KR20130132830A - Desiccant container and adhesive-tape reel - Google Patents

Abstract

The desiccant container 1 of this invention is equipped with the winding core 22 by which the adhesive tape T was wound, and the pair of side plates 23 and 24 provided between the winding core 22, and the adhesive tape T A desiccant container (1) used for an adhesive tape reel (21) provided with a shaft hole (25) passing through a rotating shaft of an apparatus for winding or unwinding of the device, wherein the desiccant (1) has a shape that fits within the shaft hole (25). A main body portion 2 having a hollow portion in which K) is accommodated, and a flange portion 3 provided in the main body portion 2 and in contact with the outer surface of the side plate when the main body portion 2 is disposed in the shaft hole 25. It is characterized by comprising: By this structure, even when this desiccant container 1 is set to the reel 21 for adhesive tapes with a narrow space | interval between the side plates 23 and 24, the reel 21 for adhesive tapes is accommodated neatly in a packing bag. It becomes possible.

Description

Desiccant Reel and Adhesive Tape Reel {DESICCANT CONTAINER AND ADHESIVE-TAPE REEL}

The present invention relates to a desiccant receiver and a reel for an adhesive tape.

As an adhesive tape used for the connection of the to-be-connected member which has many electrodes, and fixing of a lead frame, an anisotropic conductive tape is known, for example. In the anisotropic conductive tape, for example, when connecting a semiconductor element such as IC or LSI to a substrate such as a printed wiring board, a glass substrate for LCD, a flexible printed circuit board, or the like, the opposite electrodes are connected to each other while the adjacent electrodes are insulated from each other. State can be maintained. Such an adhesive tape is formed by, for example, forming an adhesive layer containing an adhesive component containing a thermosetting resin and a conductive particle to be blended as necessary on a substrate such as a polyethylene terephthalate film (PET). It is produced by cutting long in width.

The adhesive tape as described above is stored, transported, and used, for example, in a state of being wound on a reel for an adhesive tape provided with a core and a pair of side plates provided with the core interposed therebetween. Conventionally, in the reel for adhesive tape, a desiccant is enclosed in the bag which accommodates the reel for adhesive tape in order to suppress what is called edge fusion phenomenon which the resin composition of an adhesive tape pushes outward from the winding body of the adhesive tape wound by the core. Techniques to say were adopted. For example, in patent document 1, the thing which contained the desiccant in the bag-like sheet | seat is used, In patent document 2, the dehumidification sheet is arrange | positioned at the edge part of the roll-shaped thing which wound the laminated body film at the core.

Japanese Patent Laid-Open No. 2001-159814 Japanese Patent Laid-Open No. 2002-37379

By the way, the above-mentioned adhesive tape may have a narrow width of several mm. In the reel for adhesive tape which winds up such an adhesive tape, the space | interval between side plates becomes narrow according to the width | variety of an adhesive tape. For this reason, when it is going to apply the conventional method of accommodating a desiccant, the desiccant was largely pushed out from the reel for adhesive tape, and it was difficult to reliably accommodate the reel for adhesive tape and a desiccant in a bag.

This invention is made | formed in order to solve the said subject, Comprising: It aims at providing the desiccant receiver which can be set to the reel for adhesive tapes in the state which suppressed the push-out.

In order to solve the above problems, the desiccant receiver of the present invention includes a winding core in which an adhesive tape is wound, and a pair of side plates provided with the winding core in between, and an axis passing through a rotating shaft of an apparatus for winding or unwinding the adhesive tape. A desiccant container used for a reel for an adhesive tape provided with a hole, which has a shape that fits in a shaft hole, and which has a hollow part in which a desiccant is accommodated, and which is provided in the body part, when the body part is disposed in the shaft hole, And a flange portion in contact with the outer surface.

In this desiccant container, when the main body portion in which the desiccant is accommodated is disposed in the shaft hole of the reel for adhesive tape, the flange portion provided in the main body portion is in contact with the outer surface of the side plate of the reel for adhesive tape, and the flange portion is the outer surface of the side plate. It can hold | maintain in the state which clamped the main body part to the axial hole of the reel for adhesive tapes. At this time, since only the flange part along the outer side surface of a side plate is located in the outer side of the reel for adhesive tapes, the drier container is suppressed from being pushed out. Therefore, even when this desiccant container is set to the reel for adhesive tape with a narrow space | interval between side plates, it becomes possible to reliably accommodate the reel for adhesive tape in a packing bag.

Moreover, it is preferable that a main body part has a cross section circular shape. In this case, the main body can be inserted into the shaft hole more easily.

Moreover, it is preferable that the flange part is provided in an annular shape over the whole periphery of the main body part at the one end side of a main body part. In this case, since a flange part is reliably caught by the outer side surface of a side plate, a main body part can be hold | maintained more stably in an axial hole.

Moreover, it is preferable that a flange part protrudes from a part of main body part at the one end side of a main body part. In this case, since the shape of a flange part can be simplified, the cost of a desiccant container can be reduced.

Moreover, it is preferable that the some hole part which communicates with a hollow part is provided in the wall part of the other end side of a main body part. In this case, a suction port and a discharge port are formed, and it can be expected to exhibit an effective drying capability.

Moreover, it is preferable that the hole part narrows as it goes inward from the outer side of a wall part. In this case, it can be expected to prevent the desiccant component from overflowing from inside to contaminate the product.

