JP4811561B2 - Non-contactable IC tag that can be disabled - Google Patents

Description

The present invention relates to an invalidable non-contact IC tag. Specifically, after a predetermined writing or reading process is completed on a non-contact IC tag, a non-contact IC capable of disabling the non-contact communication function of the IC tag to make it impossible for others to read. Regarding tags.
The non-contact IC tag of the present invention is used as an ordinary non-contact IC tag, and can be suitably used particularly for the purpose of protecting personal information and managing confidential information.
The technical field of the present invention relates to the manufacture and use of contactless IC tags, and the main fields of use are the fields of transportation, distribution, sales management, factory process management, product delivery and baggage handling. Is a tag, label, slip, ticket.

Non-contact IC tags record and hold information and can exchange information by communicating with external devices in a non-contact manner, so that they can be used as recognition media in transportation and logistics, or as identification media such as product quality control and inventory management. Thus, it has come to be widely used for various purposes.
However, since the information stored in the non-contact type IC tag is stored in the memory of the IC chip, there is no method for effectively preventing the third party from intentionally reading the information. In particular, since non-contact reading is performed without the user being aware of it, it is impossible to know the process, and the harmful effects of the leaked information being abused will be great. If such a situation is left unattended, it becomes a serious social problem from the viewpoint of personal information protection and privacy infringement.

  Therefore, when the sale of the product with the non-contact IC tag is finished and the purpose is reached, the non-contact IC tag is peeled off from the product or the function of the non-contact IC tag is destroyed. It is being considered. Known destruction methods include breaking the IC chip and cutting the antenna. In this case, since the function of the non-contact IC tag does not remain in the product, there is no risk that the purchaser of the product reads the information.

However, non-contact IC tags not only have information recording in a memory and a non-contact communication function, but recent non-contact IC tags are also increasing in number that have information that can be visually identified. . In this case, if the IC tag is peeled off and disposed of at the time of sale, there is a problem that the viewing angle identification information recorded at the corner is not used effectively afterwards and is wasted.
In addition, when the IC chip is destroyed, there is a problem from the viewpoint of resource reuse.

  As a prior art of a structure that destroys the function of a non-contact IC tag, there are Patent Document 1 and Patent Document 2, but the purpose, application, and configuration are different from those of the present application. On the other hand, there are Patent Documents 3 and 4 as prior arts for validating the IC card by breaking off from the broken part, but this is different from the invalidation technique as in the present application. Moreover, it does not accompany the information read visually or optically like this application. Moreover, as a label that uses a barcode together with a non-contact IC tag, there is Patent Document 5, but it is not directly related to the present invention.

JP 2001-14442 A Utility Model Registration No. 3105286 Japanese Patent Laid-Open No. 11-78323 JP 2000-182015 A JP 2002-123805 A

  The prior art does not propose a form that can easily invalidate a non-contact IC tag. Accordingly, the present invention firstly relates to a technology that makes it possible to easily disable reading of a non-contact IC tag, and secondly, some useful visual information that can be visually confirmed at the same time that reading is disabled will be described later. Has been completed through research into making it reusable.

The gist of the present invention that solves the above problems is that an IC chip including a contactless communication function unit, a control unit, and a memory is coupled to a coiled antenna pattern formed on a base film, and the antenna pattern of the base film and the IC chip are combined. a non-contact IC tag having a coating structure with a plastic film or paper substrate, cutting unit to traverse at least a portion of said antenna pattern is formed so as to penetrate the base film and the plastic film or paper substrate and, on the plastic film or paper substrate surface of the optical readable code is provided in a shape straddle the cutting portion, the non-contact IC tag by the cutting unit, small including the IC chip pieces When not include the IC chip, divided into two pieces of large pieces of displaying information for guiding the customer, the Even after the non-contact IC tag is divided into two pieces by the cut portion and the reading of the non-contact IC tag is invalidated, it is common from the optically readable code of both non-contact IC tag pieces after being cut by the cut portion. The non-contactable IC tag that can be disabled is characterized in that the code information can be read.

