JP2012053608A - Information medium and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information medium and its manufacturing method preventing exfoliation of a substrate or a frame on the side face of the medium.SOLUTION: An information medium 10 includes a frame 11, a module 13 internally mounted in the frame 11, an adhesion layer 14 for covering the frame 11 and the module 13, and a first base material 15 and a second base material 16 for holding the frame 11 and the module 13 via the adhesion layer 14. At least the four corners of the periphery of the frame 11 are outwardly convex, and these convex portions 11b and concave portions 11c and 11d alternately formed present a concave-convex shape of the periphery of the frame 11. The end face 11e of each convex portion 11b is flush with the side face of the first base material 15 and the side face of the second base material. A part of the adhesion layer 14 is composed of the adhesive filled in the concave portions 11c and 11d, and the first base material 15 and the second base material 16 face to each other only via the adhesion part 14 at each of the sections facing to the concave portions 11c and 11d.

Description

 The present invention relates to a card-type or sheet-type information medium including a module having an electric circuit and a method for manufacturing the same.

In recent years, with the progress of the information-oriented society, information is recorded on a card, and information management and settlement using the card are performed.
Examples of such a card used for information management and settlement include an IC card with an IC chip built therein, a magnetic card on which information is written by magnetism, and the like. In these card-type information media such as IC cards and magnetic cards, information is written and read using a dedicated device.
Such a card-type information medium includes a module having an electrical circuit. In this information medium, a frame is used to arrange the module at a predetermined position with respect to the base material. That is, this information medium has a structure in which a frame in which a module is installed at a predetermined position is sandwiched between a pair of base materials via an adhesive (for example, see Patent Documents 1 and 2).

JP 2003-236937 A JP 2004-110142 A

 By the way, in the information medium as described above, after a frame in which a module is installed is sandwiched between a pair of base materials via an adhesive, a laminate composed of these members is punched in the thickness direction. Etc. and processed into a final shape (such as a card shape). Therefore, since this information medium has an exposed interface between the base material and the adhesive and an interface between the adhesive and the frame on the side surface, the base material and the frame easily peel off at these interfaces. was there.

 This invention is made | formed in view of the said situation, Comprising: It aims at providing the information medium which prevented the base material and the flame | frame from peeling in the side surface, and its manufacturing method.

 The information medium of the present invention includes a substantially rectangular frame, a module provided in the frame, an adhesive layer in contact with at least a part of the frame, and in contact with the adhesive layer so as to sandwich the frame and the module. An information medium comprising a pair of base materials, wherein the frame is a convex portion protruding outward at least at four corners, and has a contoured shape including the convex portion and the concave portion, and the convex portion The end surfaces of the pair of base materials and the side surfaces of the pair of base materials form the same surface, and a part of the adhesive layer is made of an adhesive filled in the concave portion, and the portion facing the concave portion is interposed only with the adhesive layer. The pair of base materials are opposed to each other.

 An information medium manufacturing method according to the present invention includes a substantially rectangular frame, a module provided in the frame, an adhesive layer in contact with at least a part of the frame, the adhesive layer in contact with the frame, and the module. A pair of base materials, and the frame is a convex portion with at least four corners projecting outward, and has an irregular outer shape formed by the convex portion and the concave portion, and an end surface of the convex portion. The side surfaces of the pair of base materials are the same surface, and a part of the adhesive layer is made of an adhesive filled in the concave portion, and the pair of the base material is disposed only through the adhesive layer at a portion facing the concave portion. A method of manufacturing an information medium in which the base material is opposed to each other, wherein at least four corners on one surface of the first base material are convex portions protruding outward from the outline of the information medium, the convex portion Concave and convex outer shape made up of and recesses None, the recess is recessed inward from the contour line, and a substantially rectangular frame in which an insertion portion for inserting the module is formed inside, or an outer edge portion thereof, except for at least four corners, the thickness thereof A step A for joining a substantially rectangular frame in which a through-hole penetrating in the vertical direction is formed so as to straddle the outline and an insertion portion for inserting the module inside is formed, and the insertion portion is connected to the module. Step B for applying the adhesive, Step C for applying an adhesive to the surface of the module and the module opposite to the surface facing the first base, and the frame and the module via the adhesive. By superimposing one surface of the second base material on the module and pressing the second base material against the frame and the module, the frame and the module, The step D of causing the adhesive to flow into the concave portion or the penetrating portion and the first base material, the adhesive, the frame, And a step E of cutting the laminated body including the module and the second base material along the outline, and the step A and the step B are performed in random order.

 According to the information medium of the present invention, the frame is a convex portion with at least four corners projecting outward, has a contoured outer shape composed of the convex portion and the concave portion, and the end surface of the convex portion and a pair of base materials The side surfaces of the same are the same surface, part of the adhesive layer is made of an adhesive filled in the recess, and in the portion facing the recess, the pair of base materials are opposed only through the adhesive layer, In most of the side surfaces, only the interface between the pair of base materials and the adhesive layer is exposed, and the interface between the frame and the adhesive layer is not exposed. Therefore, the information medium of the present invention is excellent in durability because the frame and the adhesive layer do not peel on the side surface.