Moreover, it can be set as the reel for adhesive tapes which sets said desiccant receiver to a shaft hole.

According to this invention, a desiccant receiver can be set to the reel for adhesive tapes in the state which suppressed protruding.

1 is a perspective view showing a desiccant container and a reel for an adhesive tape applying the same according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1.
It is a figure which shows an example of the adhesive tape wound on the reel for adhesive tape.
Fig. 4 is an enlarged perspective view of the desiccant container shown in Fig. 1.
FIG. 5 is a side view of the desiccant container shown in FIG. 4. FIG.
6 is a cross-sectional view taken along the line VI-VI of FIG. 4;
The figure which shows the packing state of the reel for adhesive tape which set the desiccant container.
8 is an enlarged perspective view showing a desiccant container according to a modification.
9 is an enlarged perspective view showing a desiccant container according to another modification.

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of the desiccant container which concerns on this invention is described in detail, referring drawings. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a desiccant container and a reel for an adhesive tape to which the same is applied according to one embodiment of the present invention. FIG. 2 is a diagram illustrating a cross section taken along the line II-II of FIG. 1.

As shown in FIG. 1 and FIG. 2, the desiccant container 1 is used for the reel 21 for adhesive tapes. The reel 21 for an adhesive tape has the 1st side plate 23 which has the winding core 22 in which the adhesive tape T, such as an anisotropic conductive tape, was wound, and the winding core 22 between the 1st side plates 23 The 2nd side plate 24 arrange | positioned so that it may face is provided. This reel 21 for adhesive tapes is used when manufacturing, supplying, and storing adhesive tape T. As shown in FIG.

First, the adhesive tape T is demonstrated. The adhesive tape T is used, for example, as a connecting material for performing electrical connection and mechanical fixation so as to maintain the insulation between adjacent electrodes while maintaining the conducting state of the opposite electrodes. The length of the adhesive tape T is about 50 m-1000 m normally, and is 300 m or more in this embodiment. Further, the width of the adhesive tape T is 0.5 mm to 10 mm, preferably 0.5 mm to 3.0 mm, more preferably 0.5 mm to 2.0 mm. The thickness of the adhesive tape T is 5 µm to 100 µm, preferably 10 µm to 40 µm, more preferably 10 µm to 20 µm.

The adhesive tape T consists of the base material 91 and the adhesive bond layer 92 provided on the base material 91, for example as shown in FIG. In addition, in the adhesive tape T, various films may be further provided on the adhesive bond layer 92. The base material 91 used for the adhesive tape T is, for example, stretched polypropylene (OPP), polyethylene terephthalate (PET), polyethylene naphthalate, polyethylene isophthalate and polybutyl in terms of strength and peelability of the adhesive. Various tapes including lenterephthalate, polyolefin, polyacetate, polycarbonate, polyphenylene sulfide, polyamide, ethylene / vinyl acetate copolymer, polyvinyl chloride, polyvinylidene chloride, synthetic rubber system, liquid crystal polymer, etc. It is possible to use. Especially, the material which comprises a base material is not limited to this. Moreover, as the base material 91, what performed the mold release process to the contact surface with an adhesive bond layer, etc. can also be used. Release agents include olefin-based release agents, low melting point waxes such as ethylene glycol montanate, carnauba wax, petroleum wax, low molecular weight fluorine resins, silicone- or fluorine-based surfactants, oils, waxes, resins, polyester-modified silicone resins Etc. are used, and silicone resins are particularly common.

The adhesive bond layer 92 used for the adhesive tape T generally contains resin, such as a thermoplastic resin, a thermosetting resin, or the mixed system (mixed resin) of a thermoplastic resin and a thermosetting resin. The following are mentioned as a typical thing of such resin. Examples of the thermoplastic resins include styrene resins and polyester resins, and thermosetting resins include epoxy resins, acrylic resins, and silicone resins.

Moreover, the adhesive bond layer 92 consists of an adhesive composition which consists of an adhesive agent component and the electrically-conductive particle contained as needed, for example. As an adhesive component, the material which shows sclerosis | hardenability with heat and light can be applied widely, for example. Since it is excellent in the heat resistance and moisture resistance after connection, use of a crosslinkable material is preferable. The epoxy adhesive which contains the epoxy resin which is a thermosetting resin as a main component is preferable because it has the characteristics of being able to harden for a short time, favorable connection workability, and excellent adhesiveness in molecular structure. Moreover, the radical hardening type adhesive composition as described in international publication 2009/063827 can also be used. As the epoxy adhesive, for example, those having a high molecular weight epoxy resin, a solid epoxy resin or a liquid epoxy resin, or epoxy modified with urethane, polyester, acrylic rubber, nitrile rubber (NBR), synthetic linear polyamide, or the like can be used. have. The epoxy-based adhesive is generally formed by adding a curing agent, a catalyst, a coupling agent, a filler, and the like to the above-mentioned epoxy constituting the main component.

As electroconductive particle, particle | grains of metal, such as Au, Ag, Pt, Ni, Cu, W, Sb, Sn, solder, and carbon, are mentioned, for example. In addition, coated particles in which non-conductive glass, ceramics, plastics, and the like are used as cores and the cores are covered with the metals and carbons described above can also be used. The average particle diameter of the conductive particles is preferably 1 µm to 18 µm in terms of dispersibility and conductivity. Moreover, the insulating coating particle which coat | covered electroconductive particle with the insulating layer can also be used, and a conductive particle and insulating particle can also be used together from a viewpoint of improving the insulation of adjacent electrodes.

