JP4549765B2 - Non-contact data carrier with break detection function - Google Patents

Description

  The present invention relates to a non-contact type data carrier with a break detection function. Specifically, it incorporates an IC chip having a memory, communicates signals with an external circuit via an antenna circuit, and supplies energy from the external circuit. The present invention relates to a non-contact type data carrier with a rupture detection function, which is a non-contact type data carrier that receives a rupture, and forms a rupture detection unit using a breakable sensor as a rupture detection sensor.

In recent years, IC cards are becoming increasingly popular in terms of information confidentiality, and in recent years, contactless IC cards that exchange information without contacting a reader / writer have been proposed. A system in which signal exchange with an apparatus or signal exchange and power supply is performed by electromagnetic waves is being put into practical use.
Under these circumstances, various types of non-contact IC tags in the form of sheets or bills, in which ICs with data are connected to antenna coils, have recently been proposed and attached to products and packaging boxes to prevent shoplifting, logistics It has come to be used for systems and product management.
Recently, various data carrier systems using non-contact type IC tags that can handle a large amount of information and can be read remotely have been developed.

Such a non-contact type IC tag normally only detects the presence of an article or identifies an article, and does not capture changes in external factors.
In addition, for convenience and versatility, a non-contact type IC tag having a so-called seal form in which an adhesive layer is provided and attached to an article through the adhesive layer also appears. Yes.
The non-contact type IC tag adopting such a seal form is used by being affixed to various articles, but since the tag information of the affixed article itself is stored, the non-contact type once affixed There is a problem that if the IC tag is sometimes replaced with another article, incorrect tag information is recognized and the handling of the article is adversely affected.
JP 2001-167240 A

As described above, a non-contact type IC tag that is used by being attached to an article in a sealed form has come to be used, but there is a problem that the pasted non-contact type IC tag is peeled off from the article and misused. There was a need for this response.
The present invention corresponds to this, and is a non-contact type IC tag that is used by being affixed to an article in a sealed form, and when it is affixed to the article and then peeled off from the article, the trace remains. It is intended to provide a contact-type IC tag. Specifically, it incorporates an IC chip having a memory, communicates signals with an external circuit via an antenna circuit, and supplies energy from the external circuit. A non-contact type data carrier that receives a non-contact type data carrier with a rupture detection function that uses a breakable circuit as a rupture detection sensor to form a rupture detection unit. .

The non-contact type data carrier with a break detection function of the present invention has a built-in IC chip having a memory, communicates signals with an external circuit via an antenna circuit, and receives energy supply from the external circuit. A non-contact type data carrier with a break detection function, wherein the break detection unit is formed using a breakable sensor as a break detection sensor, and the breakable circuit is: Provided on one surface of the substrate, covered with an adhesive layer, and used by being attached to an article with the adhesive layer, and the easily breakable circuit is a metal together with the antenna circuit. Etching the foil, or metal plating so that it circulates around the outside of the antenna circuit, over the entire breakable circuit itself, cut or perforated all around, It is those with a breaking easily place over the circumference, the break detector, the provided circuitry frangible, electrically detecting the condition of the fracture there circuit of the easy break resistance, fracture there It is the thing which detects this.
Alternatively, the non-contact type data carrier with a break detection function of the present invention incorporates an IC chip having a memory, communicates signals with an external circuit via an antenna circuit, and receives energy supply from the external circuit. A non-contact type data carrier with a rupture detection function, wherein the rupture detection part is formed by using a contact type data carrier and an easily ruptureable circuit as a rupture detection sensor, Is provided on one surface of the substrate and covered with an adhesive layer, and is used by sticking to an article with the adhesive layer, and the easily breakable circuit is the entire circuit. It is formed of an easily breakable material in which silver particles or carbon particles are mixed in a resin, and is provided intermittently over the entire circumference along the easily breakable circuit on the base material side of the easily breakable circuit. All around the release layer It is provided with a portion that easily breaks, and the break detection unit includes the easily breakable circuit, and electrically detects the state of breakage of the easily breakable circuit to detect breakage. It is a thing characterized by performing.
Here, it is assumed that a unique ID (also referred to as a serial ID) that is an ID unique to the chip is written in the IC chip.
Also, here, “easy-breakable circuit” means that a circuit or element that functions as a non-contact type data carrier is maintained normally without being destroyed when it is affixed to an article and then peeled off from the article. And a circuit that only this circuit is destroyed.
Of course, when peeling off the easily peelable separate layer here, it is not destroyed.

