JP3307064B2 - Sign panel material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided on documents such as securities such as cards, passbooks, cash vouchers, and certificates, identification documents such as ID cards, and documents having a signature field for certifying the identity of the user. The present invention relates to a sign panel material formed as a signature field, and particularly to a sign panel material having a magnetic pattern including data for authenticity determination.

[0002]

2. Description of the Related Art Cards, such as credit cards, which have become widespread in recent years, have been widely used as a means having safety and convenience that there is no need to carry cash because there is no cash payment. When using the card, it is necessary to determine whether the card is valid and whether the user is valid (authorized card holder). In order to exploit the convenience of this card, especially for the legitimacy of the former card, that is, for fraudulent acts such as forgery, falsification, tampering, etc., a high coercive force magnetic recording and magnetic shield are adopted for magnetic recording; Form readable marks (special wavelength light reading, magnetic reading); the card itself distinguishes illegal acts by forming marks with holograms and special inks.
The validity of the latter cardholder is confirmed by collation of a personal identification number and a signature field (a signature described on a signature panel).

[0003] In order to prevent fraudulent acts such as forgery, falsification and falsification of the former card, and unauthorized use thereof, for example, a stainless steel fiber is randomly added to a check document as disclosed in JP-T-63-501250. There is a technique of distributing and checking this with a microwave.
In this method, a microwave is incident on fine stainless fibers randomly distributed in a document, and a digital mark, in which a response microwave flux is determined by a certain rule, is recorded on the document. When the authenticity of the document is determined, a microwave is incident on the document, and a digital mark determined according to the response microwave flux is compared with the above-mentioned digital mark. If the two match, it is determined to be authentic.

[0004] In addition, confirming the latter user is necessary in order to detect unauthorized use by a third party who has illegally acquired the card and prevent it, even if the card is genuine. It is. Therefore, at present, a signature panel for signature is provided on the back side of the card, and the name of the card owner is signed by hand on this signature panel. Further, the sign panel is attached to the card surface with an adhesive or the like. However, some unauthorized users should erase the signature of the authorized owner of this sign panel, peel off the sign panel itself from the card, paste another similar as a sign panel and sign a different signature May impersonate the owner and use the card illegally. At present, the authenticity and signature of the sign panel are checked by human eyes, so it is difficult to detect elaborate forgery, falsification, tampering, etc., especially since the signature verification is performed by the sign panel. If is illegal, it is difficult to discover it at the time of use. Therefore, in order to erase the signature of the legitimate owner of the former signature panel, Japanese Patent Application No. Hei.
No. 9756 (see Japanese Patent Application Laid-Open No. 4-128086) proposes a sign panel which makes it difficult to erase a signature.

[0005]

However, the above-mentioned checking means using microwaves involves distributing conductive stainless steel fibers over the entire card (for example, a plastic card), and the check area where microwaves are incident. Other than that, the conductive stainless fiber is wasted, and since such a card is special, it is necessary to produce a special card, which tends to increase the cost. Further, when applied to a magnetic card, it may affect the magnetic characteristics of the card and may hinder reading of magnetic recording. In response to this problem, the present applicant has filed Japanese Patent Application
No. 346,982, Japanese Patent Application No. 4-346983,
A card having a sign panel formed by a method in which conductive stainless fibers are mixed with paper fibers in a sign panel or a method in which conductive stainless fibers are dispersed in a paper surface has been proposed. According to this, by forming a sign panel, there is an advantage that it can be dealt with only by changing a part of the card production process.

However, it is difficult to process the fine conductive stainless fiber into a fiber by cutting or the like.
In addition, there is a problem that coagulation occurs at the time of encapsulation, it easily becomes lump, and it is difficult to disperse. In addition, a fine conductive stainless fiber of about 8 μm has difficulty in controlling microwaves in the gigahertz band used for reading, is susceptible to external noise, and has a poor SN ratio, resulting in a large reading error. Therefore, it is difficult to determine the identity based on the correlation approximation between the read data and the digital mark described above, so that there is a problem in practicality. In addition, there is a problem that a microwave transmitting / receiving device becomes large and complicated.

Therefore, the present invention can easily identify fraudulent acts such as forgery, falsification, and tampering, and can be formed without using a special object such as a card. An object of the present invention is to provide a sign panel material which has no influence, is easy to read, and has excellent concealment.