 According to the method for manufacturing an information medium of the present invention, at least four corners are convex portions protruding outward from the contour line of the information medium, and form a concave / convex outer shape composed of the convex portions and the concave portions, and the concave portions are formed from the contour line. Is a frame that is recessed inward and has a fitting portion for fitting the module inside, or a penetrating portion that penetrates in the thickness direction except for at least four corners on the outer edge portion of the outer circumference of the information medium. The first base material, the adhesive, the frame, and the module are made to flow into the concave portion or the through portion of the frame using a frame that is formed so as to straddle the frame and in which the insertion portion for inserting the module is formed inside. Since the laminate including the second base material is cut along the contour line, the first base material and the second base material face each other only through the adhesive layer in the portion facing the concave portion of the frame. In that aspect A first substrate and a second substrate, only the interface between the adhesive layer is exposed, can be an interface between the frame and the adhesive layer to produce information medium not exposed.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic block diagram which shows 1st embodiment of the information medium of this invention, (a) is a top view, (b) is sectional drawing which follows the AA line of (a). It is a schematic perspective view which shows the 1st base material which was used in 1st embodiment of the manufacturing method of the information medium of this invention, and the surface printing was performed. In 1st embodiment of the manufacturing method of the information medium of this invention, it is a schematic perspective view which shows the application | coating process of an adhesive agent. FIG. 3 is a schematic perspective view showing a process A in the first embodiment of the method for producing the information medium of the present invention. FIG. 3 is a schematic perspective view showing a process B in the first embodiment of the method for producing the information medium of the present invention. FIG. 3 is a schematic perspective view showing a step C in the first embodiment of the method for producing the information medium of the present invention. In the first embodiment of the method for producing the information medium of the present invention, FIG. It is a schematic block diagram which shows 2nd embodiment of the information medium of this invention, (a) is a top view, (b) is sectional drawing which follows the BB line of (a). It is a schematic perspective view which shows the 1st base material which was used in 2nd embodiment of the manufacturing method of the information medium of this invention, and the surface printing was performed. It is a schematic perspective view which shows the application | coating process of an adhesive agent in 2nd embodiment of the manufacturing method of the information medium of this invention. It is a schematic perspective view which shows the process A in 2nd embodiment of the manufacturing method of the information medium of this invention. It is a schematic perspective view which shows the process B in 2nd embodiment of the manufacturing method of the information medium of this invention. It is a schematic perspective view which shows the process C in 2nd embodiment of the manufacturing method of the information medium of this invention. It is a schematic perspective view which shows the process D in 2nd embodiment of the manufacturing method of the information medium of this invention.

Embodiments of an information medium and a manufacturing method thereof according to the present invention will be described.
This embodiment is specifically described for better understanding of the gist of the invention, and does not limit the present invention unless otherwise specified.

(1) First embodiment “information medium”
1A and 1B are schematic configuration diagrams showing a first embodiment of the information medium of the present invention. FIG. 1A is a plan view and FIG. 1B is a cross-sectional view taken along line AA in FIG.
The information medium 10 of this embodiment includes a frame 11 having a substantially rectangular shape in plan view, a module 13 provided in the frame 11 and having a display element 12, an adhesive layer 14 covering the frame 11 and the module 13, and an adhesive layer. 14 and a pair of base materials 15 and 16 (first base material 15 and second base material 16) sandwiching the frame 11 and the module 13.
That is, in the information medium 10, the frame 11 in which the module 13 is provided is sandwiched between the first base material 15 and the second base material 16 via the adhesive layer 14, and these members are laminated in the thickness direction. It has a structure. Therefore, the frame 11 is bonded to the first base material 15 and the second base material 16 by the adhesive that forms the adhesive layer 14. Thereby, the information medium 10 has a substantially rectangular shape in plan view.
Here, “installing the module 13 in the frame 11” means providing the module 13 inside the frame 11.

In order to insert the module 13, an insertion portion 11 a that penetrates in the thickness direction and has substantially the same shape as the outer shape of the module 13 is provided inside the frame 11. Further, the insertion portion 11 a is provided so that the display portion 12 a of the display element 12 is disposed at a position facing the window portion 16 a of the second base material 16 when the module 13 is inserted.
Further, the thickness of the frame 11 is substantially equal to the thickness of the module 13, and the surface of the module 13 fitted into the frame 11 is substantially flush with the surface of the frame 11.

The frame 11 is a convex portion 11b whose four corners protrude outward. The frame 11 extends along each side between the four convex portions 11b, and outlines of the first base material 15 and the second base material 16 The outer shape of the unevenness | corrugation in which the recessed part 11c, 11d of planar view substantially rectangular shape dented inside (outer periphery) was formed is comprised. That is, the frame 11 has an uneven outer shape in which convex portions 11b and concave portions 11c and 11d are alternately formed.
Thereby, the 1st base material 15 and the 2nd base material 16 are facing only via the contact bonding layer 14 in the part facing the recessed parts 11c and 11d. That is, the adhesive layer 14 is also formed in the recesses 11 c and 11 d formed so as to extend to the outer edge of the frame 11, and the first base material 15 and the second base material 16 are bonded to the adhesive layer 14. Yes. Therefore, in most of the side surfaces of the information medium 10, only the interface between the first base material 15 and the second base material 16 and the adhesive layer 14 is exposed, and the interface between the frame 11 and the adhesive layer 14 is not exposed. It has become.
Moreover, the end surface 11e of the convex part 11b, the side surface of the 1st base material 15, and the side surface of the 2nd base material 16 have comprised the same surface.

 As the material of the frame 11, at least the surface layer portion is made of woven fabric, nonwoven fabric, mat, paper or the like made of inorganic fibers such as glass fiber or alumina fiber, or a combination thereof; made of organic fibers such as polyester fiber or polyamide fiber. Woven fabrics, non-woven fabrics, mats, papers or combinations thereof; composite base materials formed by impregnating resin varnishes with woven fabrics, non-woven fabrics, mats, papers, etc. made of organic fibers such as polyester fibers and polyamide fibers; polyamides -Based resin substrate, polyester-based resin substrate, polyolefin-based resin substrate, polyimide-based resin substrate, ethylene-vinyl alcohol copolymer substrate, polyvinyl alcohol-based resin substrate, polyvinyl chloride-based resin substrate, polychlorinated Vinylidene resin substrate, polystyrene resin substrate, polycarbonate resin substrate, Plastic base materials such as acrylonitrile butadiene styrene copolymer resin base materials and polyether sulfone resin base materials; polyamide resin base materials, polyester resin base materials, polyolefin resin base materials, polyimide resin base materials, ethylene- Vinyl alcohol copolymer substrate, polyvinyl alcohol resin substrate, polyvinyl chloride resin substrate, polyvinylidene chloride resin substrate, polystyrene resin substrate, polycarbonate resin substrate, acrylonitrile butadiene styrene copolymer resin Surfaces such as matte treatment, corona discharge treatment, plasma treatment, ultraviolet irradiation treatment, electron beam irradiation treatment, flame plasma treatment, ozone treatment, or various easy adhesion treatments on plastic substrates such as substrates and polyethersulfone resin substrates Treated, foamed PET (polyethylene) Selected and used from terephthalate (PET) sheets extrusion foaming the resin) known, such as those.