It is preferable that it is 0.1-30 volume parts with respect to 100 volume parts of the adhesive component contained in the adhesive bond layer 92, and, as for the compounding ratio of electroconductive particle, it is more preferable that it is 0.1-10 volume parts. When this compounding ratio is less than 0.1 volume part, there exists a tendency for the connection resistance between opposing electrodes to become high, and when it exceeds 30 volume parts, there exists a tendency for the short circuit between adjacent electrodes to occur easily. In addition, about the component contained in these adhesive bond layers 92, its compounding quantity, a compounding method, etc., it is possible to use the component described in international publication 2009/063827, its compounding quantity, a compounding method, etc.

Next, the structure of the 1st side plate 23 and the 2nd side plate 24 of the reel 21 for adhesive tapes is demonstrated. As shown in FIG. 1, the 1st side plate 23 is a disc which consists of plastics, for example. The thickness of the first side plate 23 is, for example, 0.5 mm to 5.0 mm, preferably 0.9 mm to 3.0 mm, more preferably 1.0 mm to 2.0 mm. The outer diameter of the 1st side plate 23 is suitably set according to the length (diameter of the winding body of adhesive tape T) of the adhesive tape T to wind up, for example, 100 mm-500 mm, More preferably, 125 mm to 250 mm. In the center of the first side plate 23, an opening 40 having a circular section is provided.

The core 22 is a part which winds up the adhesive tape T. As shown in FIG. The core 22 is made of plastic, for example, and has an annular shape having the same thickness as that of the adhesive tape T. The outer diameter of the winding core 22 is made constant regardless of the kind of the adhesive tape T, for example. In the present embodiment, the core 22 is fixed to the inner side surface 23a of the first side plate 23 so as to surround the opening 40 of the first side plate 23.

In addition, the cylindrical member 30 is inserted in the opening part 40 of the 1st side plate 23. As shown in FIG. The cylindrical member 30 is made of, for example, plastic, similarly to the core 22. The cylindrical member 30 has a thickness obtained by adding the thickness of the first side plate 23 to the thickness of the second side plate 24 and the thickness of the winding core 22, and are approximately equal in thickness (for example, 4.5 mm to 11 mm). Have Thereby, one end side of the cylindrical member 30 penetrated by the opening part 40 of the 1st side plate 23 protrudes from the side surface of the core 22 by the amount of protrusion similar to the thickness of the 2nd side plate 24. FIG. It is a projection. Moreover, as the center part of the reel 21 for adhesive tapes, the axial hole 25 is provided in the center part of the cylindrical member 30. As shown in FIG. The shaft hole 25 is a part into which the rotating shaft of a winding apparatus or an unwinding apparatus (not shown) is inserted. When the rotary shaft is driven in the state in which the rotary shaft of the winding-up apparatus or the unwinding apparatus is inserted in this shaft hole 25, the reel 21 for adhesive tapes rotates without turning. As shown in FIG. 1, the axial hole 25 is a key hole as a whole by the circular hole part 25a arrange | positioned at the center and the long hole part 25b which protrudes from a part of the hole part 25a. It is shaped like this. The inner diameter of the hole 25a is, for example, 15 mm to 30 mm.

Similarly to the first side plate 23, the second side plate 24 is a disc made of plastic, for example. The thickness of the second side plate 24 is, for example, 0.5 mm to 5.0 mm, preferably 0.9 mm to 3.0 mm, more preferably 1.0 mm to 2.0 mm. In addition, the outer diameter of the 2nd side plate 24 is suitably set according to the length (diameter of the winding body of the adhesive tape T) of the adhesive tape T to wind up, for example, 100 mm-500 mm, More preferable Preferably from 125 mm to 250 mm. In the present embodiment, the outer diameter of the second side plate 24 is equal to the outer diameter of the first side plate 23. Moreover, the opening part of the circular cross section of the same diameter as the opening part 40 of the 1st side plate 23 is provided in the center part of the 2nd side plate 24. As shown in FIG.

As shown in FIG. 2, the inner side surface 23a of the first side plate 23 faces the inner side surface 24a of the second side plate 24. The outer side surface 23c of the first side plate 23 and the outer side surface 24c of the second side plate 24 are flat surfaces. The 2nd side plate 24 has the protrusion part of the cylindrical member 30 penetrated into the opening part of the 2nd side plate 24, and the inner side surface 24a of the 2nd side plate 24 was in contact with the side surface of the winding core 22. As shown in FIG. It is fixed to the cylindrical member 30 in a state.

Next, the desiccant container 1 in this embodiment is demonstrated in detail using FIGS. FIG. 4 is an enlarged perspective view of the desiccant container shown in FIG. 1. FIG. 5 is a side view of the desiccant container shown in FIG. 4. FIG. FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. 4.

