WO2008053702A1 - Non-contact ic tag label and method of producing the same - Google Patents
Non-contact ic tag label and method of producing the same Download PDFInfo
- Publication number
- WO2008053702A1 WO2008053702A1 PCT/JP2007/070143 JP2007070143W WO2008053702A1 WO 2008053702 A1 WO2008053702 A1 WO 2008053702A1 JP 2007070143 W JP2007070143 W JP 2007070143W WO 2008053702 A1 WO2008053702 A1 WO 2008053702A1
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- WIPO (PCT)
- Prior art keywords
- layer
- antenna
- contact
- tag label
- conductive layer
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/0772—Physical layout of the record carrier
- G06K19/07722—Physical layout of the record carrier the record carrier being multilayered, e.g. laminated sheets
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/0775—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for connecting the integrated circuit to the antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention relates to a non-contact IC tag label and a manufacturing method thereof. More specifically, unlike a conventional non-contact IC tag label, the present invention relates to a non-contact IC tag label in which an antenna pattern is held on a surface protection sheet without a base substrate, and to a manufacturing method thereof.
- Non-contact IC tag labels also called RFID (Radio Frequency Identification) or non-contact data carriers, are equipped with an IC chip that holds information that can be used to identify individuals. It relates to a medium that can be read by.
- RFID Radio Frequency Identification
- non-contact IC tag labels are used in fields such as transportation and distribution, warehouses, factory process management, package management, etc.! /
- Patent Document 1 proposes a method of directly forming an antenna using a punching blade.
- Patent Document 2 A manufacturing method for forming a resonance tag by punching is also described in Patent Document 2. However, the configuration of the resonant tag of the same document is different from the present application.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2005-346696
- Patent Document 2 JP-A-9 44762
- the conventional non-contact IC tag label has a configuration in which a base film for supporting the antenna from the lower side is indispensable, and thus has a problem of increasing the cost of the data carrier.
- the conventional manufacturing method in the case of the etching method, the resist plate making equipment and the equipment for etching in the case of using resist printing or photomask are required, and it is necessary to make a pattern for each product. There were treatments and production speed was limited, and there was a problem of increasing material costs and manufacturing costs.
- the non-contact IC tag label is illegally reused, for example, the non-contact IC tag label is peeled off from a product to which the non-contact IC tag label is normally attached, and the peeled non-contact IC tag label is made a counterfeit or imitation product. It is necessary to affix and prevent wearing a genuine product. For this reason
- the contactless IC tag label break down when it is forcibly removed from the product.
- the conventional non-contact IC tag label has an antenna and a chip on a base film made of polyethylene terephthalate, polyethylene naphthalate, polyimide, etc. It is difficult to make contact IC tag labels fail.
- Patent Document 1 is a method for producing a non-contact IC tag label conductive member, which includes a process of mounting an IC chip, laminating a surface protective sheet with an adhesive layer, and then punching the label. Not proposed. Therefore, the present application has been completed by studying low-cost non-contact IC tag labels and manufacturing methods thereof.
- the present invention provides a conductive layer having a predetermined antenna pattern shape, an IC chip mounted on one surface of the conductive layer, and the conductive layer and the IC chip from one surface side of the conductive layer.
- a surface protective sheet supported via the first pressure-sensitive adhesive layer, and the other surface of the conductive layer;
- an adhesive resin layer having the same shape as the antenna pattern shape of the conductive layer, and the adhesive resin layer is temporarily attached to a release paper made of paper or a plastic substrate so as to be peelable.
- This is a non-contact IC tag label characterized by the above.
- the adhesive resin layer can be made to be a heat adhesive resin layer or an adhesive layer.
- the surface protection sheet is a heat-sensitive color paper, it is preferable because direct printing is possible.
- the antenna pattern may be compatible with various types such as a spiral coil type, a dipole type, or a patch type.
- the adhesive strength of the first pressure-sensitive adhesive layer is preferably weaker than the adhesive strength of the adhesive resin layer to the adherend to which the non-contact IC tag label is adhered.
- the adherend is preferably made of wood, paper, metal, or plastic.
- the IC chip is mounted on one surface of the conductive layer via a conductive pattern layer.
- the present invention comprises a step of preparing a release paper comprising a paper or plastic substrate and having a release surface, and comprising a conductive layer and a heat-adhesive resin layer on the release surface of the release paper.