[0008]

Means for Solving the Problems The present invention has been made in order to achieve the above object. According to the present invention, there is provided a sign panel material used as a signature field, comprising a sign panel base material having a writing surface. And a concealing layer laminated on the surface opposite to the writing surface, wherein a magnetic pattern is formed on the concealing layer.

According to a second aspect of the present invention, in the sign panel material according to the first aspect, the magnetic material forming the magnetic pattern is a soft magnetic material having a coercive force of 60 Oe or less.

According to a third aspect of the present invention, in the sign panel material according to the first aspect, the magnetic pattern is formed by magnetic printing randomly arranged on the concealing layer.

According to a fourth aspect of the present invention, in the sign panel material according to the first aspect, the concealing layer is made of a non-magnetic metal thin film.

According to a fifth aspect of the present invention, in the sign panel material according to the first aspect, the concealing layer is formed of a concealing coating film containing, as a main component, a concealing material selected from a coloring pigment, a metal powder, and a metal compound powder. It is characterized by becoming.

According to a sixth aspect of the present invention, in the sign panel material according to the first aspect, an adhesive layer is formed on the concealing layer and the magnetic pattern.

According to a seventh aspect of the present invention, in the sign panel material according to the first aspect, the sign panel base is made of a paper material.

According to an eighth aspect of the present invention, in the sign panel material according to the first aspect, a writing ink absorbing layer having oil absorbency and water absorbency is formed on a writing surface of the sign panel base material. And

[0016]

According to the present invention, a concealing layer is formed on a surface opposite to a writing surface of a sign panel substrate, and a magnetic pattern is formed on the concealing layer, whereby information or random information is used as identification or unique information. Can be kept invisible,
In addition, a response output by the magnetic sensor is obtained, and the signal processing of the output waveform makes it possible to determine the authenticity of the sign panel or the card on which the sign panel is formed.

Further, by using the sign panel of the present invention as a sign panel base material having concealing properties, the sign panel can be made thinner and the magnetic read output can be improved.

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 1 is a plan view of a sign panel of the present invention, FIG. 2 is a cross-sectional view taken along line XX of the sign panel of FIG. 1, and FIG. 3 is a cross-sectional view of a sign panel of another embodiment. 4 is a cross-sectional view of a sign panel of another embodiment, FIG. 5 is a plan view of a card in which the sign panel of the present invention is formed on a card base, and FIG. 6 is a plan view of the sign panel of the present invention on a card base. It is a top view of the formed card.

A sign panel 1 having a writing surface 10 as shown in FIG. 1 has a concealing layer 3 laminated on a sign panel substrate 2 as shown in the cross-sectional view of FIG. Are formed. The sign panel 6 shown in FIG. 2 has an adhesive layer 5 on the concealing layer 3 and the magnetic pattern 4.
Is provided.

The sign panel substrate 2 is mainly made of a paper material (for example, 45 kg of high-quality paper / 1000 sheets of 46-size paper, 32 g /
m ² ), plastic film (for example, white layer thickness 3
2 μm) is used, and paper materials are particularly easy to absorb and fix ink on writing instruments such as fountain pens, ballpoint pens, and felt-tip pens, and fraudulent acts such as forgery, falsification, and falsification are easily found. In the sign panel substrate 1, a signature surface such as talc, silica, clay, calcium carbonate, barium sulfate, titanium oxide, and a pigment such as a synthetic resin are used when the emphasis is placed on oil absorption and water absorption. It is preferable to provide a writing ink absorbing layer dispersed in a polymer material.

It is to be noted that a pattern showing a change in alcohols, solvents, bleaching agents and surfactants may be formed on the writing surface. According to this, printed patterns showing changes in solvents such as alcohols, methyl ethyl ketone, toluene, gasoline, and thinners, and surfactants (hereinafter abbreviated as drugs) such as bleaching agents and detergents are formed. If the signature on the signature panel is erased and then falsified such that a false signature is written, the true signature is erased using chemicals, etc., and at the same time, the printed picture will dissolve, swell, hue fading, discoloration, etc. In order to show any change, it is possible to immediately detect tampering.

