JPH0592684A - Magnetic card and its manufacture - Google Patents

Abstract

PURPOSE:To enable a pictorial pattern to be formed on both front and rear of a card in a single round of process. CONSTITUTION:A concealing layer 5 a of a transfer material 10a using silk screen printing technique and a printing layer 5b of a transfer material 10b using the technique are located on the both sides of a synthetic resin laminated product 12 having a magnetic stripe 4a in such a manner that both layers face inwards. Then the layers are stuck together with the laminated product using a thermal pressing technique with a heating plate P. Front and rear pictorial layers 6a, 6b formed using an offset printing process are provided on both sides of the synthetic resin laminated product 12 in a single round of sticking process.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic card used as a credit card, a bank cash card, and other various identification cards.

[0002]

2. Description of the Related Art Among magnetic cards of this type, a magnetic card 21 of a type in which a magnetic stripe 24 is concealed, as shown in FIG. Has been. This magnetic card 21
Is obtained by laminating both sides of a center core 22 made of vinyl chloride, for example, with oversheets 23a and 23b made of the same material, and a magnetic stripe 24 is embedded in a part of the front side oversheet 23a. Further, a masking layer 25 by printing, a pattern layer 26, an anchor layer 27, and a peeling layer 28 are provided in order over the entire surface of the oversheet 23a so as to cover the magnetic stripe 24. In addition, the oversheet 23b forming the back surface
A pattern 29 is provided between the core sheet and the core sheet by printing.

The manufacturing method of the magnetic card 21 will be described below with reference to FIG. That is, first, the pattern 29 is printed on the center core 22. Next, the magnetic stripe 24 is formed on the oversheet 23a by, for example, transfer. Then, an overseat 23a is provided on the front side of the center core 22, and a separate overseat 2 is provided on the back side.
3b and synthetic resin laminate 30 by hot pressing
To create. Then, as shown in FIG. 12, the transfer sheet 32 including the concealing layer 25, the pattern layer 26, the anchor layer 27, the peeling layer 28, and the transfer substrate 31 is combined on the oversheet 23a provided with the magnetic stripe 24. Press from both sides with the hot plate P. After cooling, the transfer substrate 31 is peeled off and punched into a desired size to obtain the magnetic card 21 of FIG.

[0004]

In the above-mentioned manufacturing method, the pattern 29 on the back side is formed by the direct printing method by silk screen printing on the center core 22, and the pattern layer 26 on the front side is formed by the transfer method. However, there is a problem in that the production efficiency is poor because separate steps are required to form the pattern.

The present invention has been made in view of the above problems, and an object of the present invention is to form a pattern on the front and back in a single step to improve the production efficiency of a magnetic card. And a method for manufacturing the same.

[0006]

In order to achieve the above object, a magnetic card of the present invention has an oversheet laminated on both sides of a center core, and a magnetic stripe is provided on the oversheet on the front side. A covering layer by silk screen printing and a pattern layer by offset printing are provided over the entire surface of the oversheet so as to cover the stripes, and a printing layer and offset printing by silk screen printing are provided over the entire surface of the oversheet on the back side. It is characterized in that a pattern layer according to is provided.

According to the method of manufacturing a magnetic card, a magnetic stripe is provided on the front oversheet, and the oversheet and the back oversheet are laminated on both sides of the center core to form a synthetic resin laminate. A pattern layer is formed on the transfer base material by offset printing via a release layer, and a concealing layer is further formed on the transfer material by silk screen printing, and a release layer on the transfer base material. A pattern layer is formed by offset printing via the above, and the other transfer material is formed by further forming a print layer on it by silk screen printing, and the concealing layer of one transfer material is the front side of the synthetic resin laminate. The transfer layer of the other transfer material while aligning the printed layer of the other transfer material with the back sheet of the oversheet. It is characterized by combining a resin laminate by sandwiching stick than the thermal pressing.

In another form of magnetic card, oversheets are laminated on both sides of the center core, and magnetic stripes are provided on both oversheets, respectively.
It is characterized in that a covering layer by silk screen printing and a pattern layer by offset printing are provided over the entire surface of each oversheet so as to cover the magnetic stripe.

In this method of manufacturing a magnetic card, two oversheets each provided with a magnetic stripe are laminated and coated on both sides of the center core to form a synthetic resin laminate, and on the transfer substrate. Two transfer materials each having a pattern layer formed by offset printing via a release layer and further having a masking layer formed thereon by silk screen printing are prepared, and the masking layer of each transfer material is the synthetic resin laminate. The synthetic resin laminate is sandwiched between two transfer materials in a state where it is aligned with the oversheet surface in (1) and is bonded by hot pressing.

[0010]

The magnetic card having the above-mentioned structure is manufactured by hot pressing the laminated body which is the central portion between the two transfer materials and pasting them together. It is formed in a single process.