- Process and the table A method for producing a non-contact IC tag label, comprising: a step of punching the protective sheet and the first pressure-sensitive adhesive layer into an outer shape
- the present invention comprises a step of preparing a release paper made of paper or a plastic substrate and having a release surface, and a conductive layer and a second pressure-sensitive adhesive layer on the release surface of the release paper.
- antenna The step of adhering the material with the second pressure-sensitive adhesive layer facing the release surface side, and the antenna punching die, the conductive layer of the antenna material and the second pressure-sensitive adhesive layer are separated from the conductive layer side.
- a step of laminating a surface protective sheet on the IC chip via a first adhesive layer, and the surface protective sheet and the first pressure-sensitive adhesive layer of the non-contact IC tag label using a label release die A method for producing a non-contact IC tag label, comprising a step of punching out an outer shape.
- the antenna pattern may be applicable to various types such as a spiral coil type, a dipole type, and a patch type.
- the adhesive strength of the first pressure-sensitive adhesive layer may be weaker than the adhesive strength of the thermal adhesive resin layer to the adherend to which the non-contact IC tag label is adhered.
- the pressure-sensitive adhesive strength of the first pressure-sensitive adhesive layer is preferably weaker than the pressure-sensitive adhesive strength of the second pressure-sensitive adhesive layer with respect to the adherend to which the non-contact IC tag label is bonded.
- the present invention comprises a step of preparing a release paper comprising a paper or a plastic substrate and having a release surface, and comprising a conductive layer and a thermoadhesive resin layer on the release surface of the release paper.
- the step of removing the part other than the antenna pattern, the IC chip is mounted in advance, and the conductive pattern layer formed on the surface protection sheet is connected to the antenna pattern via the first adhesive layer.
- the present invention provides a release paper made of paper or a plastic substrate and having a release surface.
- a step of adhering an antenna material comprising a conductive layer and a second pressure-sensitive adhesive layer on the release surface of the release paper, with the second pressure-sensitive adhesive layer facing the release surface, and an antenna.
- a non-contact IC tag label comprising: a step; and a step of punching out the surface protection sheet and the first pressure-sensitive adhesive layer into an outer shape of the non-contact IC tag label using a label release die. Made The method is,.
- a step of providing a thermoplastic adhesive resin layer on the conductive pattern layer and connecting the conductive pattern layer on the antenna pattern includes the step of connecting the conductive pattern layer.
- a step of adhering onto the antenna pattern via the thermoplastic adhesive resin layer a thermal caulking method, an ultrasonic connection method, a thermocompression bonding method, and a stab fastening method; And / or a step of connecting the conductive pattern layer to the antenna pattern!
- the manufacturing cost can be reduced because it is completed by a die cutting method using an antenna punching die without using a conventional etching method.
- the adhesive strength of the first pressure-sensitive adhesive layer is determined by the adhesive resin layer (thermal adhesive resin) to the adherend to which the non-contact IC tag label is adhered.
- Layer, the second adhesive layer is weaker than the adhesive strength.
- the non-contact IC tag label breaks down when the non-contact IC tag label is forcibly removed from the adherend, so it is necessary to attach the peeled non-contact IC tag label to a counterfeit or imitation product and disguise it as a regular product. Prevent with force S.
- FIG. 1 is a view showing a non-contact IC tag label of the present invention.
- FIG. 2 is a diagram for explaining how to use the non-contact IC tag label.
- FIG. 3 is a diagram for explaining a production process 1 of a non-contact IC tag label.
- FIG. 4 is a diagram for explaining a production process 2 of a non-contact IC tag label.
- FIG. 5 is a diagram showing a structure of an antenna punching device.
- FIG. 6 is a diagram for explaining an example of an interposer.
- FIG. 7 is a diagram showing a modification of the non-contact IC tag label.
- FIG. 8 is a diagram showing a process of connecting a conductive pattern layer on an antenna pattern in the manufacturing process of the non-contact IC tag label shown in FIG.
- Fig. 9 is a diagram showing an action when the non-contact IC tag label is peeled off from the adherend.
- FIG. 1 is a diagram showing a non-contact IC tag label according to the present invention
- FIG. 2 is a diagram explaining how to use the non-contact IC tag label
- FIG. 3 is a diagram explaining a manufacturing process 1 of the non-contact IC tag label.
- 4 is a diagram for explaining the manufacturing process 2 of the contactless IC tag label
- FIG. 5 is a diagram showing the structure of the antenna punching device
- FIG. 6 is a diagram for explaining an example of the interposer
- FIG. 7 is a diagram of the contactless IC tag label.