 Examples of the module 13 include modules having various electric circuits. For example, a module having a display element 12 and a contact type IC chip, an RFID module having an antenna and a non-contact type IC chip connected to each other, and further, a battery, a diode, a control device, etc. Modules.

Examples of the display element 12 include electronic paper, a liquid crystal display element, an organic electroluminescence element (organic EL element), and the like.
As the contact type IC chip, a metal terminal is exposed on the surface, and an information writing / reading device is brought into contact with the metal terminal to read / write information.

 When the module 13 is a module for RFID, the antenna is formed using a polymer type conductive ink in a predetermined pattern by a printing method such as screen printing or inkjet printing, or the conductive foil is etched. It is made by metal plating.

Examples of polymer-type conductive inks are those in which conductive fine particles such as silver powder, gold powder, platinum powder, aluminum powder, palladium powder, rhodium powder, carbon powder (carbon black, carbon nanotube, etc.) are blended in the resin composition Is mentioned.
If a thermosetting resin is used as the resin composition, the polymer conductive ink becomes a thermosetting type capable of forming a coating film forming an antenna at 200 ° C. or less, for example, about 100 to 150 ° C. The electric current path of the coating film forming the antenna is formed when the conductive fine particles constituting the coating film contact each other, and the resistance value of the coating film is on the order of 10 ⁻⁵ Ω · cm.
Further, as the polymer type conductive ink in the present invention, known ones such as a photo-curing type, a permeation drying type, and a solvent volatilization type are used in addition to the thermosetting type.

 The photocurable polymer type conductive ink contains a photocurable resin in the resin composition and has a short curing time, so that the production efficiency can be improved. Examples of the photocurable polymer type conductive ink include, for example, a thermoplastic resin alone, or a conductive resin fine particle in a blend resin composition of a thermoplastic resin and a crosslinkable resin (particularly, a crosslinkable resin made of polyester and isocyanate). 60% by mass or more and a polyester resin of 10% by mass or more, that is, a solvent volatile type or a crosslinked / thermoplastic combined type (however, the thermoplastic type is 50% by mass or more), heat Polyester resin alone or a blend resin composition of a thermoplastic resin and a crosslinkable resin (especially a crosslinkable resin composed of polyester and isocyanate) is blended with 10% by mass or more of a polyester resin, that is, a crosslinked type or A cross-linking / thermoplastic combination type is preferably used.

Examples of the conductive foil forming the antenna include copper foil, silver foil, gold foil, platinum foil, and aluminum foil.
Furthermore, examples of the metal plating that forms the antenna include copper plating, silver plating, gold plating, and platinum plating.

 When the module 13 is a module for RFID, the IC chip is not particularly limited, and information can be written and read out in a non-contact state via the antenna, and a non-contact IC tag or a non-contact Any type of label can be used as long as it is applicable to RFID media such as a type IC label or a non-contact type IC card.

As the adhesive forming the adhesive layer 14, an adhesive that is liquid before use and is cured by applying external conditions such as heating, ultraviolet irradiation, and electron beam irradiation is used. Examples of such an adhesive include thermosetting resins, ultraviolet curable resins, and electron beam curable resins. A two-component curable adhesive that cures by the reaction between the main agent and the curing agent without applying external conditions is also used.
Examples of the thermosetting resin include phenol resin, epoxy resin, polyurethane curable resin, urea resin, melamine resin, and acrylic reaction resin.

Examples of the ultraviolet curable resin include an ultraviolet curable acrylic resin, an ultraviolet curable urethane acrylate resin, an ultraviolet curable polyester acrylate resin, an ultraviolet curable polyurethane resin, an ultraviolet curable epoxy acrylate resin, and an ultraviolet curable imide acrylate resin. .
Electron beam curable resins include electron beam curable acrylic resins, electron beam curable urethane acrylate resins, electron beam curable polyester acrylate resins, electron beam curable polyurethane resins, electron beam curable epoxy acrylate resins, and cationic curable resins. Etc.
Examples of the two-component curable adhesive include a mixture of polyester resin and polyisocyanate prepolymer, a mixture of polyester polyol and polyisocyanate, a mixture of urethane and polyisocyanate, and the like.

 As a specific example of such an adhesive, a two-component mixture comprising a main agent (trade name: Aronmighty AP-317A, manufactured by Toagosei Co., Ltd.) and a curing agent (trade name: Aronmighty AP-317B, manufactured by Toagosei Co., Ltd.). Type epoxy adhesive, main component (trade name: MLT2900, manufactured by Etec) and two-component mixed urethane adhesive composed of a curing agent (trade name: G3021-B174, manufactured by Etec).

 Further, the adhesive forming the adhesive layer 14 may contain a colorant such as a known inorganic pigment, organic pigment, dye, or the like, if necessary. With this colorant, the adhesive layer 14 can also be colored in an arbitrary color.

 As the 1st base material 15 and the 2nd base material 16, group which consists of polyester resins, such as polyethylene terephthalate (PET), glycol modification polyethylene terephthalate (PET-G), polybutylene terephthalate (PBT), and polyethylene naphthalate (PEN). Material: Base material made of polyolefin resin such as polyethylene (PE), polypropylene (PP); Base material made of polyfluorinated ethylene resin such as polyvinyl fluoride, polyvinylidene fluoride, polytetrafluoroethylene; Nylon 6, Nylon 6 Substrates made of polyamide resins such as, 6, etc .; substrates made of vinyl polymers such as polyvinyl chloride (PVC), ethylene-vinyl acetate copolymer, polyvinyl alcohol, vinylon; polymethyl methacrylate, polyethyl methacrylate, Polyacrylic Base material made of acrylic resin such as ethyl and polybutyl acrylate; Base material made of polystyrene; Base material made of polycarbonate (PC); Base material made of polyarylate; Base material made of polyimide; Fine paper, thin paper, glassine A substrate made of paper such as paper or sulfuric acid paper is used.