The desiccant container 1 is used for the reel 21 for adhesive tape as mentioned above, and is equipped with the main-body part 2 and the flange part 3. As shown in FIG. The main body part 2 is a main body part which accommodates a desiccant K, and has a hollow part in which the desiccant K is accommodated. The main body 2 has a shape and a size that fit within the shaft hole 25 of the reel 21 for an adhesive tape. In the present embodiment, the main body 2 has a circular cross section, and has a cylindrical shape as a whole. The outer diameter R1 of the main body 2 is the same diameter as the inner diameter of the hole 25a of the shaft hole 25 of the reel 21 for an adhesive tape. The outer diameter R1 of the main body 2 is, for example, 15 mm to 30 mm. It is preferable that it is 50%-100% of the inside diameter of the hole part 25a, and, as for this outer diameter R1, it is more preferable that it is 60%-99%. The thickness T of the main body 2 shown in FIG. 6 is, for example, 0.5 mm to 2.0 mm, preferably 0.8 mm to 1.1 mm. In order to prevent the main body 2 from being pushed out of the outer surface of the reel 21 for the adhesive tape, the height of the main body 2 (in this embodiment, from one end 2c to the other end of the main body 2). Distance) It is preferable that H be less than the distance between the outer side surface 23c of the 1st side plate 23, and the outer side surface 24c of the 2nd side plate 24, for example, 1 mm-30 mm, preferably 3 mm to 11 mm. In addition, this height H becomes below the thickness of the cylindrical member 30 mentioned above. If the main body portion 2 is not pushed out from the outer surface of the reel 21 for adhesive tape, the arrangement ease can be ensured when the desiccant container 1 packs the reel 21 for the adhesive tape. . Among them, the main body 2 may be pushed out of the outer surface of the bonding reel 21 within a range that does not hinder the ease of arrangement during packing. In this case, the amount of the main body 2 pushed out from the outer surface of the reel 21 for bonding is preferably 30% or less of the height H of the main body 2, more preferably 20% or less, and 10 It is more preferable that it is% or less.

The flange part 3 is provided in the one end 2c side of the main body 2b of the main body part 2, and the other end side of the main body 2b of the main body part 2 becomes the wall part 2a. The wall portion 2a is provided with a plurality of hole portions 7 and 7 communicating with the hollow portion. In the present embodiment, two hole portions 7 and 7 are provided in the wall portion 2a. The suction holes and the discharge ports are formed by the plurality of holes 7 and 7, which can be expected to exhibit an effective drying ability. The diameter of the hole 7 is, for example, 0.1 mm to 0.5 mm. 6, it is preferable that the hole part 7 narrows as it goes inward from the outer side of the wall part 2a. According to this structure, it can be expected to prevent the desiccant component from overflowing and contaminating a product.

It is preferable to use a softer material than the material of the reel 21 for an adhesive tape for the main body part 2, and examples of such a material include polystyrene, polyethylene, polypropylene, polyurethane, expanded polystyrene, and the like. have. In this case, when inserting the desiccant container 1 into the reel 21 for adhesive tapes, it can prevent that a scratch arises in the reel 21 for adhesive tapes. Moreover, since these raw materials are hard to peel off, contamination to the adhesive tape T resulting from the raw material of the main-body part 2 can be prevented.

The flange 3 is provided in an annular shape over the entire circumference of the main body 2 at one end 2c side of the main body 2. In the example shown in FIG. 6, the thickness T of the flange part 3 is equivalent to the thickness T of the main body part 2, for example, 0.5 mm to 2.0 mm, preferably 0.8 mm to 1.1. It is in mm. Moreover, it is preferable that the outer diameter R2 of the flange part 3 is larger than the inner diameter of the hole part 25a, and is 20 mm-40 mm, for example. It is preferable that this outer diameter R2 is 101 to 300% of the hole part 25a, It is more preferable that it is 105 to 200%, It is especially preferable that it is 110 to 180%. The width W of the flange portion 3 is preferably, for example, 3 mm to 30 mm, more preferably 4 mm to 20 mm, and particularly preferably 5 mm to 10 mm. As for the flange part 3, it is preferable that the material softer than the material of the reel 21 for adhesive tapes is used similarly to the main body part 2, As such a material, for example, polystyrene, polyethylene, polypropylene, polyurethane And expanded polystyrenes. In this case, when inserting the desiccant container 1 into the reel 21 for adhesive tapes, there is no possibility that a flaw may arise in the reel 21 for adhesive tapes. Moreover, since these raw materials are hard to peel off, the contamination by the adhesive tape T resulting from the raw material of the flange part 3 can be prevented. It is preferable that the flange part 3 is in contact with the outer side surface of the side plate (for example, the outer side surface 23c of the 1st side plate 23) when the main-body part 2 is arrange | positioned in the axial hole 25. As shown in FIG. Do. It is preferable that the surface of the flange part 3 also contacts the outer surface of the cylindrical member 30 in which the axial hole 25 is provided.

In this embodiment, the flange part 3 is integrally formed with the main body part 2, and the desiccant container 1 has the shape like what is called a hat which consists of the main body part 2 and the flange part 3. As shown in FIG. . In addition, the desiccant container 1 is provided with the sealing part 5. The sealing part 5 is sealing members, such as a thin film, for example. The sealing part 5 seals the hollow part which accommodates the desiccant K of the main body part 2, and is adhere | attached on the bottom face of the flange part 3. The planar shape of the sealing part 5 is circular, and the outer diameter of the sealing part 5 is set to the same diameter as the outer diameter R2 of the flange part 3. It is preferable that the thickness of the sealing part 5 is 0.1 mm-2 mm, for example, It is more preferable that it is 0.1 mm-1 mm, It is especially preferable that it is 0.1 mm-0.5 mm. In the example shown in FIG. 6, the surface of the sealing part 5 is parallel to the surface of the wall part 2a of the main body part 2, and the flange part 3. As shown in FIG. As the sealing part 5, sheets with an adhesive layer, such as PET films, plastic films, such as polyethylene, a polystyrene, and an OPP film, and paper with moisture resistance, are used, for example.