In the above, the IC chip is mounted on the outside of the outer shape of the coiled antenna pattern, and the cutting portion is configured to divide the IC tag into two pieces across the protruding portion of the coil wire. The optically readable code is a barcode, and one barcode is printed on both sides so as to straddle the cut portion. The optically readable code is an OCR character or magnetic Ink characters may be printed in parallel on both sides of the cut portion.
In this case, for example, common barcode information can be read from both divided IC tag pieces.

It is also possible that the cut portion is formed in a broken line shape, and the cut portion becomes a connection portion in a portion straddling the coil wire of the antenna pattern, so that the antenna pattern is not damaged before division. In the case of the configuration described above, the antenna pattern is not cut or not completely cut before the division, so that there is no problem of impairing the communication function.

Since the disabling non-contact IC tag according to claim 1 has a broken-line-shaped cut portion that is easily divided across at least a part of the antenna pattern formed on the base film, sales of products, etc. When the non-contact IC tag achieves a certain purpose, the IC tag can be easily invalidated by dividing the IC tag from the cutting portion.
In the non-contactable non-contact IC tag according to claim 2, since the barcode or other optically readable code is provided so as to straddle the broken-line-shaped cut portion, both after being cut by the cut portion The code information can be read from the non-contact IC tag piece.
Therefore, for example, barcode information can be read from one side piece of an IC tag without an IC chip.

  The present invention relates to the non-contactable non-contact IC tag as described above. Hereinafter, the present invention will be described with reference to the drawings. FIG. 1 is a view showing an example of a non-contactable IC tag that can be invalidated according to the present invention, FIG. 2 is a plan view showing another example, and FIG. 3 is an example in which the non-contactable non-contact IC tag has a barcode. FIG. 4 is a plan view showing an example having another optically readable code, and FIG. 5 is a diagram showing a broken line-shaped cutting portion.

1A and 1B are diagrams illustrating an example of a non-contactable IC tag that can be disabled according to the present invention. FIG. 1A is a plan view, and FIG. 1B is an enlarged view of a line AA in FIG. It is sectional drawing. In FIG. 1A, the antenna pattern 2, the IC chip 3 and the like are not actually seen on the lower surface of the plastic film or the paper base material, but are seen through for easy understanding.
The invalidable non-contact IC tag 1 of the present invention has an antenna pattern 2 formed on a base film 11 as shown in FIG. 1A, and IC chips 3 are mounted on both ends 2a and 2b of the antenna pattern 2. . The antenna pattern 2 is coiled as shown in the figure.
In the figure, a member denoted by reference numeral 7 is a conduction circuit that guides one end of the coil to the end 2 a through the back surface of the base film 11. As usual, the IC chip 3 includes a non-contact communication function unit, a control unit, and a memory for storing information. The above configuration is the same as that of a normal non-contact IC tag.

The invalidable non-contact IC tag 1 of the present invention is characterized by including a broken-line-shaped cutting portion 6 that can divide the non-contact IC tag 1 after use. In the example of FIG. 1, the broken-line-shaped cutting portion 6 crosses all the coil wires of the antenna pattern 2.
If the non-contact IC tag 1 is cut off along the broken line-shaped cutting portion 6 and the pads of the IC chip 3 are not connected, non-contact communication becomes impossible. The divided IC tag is separated into a fragment 1a on the side where a part of the IC chip 3 and the antenna pattern 2 remains and a fragment 1b on which most of the antenna pattern 2 remains.

As shown in the cross-sectional view of FIG. 1B, the disabling non-contact IC tag 1 of the present invention has another adhesive pattern 5 on the surface of the antenna pattern 2 formed on the surface of the base film 11. A plastic film or paper substrate 4 is coated. This is because the antenna pattern 2 and the IC chip 3 are protected from being directly exposed to the outer surface. Although not shown, an adhesive layer for adhering the IC tag 1 to the adherend is provided on the surface of the base film 11 opposite to the antenna pattern 2 or on the coated surface of the plastic film or the paper base 4. You may have release paper.
The broken line-shaped cutting portion 6 is formed so that the cut portion 6c penetrates the base film 11 and the plastic film or the paper base material 4, but has a so-called perforation line that is connected in a broken line shape leaving the connection portion. It is.