And any one of the above non-contact type data carriers with a rupture detection function, the voltage generated by supplying energy from an external circuit as its voltage source, and whether or not the easily breakable circuit is broken And detecting the presence of breakage based on the voltage in the case of a breakage state, wherein the breakage detection unit is an IC chip of the non-contact data carrier. The internal nonvolatile memory unit for accumulating rupture information and the memory control circuit unit for controlling the writing and reading operations to the nonvolatile memory unit are configured as the components, and energy is supplied from an external circuit. Is used as a voltage source, the presence or absence of breakage of the easily breakable circuit is grasped by voltage, and the voltage in the case of breakage is written to the memory control circuit unit. As a signal for viewing indication, in the case of presence signal of the writing instruction, under the control of the memory control circuit unit, the nonvolatile memory unit, and is characterized in that in which writing breaking information fracture there.
  Also, any one of the above non-contact type data carriers with a rupture detection function, wherein an easily peelable separate layer is disposed on an adhesive material layer, and when used, the easily peelable separate layer is peeled off, The material layer is affixed to an article.
  In addition, any one of the above-described non-contact type data carriers with a break detection function, which is an IC tag.

  In addition, any one of the above-described non-contact type data carriers with a break detection function, which is an IC tag.

(Function)
The non-contact type data carrier with a break detection function of the present invention is a non-contact type IC tag that is used by being attached to an article in a sealed form by using such a configuration. When peeled off from an article, it is possible to provide a non-contact type IC tag in which the trace remains.
Specifically, the easily breakable circuit is provided on one surface of the base material and is covered with an adhesive layer, and is used by being attached to an article with the adhesive layer, and The easily breakable circuit is formed by etching the metal foil together with the antenna circuit or by wrapping around the outside of the antenna circuit by metal plating. , Incision or perforation, provided with a portion that is easy to break over the entire circumference, the break detection unit is provided with the easily breakable circuit, the break of the easily breakable circuit By detecting the presence state electrically and detecting the presence of breakage, or an easily breakable circuit is provided on one surface of the substrate and covered with an adhesive layer, It is used by sticking to an article with the adhesive layer, and The breakable circuit is formed of an easily breakable material in which silver particles or carbon particles are mixed in a resin, and the entire circuit is formed on the substrate side of the breakable circuit along the easily breakable circuit. It is provided on a peeling layer that is provided intermittently over the circumference, and has a portion that is easy to break over the entire circumference, and the break detection unit includes the easily breakable circuit, and the easy break This is achieved by electrically detecting the state of breakage of the sexual circuit and detecting the breakage .
As a break detection unit, a non-volatile memory unit for accumulating break information provided in an IC chip of a non-contact data carrier, and a memory control circuit unit for controlling writing and reading operations to the non-volatile memory unit, The voltage generated by the energy supply from the external circuit as the component is used as the voltage source, the presence / absence state of the breakable circuit is grasped by the voltage, and the voltage in the state with the break is stored in the memory. As a write instruction signal to the control circuit unit, in the case where the write instruction signal is present, under the control of the memory control circuit unit, the rupture information with a rupture is written into the nonvolatile memory unit in a specific form As an example.
Then, by providing an easily breakable circuit so as to go around the outside of the antenna circuit, the breakage is easily caused when peeling off, and a trace of breakage is surely left.
An easily peelable separate layer is disposed on the adhesive layer, and in use, the easily peelable separate layer is peeled off, and the adhesive layer is attached to the article with the adhesive layer.

Examples of the easily breakable circuit include those in which a portion that is easy to break is provided in advance in the wiring portion of the circuit, and those in which the entire circuit is formed of a easily breakable material.
As an easily breakable circuit, a portion that is easy to break is provided in advance in the wiring portion of the circuit. Specifically, a portion in which a cut is provided in a metal wiring portion such as Al or Cu, or a wiring portion. A circuit having a portion having a perforation may be mentioned.
Examples of the material that forms the entire circuit with easy breakability include a material in which the easily breakable material uses a conductive resin layer in which silver particles or carbon particles are mixed in a resin such as epoxy. By disposing the whole on the release layer provided intermittently, it can be more easily broken and is effective as a break circuit.
This is particularly effective when the non-contact type data carrier with a break detection function is an IC tag.