More specifically, the sealing portion 5 is provided with, for example, JIS as Z-0208 is the moisture permeability is 30, which provisions g / m ^2/24 by properly combining hr or less material, a water vapor permeability 10 g / m ^2/24 The thing adjusted to hr or less is used. The moisture permeability is 30 g / m ^2/24 hr or less material is, for example, ethylene-vinyl alcohol copolymer, polyvinylidene chloride, polyacrylonitrile, biaxially stretched polyester, high density polyethylene, low density polyethylene, lead-free new polypropylene, aluminum Park et al. In addition, as the sealing part 5, various vapor deposition sheets like vapor-depositing aluminum to polyester can be used.

The desiccant (K) accommodated in the desiccant container (1) is for dehumidifying, for example, an inorganic material, an absorbent polymer, or a combination of an inorganic material and an absorbent polymer. The inorganic material is, for example, lime (calcium oxide, calcium hydroxide), silica gel, calcium chloride, zeolite, lithium chloride, or the like. The absorbent polymer is, for example, cross-linked polyacrylic acid sodium acetate, vinyl acetate-acrylic acid ester copolymer saponified product, vinyl acetate-methyl maleate copolymer saponified product, isobutylene-maleic anhydride copolymer crosslinked product, starch-acrylonitrile graft It is 1 type, or 2 or more types of combinations, such as a copolymer saponification, a starch-acrylic-acid graft polymer, a polysaccharide-acrylic-acid graft polymer, the crosslinked material of polyvinyl alcohol, and the crosslinked material of polyethylene oxide. The desiccant K has a block-shaped cylindrical shape, for example, and the diameter of the desiccant K becomes about several mm to several tens of mm, for example.

As described above, in the desiccant container 1 according to the present embodiment, the body portion 2 in which the desiccant K is accommodated is the hole 25a of the shaft hole 25 (of the reel 21 for an adhesive tape). ), The flange portion 3 provided on the main body portion 2 contacts the outer surface of the side plate of the reel 21 for adhesive tape (for example, the outer surface 23c of the first side plate 23). When the flange part 3 is caught by the outer surface of the said side plate, the main-body part 3 was put in the axial hole 25 (hole part 25a of the reel 21 for adhesive tapes). I can keep it. At this time, since only the flange part 3 along the outer surface of the side plate is located on the outer side of the reel 21 for adhesive tapes, the desiccant container 1 is suppressed from being pushed out. Therefore, when this desiccant container 1 is set to the reel 21 for adhesive tapes with a narrow space | interval between the side plates 23 and 24, the reel 21 for adhesive tapes is shown, for example in FIG. It becomes possible to reliably accommodate in the bag bladder 80 which has the thin insertion slot 81 as described above. In addition, by setting the desiccant K in the shaft hole 25, the dehumidification around the shaft hole 25 can be effectively performed, and the adhesive tape T wound around the core 22 of the reel 21 for adhesive tape. Can reduce the adhesive force.

In addition, as mentioned above, it is preferable that the outer diameter R1 of the main-body part 2 is set to the diameter same as the inner diameter of the hole part 25a of the axial hole 25 of the reel 21 for adhesive tapes, In this case, the main body 2 can be inserted into the hole 25a of the shaft hole 25 without a gap. Therefore, even when the main body portion 2 of the desiccant receptacle 1 is carried into the hole portion 25a and the adhesive tape reel 21 is carried, the main body portion 2 can be securely held in the shaft hole 25 It is possible to keep the desiccant receptacle 1 from moving.

In addition, it is preferable that the main body part 2 has a circular cross section, and in this case, the main body part 2 can be inserted in the axial hole 25 (hole part 25a) more simply in this case. It is preferable that the flange portion 3 is provided in an annular shape over the entire circumference of the main body portion 2 at one end 2c side of the main body portion 2. In this case, (For example, the outer side surface 23c of the first side plate 23) of the main body portion 3, so that the main body portion 3 can be stably held in the shaft hole 25. [

In general, the environment in which the reel 21 for adhesive tape is used is a room where the temperature, humidity, and cleanliness of a room, called a clean room, are managed at a constant level. The reel 21 for adhesive tape is put in the packing bag 80 so that quality may not be reduced by dust or moisture. At this time, by the desiccant K fixed in the axial hole 25 of the reel 21 for adhesive tapes as mentioned above, moisture remaining in the packing bag 80 and moisture by entry from the outside are preferably moisture-absorbed. Since it can be done, the fall of the adhesive force of the adhesive bond layer of the adhesive tape T wound around the core 22 of the reel 21 for adhesive tapes can be suppressed.