In addition, the surface (hereinafter, referred to as “one surface”) 15a that is in contact with the adhesive layer 14 of the first base material 15 is mainly provided on a surface (hereinafter referred to as “the other surface”) 15b. In this case, decorative printing is performed, but decorative printing may be performed on one surface 15 a of the first base material 15.
Similarly, the surface (hereinafter referred to as “one surface”) 16 b that is in contact with the adhesive layer 14 of the second base material 16 (hereinafter referred to as “the other surface”) 16 c. In this case, decorative printing is performed. However, decorative printing may be performed on one surface 16 b of the second base material 16.
In addition, when printing is performed on the second base material 16, printing is performed on a portion of the display element 12 excluding the window portion 16 a facing the display portion 12 a.

 In this information medium 10, the frame 11 is a convex portion 11 b whose four corners protrude outward, and the inner side of the outlines of the first base material 15 and the second base material 16 is between these four convex portions 11 b. The concave and convex portions 11c and 11d are formed in a contoured outer shape, and the adhesive layer 14 is applied to the surface of the frame 11 and the module 13 facing the first base material 15 and the second base material 16. And the first base material 15 and the second base material 16 are opposed to each other only through the adhesive layer 14 at a portion facing the concave portions 11c and 11d. Therefore, in most of the side surfaces, only the interface between the first base material 15 and the second base material 16 and the adhesive layer 14 is exposed, and the interface between the frame 11 and the adhesive layer 14 is not exposed. Therefore, the information medium 10 is excellent in durability because the frame 11 and the adhesive layer 14 do not peel on the side surface.

In this embodiment, the case where the frame 11 is bonded to the first base material 15 and the second base material 16 with the adhesive forming the adhesive layer 14 is illustrated, but the present invention is not limited to this. . In the present invention, the frame may be heat-sealed to one of the pair of base materials.
Moreover, in this embodiment, although the case where the contact bonding layer 14 was interposing between the flame | frame 11 and the 1st base material 15 and the 2nd base material 16 was illustrated, this invention is not limited to this. In the present invention, when the frame is heat-sealed to one of the pair of base materials, the adhesive layer covers the surface opposite to the surface facing the one base material in the frame and the module. You may form from the agent and the adhesive agent with which the recessed part of the flame | frame was filled.
That is, for example, the frame 11 may be heat-sealed to the first base material 15, and the frame 11, the module 13, and the second base material 16 may be bonded via the adhesive layer 14.

 Moreover, in this embodiment, although the case where the flame | frame 11 consists of one member was illustrated, this invention is not limited to this. In the present invention, the frame may be a combination of two or more members stacked in the thickness direction. For example, when the frame is composed of two or more members laminated in the thickness direction, the two or more members are joined in advance by an adhesive or heat fusion and used as one frame. Moreover, when using the flame | frame which combines two or more members, you may join one or more members to one base material, and may join one or more members to the other base material.

In this embodiment, the information medium 10 is illustrated as having a substantially rectangular shape in plan view, but the present invention is not limited to this. In the present invention, the information medium may have a substantially square shape in plan view.
Moreover, in this embodiment, although the case where the module 13 which has the display element 12 was provided was illustrated, this invention is not limited to this. In the present invention, the module may not include the display element.

"Method of manufacturing information media"
Next, with reference to FIGS. 1-7, the manufacturing method of the information medium of this embodiment is demonstrated.
First, as shown in FIG. 2, a first base material 15 having a decorative surface printing 21 on the other surface 15b is prepared.

 Next, as shown in FIG. 3, the adhesive discharged from the nozzle 31 of the adhesive application device on one surface (the surface opposite to the surface on which the surface printing 21 is applied) 15 a of the first base material 15. 14A is applied.

As the adhesive 14A, the same adhesive as that for forming the adhesive layer 14 is used.
Further, the amount of the adhesive 14A applied to the one surface 15a of the first base material 15 is not particularly limited, but the area of the frame 11A covered by the adhesive 14A, the penetrating portion 11f provided in the frame 11A, It is adjusted as appropriate according to the size and depth of 11 g.

Next, as shown in FIG. 4, through portions 11 f and 11 g extending along the respective sides except for at least four corners and penetrating in the thickness direction are formed on the outer edge of the information medium 10 described above. An insertion portion 11a is formed so as to straddle the line (outer line of the shape of the final information medium 10) 10a, and penetrates in the thickness direction on the inner side and has substantially the same shape as the outer shape of the module 13. A substantially rectangular frame 11A is prepared.
Then, the frame 11A is superimposed on one surface 15a of the first base material 15 via the adhesive 14A, and the frame 11A is pressed against the first base material 15, whereby the first base material 15 and the frame The adhesive 14 </ b> A is developed between 11 </ b> A, and the frame 11 </ b> A is bonded to the one surface 15 a of the first base material 15 (step A).

Here, the outline 10 a of the information medium 10 corresponds to the outline 21 a of the surface printing 21.
In this step A, when the adhesive 14A is developed between the first base material 15 and the frame 11A, the adhesive 14A may be caused to flow into the fitting portion 11a and the through portions 11f and 11g of the frame 11A.
Further, in this step A, the surplus portion of the adhesive 14A developed between the first base material 15 and the frame 11A is outside the outer line 10a of the information medium 10 (outer line 21a of the surface printing 21). Unfold to expand the hem.

 Next, as shown in FIG. 5, the module 13 having the display element 12 is inserted into the insertion portion 11a formed inside the frame 11A (step B).