The concealing layer 3 is provided so that the presence and hue of the magnetic pattern 3 cannot be seen from the sign panel substrate 2 side, and has a concealing property and affects the magnetic reading of the magnetic pattern. It is necessary to be a non-magnetic material that does not give the following. For example, a non-magnetic metal such as aluminum, tin, or copper can be provided as a metal thin film by a physical vapor deposition method such as a normal vacuum evaporation method or sputtering, or a chemical vapor deposition method such as a CVD method. Further, a coating liquid in which flaky metal powder such as aluminum, permalloy, or brass is dispersed in a polymer material (binder) such as a synthetic resin can be provided as a coating film by a known coating / printing means. These metals may be metal compounds such as oxides, nitrides and carbides.

Further, a coating liquid in which a opaque pigment having high whiteness such as zinc sulfide, titanium oxide or barium sulfate or a opaque pigment having a dark hue of black or brownish color such as iron oxide is similarly dispersed in a binder. Can be provided as a coating film by known coating and printing means. Concealment layer 3
Satisfies the above-mentioned conditions without being limited to the above-mentioned materials, and can be used as long as it can be formed on the sign panel substrate 2.

The magnetic pattern 4 gives information unique to the sign panel itself, and is in the form of a bar pattern, a pattern, or the like formed at random by a magnetic material. Does not exist. If necessary, the same pattern may be formed for collation such as confirmation of the identity of the sign panel.

As the magnetic material, Fe, Ni, Mn, Z
n, Co, Permalloy, Sendust, Mn-Zn ferrite, Ni-Zn ferrite, Mn ferrite, Zn ferrite, FeS, magnetite, γ-iron oxide, Co-coated γ-iron oxide, barium ferrite, strontium ferrite, chromium dioxide, etc. And powders of metals, alloys, and metal compounds are made into ink, fibers are formed into fibers, and powders are formed into fibers from resin or the like. These are appropriately selected according to the forming means. As the magnetic material, it is preferable to use a soft magnetic material having a coercive force of 60 Oe or less. If a soft magnetic material having a coercive force of 60 Oe or less, the residual magnetization due to a bias magnetic field at the time of reading is extremely small, the magnet viewer and the magnetic fluid It is difficult to confirm the existence of a magnetic pattern due to the above.

Since the magnetic pattern 4 is formed at random, it is selected in consideration of the quantity to be manufactured and the form of the magnetic material to be used. When provided on the sign panel substrate 2 or the like with magnetic ink or the like, a known printing method, a transfer means, a printing method of a printing means, and when provided with only a magnetic material of metals, a deposition method using a known vacuum deposition means, a fiber, When a material processed into a shape is used, a dispersion method and various methods can be used.

Further, as shown in FIG. 3, the adhesive layer 5 provided on the sign panel 6 is made of a so-called heat-sensitive adhesive or pressure-sensitive adhesive made of a thermoplastic resin made of various polymer materials or an adhesive resin. is there. Resins include polyester resin, acrylic resin, urethane resin, vinyl chloride resin, polyamide resin, and polyvinyl acetate resin. Rubber-based resin, ethylene-vinyl acetate copolymer resin, ethylene-acrylic acid copolymer resin, ethylene-acrylic acid ester copolymer resin, chlorinated polyethylene and mixtures thereof with tackifier, vinyl chloride vinyl acetate copolymer A polymer resin or the like can be used, and is appropriately selected in consideration of the material and adhesiveness of the card substrate or the sign panel substrate to be bonded. The adhesive containing these as a main component is formed as the adhesive layer 5 by a known coating / printing means.

Also, as in the sign panel 7 shown in FIG.
The sign panel substrate 2 and the concealing layer 3 of the sign panel 1 of the present invention can be used as both, that is, the sign panel substrate 8 having a concealing property. For example, a material such as a colored PET film (white or silver) can be used. There is. According to this, since the distance between the magnetic sensor and the magnetic sensor in magnetic reading is reduced, there is an advantage that the magnetic reading output is improved.

Next, as shown in FIGS. 5 and 6, the sign panels 1, 6, and 7 can be attached to the card base material 12 as a sign panel section 9. FIG. In the sign panel field 9, the name of a valid owner of the card 11 is entered.
As described above, the sign panel holds the ink of the writing implement used at that time, and the magnetic pattern 4 in the lower layer is concealed by the concealing layer 3 or the sign panel substrate 8 having concealing properties, It is impossible to know its existence from the sign panel section 9.