The packing bag 80 also includes, for example, polyethylene, polypropylene or polystyrene terephthalate. At the time of packing, it is preferable to suck out air in the packing bag 80 before closing the insertion port 81 of the packing bag 80. As shown in FIG. Moreover, in order to prevent the invasion of air from the outside, it is preferable to close and close the insertion port 81 of the packing bag 80 with a sealing machine etc., for example. In this case, the moisture in the packing bag 80 decreases from the initial stage of packing, and it can be expected to prevent air from entering from the outside. In addition, the inner surface of the packaging bag 80 and the adhesive tape reel 21 are brought into close contact with each other, so that foreign substances generated by the inner surface of the packaging bag 80 and the surface of the adhesive tape reel 21 are rubbed due to vibration during transportation or conveyance. In addition, the occurrence of scratches on the outer surfaces 23c and 24c of the side plates 23 and 24 of the reel 21 for adhesive tape can be prevented. In addition, the packing bag 80 has transparency so that various information such as a product name, lot number, expiration date, etc. affixed to the internal adhesive tape reel 21 can be confirmed outside the packing bag 80, While using a material that is in close contact with heat and pressure, it is desirable to have a cut line for opening. In this case, since various information of the reel 21 for adhesive tapes can be confirmed outside the packing bag 80, it can be anticipated that mixing of other products and sorting operation will become efficient. Moreover, when there is a perforation for opening, the opening work at the time of use becomes easy.

As mentioned above, although the desiccant container 1 of this invention was demonstrated using preferable embodiment, the desiccant container 1 of this invention is not limited to said form. In the said embodiment, although the main body part 2 and the flange part 3 were shown the example integrally formed, after forming the main body part 2 and the flange part 3 as a separate thing beforehand, the main body part 2 ) And the flange portion 3 may be combined. In addition, although the example in which the sealing part 5 is separate from the main body part 2 and the flange part 3 was shown, the main body part 2, the flange part 3, and the sealing part 5 are integrally formed, There may be. In this case, what is necessary is just to seal the clearance gap after accommodating the desiccant K from the clearance gap etc. previously installed in the main-body part 2, for example. In addition, in the said embodiment, although the main-body part 2 showed the cylindrical shape as a whole, the main-body part 2 is the axial hole 25 (hole part 25a of the reel 21 for adhesive tapes). What is necessary is just the shape and size which match | match, and for example, it may have a cross-sectional polygon shape as shown to Fig.8 (a). In addition, the main body part 2 may be a hemispherical shape, a cube shape, a star shape, etc., for example. Moreover, although the example which the shaft hole 25 is what is called a keyhole is shown, the shaft hole may be a circular hole simply. In this case, the outer diameter R1 of the main body portion 2 can be equal to or less than the inner diameter of the shaft hole. In the above, although the outer diameter R1 of the main-body part 2 showed the same diameter as the inner diameter of the hole part 25a of the axial hole 25 of the reel 21 for adhesive tapes, the main-body part ( The outer diameter R1 of 2) should just be below the inner diameter of the hole part 25a of the axial hole 25 of the reel 21 for adhesive tapes.

In addition, although the example in which the flange part 3 has an annular shape was shown, it is not limited to this shape. For example, the flange portion 3 may have a polygonal shape as shown in Fig. 8 (b), may have a rectangular shape as shown in Fig. 8 (c), or may have a rectangular shape as shown in Fig. 8 (b). As shown in d), the notch may be formed in the outer peripheral part of the flange part 3. In the example shown in FIG. 8 (d), substantially V-shaped cutouts are formed at four places at substantially equal intervals at the outer circumferential portion of the annular flange portion 3.

In addition, as shown in FIG. 9, the flange part 3 can also be made into the flange part 3a which protrudes from a part of the main body part 2 from the one end 2c side of the main body part 2. As shown in FIG. In the example shown in FIG. 9, the flange part 3a protrudes on tongue piece only in a part of main body part 2. As shown in FIG. In this case, since the shape of a flange part can be simplified, the cost of the desiccant container 1 can be reduced. In this case, the sealing part 5a can be made into the shape which combined the shape of the one end 2c of the main-body part 2, and the shape of the flange part 3a, for example. The shape of the flange portion 3a is not limited to the tongue-like shape, and may be any shape as long as it is in a size or shape such that the flange 3a is in contact with the outer surface of the side plate of the reel 21 for an adhesive tape to support the desiccant container 1. It may be. The number of flange portions is not limited to one, and the flange portions may include a plurality, and each of the plurality of flange portions has one end 2c of the main body portion 2 on one end 2c side of the main body portion 2. May protrude from a portion of the According to this configuration, the flange portion is not shaped to surround the entire circumference of one end 2c of the main body portion 2, and the area of the portion in contact with the outer surface of the side plate of the reel 21 for adhesive tape can be secured. Can be.

In addition, although the hole part 7 of the main-body part 2 showed the example narrowing as it goes inward from the outer side of the wall part 2a, it is not limited to this, It is appropriate according to the moisture absorption speed, persistence, etc. which are required. Can be changed. For example, the hole portion 7 of the main body portion 2 may have a substantially constant width from the outer side of the wall portion 2a to the inner side, and expands from the outer side of the wall portion 2a toward the inner side. It may be. The diameter of the hole portion 7 can also be appropriately changed.

In addition, a moisture permeable hole may be formed in the sealing portion 5 to enable moisture absorption through the sealing portion 5. Alternatively, the sealing portion 5 may be formed of a material having moisture permeability to enable moisture absorption through the sealing portion 5. In this case, the hole portion 7 of the main body portion 2 may not be formed.