 Next, as shown in FIG. 6, the surface 11 h of the frame 11 </ b> A opposite to the surface facing the first substrate 15 (hereinafter referred to as “one surface”) 11 h and the first substrate of the module 13. The adhesive 14B discharged from the nozzle 31 of the adhesive application device is applied to a surface (hereinafter referred to as “one surface”) 13a opposite to the surface facing the surface 15 (step C).

As the adhesive 14B, the same adhesive as that for forming the adhesive layer 14 is used.
Further, the amount of the adhesive 14B applied to the one surface 11h of the frame 11A and the one surface 13a of the module 13 is not particularly limited, but the area of the frame 11A covered by the adhesive 14B is provided on the frame 11A. The through-holes 11f and 11g are appropriately adjusted according to the size and depth of the penetrations 11f and 11g.

 Next, as shown in FIG. 7, the printing surface of the second base material 16 on which the decorative surface printing 22 is applied to the frame 11A and the module 13 via the adhesive 14B applied to the frame 11A and the module 13 ( By superimposing the surface (one surface 16b) opposite to the other surface 16c) and pressing the second substrate 16 against the frame 11A and the module 13, the frame 11A and the module 13 and the second substrate 16c are pressed. The adhesive 14B is developed between the material 16 and the adhesive 14B is caused to flow into the through portions 11f and 11g of the frame 11A (step D).

In this step D, the second base material 16 is overlaid on the frame 11 </ b> A and the module 13 so that the display portion 12 a of the display element 12 faces the window portion 16 a of the second base material 16.
The outline 22a of the surface print 22 applied to the other surface 16c of the second substrate 16 is the outline 10a of the information medium 10 and the outline of the surface print 21 applied to the first substrate 15. Corresponds to 21a. That is, the frame 11A and the module 13 are arranged so that the outline 22a of the surface print 22 applied to the second substrate 16 and the outline 21a of the surface print 21 applied to the first substrate 15 overlap. The second substrate 16 is overlaid.
Further, in this step E, the excess portion of the adhesive 14 </ b> B developed between the frame 11 </ b> A and the module 13 and the second base material 16 is used as the outer line 10 a of the information medium 10 (outer line 22 a of the surface printing 22). The outer side is expanded so that the hem expands.

 Next, the laminate composed of the first base material 15, the adhesive 14 </ b> A, the frame 11 </ b> A, the module 13, the adhesive 14 </ b> B, and the second base material 16 is subjected to pressure treatment and treatment for curing the adhesive (e.g., heating, ultraviolet light Irradiation, electron beam irradiation, aging (the process of leaving it to cure with time)) (pressure treatment and adhesive curing process) to cure the adhesives 14A and 14B, The laminated body is integrated.

 Next, the laminate composed of the first base material 15, the adhesive 14 </ b> A, the frame 11 </ b> A, the module 13, the adhesive 14 </ b> B, and the second base material 16 is cut along the outline 10 a of the information medium 10 (process). E) The information medium 10 shown in FIG. 1 is obtained.

 In this step E, surplus portions of the adhesives 14A and 14B are also separated and removed by cutting the laminate.

 According to the information medium manufacturing method of this embodiment, the penetrating portions 11f and 11g extending along the respective sides of the outer edge portion except at least four corners and penetrating in the thickness direction thereof have the above-described information. Using the frame 11A formed so as to straddle the outer line of the medium 10 (the outer line of the shape of the final information medium 10), the adhesives 14A and 14B are caused to flow into the through-holes 11f and 11g. After forming a laminate composed of the material 15, the adhesive 14 </ b> A, the frame 11 </ b> A, the module 13, the adhesive 14 </ b> B and the second base material 16, the adhesives 14 </ b> A and 14 </ b> B are cured, Since cutting is performed along 10a, the first base material 15 and the second base material 16 are opposed to each other only through the adhesive layer 14 at the portion facing the recesses 11c and 11d of the frame 11, and in most of the side surfaces thereof. First group 15 and second substrate 16, only the interface between the adhesive layer 14 is exposed, it can be an interface between the frame 11 and the adhesive layer 14 to produce information medium 10 is not exposed. Therefore, the obtained information medium 10 is excellent in durability because the frame 11 and the adhesive layer 14 do not peel on the side surface.

 In this embodiment, the through edges 11 f and 11 g extending along the respective sides of the outer edge portion except for the four corners and penetrating in the thickness direction straddle the outline 10 a of the information medium 10. Although the case where the frame 11A formed in the above is used is illustrated, the present invention is not limited to this. In the present invention, a frame is used in which the outer edge extends along each side except for the four corners and is formed with a recess recessed inwardly from the contour line of the finally obtained information medium. May be.

 In this embodiment, in Step A, the case where the frame 11 is bonded to the one surface 15a of the first base material 15 by the adhesive 14A applied to the one surface 15a of the first base material 15 is illustrated. However, the present invention is not limited to this. In the present invention, the frame may be bonded to one surface of the first base material by heat fusion. In that case, no adhesive is applied to one surface of the first substrate. Therefore, in step D, the adhesive applied to one surface of the second substrate between the frame and the module and the second substrate by pressing the second substrate against the frame and the module. And the adhesive layer is formed only by allowing the adhesive to flow into the recesses or through portions of the frame.

 Moreover, in this embodiment, although the case where frame 11A consisted of one member was illustrated, this invention is not limited to this. In the present invention, the frame may be a combination of two or more members stacked in the thickness direction. For example, when the frame is composed of two members laminated in the thickness direction, two or more members may be joined in advance by an adhesive or heat fusion and used as one frame. Moreover, when using the flame | frame which combines two or more members, you may join one or more members to one base material, and may join one or more members to the other base material.

 Moreover, in this embodiment, although the case where the process B was performed after the process A was illustrated, this invention is not limited to this. In the present invention, step A and step B may be performed in any order. That is, in the present invention, in step B, after inserting the module into the insertion portion provided in the frame, in step A, the frame in which the module is installed is attached to one surface of the first base material. You may join to.

