray 11 falls within the thickness of the storage tray 12. It is set to fit. That is, in the state of FIG. 6, the upper end surface of the first protrusion 18 in the upper member 14 is positioned substantially on the same plane as the upper surface of the tray forming body 24, while the lower surface of the rectangular rib 20 of the lower member 15 is a frame shape. It is located above the lower part of the body 27 so as not to protrude.

  The frame-like body 27 is suspended from the outer peripheral side of the tray forming body 24, and has a stepped portion 27 </ b> A having a height lower than the upper surface of the tray forming body 24. Here, as shown in FIG. 10, when a plurality of storage containers 10 are stacked one above the other, the lower end surface of the frame-like body 27 of the other storage container 10 is placed and fits on the stepped portion 27 </ b> A. . In addition, the recessed part 43 which makes a downward concave shape (refer FIG. 2) is each formed in the left-right both sides of the frame-shaped body 27 located in the up-and-down both sides in FIG. Further, hook portions 44 each having a hook shape when viewed from the front are continuously provided on the left and right sides of the frame 27 in FIG.

In the above configuration, when the chip C is stored in the storage container 10, first, as shown in FIG. 4, the main body portion so that the four sides of the chip C face the four first protrusions 18 of the lower member 15. 17 is mounted. Next, the step 17B of the lower member 15 and the first protrusion 18 along the step 17B and the square rib 20 of the upper member 14 are fitted to each other to combine the upper member 14 and the lower member 15 up and down. As a result, the second protrusion 19 of the upper member 14 is positioned above each chip C on the lower member 15, and the upper member 14 closes the lower member 15 by preventing the chip C from being lifted. The Thereafter, the orientation of the chip tray 11 is set so that the positioning protrusions 37 are received in the respective concave portions 22 of the upper member 14 and the lower member 15, and the chip tray 11 is pushed into the storage portion 26 of the storage tray 12. . At this time, the outer peripheral region 17A of the upper member 14 and the lower member 15 slides on the surface of the protruding portion 40 of the lock piece portion 36, and the lock piece portions 36 are deformed so as to fall outward. Then, the lock piece portion 36 returns to the initial position in a state where the lower surface of the outer peripheral side region 17A of the lower member 15 is placed on the flange portion 34, and the lock piece portion 36 protrudes from the upper surface of the outer peripheral side region 17A of the upper member 14. Part 40 engages. As a result, the chip tray 11 is vertically sandwiched by the protrusions 40 of the flange portion 34 and the lock piece portion 36, the vertical movement of the chip tray 11 is restricted, and the combined state of the upper member 14 and the lower member 15 is maintained. In this state, it is stored in the storage unit 26.
It should be noted that the same state as shown in FIG. 1 is obtained by similarly storing the chip tray 11 storing the chips C in the other storage units 26.

  In this state, similarly to the lower member 15 described above, a plurality of chips C can be stored above the upper member 14. As shown in FIG. 10, the upper region of these chips C is covered by overlapping two storage containers 10 on the top and bottom. That is, when another storage container 10 is superimposed from above on the lower storage container 10 in FIG. 10 in which the chip C is stored in the upper part of the upper member 14, the second member 15 in the lower member 15 of the other storage container 10 is overlapped. The two protrusions 19 are positioned above the respective chips C.

  When the chip C is taken out from the storage container 10, a forced external force is applied to the chip tray 11 to push the chip tray 11 toward the loading / unloading port 32, and the chip tray 11 and each lock piece 36 are engaged. To release. Thereafter, by separating the upper member 14 from the lower member 15, the chip C is exposed and can be taken out.

Therefore, according to such an embodiment, since the chip C is stored so as to be sandwiched between the upper member 14 and the lower member 15, the plurality of chip trays 11 are integrally conveyed by the storage tray 12, It is possible to prevent inadvertent displacement and dropping of the chip C during conveyance.
Further, since the vertical movement of the chip tray 11 is restricted by the flange portion 34 and the lock piece portion 36 of the storage portion 26, each chip C is taken out by removing the chip tray 11 from the storage portion 26 after turning the storage tray 12 upside down. It can be easily reversed, and a test process for inspecting both sides of the chip C can be quickly performed.
Furthermore, by stacking the plurality of storage containers 10 vertically, the chip C placed on the upper part of the upper member 14 is covered with the lower member 15, and the chip C can be stored better.

The best configuration, method and the like for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this.
That is, the present invention has been particularly shown and described with respect to particular embodiments, but is not limited to the embodiments described above without departing from the scope and spirit of the present invention. Various modifications can be made by those skilled in the art in terms of position, orientation, and other detailed configurations.
Therefore, the description limited to the shape disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded one part or all part is included in this invention.

For example, in the above-described embodiment, the number of storage units 26 may be increased or decreased as necessary, and at least one chip tray 11 may be stored in a plurality of storage units 26.
Moreover, you may give a different color to the chip tray 11 and the storage tray 12, and, thereby, attachment / detachment of the chip tray 11 with respect to the storage tray 12 can be performed more smoothly.
Furthermore, the upper member 14 and the lower member 15 may be subjected to various design changes according to the planar size of the chip C and the allowable number of storage.

Further, the number and the formation area of the lock piece portions 36 may be changed as long as the movement of the chip tray 11 in the storage portion 26 can be restricted.
Further, in the lock piece portion 36, the protrusions 40 are formed not only on the upper portion but also in the intermediate portion in the vertical direction. Good. As a result, the projecting portions 40, 40 can be engaged with both the upper member 14 and the lower member 15 stored in the storage portion 26 to ensure a stable storage state, and one upper member is provided in the storage portion 26. Even in the case where the upper member 14 is stored, the upper member 14 and the protruding portion 40 can be engaged to restrict the vertical movement of the upper member 14.

The schematic plan view of the storage container which concerns on embodiment. The front view of FIG. The principal part enlarged plan view of FIG. The principal part expansion disassembled perspective view of FIG. The bottom part of the upper member. Sectional drawing which follows the AA line of FIG. FIG. 7 is an exploded sectional view of FIG. 6. The top view similar to FIG. 1 which abbreviate | omitted the chip tray. FIG. 4 is an exploded view taken along a line BB in FIG. Sectional drawing similar to FIG. 6 which shows the state which accumulated two storage containers.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Storage container, 11 ... Chip tray (1st storage body), 12 ... Storage tray (2nd storage body), 14 ... Upper member, 15 ... Lower member, 34 ... Flange part (engagement part), 36 ... Lock piece part (engagement part), C ... Chip

Claims (5)

In a storage container including at least one first storage body that stores a plurality of chips, and a second storage body that is capable of storing a plurality of the first storage bodies.
The first storage body includes an upper member and a lower member that can be combined with each other, and a chip is provided between the upper member and the lower member so that the chip can be stored therein.   The storage container according to claim 1, wherein the first storage body is provided in a size that fits within a thickness of the second storage body when stored in the second storage body. .   The second storage body includes an engaging portion that can be engaged with the stored first storage body, and the engaging portion is provided so as to maintain the combined state of the upper member and the lower member. The storage container according to claim 1 or 2.   The upper member and the lower member are constituted by tray members having substantially the same structure, and when the upper member and the lower member are combined vertically, the upper member and the lower member are provided so that the lower member can be closed by the upper member. Item 1, 2 or 3 storage container.   The second storage body is provided so as to be vertically superposed on a second storage body of another storage container, and is stored in the second storage body when the second storage bodies are vertically stacked. 5. The chip according to claim 1, wherein a chip can be stored between the upper member formed and the lower member stored in the second storage body superimposed on the upper member. The storage container described.

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