[0011]

1 is a sectional view showing an example of a magnetic card according to the present invention. The magnetic card 1 has a center portion in which oversheets 3a and 3b made of the same material are laminated on both sides of a center core 2 made of vinyl chloride. A magnetic stripe 4a is embedded in the oversheet 3a on the front side, and the magnetic stripe 4a is covered and the concealing layer 5a and the pattern layer 6 are provided over the entire surface of the oversheet 3a.
a, the anchor layer 7a, and the peeling layer 8a are sequentially provided. In addition, a cover layer 5b, a pattern layer 6b, an anchor layer 7b, and a release layer 8b are sequentially provided over the entire surface of the oversheet 3b on the back surface. Anchor layer 7
a and 7b are preferable in order to strengthen the adhesion between the hiding layers 5a and 5b and the pattern layers 6a and 6b and prevent the ink from dripping due to the rubbing of the magnetic card surface.

Next, a manufacturing process of the magnetic card shown in FIG. 1 will be described.

First, as shown in FIG. 2, a release layer 8a is provided on the surface of a transfer substrate 9a made of a polyethylene terephthalate film, and an anchor layer 7a of an offset printing ink is applied on the release layer 8a. A pattern layer 6a is provided on the anchor layer 7a by offset printing. Next, the concealing layer 5a is formed by screen printing using, for example, silver ink. In this way, the transfer material 10
Create a. On the other hand, as shown in FIG. 3, a release layer 8b is provided on the surface of a transfer substrate 9b made of a polyethylene terephthalate film, and an anchor layer 7b of an offset printing ink is applied on the release layer 8b. A pattern layer 6b is provided on 7b by offset printing. Next, solid printing is performed, for example, in white by screen printing to form the printing layer 5b. In this way, another transfer material 10b is prepared.

Separately from this, a magnetic paint is applied in a predetermined width to a predetermined position of an oversheet 3a which is a part of the magnetic card 1 to form an oversheet 3a having a magnetic stripe 4a as shown in FIG. To do. As another means for providing the magnetic stripe 4a on the oversheet 3a, as shown in FIG. 5, a thermoplastic resin (for example, a thermoplastic resin supported on a polyethylene terephthalate film 11 as a temporary support) is used.
There is a method in which a heat transferable magnetic stripe 4a having a vinyl chloride-vinyl acetate copolymer) as a main binder is attached to a predetermined position of the oversheet 3a using a heating plate P, and the polyethylene terephthalate film 11 is peeled off. As a result, a structure as shown in FIG. 4 may be obtained.

The oversheet 3a provided with the magnetic stripe 4a, the core sheet 2 in contact with the magnetic stripe 4a, and the oversheet 3b on the opposite side are attached at a predetermined position as shown in FIG. I do. The hot press conditions are, for example, a temperature of 100 to 200 ° C. and a pressure of 15 to 35 k.
g / cm ² , time 5-25 minutes, preferred specific example is temperature 1
The temperature is 50 ° C., the pressure is 25 kg / cm ² , and the time is 15 minutes. After that, while maintaining the pressure, the synthetic resin laminate 12 of FIG. 7 is obtained by cooling the temperature to room temperature as slowly as possible, for example, for 20 minutes or more. At this time, at least the oversheet 3a is made of a thermoplastic resin, so that the magnetic stripe 4a is embedded in the oversheet 3a and is flush with the surface of the oversheet 3a.

With the synthetic resin laminate 12 shown in FIG. 7 thus obtained as the center, the transfer materials 10a, 1 previously obtained are obtained.
0b at a predetermined position as shown in FIG.
Concealing layer 5a faces the over sheet 3a in, superimposed as print layer 5b in the transfer material 10b faces the over sheet 3b, using a hot plate P from both sides, for example, temperature 0.99 ° C., a pressure 25 kg / cm ² The heat press working is performed under the condition of time of 15 minutes. After cooling, the transfer substrates 9a, 9
After peeling off b, the magnetic card 1 of the present invention shown in FIG. 1 is obtained by punching into a desired size.

FIG. 9 is a sectional view showing another example of the magnetic card according to the present invention. This magnetic card 1 is the same as the magnetic card 1 of the previous embodiment except that the oversheet 3b on the back side is used.
The magnetic stripe 4b is also embedded in the
The printing layer 5b provided so as to cover the magnetic stripe 4b is replaced with the hiding layer 5c.

In the above manufacturing process, the magnetic card 1 is formed on the back side oversheet 3b as shown in FIG.
In the same manner as shown in, the magnetic stripe 4 is placed at the predetermined position.
b and the printing layer 5b on the transfer material 10b.
Is made into a concealing layer 5c by screen printing using, for example, a silver ink, and the other steps are similarly performed.

As the magnetic layer forming the magnetic stripe in the magnetic card of the present invention, in addition to the conventional low coercive force magnetic material, a magnetic layer which uses a high coercive force magnetic material which is hard to erase magnetic information, or a forgery is used. In consideration of prevention, any structure such as a two-layer structure of a low coercive force magnetic material and a high coercive force magnetic material may be used.