  FIG. 2 is a plan view showing another example of the non-contactable non-contact IC tag of the present invention. Although a cross-sectional view is omitted, the base film 11 and a plastic film or a paper substrate are used as in FIG. In the case of FIG. 2, the broken line-shaped cutting portion 6 is configured to cross a part of the protruding portion of the coil wire of the antenna pattern 2. Even in this case, if the non-contact IC tag is divided from the broken-line-shaped cutting portion 6, non-contact communication is impossible as in the case of FIG.

  The non-contactable non-contact IC tag 1 has a bar code (or other optically readable code or the like) 8 as shown in FIG. The bar code 8 is printed on a plastic film covering the base film 11 or on the surface of the paper substrate 4, but is provided so as to straddle the broken cutting portion 6. Thus, by providing the barcode 8, when the non-contact IC tag 1 is divided from the cutting part 6, the information is commonly read and recognized by the barcode 8 remaining in both of the fragments 1a and 1b. Because it can.

  In many cases, the barcode 8 is printed on the antenna pattern 2, but the unevenness of the antenna pattern 2 is small and flattened by the plastic film or the paper base material 4, so that the printing is not hindered. A product item code or the like is recorded on the barcode 8, and information common to the product information or a part of the information is also recorded on the IC chip 3 of the non-contact IC tag 1. As such a bar code 8, a JAN code is usually used. For example, in apparel relations, product names and product numbers are encoded and recorded.

  When the bar code is JAN code, there are standard type and abbreviated type. Generally, country code (2 digits), manufacturer code (4-7 digits), item code (1-5 digits), check digit (1 Mark the digit). The narrow bar width of the basic dimensions is 0.33 mm, the entire barcode width is 37.29 mm, and the barcode height is 22.86 mm. It can be enlarged and reduced to 0.8 to 2.0 times the basic dimensions. Therefore, if the height of the basic barcode is 22.86 mm as described above, when it is divided at the center, a barcode with a length of 11.43 mm remains in both pieces, and information can be read from them. It becomes possible.

Instead of the barcode, OCR (Optical Character Recognition) characters or magnetic ink characters may be used.
FIG. 4 is a diagram illustrating an example having another optically readable code. In the case of OCR characters and magnetic ink characters, it is difficult to read the same information from two pieces obtained by dividing one row of characters from the cutting portion 6, and therefore the same character string C 1 on both sides of the cutting portion 6 as shown in FIG. , C2 is printed in two rows. In the case of the barcode 8, two rows may be recorded. However, from the viewpoint of increasing the reliability of information commonality, it is preferable to record one row of the barcode so as to cross the cutting portion 6.
The bar code may be an infrared reading bar code.

  The broken line-shaped cutting portion 6 is formed in a perforated line shape by a rotating or pressing blade shape, but the perforated line is formed so as not to completely cut the coil wire width or is formed so as to straddle the coil wire. FIG. 5 is a diagram showing a broken line-shaped cutting portion. FIG. 5A shows an example in which the line width of the coil is not cut completely, and FIG. 5B shows an example in which the coil line is formed across the coil wire. In the case of FIG. 5 (A), the broken-line-shaped cutting part 6 consists of the cut part 6c and the connection part 6s, but the length (L1) of the cut part 6c is less than one third of the coil wire width (W). The length of the connecting portion (L2) is set to be more than two thirds. For example, if the coil wire width (W1) of 1 is 0.6 mm and the line spacing (W2) is 0.4 mm, L1 is less than 0.2 mm and L2 is 0.4 mm or more. By doing so, there is no problem that the broken line-shaped cutting part 6 completely cuts the coil wire of the antenna pattern from the beginning. FIG. 5A shows a case where W1 is 0.6 mm, W2 is 0.2 mm, L1 is less than 0.2 mm, and L2 is 0.4 mm.

  In the case of FIG. 5B, the broken-line-shaped cutting part 6 has a designed blade shape, and becomes a connecting part 6s in a part straddling one coil line part of the antenna pattern 2 so as not to cut the coil wire. Has been. In a portion other than the coil wire, the cut portion 6c and the connection portion 6s are made continuous in a broken line as usual. If such a broken line leaves a mark for alignment when the antenna pattern 2 is formed, and the blade position is controlled in conjunction with the mark, the cutting part 6 can be provided. In this case, it is necessary to make a special blade shape, but there is an advantage that the broken-line-shaped cutting part 6 does not damage the antenna pattern at all before the cutting.