- FIG. 8 is a diagram showing a modification
- FIG. 8 is a diagram showing a process of connecting the conductive pattern layer on the antenna pattern in the manufacturing process of the non-contact IC tag label shown in FIG. 7, and FIG. It is a figure which shows the effect
- FIG. 1 is a view showing a non-contact IC tag label 1 according to the present invention.
- FIG. 1 (A) is a plan view of the antenna 2 and the IC chip 3 as seen through the surface protection sheet 4 .
- FIG. 1 (B) is a cross-sectional view of FIG. 1 (A).
- a dipole antenna 2 is formed on the back surface of the surface protection sheet 4.
- the antenna 2 can have various shapes, and may be a spiral coil type, a notch type, or other shapes. 13. In the case of the 56MHz band, it is normal to use a spiral coil antenna that generates electromotive force by electromagnetic induction.
- Fig. 1 (A) Even if it is a dipole antenna, it does not have to be bent as shown in Fig. 1 (A), but may be any shape that conforms to the wavelength of the UHF band or 2.45GHz band.
- the distance between both ends of antenna 2 is about 95mm, and the line width is about lmm.
- the IC chip 3 is about 0.6 mm square.
- the IC chip 3 is mounted (electrically connected) between the joint portions 2a and 2b of the quarter-wave antennas 2L and 2R. Patterns 2c and 2d for stabilizing the arrangement of the IC chip 3 are provided. The pattern is not connected to the IC chip and has no electrical significance.
- the rectangular circuit 2k surrounding the IC chip 3 is a circuit (impedance matching circuit) for matching the impedance of the antenna 2 and the IC chip 3.
- the IC chip 3 has a data storage area (memory) and is a normal one having an input / output function, a control function, and a signal modulation / demodulation / control function. As shown in Fig. 1, a single component of IC chip 3 or an interposer may be mounted.
- IC chip 3 may be mounted on one surface of conductive layer 6 (described later) via conductive pattern layer 3c! Les.
- a thermoplastic adhesive resin layer 3d made of, for example, a conductive resin is interposed between the conductive pattern layer 3c and the conductive layer 6!
- FIG. 1B is a cross-sectional view taken along the horizontal center line of FIG. The dimension in the thickness direction is an enlarged view.
- IC chip 3 is shown as being on the force centerline, which is slightly offset from the horizontal centerline.
- the non-contact IC tag label 1 is supported on the back surface (inner surface side) of the surface protection sheet 4 by adhering the antenna 2 and the IC chip 3 to the adhesive layer 5 (first adhesive layer). ing.
- Adhesive layer 5 is applied to the entire inner surface of surface protective sheet 4.
- the force that appears to have a gap between the adhesive layer 5 and the conductive layer 6 is actually in close contact.
- the release surface 8 of the release paper 9 and the pressure-sensitive adhesive layer 5 are in close contact with each other. This state is the same in FIGS. 2, 3, and 4.
- the antenna 2 is composed of a conductive layer 6 and has an adhesive resin layer 7 on the lower surface. Since the antenna 2 is formed by punching the conductive layer 6 with the adhesive resin layer 7 using a punching die as will be described later, both layers are formed in substantially the same shape.
- the surface of the conductive layer 6 is in contact with the pressure-sensitive adhesive layer 5, and the adhesive resin layer 7 is temporarily bonded to a release paper 9 made of paper or a plastic substrate!
- a heat-adhesive resin or an adhesive resin can be used.
- the surface of the release paper 9 on the adhesive resin layer 7 side is a release surface 8.
- the surface of the release surface 8 may be coated with a silicone resin. The Depending on the resin film, it may be an untreated material having releasability.
- the conductive layer 6 is made of metal foil or alloy foil such as aluminum, copper, copper alloy, phosphor bronze, and SUS.
- the adhesive resin layer 7 is also a material for temporarily adhering the conductive layer 6 to the release surface (of the release paper 9) 8 and can be peeled relatively easily.
- the surface protection sheet 4 is a sheet that covers the entire area of the non-contact IC tag 1 including the antenna 2 and the IC chip 3.
- the surface protective sheet 4 and the release surface 8 of the release paper 9 which are portions where the antenna 2 is not interposed are directly temporarily bonded by the adhesive layer 5 as described above.