The card base material in the magnetic card of the present invention is an IC in addition to a magnetic card having a magnetic stripe.
It can also be used as a so-called card base for an IC card having a structure in which a module is embedded, or as a card base for an optical card having an optical recording layer.

[0021]

As described above, in the magnetic card and the manufacturing method thereof according to the present invention, the pattern is formed by the transfer method on the back side as well as the front side. Therefore, the step for forming the pattern is performed once. Therefore, the manufacturing process can be simplified.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of a magnetic card according to the present invention.

FIG. 2 is a cross-sectional view of a transfer material.

FIG. 3 is a cross-sectional view of a transfer material.

FIG. 4 is a cross-sectional view of an oversheet provided with a magnetic stripe.

FIG. 5 is a cross-sectional view showing another example of a method for forming a magnetic stripe.

FIG. 6 is a cross-sectional view showing a method for producing a synthetic resin laminate which is the center of a magnetic card.

FIG. 7 is a cross-sectional view of a synthetic resin laminate which is the center of a magnetic card.

FIG. 8 is a cross-sectional view showing a step of attaching a transfer material to the synthetic resin laminate of FIG.

FIG. 9 is a cross-sectional view showing another example of the magnetic card according to the present invention.

10 is a cross-sectional view showing a part of the manufacturing process of the magnetic card shown in FIG.

FIG. 11 is a sectional view showing a conventional magnetic card.

FIG. 12 is a cross-sectional view showing a part of the conventional magnetic card manufacturing process.

[Explanation of symbols]

 1 magnetic card 2 center core 3a, 3b oversheet 4a, 4b magnetic stripe 5a, 5c concealing layer 5b printing layer 6a, 6b pattern layer 8a, 8b release layer 9a, 9b transfer base material 10a, 10b transfer material 12 synthetic resin laminate

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[Procedure amendment]

[Submission date] March 7, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction content]

[0004]

In the above-mentioned manufacturing method, the pattern 29 on the back side is formed by the direct printing method by silk screen printing on the center core 22, and the pattern layer 26 on the front side is formed by the transfer method. However, there is a problem in that the production efficiency is poor because separate steps are required to form the pattern.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

[0011]

1 is a sectional view showing an example of a magnetic card according to the present invention. The magnetic card 1 has a center portion in which oversheets 3a and 3b made of the same material are laminated on both sides of a center core 2 made of vinyl chloride. A magnetic stripe 4a is embedded in the oversheet 3a on the front side, and the magnetic stripe 4a is covered and the concealing layer 5a and the pattern layer 6 are provided over the entire surface of the oversheet 3a.
a, the anchor layer 7a, and the peeling layer 8a are sequentially provided. In addition, a cover layer 5b, a pattern layer 6b, an anchor layer 7b, and a release layer 8b are sequentially provided over the entire surface of the oversheet 3b on the back side . Anchor layer 7
The a and 7b are preferable in order to strengthen the adhesion between the peeling layers 8a and 8b and the pattern layers 6a and 6b and prevent the ink from being removed by rubbing the surface of the magnetic card.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location G06K 19/077 G11B 5/80 7303-5D

Claims (4)

[Claims] 1. An oversheet is laminated on both sides of a center core, a magnetic stripe is provided on the front side oversheet, and a concealing layer is formed by silk screen printing over the entire surface of the oversheet so as to cover the magnetic stripe. And a pattern layer formed by offset printing, and a print layer formed by silk screen printing and a pattern layer formed by offset printing are provided over the entire surface of the oversheet on the back side. 2. A magnetic stripe is provided on the front side oversheet, and the oversheet and the backside oversheet are laminated and coated on both sides of the center core to form a synthetic resin laminate, and a release layer is formed on the transfer substrate. To form a pattern layer by offset printing via a transfer layer, and a transfer material on which a concealing layer is formed by silk screen printing, and a pattern layer by offset printing via a release layer on the transfer substrate. And the other transfer material formed by further forming a printing layer on it by silk screen printing, and the concealing layer of one transfer material is aligned with the front side oversheet surface of the synthetic resin laminate and the other In the state where the printing layer of the transfer material of (1) is aligned with the oversheet surface on the back side, the synthetic resin laminate is sandwiched by two transfer materials, and hot pressing is performed. A method for manufacturing a magnetic card, which comprises laminating the magnetic cards together. 3. Over-sheets are laminated on both sides of the center core, magnetic stripes are provided on both over-sheets, and silk-screen printing is performed over the entire surface of each over-sheet so as to cover the magnetic stripes. A magnetic card, which is provided with a concealing layer and a pattern layer by offset printing. 4. A synthetic resin laminate is produced by laminating two oversheets each provided with a magnetic stripe on both sides of a center core, and offset printing is performed on a transfer substrate via a release layer. Two transfer materials each having a pattern layer formed thereon and a masking layer formed thereon by silk screen printing are prepared, and the masking layer of each transfer material is aligned with the oversheet surface of the synthetic resin laminate. 2. A method for manufacturing a magnetic card, characterized in that the synthetic resin laminate is sandwiched between two transfer materials, and is bonded by hot pressing.