In the invalidateable non-contact IC tag of the present invention, it is preferable that a piece on one side of the non-contact IC tag to be divided has a size that is one third or less of the size of the original non-contact IC tag. . The larger piece on one side that has been split is usually delivered to the customer when the customer purchases the item. This is because it is necessary to increase information to guide the customer (for example, in the case of apparel, size, material, and washing method). Further, it is preferable that the IC chip 3 is left in the other small piece of the remaining piece on the selling side. This is because it can be used for IC chip reuse and data analysis.
When a customer purchases a product, he / she receives a large-sized fragment 1b. However, since the fragment 1b does not have a non-contact IC tag, product information or the like is not stolen. When the purchased product is defective and returned, the code of the product item or the like can be read from the bar code 8, so that the problem of receiving the return of the wrong product at the store side does not occur.

Next, the manufacturing method of the non-contactable non-contact IC tag of this invention is demonstrated.
First, the antenna pattern 2 is manufactured on the base film 11 by a process such as photoetching or printing. In the case of photoetching, a base material in which aluminum or copper foil is laminated on the base film 11 is used. The coil line width of the antenna pattern 2 is usually formed in the range of about 0.2 mm to 1.0 mm. Next, the IC chip 3 is joined to both ends of the antenna pattern 2. A covering material made of a plastic film or a paper substrate is laminated on the antenna pattern surface of the base film 11 to which the IC chip 3 is bonded.

  A broken line-shaped cutting portion 6 is formed using a blade shape. You may form the hole for attaching a non-contact IC tag to goods etc. with a string simultaneously. In order to enable clear printing of the bar code 8 or the like, the cut portion 6 is not left with an uneven shape or the like. Next, a predetermined barcode 8 and other visual information are printed on the covering material surface. If necessary, the release paper 8 is affixed to the surface of the base film 11 on the adherend side and pasted. The printing order of the cutting unit 6 and the bar code 8 may be reversed.

<Embodiment related to material>
(1) Base film A wide variety of plastic films can be used, and the following single films or composite films thereof can be used.
Polyethylene terephthalate (PET), PET-G (terephthalic acid-cyclohexanedimethanol-ethylene glycol copolymer), polyvinyl chloride, vinyl chloride-vinyl acetate copolymer, polycarbonate, polyamide, polyimide, cellulose diacetate, cellulose triacetate, Polystyrene, ABS, polyacrylate, polypropylene, polyethylene, polyurethane, and the like.

(2) Surface substrate A wide variety of plastic films and paper substrates can be used. As the plastic film, those listed above can be used, and the following can be used as the paper substrate. When performing printer printing on the surface, paper substrates such as fine paper and coated paper are particularly preferable.
Fine paper, coated paper, kraft paper, glassine paper, synthetic paper, latex and melamine impregnated paper.

(3) Adhesive, pressure-sensitive adhesive In the present specification, the term adhesive refers to various types such as a solvent type, a polymerization type, an ultraviolet curable type, an emulsion type, and a heat-melt type. Shall be included. In either case, the purpose can be achieved by bonding the two materials.
Further, in the present specification, the term “adhesive” refers to an adhesive that keeps an intermediate tack state indefinitely without a significant increase in viscosity.
Various resin compositions such as natural rubber, nitrile rubber, epoxy resin, vinyl acetate emulsion, acrylic, acrylate copolymer, polyvinyl alcohol, phenol resin, etc. Material can be used.

Hereinafter, actual embodiments will be described using examples.
As a base film 11 of an IC tag, a substrate obtained by dry laminating a 25 μm thick aluminum foil on a 38 μm thick transparent biaxially stretched polyester film, and applying a photosensitive resist to the substrate, an antenna pattern as shown in FIG. A photomask having After the exposure and development, the inlet base film having the antenna pattern 2 was completed by photoetching. The antenna pattern 2 has an outer shape of 45 mm × 76 mm, the coil wire width is 0.8 mm, the coil spacing is 0.4 mm, and the number of turns is 6.

  An IC chip 3 having a planar size of 1.0 mm square and a thickness of 150 μm was attached to both ends of the antenna base of the inlet base film 11 by applying heat pressure in a face-down state. Next, the surface base material (coated paper) 4 having a thickness of 40 μm was hot-pressed through a polyester hot melt adhesive to complete the non-contact IC tag 1.