- the peel strength between the surface protective sheet 4 and the pressure-sensitive adhesive layer 5 is Fl
- the peel strength between the pressure-sensitive adhesive layer 5 and the conductive layer 6 is F2
- the peel strength between the conductive layer 6 and the adhesive resin layer 7 is F5.
- the release paper 9 side is peeled and removed, and only the surface protection sheet 4, the antenna 2 and the IC chip 3 integrated sheet are attached to the adherend, so the release paper 9 is peeled off. This is because the above relationship is naturally necessary.
- the adhesive resin layer 7 and the pressure-sensitive adhesive layer 5 can obtain only a weak peeling strength, and the above-mentioned force relationship is normal.
- the conductive layer 6 of the antenna 2 is in direct contact with the adherend via the adhesive resin layer 7.
- the conventional non-contact IC tag label has a base film that supports the antenna 2 and the IC chip 3, so that the conductive layer 6 of the antenna 2 does not directly contact the adherend. Yes.
- the area where the adhesive resin layer 7 of the antenna 2 is in contact with the adherend is small, and most of the adhesive force to the adherend is due to the adhesive layer 5.
- the surface protection sheet 4 functions to prevent the antenna 2 and the IC chip 3 from coming into direct contact with the corrosive gas of the external environment to prevent oxidation and to prevent water wetting.
- the adhesive strength of the adhesive layer 5 is preferably weaker than the adhesive strength of the adhesive resin layer 7 to the adherend 10. That is, the peel strength between the pressure-sensitive adhesive layer 5 and the adherend 10 is F6, and the adhesive resin layer When the peel strength between 7 and the adherend 10 is F7, it is preferable that F1> F6, F3> F2, and F7> F2! /.
- the non-contact IC tag label 1 breaks down. That is, when the non-contact IC tag label 1 is stuck on the adherend 10 (FIG. 9 (A)), when the non-contact IC tag label 1 is forcibly peeled off, the surface protective sheet 4 and the adhesive layer 5 Only peel off. On the other hand, the antenna 2 and the IC chip 3 remain on the adherend 10 side (FIG. 9 (B)). As a result, after the non-contact IC tag label 1 is peeled off from the adherend 10, the non-contact IC tag label 1 can be affixed to a counterfeit product or a counterfeit product and prevented from wearing a regular product.
- the base film is not used on the side of the adherend that supports the antenna as in the prior art, when the adherend is wet with water or when the adherend is metal, the antenna 2 is short-circuited. Although it is likely to occur, since the adhesive resin layer 7 is interposed between the conductive layer 6 and the adherend and is surrounded by the pressure-sensitive adhesive layer 5, the influence of water can be reduced. However, short-circuits cannot be prevented under extremely wet conditions, but in this case, any non-contact IC tag label is not suitable for use. The same applies when the adherend is a metal.
- the adhesive resin layer 7 a thermal adhesive resin or an adhesive is used.
- the heat-adhesive resin is a so-called hot-melt adhesive, and is a material that is solid at normal temperature but melts by heating or heating and pressurizing and exhibits adhesiveness.
- the adhesive resin is a pressure-sensitive adhesive, for example, an acrylic pressure-sensitive adhesive is used.
- An adhesive having the same quality as the adhesive layer 5 may be used.
- the adhesive resin layer 7 of the antenna 2 has a force S used to maintain a temporary adhesion state between the antenna 2 and the release paper 9, and peels the release paper 9 to attach the non-contact IC tag label 1 to the adherend. When worn, it is preferable to exhibit a certain peel strength.
- an aluminum foil or copper foil is usually used in many cases. 13.
- For a 56 MHz band antenna use a force of about 12 ⁇ to 35 ⁇ m.
- FIG. 2 is a diagram for explaining a method of using the non-contact IC tag label 1.
- the antenna 2 and IC chip 3 that are temporarily bonded to the release surface 8 are separated from each other.
- the pattern paper 9 is peeled off and removed (FIG. 2 (A)) and attached to the adherend 10 that is the object. Since the actual area occupied by the conductive layer 6 of the antenna 2 is small, unlike the illustrated image, most of the area is bonded to the adherend 10 by the adhesive layer 5 of the surface protection sheet 4. In the state after sticking, the entire surface of the antenna 2 and the IC chip 3 is covered with the surface protection sheet 4, so that the influence of oxidation or water wetting can be avoided (Fig. 2 (B)). .
- manufacturing process 1 refers to the case where a heat-adhesive resin is used for the adhesive resin layer 7 and manufacturing process 2 uses a pressure-sensitive adhesive.