Moreover, in this embodiment, although the case where the surface printing 21 was given to the other surface 15b of the 1st base material 15 was illustrated, this invention is not limited to this. In the present invention, surface printing may be performed on one surface of the first base material.
Moreover, in this embodiment, although the case where the surface printing 22 was given to the other surface 16c of the 2nd base material 16 was illustrated, this invention is not limited to this. In the present invention, surface printing may be performed on one surface of the second substrate.

(2) Second embodiment “information medium”
8A and 8B are schematic configuration diagrams showing a second embodiment of the information medium of the present invention, in which FIG. 8A is a plan view and FIG. 8B is a sectional view taken along line BB in FIG.
The information medium 40 of this embodiment includes a frame 41 having a substantially rectangular shape in plan view, a module 43 provided in the frame 41 and having a display element 42, an adhesive layer 44 covering the frame 41 and the module 43, and an adhesive layer. A pair of base materials 45 and 46 (a first base material 45 and a second base material 46) sandwiching the frame 41 and the module 43 via 44 are schematically configured.
That is, in the information medium 40, a frame 41 in which a module 43 is provided is sandwiched between a first base material 45 and a second base material 46 via an adhesive layer 44, and these members are laminated in the thickness direction. It has a structure. Therefore, the frame 41 is bonded to the first base material 45 and the second base material 46 by the adhesive that forms the adhesive layer 44. Thereby, the information medium 40 has a substantially rectangular shape in plan view.
Here, providing the module 43 in the frame 41 means providing the module 43 inside the frame 41.

In order to insert the module 43, an insertion portion 41 a that penetrates in the thickness direction and has substantially the same shape as the outer shape of the module 43 is provided inside the frame 41. Further, the insertion portion 41 a is provided so that the display portion 42 a of the display element 42 is disposed at a position facing the window portion 46 a of the second base material 46 when the module 43 is inserted.
Further, the thickness of the frame 41 is substantially equal to the thickness of the module 43, and the surface of the module 43 inserted into the frame 41 is substantially flush with the surface of the frame 41.

The frame 41 is a convex portion 41 b with four corners protruding outward, and is dotted along each side between the four convex portions 41 b, and the outer lines of the first base material 45 and the second base material 46 A concave portion 41c, 41d having a substantially rectangular shape in plan view, which is recessed inward from the (outer periphery), forms an outer shape of a concavo-convex formed in plural at intervals. That is, the frame 41 has an uneven outer shape including a convex portion 41b and concave portions 41c and 41d.
Thereby, the first base material 45 and the second base material 46 are opposed to each other through only the adhesive layer 44 at a portion facing the concave portions 41c and 41d. That is, the adhesive layer 44 is also formed in the recesses 41 c and 41 d formed so as to extend to the outer edge of the frame 41, and the first base material 45 and the second base material 46 are bonded to the adhesive layer 44. Yes. Therefore, in most of the side surfaces of the information medium 40, only the interface between the first base material 45 and the second base material 46 and the adhesive layer 44 is exposed, and the interface between the frame 41 and the adhesive layer 44 is not exposed. It has become.
Moreover, the end surface 41e of the convex part 41b, the side surface of the 1st base material 45, and the side surface of the 2nd base material 46 have comprised the same surface.

Further, the surface 45a of the first base material 45 that is in contact with the adhesive layer 44 (hereinafter referred to as “one surface”) 45a is opposite to the surface 45b (hereinafter referred to as “the other surface”) 45b. Is printed for decoration, but one surface 45a of the first substrate 45 may be printed for decoration.
Similarly, a surface (hereinafter referred to as “the other surface”) 46c opposite to the surface (hereinafter referred to as “one surface”) 46b that is in contact with the adhesive layer 44 of the second base material 46 mainly. In this case, decorative printing is performed, but decorative printing may be performed on one surface 46 b of the second base material 46.
In addition, when printing is performed on the second base material 46, printing is performed on a portion of the display element 42 excluding the window portion 46a facing the display portion 42a.

As the material of the frame 41, the same material as in the first embodiment described above is used.
As the module 43, the same module as that in the first embodiment described above is used.
As the adhesive forming the adhesive layer 44, the same adhesive as in the first embodiment described above is used.
As the 1st base material 45 and the 2nd base material 46, the thing similar to the above-mentioned 1st embodiment is used.

 In this information medium 40, the frame 41 is a convex portion 41b whose four corners protrude outward. The information medium 40 is dotted along the respective sides between the four convex portions 41b. The concave portions 41 c and 41 d that are recessed inwardly from the contour line of the base material 46 have a plurality of concave and convex contour shapes formed at intervals, and the adhesive layer 44 is the first base material in the frame 41 and the module 43. 45 and the adhesive applied to the surface facing the second substrate 46, and the adhesive filled in the recesses 41c and 41d, and only the adhesive layer 44 is provided at the portion facing the recesses 41c and 41d. Since the first base material 45 and the second base material 46 face each other, only the interface between the first base material 45 and the second base material 46 and the adhesive layer 44 is exposed in most of the side surfaces. The interface between the frame 41 and the adhesive layer 44 Not exposed. Therefore, the information medium 40 is excellent in durability because the frame 41 and the adhesive layer 44 do not peel on the side surface.

In this embodiment, the case where the frame 41 is bonded to the first base material 45 and the second base material 46 by the adhesive forming the adhesive layer 44 is illustrated, but the present invention is not limited to this. . In the present invention, the frame may be heat-sealed to one of the pair of base materials.
Moreover, in this embodiment, although the case where the contact bonding layer 44 was interposing between the flame | frame 41 and the 1st base material 45 and the 2nd base material 46 was illustrated, this invention is not limited to this. In the present invention, when the frame is heat-sealed to one of the pair of base materials, the adhesive layer covers the surface opposite to the surface facing the one base material in the frame and the module. You may form from the agent and the adhesive agent with which the recessed part of the flame | frame was filled.
That is, for example, the frame 41 may be thermally fused to the first base material 45, and the frame 41, the module 43, and the second base material 46 may be bonded via the adhesive layer 44.