The cutting part 6 was formed so as to cross the entire coil wire by using a broken-line blade shape in which the length L1 of the cut part 6c was 0.25 mm and the length L2 of the connection part 6s was 0.55 mm. At the same time, two holes for stringing were formed. The broken line of the cutting part 6 is linearly provided at a position where the area of the remaining fragment 1a of the IC chip 3 is 23% of the total area of the IC tag as shown in FIG.
Next, a commodity item code or the like was printed on a barcode (13-digit standard type) using a barcode label printer.

Although the base material which consists of the same base film as Example 1 was used, an antenna pattern is antenna using the pattern from which a part of coil wire and IC chip 3 mounting part become a convex protrusion part like FIG. The pattern was formed by photoetching. The antenna pattern 2 has an outer shape of 45 mm × 76 mm, the coil wire width is 0.8 mm, the coil spacing is 0.4 mm, and the number of turns is 6.
The same IC chip as that of Example 1 was mounted on this under the same conditions, and a non-contact IC tag 1 was completed by hot pressing a surface substrate (coated paper) 4 having a thickness of 40 μm via a polyester hot melt adhesive. .

Using a blade shape designed so as to avoid the coil wire of the antenna pattern, a broken-line-shaped cut portion 6 was formed. The broken line of the cutting part 6 is linearly provided at a position where the remaining fragment 1a of the IC chip 3 is 20% of the entire area as shown in FIG. At the same time, two holes for stringing were formed.
Next, a commodity item code or the like was printed on a barcode (13-digit standard type) using a barcode label printer.

  Although the use test of the non-contact IC tag 1 of Example 1 and Example 2 was performed, communication with the reader / writer was possible without any trouble. Further, it was confirmed that the IC tag communication function was lost by dividing the IC tag from the broken portion 6 in a broken line shape after reading. It was also confirmed that the barcode 8 can be read from both of the fragments 1a and 1b after the fragmentation.

It is a figure which shows the example of the non-contactable IC tag which can be invalidated of this invention. It is a top view which shows the other example. It is a top view which shows the example in which the non-contactable non-contact IC tag has a barcode. It is a figure which shows the example which has another optically readable code | cord | chord. It is a figure which shows the cutting part of a broken line shape.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Non-contactable non-contact IC tag 2 Antenna pattern 3 IC chip 4 Plastic film or paper base material 5 Adhesive layer 6 Broken-line cutting part 7 Conduction circuit 8 Bar code 11 Base film

Claims (5)

A structure in which an IC chip including a contactless communication function unit, a control unit, and a memory is coupled to a coiled antenna pattern formed on a base film, and the antenna pattern of the base film and the IC chip are covered with a plastic film or a paper base material a non-contact IC tag having,
A cutting portion that crosses at least a part of the antenna pattern is formed to penetrate the base film and the plastic film or paper substrate, and an optically readable code is provided on the surface of the plastic film or paper substrate. It is provided in a shape straddling the cutting part, and the cutting part makes the non-contact IC tag a small piece including the IC chip and a large piece not including the IC chip and displaying information for guiding the customer. Even if the non-contact IC tag is divided into two pieces by the cut portion and the reading of the non-contact IC tag is invalidated by the cut portion, the optical of both non-contact IC tag pieces after being cut by the cut portion A disabling non-contact IC tag, wherein common code information can be read from a readable code.   2. The IC chip is mounted on the outside of the outer shape of the coiled antenna pattern, and the cutting part is configured to divide the IC tag into two pieces across the protruding part of the coil wire. Non-contactable IC tag that can be disabled.   The non-contactable non-contact according to claim 1 or 2, wherein the optically readable code is a bar code, and one bar code is printed on both sides of the bar so as to straddle the cut portion. IC tag.   3. The invalidation according to claim 1, wherein the optically readable code is an OCR character or a magnetic ink character, and the same character string is printed in parallel on both sides of the cut portion. Non-contact IC tag. Cutting unit consists broken-line becomes a connecting portion at a portion across the coil wire of the cutting portion is an antenna pattern according to claim 4 before dividing the claims 1, characterized in that it is not to damage the antenna pattern The non-contactable IC tag which can be invalidated as described in any one of these .

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