In addition, the main body portion 2, the flange portion 3, the sealing portion 5 and the like can also be provided with hygroscopicity, it is possible to improve the moisture absorption rate. Specifically, materials having hygroscopicity may be included in materials such as the main body portion 2, the flange portion 3, and the sealing portion 5. Examples of the material having hygroscopicity include polyhydric alcohols such as trimethylolpropane, glycerin, methoxypropanediol, and ethoxypropanediol; Amino alcohols such as mono-, di-, tri-ethanolamine, mono-, di- and tri-propanolamine; Poly (meth) acrylic acid, copolymers of poly (meth) acrylic acid and polyvinyl alcohol, polyethylene glycols, dimethylthio urea, cyanamide, methylimidazole and the like.

Moreover, as a structure of the reel 21 for adhesive tapes, the core 22 is being fixed to the inner side surface 23a of the 1st side plate 23 so that the opening part 40 of the 1st side plate 23 may be enclosed, and a cylinder The example in which the member 30 was penetrated by the opening part 40 of the 1st side plate 23 was shown. However, the structure of the reel 21 for an adhesive tape is not limited to this, The core 22 is cylindrical without using the cylindrical member 30, and the both ends of the core 22 are the 1st side plate 23. However, as shown in FIG. The structure may be penetrated by the opening part 40 and the opening part of the 2nd side plate 24 of this. In this structure, the main body portion 2 of the desiccant container 1 can be inserted into the shaft hole provided in the center portion of the core 22.

Moreover, although the example which penetrated the main-body part 2 of the desiccant container 1 into the hole part 25a of the axial hole 25 was shown from the 1st side plate 23 side, the main-body part 2 was made into the 2nd side plate. It can also penetrate into the hole part 25a of the axial hole 25 from the (24) side. In this case, in the structure in which the cylindrical member 30 is not used as described above, the flange portion 3 can be brought into contact with the outer side surface 24c of the second side plate 24, for example.

As the adhesive tape T, a non-conductive tape in which the adhesive layer is composed of an adhesive component and does not contain conductive particles may be used, or a conductive tape having no anisotropy containing more conductive particles than an anisotropic conductive tape may be used. . Moreover, it is applicable also to various adhesive films, such as a die bond film, a silver film, and the adhesive film for semiconductor wafer processing.

Moreover, it is preferable that it is 0.005: 1-1.5: 1, and, as for the ratio of the weight of a desiccant (K) and an adhesive tape (T), it is more preferable that it is 0.01: 1-0.5: 1. In addition, when the flange part 3 of the desiccant container 1 is disk shaped, the contact area of the flange part 3 and the outer surface of the reel 21 for adhesive tapes is the It is preferable that it is 80% or less of the area except the circular area drawn from the outer diameter R1 of the main-body part 2 from the area of the disc derived from an outer diameter, It is more preferable that it is 40%-80%, 50%- It is especially preferable that it is 70%. In this case, when the desiccant K is infiltrated into the shaft hole 25, the flange 3 contacts the outer surface of one side plate, and the desiccant K penetrates or rattles through the shaft hole 25. It can prevent and keep a desiccant (K) stably.

Hereinafter, although an Example is given and this invention is demonstrated more concretely, this invention is not limited to a following example.

(Preliminary preparation 1)

First, as a base material used for the adhesive tape T, a 50-micrometer-thick PET film (UH2: manufactured by Teijin Dupont Film Co., Ltd.) which peeled and treated both sides with the silicone resin was prepared. Next, a phenoxy resin (glycidyl etherified modified product of biphenyl derivative, bisphenol fluorene type skeleton and bisphenol A / bisphenol F type skeleton) was used as the film forming material. As the reactive resin, a naphthalene skeleton epoxy resin and a rubber modified epoxy resin were used. As the curing agent, a liquid epoxy (bisphenol F liquid epoxy resin, naphthalene type epoxy resin, microencapsulated amine curing agent) containing a microcapsule latent curing agent was used. As the conductive particles, a Ni layer having a thickness of 0.2 μm was provided on the surface of the polystyrene-based nucleus, and conductive particles having an average particle size of 3 μm having an Au layer having a thickness of 0.04 μm formed on the outside of the Ni layer were produced and used. By solid content weight ratio, it mix | blends so that it may become 28.2g of phenoxy resin, 13.9g of epoxy resin, 16.1g of microcapsule-type latent hardening | curing agent, and 0.6g of silane coupling agent (glycidoxy propyltrimethoxysilane), and 6 volume% of conductive particles are then carried out. It disperse | distributed and the film coating solution was obtained.

Then, the obtained film coating solution was apply | coated to one side of the said PET film with the roll coater. Subsequently, this film coating solution was dried by hot air at 70 degreeC for 5 minutes, and the thickness of an adhesive bond layer was obtained with the anisotropic conductive adhesive film of 20 micrometers. In addition, the adhesive film was slitted to a width of 2 mm to obtain an adhesive tape.

On the other hand, the winding core which the opening part corresponding to the shaft hole was provided in the center part was prepared. The width of the core was 2.5 mm, the inner diameter (diameter hole and opening) was 40 mm, and the outer diameter of the core was 65 mm. In addition, two annular side plates made of plastic having a thickness of 2 mm, an inner diameter of 40 mm, and an outer diameter of 125 mm were prepared. And both ends of the winding core were respectively inserted into each opening part of two side plates, and the reel for adhesive tapes was obtained. Subsequently, the adhesive tape was wound with the adhesive face inward with respect to the core of this reel for adhesive tape. As mentioned above, the reel for adhesive tapes which wound the adhesive tape of 50 m of length and 2.0 mm of width | variety of an anisotropic conductivity to the core was obtained.