 Moreover, in this embodiment, although the case where the frame 41 consists of one member was illustrated, this invention is not limited to this. In the present invention, the frame may be a combination of two or more members stacked in the thickness direction. For example, when the frame is composed of two or more members laminated in the thickness direction, the two or more members are joined in advance by an adhesive or heat fusion and used as one frame. Moreover, when using the flame | frame which combines two or more members, you may join one or more members to one base material, and may join one or more members to the other base material.

In this embodiment, the case where the information medium 40 has a substantially rectangular shape in plan view is illustrated, but the present invention is not limited to this. In the present invention, the information medium may have a substantially square shape in plan view.
Moreover, in this embodiment, although the case where the module 43 which has the display element 42 was provided was illustrated, this invention is not limited to this. In the present invention, the module may not include the display element.

"Method of manufacturing information media"
Next, with reference to FIGS. 8 to 14, a method for manufacturing the information medium of this embodiment will be described.
First, as shown in FIG. 9, a first base material 45 having a decorative surface printing 51 on the other surface 45b is prepared.

 Next, as shown in FIG. 10, the adhesive discharged from the nozzle 61 of the adhesive application device onto one surface (the surface opposite to the surface on which the surface printing 51 is applied) 45 a of the first base material 45. 44A is applied.

As the adhesive 44A, the same adhesive as that for forming the adhesive layer 44 is used.
The amount of the adhesive 44A applied to the one surface 45a of the first base material 45 is not particularly limited, but the area of the frame 41A covered by the adhesive 44A, the through-holes 11f provided in the frame 41A, It is adjusted as appropriate according to the size and depth of 11 g.

Next, as shown in FIG. 11, through portions 41 f and 41 g that are scattered along the respective sides of the outer edge portion except for the four corners and penetrate in the thickness direction thereof are outline lines of the information medium 40 described above. (Outline of the shape of the final information medium 40) A plurality of insertion portions which are formed at intervals so as to straddle 40a and penetrate in the thickness direction on the inner side and have substantially the same shape as the outer shape of the module 43 A substantially rectangular frame 41A on which 41a is formed is prepared.
Then, the frame 41A is superimposed on one surface 45a of the first base material 45 via the adhesive 44A, and the frame 41A is pressed against the first base material 45, whereby the first base material 45 and the frame are pressed. The adhesive 44A is developed between 41A, and the frame 41A is bonded to one surface 45a of the first base material 45 (step A).

Here, the outline 40 a of the information medium 40 corresponds to the outline 51 a of the surface print 51.
In this step A, when the adhesive 44A is developed between the first base material 45 and the frame 41A, the adhesive 44A may be caused to flow into the fitting portion 41a and the through portions 41f and 41g of the frame 41A.
Further, in this step A, the excess of the adhesive 44A developed between the first base material 45 and the frame 41A is outside the outline 40a of the information medium 40 (the outline 51a of the surface printing 51). Unfold to expand the hem.

 Next, as shown in FIG. 12, the module 43 having the display element 42 is inserted into the insertion portion 41a formed inside the frame 41A (step B).

 Next, as shown in FIG. 13, a surface (hereinafter referred to as “one surface”) 41 h opposite to the surface facing the first base material 45 of the frame 41 </ b> A and the first base material of the module 43. The adhesive 44B discharged from the nozzle 61 of the adhesive application device is applied to a surface (hereinafter referred to as “one surface”) 43a opposite to the surface facing 45 (step C).

As the adhesive 44B, the same adhesive as that for forming the adhesive layer 44 is used.
The amount of the adhesive 44B applied to the one surface 41h of the frame 41A and the one surface 43a of the module 43 is not particularly limited, but the area of the frame 41A covered by the adhesive 44B is provided on the frame 41A. The through holes 41f and 41g are appropriately adjusted according to the size and depth of the through holes 41f and 41g.

 Next, as shown in FIG. 14, the printing surface of the second base material 46 on which the decorative surface printing 52 is applied to the frame 41 </ b> A and the module 43 via the adhesive 44 </ b> B applied to the frame 41 </ b> A and the module 43. By superimposing the surface (one surface 46b) opposite to the other surface 46c) and pressing the second base material 46 against the frame 41A and the module 43, the frame 41A and the module 43 and the second substrate The adhesive 44B is developed between the material 46 and the adhesive 44B is caused to flow into the through portions 41f and 41g of the frame 41A (step D).

In this process D, the second base material 46 is overlaid on the frame 41 </ b> A and the module 43 so that the display part 42 a of the display element 42 faces the window part 46 a of the second base material 46.
Further, the outline 52a of the surface print 52 applied to the other surface 46c of the second substrate 46 is the outline 40a of the information medium 40 and the outline of the surface print 51 applied to the first substrate 45. Corresponds to 51a. That is, the frame 41A and the module 43 are arranged so that the outline 52a of the surface print 52 applied to the second substrate 46 and the outline 51a of the surface print 51 applied to the first substrate 45 overlap. The second substrate 46 is overlaid.
Further, in this step E, the surplus portion of the adhesive 44B developed between the frame 41A and the module 43 and the second base material 46 is used as the outer line 40a of the information medium 40 (the outer line 52a of the surface printing 52). The outer side is expanded so that the hem expands.

 Next, the laminate composed of the first base material 45, the adhesive 44A, the frame 41A, the module 43, the adhesive 44B and the second base material 46 is subjected to a pressure treatment and a treatment for curing the adhesive (for example, heating, ultraviolet rays). Irradiation, electron beam irradiation, aging (the process of leaving it to cure over time)) (pressure treatment and adhesive curing treatment) to cure the adhesives 44A and 44B, The laminated body is integrated.