- FIG. 3 is a diagram for explaining a manufacturing process 1 of a non-contact IC tag label.
- a heat-adhesive resin is applied to a release surface 8 of a continuous body of a strip-shaped antenna material 2 m composed of a conductive layer 6 and a heat-adhesive resin layer 7h and a release paper 9 composed of paper or a plastic substrate.
- Layers 7h are stacked in close contact with each other and supplied to the production line. Close contact means contact but not adhesion.
- the antenna layer 20 having the heat source 21 from the conductive layer 6 side is used to connect the conductive layer 6 of the antenna material 2m and the thermal adhesive resin layer 7h at regular intervals. Die the pattern.
- the heat-adhesive resin layer 7h is melted at the same time as the mold is released by the heat source 21 of the antenna release mold 20, and the antenna 2 is temporarily bonded to the release surface 8 of the release paper 9.
- the part of the die-cut antenna material 2m other than the antenna pattern is in a continuous state and is removed using a separation roll (not shown) at the subsequent stage.
- the antenna 2 has a detailed structure as shown in FIG. 1, which symbolically illustrates the antenna 2 in a block shape.
- the antenna die cutting may be performed using a flat plate punching die or a die provided on a rotating cylinder surface.
- the IC chip 3 is mounted at a predetermined position of the antenna 2.
- a dipole antenna it is mounted between the left and right quarter-wave antennas 2R and 2L, and in the case of a planar coil antenna, it is mounted between both ends of the coil.
- the IC chip 3 may be mounted directly, or an IC chip that is an interposer may be mounted.
- an IC chip that is an interposer may be mounted.
- individual pieces use anisotropic conductive paste, tape, non-conductive paste, etc. (with the IC chip pads or bumps in close contact with the antenna), and fix the periphery firmly.
- IC chip 3 having stud bumps is used and the bumps are pierced into the metal of antenna 2.
- connection will be secure if it is fixed.
- a conductive adhesive is used, and a method of connecting with a caulking tool or a method of melting and bonding the metal of both the interposer and the antenna by an ultrasonic connection method is adopted.
- the surface protective sheet 4 is laminated on the antenna 2, the IC chip 3, and the release surface 8 using an adhesive.
- This pressure-sensitive adhesive is one that maintains an intermediate tack state that can be used indefinitely without causing the viscosity to rise significantly and rapidly. Since the antenna 2 on the surface of the release paper 9 is made of a thin metal foil, it tends to be easily peeled off although it is temporarily attached by the heat-adhesive resin layer 7h.
- the adhesive layer 5 firmly fixes the surface of the release paper 9 and stabilizes it.
- the adhesive layer 5 plays a role of stably holding the antenna 2 and the IC chip 3 integrally even when attached to the adherend.
- the conductive pattern layer 3c is interposed between the IC chip 3 and the conductive layer 6, the IC chip 3 is mounted on the antenna 2, and then the surface protection sheet 4 is laminated on the IC chip 3.
- the step (Figs. 3 (B) and (C)) may be performed as follows. That is, as shown in FIGS. 8A and 8B, the IC chip 3 is first mounted in advance, and the conductive pattern layer 3c formed on the surface protective sheet 4 with the first adhesive layer 5 interposed therebetween. Prepare (Fig. 8 (A)). Next, the conductive pattern layer 3c is connected on the antenna pattern. At this time, the conductive pattern layer 3c is stuck on the antenna pattern via the thermoplastic adhesive resin layer 3d formed on the conductive pattern layer 3c. Next, the conductive pattern layer 3c and the antenna pattern are connected using at least one of a thermal caulking method, an ultrasonic connection method, a thermocompression bonding method, and a stapler fastening method (FIG. 8 (B)).
- the surface protection sheet 4 around the antenna 2 is die-cut into the outer shape of the non-contact IC tag label 1 using the label die 30.
- This process is a process for facilitating cutting off the adjacent label force and removing the substrate around the label.
- the non-contact IC tag label 1 is formed into a unit label shape, it is removed until it penetrates the release paper 9 made of paper or a plastic substrate (indicated by a broken line h in FIG. 3 (D)).
- the non-contact IC tag label 1 is to be a strip-shaped connecting body, the die is removed to a depth that reaches the release surface 8 of the release paper 9. In the latter case, there is a process of continuously removing unnecessary material around the label. Yes
- FIG. 4 is a diagram for explaining a manufacturing process 2 of the non-contact IC tag label.