The card substrate 12 is made of polyvinyl chloride, polyester, polycarbonate, polymethyl methacrylate,
It can be used as a composite of single or combined synthetic resins such as polystyrene and polyethylene terephthalate, natural resins, paper, synthetic paper, metal, ceramics and the like. The material can be appropriately selected from the above materials in consideration of physical properties required according to the application, for example, strength, rigidity, concealing property, light impermeability and the like.

The card 11 may be provided with other recording means, such as a magnetic recording means such as a magnetic barcode 13 and a magnetic stripe 14, or an optical recording means, or an IC recording means such as a microprocessor or a memory. These recording means can be used for authenticity determination of the sign panel of the present invention.

That is, a magnetic pattern randomly formed on the sign panel as unique information is read by a magnetic sensor such as a magnetic head, and the read magnetic output waveform (analog signal) is converted into a digital signal by AD conversion.
After being coded according to a certain rule, it is recorded on the magnetic stripe 14 as unique information of the card 11 provided with the signature panel. At the time of collation, the signature panel field is similarly scanned by a magnetic sensor such as a magnetic head to read the lower layer magnetic pattern, and the read magnetic output waveform (analog signal) is converted into a digital signal by A / D conversion, and is coded according to a certain rule. Is compared with the unique information recorded in the magnetic stripe 14 in advance, and whether the data is coincident or extremely similar, the correlation of the data is calculated, and the result is used to determine the authenticity.
This unique information can be recorded in the recording means as described above, and is not limited to them. In particular, any recording means that can be read mechanically may be used.

Hereinafter, specific examples of the present invention will be described.
This will be described in detail.

Example 1 A concealing ink having the following composition was coated on a high quality paper (Nippon Paper Industries Co., Ltd., 45 kg) by gravure printing to form a concealing layer having a thickness of 3 μm after drying the concealing layer. did. ○ Hiding ink Acrylic resin (BR65, manufactured by Mitsubishi Rayon Co., Ltd.) 50 parts Cellulose resin (Celnova SS20, manufactured by Asahi Kasei Corporation) 50 parts Vinyl acetate chloride resin (VAGH200, manufactured by UCC) 50 parts Al paste (# 2000, manufactured by Toyo Aluminum Co., Ltd.) 60 parts Diluent (MEK / toluene) 200 parts

Next, a magnetic bar code having a layer thickness of 8 μm after printing was formed by printing a magnetic ink having the following composition by a screen printing method to produce a sign panel material. ○ Magnetic ink Magnetite magnetic powder (coercive force: 80 Oe, particle diameter: 0.5 μm) 100 parts Acrylic resin (BR65, manufactured by Mitsubishi Rayon Co., Ltd.) 50 parts Vinyl chloride acetate resin (VAGH200, manufactured by UCC) 50 parts Cyclohexanone / xylene (= 1/1) ) 150 copies

<Example 2> Acryl-cellulose resin-based medium (V Nippon Seika Co., Ltd.) was used as a deposition anchor layer on a small amount of coated paper (45 kg, 46-size, manufactured by Shin-Oji Paper Co., Ltd.).
M-Al) was gravure coated to a layer thickness of 4 μm, and an Al deposition film was formed to a layer thickness of 50 nm to form a concealing layer.
Next, a bar constituting a pattern is dried with a magnetic ink having the following composition by a gravure printing method to have a layer thickness of 1 to 5 μm.
Was formed by printing a random magnetic pattern. Further, a thermosensitive adhesive (vinyl acetate AD-501 manufactured by Toyo Morton Co., Ltd.) was coated as a bonding layer to a thickness of 2 μm to prepare a sign panel material. ○ Magnetic ink Mn-Zn ferrite (coercive force: 25 Oe, particle size: 0.5 μm) 300 parts Acrylic resin (BR65 manufactured by Mitsubishi Rayon Co., Ltd.) 50 parts Vinyl acetate vinyl resin (VAGH200 manufactured by UCC) 50 parts MEK / toluene 150 parts

<Example 3> An Al deposited film, a magnetic pattern, and an adhesive layer were prepared in the same manner as in Example 2, except that the deposition anchor layer was an acrylic / cellulose resin-based white ink (VM-Al white, manufactured by Dainichi Seika Co., Ltd.). Was formed to produce a sign panel material.