Note that a unique ID (also referred to as a serial ID), which is an ID unique to the chip, is written on the IC chip, but it can be affixed to the article by grasping the unique ID of the IC chip that has been affixed to the article in advance. Even when the contact-type data carrier is not broken, it is possible to confirm the unique ID of the IC chip by an external circuit in a non-contact manner and confirm whether the non-contact data carrier is pasted or not. it can.
As described above, here, it is assumed that a unique ID (also referred to as a serial ID) that is an ID unique to the IC chip is written in the IC chip.

The present invention, as described above, is a non-contact type data carrier having an IC chip that is used by being affixed to an article in a sealed form. The remaining non-contact type data carrier can be provided. In particular, whether or not it has been peeled off from the article can be determined in a non-contact manner, thereby increasing the degree of freedom of use.
It can be used as a seal sticker for security purposes.
The unique ID of the IC chip of the non-contact type data carrier with a break detection function of the present invention is preliminarily recorded, so that the unique ID of the IC chip is confirmed in a non-contact manner by an external circuit, and the non-contact type data carrier Therefore, it is easy to use the non-contact type data carrier with a break detection function of the present invention by attaching it to an article by using this unique ID confirmation method together. In addition, it is possible to reliably determine whether or not the legitimate non-contact data carrier with a break detection function of the present invention has been maliciously peeled off from the article.

FIG. 1A is a plan view showing a schematic configuration of a first example of an embodiment of a non-contact type data carrier with a break detection function according to the present invention. FIG. 1 (b) is a view showing a part of the A1-A2 cross section of FIG. 1 (a), and FIG. 1 (c) shows a normal state in which the portion of FIG. 1 (b) is attached to the article. FIG. 2 is a schematic circuit configuration diagram for explaining a rupture detection unit of a non-contact type data carrier with a rupture detection function of the first example shown in FIG. 1, and FIG. FIG. 4 is a plan view showing a schematic configuration of a second example of the embodiment of the contact type data carrier, and FIG. 4 is a diagram of a third example of the embodiment of the non-contact type data carrier with break detection function of the present invention. FIG. 5 (a) is a plan view showing a schematic configuration, and FIG. FIG. 5B is a plan view showing a schematic configuration of a fourth example, FIG. 5B is a diagram showing a part of the C1-C2 cross section of FIG. 5A, and FIG. 5C is FIG. It is the figure which showed the normal state which the part of was affixed on the articles | goods.
1 to 5, 100 is a non-contact type IC tag (with a break detection function), 110 is a base material, 111 is an outer shape of the base material, 120 is a coil (also referred to as an antenna coil or an antenna circuit), 125 is a caulking connection part, 130 is an IC chip, 131 is an analog circuit, 132 is an IC tag control circuit, 133 is a non-volatile memory, 134 is a memory control circuit, 136 is a resistor, 140 and 141 are easily breakable circuits, 142 is Peeling layer, 145 is cut, 146 is a perforation, 150 is an adhesive layer, 160 is a surface material, 170 is an adhesive layer, 180 is a separate layer, 190 is an article, and 200 is a breakage detector.

First, a first example of an embodiment of a non-contact type data carrier with a break detection function according to the present invention will be described with reference to FIG.
The non-contact type data carrier with a break detection function of the first example incorporates an IC chip 130 having a memory, and communicates with a reader / writer (external circuit) (not shown) via a coil (antenna circuit) 120. A non-contact IC tag that performs communication and receives energy supply from a reader / writer, and an easily breakable circuit 140 provided with a plurality of cuts 145 over the entire wiring layer made of conductive metal is used as a break detection sensor. This is a non-contact type IC tag 100 with a rupture detection function, which is used to form a rupture detection unit (200 in FIG. 2).
The easily breakable circuit 140 is provided with a portion where the wiring portion is partially cut as a portion that is easily broken, and is provided on one surface of the base material 110. It is covered and takes the form of a seal used by sticking the whole to the article with the adhesive layer 170.
As shown in FIG. 1 (b), the state before application is such that an easily peelable separate layer 180 is disposed on the adhesive material layer 170, and when used, as shown in FIG. The separate layer 180 is peeled off, and the adhesive layer 170 is attached to the article 190.
In this example, the easiness of breaking can be controlled by the wiring width of the easily breakable circuit and the shape of the cut.