- Manufacturing process 2 is a case where an adhesive is used for the adhesive resin layer 7.
- a strip-shaped antenna material 2n composed of a conductive layer 6 and an adhesive layer 7n (second adhesive layer) and a continuous sheet of release paper 9 composed of paper or a plastic substrate on which a release surface 8 is formed are stacked and separated.
- the pressure-sensitive adhesive layer 7n is brought into contact with the mold surface 8 and pressed. Since the pressure-sensitive adhesive layer 7n has an adhesive force with respect to the release surface 8, it can be brought into an adhesive state simply by applying pressure. However, the same result can be obtained by laminating a paper having a release surface 8 or a release paper 9 made of a plastic substrate while applying an adhesive to the conductive layer 6.
- the antenna pattern mold 20 is formed between the conductive layer 6 and the adhesive layer 7n of the antenna material 2n at regular intervals by using the antenna removing mold 20 from the conductive layer 6 side. Remove it. Unlike thermo-adhesive resins, the die 20 does not require a heat source. The part other than the antenna pattern of the antenna material 2m that has been die-cut is in a continuous state and is removed using a separation roll (not shown) (Fig. 4 (B)). As shown in FIG. 4 (B), the antenna may be punched using a flat die punching die or a die provided on the rotating cylinder surface.
- the IC chip 3 or the interposer is mounted at a predetermined position of the antenna 2.
- the mounting method is the same as in manufacturing process 1.
- a surface protective sheet 4 is laminated on the antenna 2, the IC chip 3, and the release surface 8 using an adhesive (FIG. 4D). Finally, the surface protection sheet 4 around the antenna 2 is punched into the outer shape of the non-contact IC tag label 1 using the label punching die 30 (FIG. 4 (E)).
- the IC chip 3 is mounted on the antenna 2 in the same manner as in the manufacturing process 1. (Fig. 8 (A) (B)). That is, the IC chip 3 may be mounted in advance, and the conductive pattern layer 3c formed on the surface protection sheet 4 may be connected to the antenna pattern via the first pressure-sensitive adhesive layer 5.
- FIG. 5 is a diagram showing the structure of the antenna punching device.
- the punching cylinder 20 is a metal roller, and a punching blade 18 corresponding to the pattern of the antenna 2 is formed on the peripheral surface thereof.
- a plurality of punching blades 18 for punching the pattern of one antenna 2 are arranged around the processing cylinder 20. However, the number of groups arranged differs depending on the dimensions of the antenna outer shape and the processing cylinder diameter.
- the receiving roller 17 is composed of a metal roller or a hard rubber roller.
- the distance (gap) from the processing cylinder 16 can be adjusted in accordance with the thickness of the release paper 9, the metal foil conductive layer 6, etc. by changing the position of the receiving roller 17.
- an engraving roller, a rotary die, or the like can be used as the processing cylinder 20.
- a continuous body 10w of the release paper 9 and the conductive layer 6 (including the adhesive resin layer 7) is drawn between the processing cylinder 20 and the receiving roller 17, and is punched from the surface of the conductive layer 6 with a punching blade 18.
- the pattern of antenna 2 is punched out.
- the punching blade 18 of the processing cylinder 20 punches out a part of the conductive layer 6, the heat-adhesive resin layer 7h, or the adhesive layer 7n, and the antenna 2 is formed easily and accurately.
- the thickness of the punching blade 18 is adjusted so as not to punch the layer of the release paper 9.
- the continuum 10w of the release paper 9 and the conductive layer 6 is formed on the outline of the antenna 2 (outer edges on both sides of the antenna line) by the tip of the punching blade 18 penetrating the continuum of the conductive layer 6 that is a metal foil. Along the line, a pattern cut as shown in FIG. 1 is formed. As a result, the conductive layer 6 is accurately punched according to the pattern of the antenna 2, and the contour of the pattern of the antenna 2 is finely arranged.
- air holes 81 are formed between the punching blade 18 and the punching blade 18 on the outer peripheral surface of the processing cylinder 20 (corresponding to unnecessary portions of the conductive layer 6). Yes.
- the air hole 81 is connected to a suction / discharge device 82. And the suction 'discharge device 82 When the punching blade 18 punches out the continuous body 10w, air is sucked through the air hole 81 to the punching die side (arrow a direction), and the conductive layer 6 and adhesive resin 7 of the continuous body 10w are sucked once.