The sign panel material obtained in this manner was adhered to a card substrate made of vinyl chloride as shown in FIGS. 5 and 6, and was subjected to a flush processing. The pattern was completely concealed and was not visible, and it was difficult to determine the magnetic pattern even with a magnetic developer such as a magnetic fluid or a magnet viewer. It is also possible to read a pattern by a reading device (not shown), data is created from the read information, a correlation is calculated with unique information previously recorded on other recording means such as a magnetic recording section, and a sign panel is obtained from the result. After determining the authenticity of the card provided with,
The information matched and was validated.

It should be noted that once the sign panel was peeled off the card, the magnetic pattern was destroyed and the reproduction was almost impossible, and when collated, it did not match the unique information of the card and was judged to be not authentic.

[0040]

According to the sign panel of the present invention, a concealing layer is laminated on the surface opposite to the writing surface of the sign panel substrate having the writing surface, and information or random information is magnetically applied as identification or unique information on the concealing layer. By forming the pattern, the magnetic pattern becomes invisible from the sign panel substrate side, and the magnetic pattern can not be read by a magnetic developer such as a magnet viewer or a magnetic fluid. A magnetic response output is obtained, and it is possible to determine the authenticity of the sign panel or the card on which the sign panel is formed by comparing information obtained by signal processing of the output waveform with card-specific information. Further, by using the sign panel base material having the concealing property for the sign panel of the present invention, the sign panel can be made thinner, and the magnetic read output can be improved.

As described above, the sign panel of the present invention can hold the discrimination information itself, particularly the discrimination information unique to the sign panel, and furthermore, it is difficult to know its existence from outside. The sign panel of the present invention is provided on a document such as a card, which proves authenticity, and is excellent in authenticity by reading and collating it. A judgment processing system can be provided.

[Brief description of the drawings]

FIG. 1 is a plan view of a sign panel according to the present invention.

FIG. 2 is a cross-sectional view of the sign panel of FIG. 1 taken along line XX.

FIG. 3 is a sectional view of a sign panel according to another embodiment of the present invention.

FIG. 4 is a sectional view of a sign panel according to another embodiment of the present invention.

FIG. 5 is a plan view of a card in which the sign panel of the present invention is formed on a card base material.

FIG. 6 is a plan view of a card in which the sign panel of the present invention is formed on a card base material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 6, 7 Sign panel 2 Sign panel base material 3 Concealment layer 4 Magnetic pattern 5 Adhesive layer 8 Sign panel base material having concealment property 9 Sign panel column 10 Writing surface 11 Card 12 Card base material 13 Magnetic barcode 14 Magnetic stripe

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP 5-278319 (JP, A) JP 5-278320 (JP, A) JP 5-174207 (JP, A) JP 3- 256799 (JP, A) JP-A-58-105428 (JP, A) JP-A-1-43826 (JP, A) JP-A-2-98498 (JP, A) JP-A-5-78585 (JP, U) WO 92/855 (WO, A2) (58) Fields investigated (Int. Cl. ⁷ , DB name) B42D 5/00-15/10 G06K 19/06 G06K 19/10

Claims (8)

(57) [Claims] 1. A sign panel material used as a signature section, comprising a sign panel base material having a writing surface, and a concealing layer laminated on a surface opposite to the writing surface, wherein a magnetic pattern is formed on the concealing layer. A sign panel material characterized by being made. 2. The sign panel material according to claim 1, wherein the magnetic material forming the magnetic pattern is a soft magnetic material having a coercive force of 60 Oe or less. 3. The sign panel material according to claim 1, wherein said magnetic pattern is formed by magnetic printing randomly arranged on said concealing layer. 4. The sign panel material according to claim 1, wherein said concealing layer comprises a non-magnetic metal thin film. 5. The sign panel material according to claim 1, wherein said concealing layer comprises a concealing coating film containing a concealing material selected from a coloring pigment, a metal powder, a metal compound powder and the like as a main component. . 6. The sign panel material according to claim 1, wherein an adhesive layer is formed on the concealing layer and the magnetic pattern. 7. The sign panel material according to claim 1, wherein said sign panel base material is made of paper. 8. A sign panel material according to claim 1, wherein a writing ink absorbing layer having oil absorbency and water absorbency is formed on a writing surface of said sign panel base material.