 Next, the laminate including the first base material 45, the adhesive 44A, the frame 41A, the module 43, the adhesive 44B, and the second base material 46 is cut along the outline 40a of the information medium 40 (process) E) An information medium 40 shown in FIG. 8 is obtained.

 In this step E, surplus portions of the adhesives 44A and 44B are also separated and removed by cutting the laminate.

 According to the method of manufacturing the information medium of this embodiment, the through portions 41f and 41g that are scattered along the respective sides of the outer edge portion except for the four corners and penetrate in the thickness direction thereof are the above-described information medium. The adhesives 44A and 44B are caused to flow into the through-holes 41f and 41g using a plurality of frames 41A formed at intervals so as to straddle 40 outer lines (outer lines of the shape of the final information medium 40) 40a. After forming a laminate composed of the first base material 45, the adhesive 44A, the frame 41A, the module 43, the adhesive 44B and the second base material 46, and curing the adhesives 44A and 44B, the above-mentioned laminate Since the body is cut along the contour line 40a, the first base 45 and the second base 46 are opposed to each other only through the adhesive layer 44 at the portion facing the recesses 41c and 41d of the frame 41, and the side surface thereof. For the majority of As one substrate 45 and second substrate 46, only the interface between the adhesive layer 44 is exposed, it can be an interface between the frame 41 and the adhesive layer 44 to produce information medium 40 is not exposed. Therefore, the obtained information medium 40 is excellent in durability because the frame 41 and the adhesive layer 44 do not peel on the side surface.

 In this embodiment, the outer edges extend along the respective sides except for the four corners, and the penetrating portions 41f and 41g penetrating in the thickness direction straddle the outline 40a of the information medium 40. However, the present invention is not limited to this. In the present invention, a frame is used in which the outer edge extends along each side except for the four corners and is formed with a recess recessed inwardly from the contour line of the finally obtained information medium. May be.

 In this embodiment, the case where the frame 41 is bonded to the one surface 45a of the first base material 45 by the adhesive 44A applied to the one surface 45a of the first base material 45 in the step A is exemplified. However, the present invention is not limited to this. In the present invention, the frame may be bonded to one surface of the first base material by heat fusion. In that case, no adhesive is applied to one surface of the first substrate. Therefore, in step D, the adhesive applied to one surface of the second substrate between the frame and the module and the second substrate by pressing the second substrate against the frame and the module. And the adhesive layer is formed only by allowing the adhesive to flow into the recesses or through portions of the frame.

 Moreover, in this embodiment, although the case where frame 41A consisted of one member was illustrated, this invention is not limited to this. In the present invention, the frame may be a combination of two or more members stacked in the thickness direction. For example, when the frame is composed of two members laminated in the thickness direction, two or more members may be joined in advance by an adhesive or heat fusion and used as one frame. Moreover, when using the flame | frame which combines two or more members, you may join one or more members to one base material, and may join one or more members to the other base material.

 Moreover, in this embodiment, although the case where the process B was performed after the process A was illustrated, this invention is not limited to this. In the present invention, step A and step B may be performed in any order. That is, in the present invention, in step B, after inserting the module into the insertion portion provided in the frame, in step A, the frame in which the module is installed is attached to one surface of the first base material. You may join to.

Moreover, in this embodiment, although the case where the surface printing 51 was given to the other surface 45b of the 1st base material 45 was illustrated, this invention is not limited to this. In the present invention, surface printing may be performed on one surface of the first base material.
Moreover, in this embodiment, although the case where the surface printing 52 was given to the other surface 46c of the 2nd base material 46 was illustrated, this invention is not limited to this. In the present invention, surface printing may be performed on one surface of the second substrate.

10, 40 ... information medium, 11, 41 ... frame, 12, 42 ... display element, 13, 43 ... module, 14, 44 ... adhesive layer, 15, 45 ... first One substrate, 16, 46 ... second substrate, 21, 22, 51, 52 ... surface printing.

Claims (2)

A substantially rectangular frame, a module provided in the frame, an adhesive layer in contact with at least a part of the frame, and a pair of base materials in contact with the adhesive layer and sandwiching the frame and the module; An information medium provided,
The frame is a convex part with at least four corners projecting outward, and has a contoured shape of irregularities composed of the convex part and the concave part,
The end surfaces of the convex portions and the side surfaces of the pair of base materials form the same surface,
A part of the adhesive layer is made of an adhesive filled in the recess,
The information medium, wherein the pair of base materials face each other only through the adhesive layer in a portion facing the concave portion. A substantially rectangular frame, a module provided in the frame, an adhesive layer in contact with at least a part of the frame, and a pair of base materials in contact with the adhesive layer and sandwiching the frame and the module; The frame is a convex portion with at least four corners projecting outward, and has an uneven outer shape formed by the convex portion and the concave portion, and the end surface of the convex portion and the side surfaces of the pair of base materials are flush with each other An information medium in which a part of the adhesive layer is made of an adhesive filled in the concave portion, and the pair of base materials are opposed to each other only through the adhesive layer in a portion facing the concave portion. A manufacturing method of
On one surface of the first base material, at least four corners are convex portions projecting outward from the contour line of the information medium, and form an irregular contour shape composed of the convex portion and the concave portion, and the concave portion is the contour line A substantially rectangular frame that is recessed inwardly and has an insertion portion into which the module is to be inserted, or a penetrating portion that penetrates in the thickness direction except at least four corners on the outer edge portion. A step of joining a substantially rectangular frame formed so as to straddle the outline and having a fitting portion for fitting the module inside,
Step B for inserting the module into the insertion portion;
Applying an adhesive to a surface of the module and the module opposite to the surface facing the first substrate;
Via the adhesive, the frame and the module are overlapped with one surface of the second base material, and the second base material is pressed against the frame and the module. Step D for causing the adhesive to flow between the module and the second base material, and causing the adhesive to flow into the recess or the penetrating portion;
Cutting the laminate including the first base material, the adhesive, the frame, the module, and the second base material along the contour line, and
A method of manufacturing an information medium, wherein the step A and the step B are performed in random order.

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