- the conductive layer 6, the heat-adhesive resin layer 7h or the adhesive layer 7n can be more reliably punched with a predetermined pattern, and it is possible to avoid recombination of unnecessary parts and necessary parts after punching, The unnecessary part of the continuum 10w can be easily collected. Further, it is possible to prevent unnecessary portions from being clogged between adjacent punching blades 18 on the outer peripheral surface of the additional cylinder 20.
- the air holes 81 may be switchably connected to the suction mechanism and the discharge mechanism of the suction / discharge device 82! /, And the air hole connected to the suction mechanism and the air hole connected to the discharge mechanism are connected to each other. Each may be provided independently.
- the adhesive resin layer 7 is the pressure-sensitive adhesive layer 7 ⁇ and the pressure-sensitive adhesive strongly adheres to the release layer paper 9, it becomes difficult to separate the unnecessary part from the necessary part. Is selected and used.
- flat board punching although not shown in the figure, it will be understood by those skilled in the art that air holes are similarly provided so that the necessary portions of the punched antenna 2 can be left on the release paper 9 and unnecessary parts can be easily removed. It is self-evident.
- Separation rollers 20a and 20b force S are provided on the downstream side of the processing cylinder 20 above and below the continuous body 10w.
- the antenna 2 travels in the direction of the arrow (downward) while being held on the release paper 9, and the unnecessary part 2w punched out by the processing cylinder 20 travels in the direction of the arrow (upward) while being completely separated from the continuum 1 Ow.
- necessary members such as the IC chip 3 are mounted on the antenna 2 and the surface protective sheet 4 is laminated. Since the portion of the conductive layer 6 that becomes the antenna 2 is a small area, the unnecessary portion 2w is actually larger! / And is removed as a continuous body of area.
- FIG. 6 is a diagram for explaining an example of an interposer. 6A is a plan view, FIG. 6B is a cross-sectional view, and FIG. 6C is a view of the antenna 2 mounted.
- the interposer 3i forms connection terminals 3a, 3b (conductive pattern layer 3c) made of a metal foil conductive layer on the surface of the base material 31 (surface protective sheet 4), and an IC chip is formed on the connection terminals 3a, 3b. 3 is installed.
- the bumps of the IC chip 3 are electrically connected to the connection terminals 3a and 3b by a conductive adhesive or the like (FIG. 6 (B)).
- the actual substrate width of the interposer 3i is about 2 to 3 mm, and the length is about several mm.
- connection terminals 3a, 3b When attaching the interposer 3i to the antenna 2, as shown in Fig. 6 (C), contact the connection terminals 3a, 3b to the antenna 2 and use the caulking blade from the opposite side of the substrate 31 (arrows yl, y2). Forcibly push it in and connect it at the point marked “X”.
- a technique is also described in Japanese Patent Application Laid-Open No. 2006-107418, which is a prior application of the applicant. Further, an ultrasonic mounting method may be employed.
- the surface protective sheet 4 is adhered and laminated as shown in FIG.
- the surface protection sheet 4 can be made of polyethylene terephthalate (PET), PET-G (terephthalic acid-cyclohexanedimethanol-ethylene glycol copolymer), polychlorinated, as long as it is a water-resistant plastic film or paper. Bull, chlor chloride Bull acetate copolymer, polycarbonate, polyamide, polyimide, senorelose diacetate, senorelose triacetate, polystyrene, ABS, polyacrylate, polypropylene, polyethylene, polyurethane, resin-impregnated paper, coated paper, etc. Various materials can be used.
- Thermal paper can also be used.
- the thermal paper contains a developer and can easily print the necessary information when using a non-contact IC tag label 1 as a label.
- Conventionally, the method of directly forming the antenna on the label paper has been adopted.
- the thermal paper is used for this label paper, there is a problem that the thermal paper is colored especially by the energy at the time of antenna formation. It was happening.
- the antenna is formed on the release paper (separator) side, there is an advantage that even if the heat-sensitive paper is used on the surface after the antenna is formed, dirt is hardly generated.
- the surface protective sheet 4 is coated with an adhesive layer composed of a heat-sensitive adhesive resin layer, this is an embodiment that can be used for specific applications. If the material is the same as that of the heat-adhesive resin layer 7h of the antenna 2, it can be melt-bonded under the same conditions when being attached to the adherend 10.