As shown in FIG. 2, the break detection unit 200 of the non-contact type IC tag 100 with the break detection function of the first example includes an easily breakable circuit 140 and the inside of the IC chip 130 of the non-contact type IC tag 100. The non-volatile memory unit 133 for accumulating rupture information and the memory control circuit unit 134 for controlling the writing and reading operations to the non-volatile memory unit, which are provided in the configuration, are used as the constituent units, and energy is supplied from the reader / writer. Functions as a voltage source, grasps whether or not the breakable circuit 140 is broken by voltage, and writes the voltage in the broken state to the memory control circuit unit 134. As an instruction signal, when there is a write instruction signal, under the control of the memory control circuit section 134, the break information with a break is written into the nonvolatile memory section 133. A.
In the circuit configuration shown in FIG. 2, when the write instruction signal operates effectively at the voltage Vdd and the easily breakable circuit 140 is not broken, the resistance value of the circuit is very small. The voltage applied to the input terminal of the write instruction signal is Vss, no writing is performed, and when the breakable circuit 140 is broken, the resistance value of the circuit becomes very large, and the write instruction signal The input voltage to the write terminal is Vdd, and writing is performed.

In the non-contact type IC tag 100 with a break detection function of this example, as shown in FIG. 1 (c), only the easily breakable circuit 140 is broken when it is affixed to the article 190 and then peeled off. The circuit and elements that function as a non-contact type data carrier are not destroyed and are maintained normally, so that the break information with a break can be read out in a non-contact manner by a reader / writer, corresponding to the article. It can be determined whether the IC tag is a legitimate IC tag attached.
Further, as described above, since a unique ID (also referred to as a serial ID) that is a unique ID of the chip is written in the IC chip 130, the IC of the non-contact type IC tag 100 that is pasted on the article 190 in advance. If the unique ID of the chip 130 is changed, even if a completely different one is attached to the article 190 and the break of the easily breakable circuit cannot be confirmed, it is attached to the article 190 in a non-contact manner. By using together the confirmation of the unique ID of the IC chip of the IC tag, it can be surely confirmed whether the IC tag attached to the article is a legitimate IC tag.
In this example, the easily breakable circuit 140 is provided so as to circulate around the outside of the antenna coil 120, so that when it is peeled off after being affixed to an article, the breakage is surely ensured. Yes.

In this example, the antenna coil 120 is caulked and connected by the caulking connection part 125, but is not limited thereto.
Even with a method of providing a through hole in a base material and arranging a conductive material in the through hole to form a front / back conductive portion or filling and connecting, or a method of connecting by providing a jumping wiring straddling the antenna coil 120 Good.
In the case of this example, the IC chip 130 is flip-connected to terminal portions of the antenna coil 120 that are connected to both ends of the antenna coil 120 via an insulating material. However, the present invention is not limited to this.

Examples of the material of the base material 110 include PET (polyethylene terephthalate), polypropylene (PP), polyethylene (PE), ABS, styrene, polyimide, glass epoxy, PETG, polycarbonate, paper, PVC, or acrylic. Heat resistant and chemical resistant PET (polyethylene terephthalate) or polyimide is preferable. The thickness of the substrate 110 is usually 25 μm to 200 μm.
Further, as the antenna coil 120, a metal foil made of Cu, Al or the like is etched or metal plated.
The thicknesses of the Cu pattern and the Al pattern are preferably 10 to 50 μm and 15 to 50 μm, respectively, from the electrical characteristics.
In this example, the easily breakable circuit 140 uses the same material as the antenna coil 120 and is formed together with the formation of the antenna coil 120. However, the easily breakable circuit 140 is not limited to this as long as it easily breaks from the notch 145.
Further, the IC chip 130 is generally used having a size of 1.0 mm × 0.9 mm square and a thickness of about 150 μm.
Examples of the adhesive layer 150 include general acrylic resins, natural and synthetic rubbers, styrene / butadiene copolymers, polyvinyl acetate, vinyl acetate / ethylene copolymers, starch, silicone compounds, glue, casein, and polyvinyl alcohol. , Polyurethane or other resins used alone or in the form of solutions, aqueous solutions, emulsions, or synthetic rubbers such as natural rubber, modified natural rubber, styrene-butadiene rubber, acrylonitrile-butadiene rubber as the base polymer for the adhesive, ethylene -What uses vinyl acetate copolymer resin, acrylic ester resin, vinyl chloride resin, vinylidene chloride resin etc. in the form of a solution or an emulsion is mentioned.
Examples of the surface material 160 include paper, synthetic paper, and plastic films (PET (polyethylene terephthalate), polypropylene (PP), polyethylene (PE), PVC, and the like).
As the pressure-sensitive adhesive forming the pressure-sensitive adhesive layer 170, for example, various pressure-sensitive adhesives such as acrylic, rubber, polyester, and silicone can be used.
The thickness of the pressure-sensitive adhesive layer needs to be thick enough to sufficiently protect the internal components including the IC chip 1, and is usually preferably in the range of 1 to 1000 μm, more preferably in the range of 200 to 500 μm.
Although there is no restriction | limiting in particular as the material of the separator 180, The release paper etc. which coated the surface of the paper about 10-300 micrometers thick with silicone resin, a fluororesin, etc. as a release agent are cheap and can be used conveniently.