Next, a barrier bag was prepared as a packing bag in which the reel for adhesive tape was put, a desiccant (trade name: ID desiccant, manufactured by ID) was prepared, and a sealer for sealing the insertion hole of the packing bag was prepared.

(Example 1) (Preparation of the packing product which has a drying agent and sealed the insertion opening of a packing bag)

First, a desiccant container having a shape such as a hat composed of a main body portion and a flange portion as shown in FIG. 4 was prepared. At this time, the main body portion was shaped to fit within the shaft hole. As the material of the main body portion and the flange portion, expanded polystyrene was used. Subsequently, the desiccant prepared in Preparation 1 was housed in the body portion of the desiccant container, and then sealed with a sealing portion. PET film was used as a sealing material. The main body of this desiccant container was fitted into the shaft hole provided in the center part of the winding core of the reel for adhesive tape obtained by the preparation 1 beforehand. At this time, the flange portion was in contact with the outer surface of one side plate. Thus, the structure which fixed the desiccant receiver to the reel for adhesive tapes was put into the packing bag. A package was prepared in which the air in the bag was sucked to remove the air in the bag, after which the insertion opening of the bag was sealed with a sealer.

(Comparative Example 1) (Production of a packed product without a drying agent and the sealing opening of the packing bag is not sealed)

Without placing a desiccant in the axial hole of the reel for adhesive tapes obtained in the preparation 1, the reel for adhesive tapes was put into a packing bag, and the packing which did not seal the insertion opening of the packing bag was produced.

(Comparative Example 2) (Production of the packing product which does not have a drying agent and sealed the insertion opening of the packing bag)

Without placing a desiccant in the axial hole of the reel for adhesive tape obtained by the preparation 1, the reel for adhesive tape was put into a packing bag, and the package which sealed the insertion opening of the packing bag was produced.

(Adhesion test)

The package obtained in Example 1, Comparative Example 1, and Comparative Example 2 was left still for 200 hours in 25 degreeC / 70% RH environment, and the quality was confirmed. At this time, the reel for adhesive tape taken out of the package goods obtained in Example 1, Comparative Example 1, and Comparative Example 2 was attached to an unwinding apparatus, and was heated from the support film side of the adhesive tape unwound from the reel for adhesive tape to the heating press head. It crimped | bonded to the glass substrate on the conditions of 70 degreeC, 1 MPa, and 2 second, the support film was peeled off, and the adhesive force of the adhesive tape to the glass substrate was tested. Ten test pieces were performed each, evaluation evaluated that the adhesive tape did not peel from a glass substrate, and that the adhesive tape peeled only a part from a glass substrate as (triangle | delta), and that the adhesive tape peeled at least a part from a glass substrate × It was set as. Moreover, peeling of the adhesive tape from the glass substrate was 0 to 1 sheet | seat as A, 2-4 sheets were B, and 5 or more sheets were C. The results are summarized in Table 1 below.

As shown in Table 1, in Example 1, the adhesive tape did not peel from a glass substrate, and it turned out that the number of peeling is few and there is no problem in practical use. Moreover, in Comparative Examples 1 and 2, some peeling and whole peeling of the adhesive tape became several sheets from the glass substrate, and it turned out that it is the quality which cannot tolerate practically.

In addition, the same test was done after leaving the package of Example 1, the comparative example 1, and the comparative example 2 for 200 hours in the refrigerator temperature-controlled at -5 degreeC --10 degreeC. The same result was obtained about Example 1. Moreover, about the comparative example 1 and the comparative example 2, the characteristic was better than the effect of the said test shown in Table 1. It is thought that this is because the refrigerator was dried compared to the test at room temperature. However, in Example 1, the characteristics were improved compared with Comparative Example 1 and Comparative Example 2.

This invention can be used for manufacture, supply, and storage of an adhesive tape.

One… Desiccant receiver, 2... Main body, 2a... Wall portion (of body portion 2), 2b... Main body (of main body 2), 2c... (Of body part 2) once, 3, 3a... Flange portion 5, 5a... Seal, 21... Reel for adhesive tape, 22... (23) First side plate, 24... Second side plate, 23c... Outer side (of the first side plate), 24c... Outer side (of the second side plate), 25... Axial hole, K… drier.

Claims (7)

Desiccant container used for the reel for adhesive tape provided with the winding core by which the adhesive tape was wound, and a pair of side plates provided with the winding core in between, and the shaft hole which passes through the rotating shaft of the apparatus which winds up or unwinds the adhesive tape. as,
A main body portion having a hollow portion in which the drying agent is accommodated in a shape fitting into the shaft hole;
And a flange portion provided on the main body portion and contacting the outer surface of the side plate when the main body portion is disposed in the shaft hole. The desiccant container according to claim 1, wherein the main body has a circular cross section. The desiccant container according to claim 2, wherein the flange portion is provided in an annular shape over the entire circumference of the body portion at one end of the body portion. The desiccant container according to claim 2, wherein the flange portion protrudes from a portion of the body portion at one end side of the body portion. The desiccant container according to any one of claims 1 to 4, wherein a plurality of hole portions communicating with the hollow portion are provided in the wall portion on the other end side of the main body portion. The desiccant container according to claim 5, wherein the hole portion is narrowed from the outer side to the inner side of the wall portion. The reel for adhesive tapes which set the desiccant receiver of any one of Claims 1-6 to the said shaft hole.

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