- Adhesive refers to various types such as a solvent type, a polymerization type, an ultraviolet curable type, an emulsion type, and a heat melting type, and includes a so-called adhesive type. In either case, the purpose can be achieved by bonding the two materials.
- adhesive refers to an adhesive that maintains an intermediate tack state as long as the viscosity does not increase remarkably.
- Adhesive and pressure-sensitive adhesive resin compositions include natural rubber-based, nitrile rubber-based, epoxy-resin-based, bure iliajon-acetate-based, polyester-based, acrylic-based, acrylate-based copolymer system, and polybulal alcohol-based. Various materials such as phenol resin can be used.
- a material that achieves low peel strength by applying a low contact angle drug (usually silicone) to a paper substrate is used.
- a low contact angle drug usually silicone
- the paper base material high-quality paper, kraft paper, dalasin paper, parchment paper, super calendered paper, etc. are used, and the silicone coating power, polyethylene coating, clay binder coating, silicone coating Many are used.
- PET, OPP (biaxially oriented polypropylene), and PE are used as they are, or coated with silicone and used as a release paper substrate.
- a polyester hot melt adhesive (thermoadhesive resin layer 7h) coated to a thickness of 20am on an anoremi foil with a width of 120mm and a thickness of 15m was used.
- release paper kraft paper with a width of 120 mm and a thickness of 100 m and silicon-coated surface was used.
- the 2 m antenna material is placed on top of this release paper 9 and supplied to the prototype flat plate antenna die 20 with heat source, and the dipole antenna 2 shaped as shown in Fig. 1 is placed at intervals of 50 mm. And punched continuously.
- the punching die 20 is a device having the above-described air hole 81 and connected to the suction / discharge device 82.
- the heat source was also placed on the die receiving side so that the heat-adhesive resin layer 7h was sufficiently heated and melted.
- antenna material 2m continuum aluminum foil with a width of 120mm and a thickness of 15m was used.
- the adhesive resin layer 7 used was an acrylic adhesive 7n coated to a thickness of 25 ⁇ .
- release paper 9 kraft paper with a width of 120 mm and a thickness of 80 m and silicon-coated surface was used. The release paper 9 was overlaid so that the antenna material 2m was on the upper surface, and supplied to the flat antenna extraction mold 20 used in Example 1. However, no heat source was used.
- a black colored thermal paper (made by Ricoh Co., Ltd.) having a width of 120 mm is laminated on the upper surfaces of the antenna 2 and the IC chip 3 through the adhesive layer 5 having a thickness of 30 am, and the surface protective sheet 4 is obtained. did.
- the IC tag label unit having a width of 40 mm and a length of 100 mm is punched up to the upper surface of the release paper 9 (up to the release surface 8) to cut the present invention.
- the non-contact IC tag label 1 connector was completed.
- the non-contact IC tag label 1 of Example 1 and Example 2 was tested using a UHF band reader / writer, and it was confirmed that reading and writing could be performed without any trouble. It was also confirmed that the non-contact IC tag label 1 of Example 2 could be printed and recorded on the surface protection sheet 4 with a thermal head.
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Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008542034A JP5169832B2 (ja) | 2006-11-01 | 2007-10-16 | 非接触icタグラベルとその製造方法 |
US12/447,986 US8162231B2 (en) | 2006-11-01 | 2007-10-16 | Noncontact IC tag label and method of manufacturing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006297252 | 2006-11-01 | ||
JP2006-297252 | 2006-11-01 |
Publications (1)
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WO2008053702A1 true WO2008053702A1 (en) | 2008-05-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/070143 WO2008053702A1 (en) | 2006-11-01 | 2007-10-16 | Non-contact ic tag label and method of producing the same |
Country Status (3)
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US (1) | US8162231B2 (ja) |
JP (1) | JP5169832B2 (ja) |
WO (1) | WO2008053702A1 (ja) |
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WO2015140731A1 (en) | 2014-03-18 | 2015-09-24 | 3D-Oxides | Deposition process based on stencil mask and application to the fabrication of tags supporting multi-functional traceable codes |
JP2019028351A (ja) * | 2017-08-01 | 2019-02-21 | 大日本印刷株式会社 | Rfidタグラベルシートおよびrfidタグラベル連続体 |
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Also Published As
Publication number | Publication date |
---|---|
JPWO2008053702A1 (ja) | 2010-02-25 |
US8162231B2 (en) | 2012-04-24 |
US20100051701A1 (en) | 2010-03-04 |
JP5169832B2 (ja) | 2013-03-27 |
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