Next, a second example of the embodiment of the non-contact type data carrier with break detection function of the present invention will be described with reference to FIG.
The non-contact type data carrier with a break detecting function of the second example is provided with a cut in place of the easily breakable circuit 140 in which the notch 145 is provided and the wiring is partially broken easily in the first example. Although not perforated, the wiring is partially made easily breakable.
In this example, the ease of breaking can be controlled by the wiring width of the easily breakable circuit and the width and shape of the perforation.
Also in this example, the same metal layer as in the first example is used as an easily breakable circuit wiring.
The non-contact type IC tag with a break detection function of this example is basically the same as the first example in the operation of checking whether or not there is a break and the circuit operation of the easily breakable circuit, and will not be described here.

Next, a third example of the embodiment of the non-contact type data carrier with a break detection function of the present invention will be described with reference to FIG.
The non-contact type data carrier with a break detecting function of the third example is replaced with the easily breakable circuit 140 in which the notch 145 is provided and the wiring is partially easily broken in the first example. An easily breakable circuit 141 is provided which is made entirely of material and easily breakable.
Examples of the material of the easily breakable circuit 141 include, but are not limited to, a conductive resin layer in which silver particles or carbon particles are mixed in a resin such as epoxy.
Each part other than the easily breakable circuit is the same as in the first example.
In the case of this example, as in the first example, the operation for confirming the presence or absence of breakage and the circuit operation of the easily breakable circuit are basically the same as in the case of the first example, and the description is omitted here.

Next, a fourth example of the embodiment of the non-contact type data carrier with a break detection function of the present invention will be described with reference to FIG.
In the third example, the non-contact type data carrier with a break detection function of the fourth example is further provided with the release layer 142 intermittently provided on the base 110 side of the entire easily breakable circuit 141. If it is peeled off from the article after being affixed to the article (see FIG. 5A), the breakage is more reliably performed than in the third example.
As the release layer 142, a Si-based material can be used.
In the case of this example, as in the first example, the operation for confirming the presence or absence of breakage and the circuit operation of the easily breakable circuit are basically the same as in the case of the first example, and the description is omitted here.
In the case of this example, as shown in FIG. 5 (b), the state before sticking is such that an easily peelable separate layer 180 is disposed on the adhesive material layer 170, and the easily peelable separate layer 180 is disposed at the time of use. When peeled off and adhered to the article 190 with the adhesive material layer 170 and peeled off maliciously, the easily breakable circuit 141 is broken at the place of the release layer 142 as shown in FIG. The

In any of the first to fourth examples, the break detection unit 200 accumulates break information provided in the easily breakable circuit 140 (141) and the IC chip inside 130 of the non-contact data carrier. And a memory control circuit unit 134 for controlling the writing and reading operations to the nonvolatile memory unit 133 as its constituent parts, by supplying energy from a reader / writer (not shown) The generated voltage is used as the voltage source, the presence / absence of breakage of the easily breakable circuit 140 is grasped by voltage, and the voltage in the breakable state is used as a signal for instructing writing to the memory control circuit unit 134. When there is a signal for the write instruction, under the control of the memory control circuit unit 134, the rupture information with rupture is written into the nonvolatile memory unit 133. That is, but not limited to this configuration.
For example, the voltage in the state with a break may be grasped by another circuit and written to the nonvolatile memory.
In some cases, a signal with breakage may be obtained from the voltage in the state with breakage without writing to the memory.

FIG. 1A is a plan view showing a schematic configuration of a first example of an embodiment of a non-contact type data carrier with a break detection function of the present invention, and FIG. 1B is a plan view of FIG. FIG. 1C is a diagram showing a part of the A1-A2 cross section, and FIG. 1C is a diagram showing a normal state where the part of FIG. It is a schematic circuit block diagram for demonstrating the break detection part of the non-contact-type data carrier with a break detection function of the 1st example shown in FIG. It is the top view which showed schematic structure of the 2nd example of embodiment of the non-contact-type data carrier with a break detection function of this invention. It is the top view which showed schematic structure of the 3rd example of embodiment of the non-contact-type data carrier with a break detection function of this invention. FIG. 5A is a plan view showing a schematic configuration of a fourth example of the embodiment of the non-contact type data carrier with break detection function of the present invention, and FIG. 5B is a plan view of FIG. It is the figure which showed a part of C1-C2 cross section.

Explanation of symbols

100 Non-contact type IC tag 110 (with break detection function) 110 Base material 111 External shape 120 of base material Coil (also referred to as antenna coil or antenna circuit)
125 Caulking connection part 130 IC chip 131 Analog circuit 132 IC tag control circuit 133 Non-volatile memory 134 Memory control circuit 136 Resistance 140, 141 Easily breakable circuit 142 Release layer 145 Cut 146 Perforation 150 Adhesive layer 160 Surface material 170 Adhesive Layer 180 Separate layer 190 Article 200 Break detection part

Claims (6)

Built-in IC chip with memory, communicates with external circuit via antenna circuit, and is a non-contact type data carrier that receives energy supply from external circuit, and detects breakable circuit easily A non-contact type data carrier with a break detecting function, which is used as a sensor to form a break detecting unit, and the easily breakable circuit is provided on one surface of a substrate and covered with an adhesive layer. The easily tearable circuit is used by etching a metal foil together with the antenna circuit, or by metal plating of the antenna circuit. It is formed so as to circulate on the outside, and the easily breakable circuit itself is provided with a portion that is easy to break over the entire circumference by arranging notches or perforations over the entire circumference, Rupture With a break detecting function characterized in that the protruding portion includes the easily breakable circuit, electrically detects the breakable state of the easily breakable circuit, and detects the breakage Non-contact data carrier. Built-in IC chip with memory, communicates with external circuit via antenna circuit, and is a non-contact type data carrier that receives energy supply from external circuit, and detects breakable circuit easily A non-contact type data carrier with a break detecting function, which is used as a sensor to form a break detecting unit, and the easily breakable circuit is provided on one surface of a substrate and covered with an adhesive layer. The easy-to-break circuit is formed by using an easily-breakable material in which silver particles or carbon particles are mixed into a resin. A portion that is disposed on the release layer provided intermittently over the entire circumference along the easily breakable circuit on the base material side of the easily breakable circuit, and is easy to break over the entire circumference. are those having a said fracture detection unit, the Non-contact type data carrier with a break detection function, comprising a breakable circuit, electrically detecting a breakable state of the easily breakable circuit and detecting the breakage . The non-contact type data carrier with a break detection function according to any one of claims 1 to 2 , wherein a voltage generated by energy supply from an external circuit is used as the voltage source, and the easily breakable data carrier. A non-contact type data carrier with a break detection function, characterized in that the presence / absence of a circuit breakage is grasped by a voltage and the breakage is detected based on the voltage in a breakage present state. 4. A non-contact type data carrier with a break detection function according to claim 3 , wherein the break detection unit is provided in an IC chip of the non-contact data carrier, and stores a break information. And a memory control circuit unit for controlling writing and reading operations to the nonvolatile memory unit, and a voltage generated by energy supply from an external circuit is used as the voltage source. The presence / absence of the circuit breakage is grasped by voltage, and the voltage in the state of breakage is used as a write instruction signal to the memory control circuit part. When the write instruction signal is present, the memory control circuit part is controlled. A non-contact type data carrier with a break detection function, wherein break information with a break is written in a nonvolatile memory section.   The non-contact type data carrier with a break detection function according to any one of claims 1 to 4, wherein an easily peelable separate layer is disposed on an adhesive layer, and the easily peelable data carrier is used at the time of use. A non-contact type data carrier with a breakage detection function, wherein a separate layer is peeled off and affixed to an article with the adhesive layer. 6. A non-contact type data carrier with a break detection function according to claim 1, wherein the non-contact type data carrier has a break detection function.