JPH09277766A - Non-contact type ic card and its manufacture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a non-contact type IC card of a structure of fixing a communication circuit and a communication coil on a card base without using a bonding agent or an adhesive tape and also provide its manufacturing method. SOLUTION: A third core sheet 8 and a fourth core sheet 9 are overlapped together on both faces of a core sheet laminate 14 formed by pinching a communication circuit 3 and a communication coil 4 by a first core sheet 6 and a second core sheet 7, clamping a body thus formed by mirror face metal plates, heating the body up to the hard polyvinyl chroride fusion welding temperature and fixing by pressure thereon, and the communication circuit 3 and the communication coil 4 are fusion fixed on a hard polyvinyl chloride laminate formed by overlapping sheets 10 on pattern printed faces formed by the above arrangement to manufacture a card base.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bank cash card, various credit cards, and various prepaid cards.
Suitable for computer, medical card, ID (for identification) card
The present invention relates to a C card and its manufacturing method.

[0002]

2. Description of the Related Art Conventionally, IC cards have been widely used as ID (identification) cards in the field of credit transactions represented by bank cash cards, or as prepaid IC cards in the fields of transportation, communication, entertainment and the like. ing. Normal I
The C card is used for the IC module in a 0.76 mm-thick rigid vinyl chloride laminate obtained by stacking an IC module with a built-in IC chip and equipped with communication contact terminals by thermocompression bonding a hard vinyl chloride sheet. It is obtained by spotting and sticking the concave part of.

[0003]

The above-mentioned IC card is called a contact type IC card, and reading and writing of information is performed by I
This is performed via the communication contact terminal of the C module.
However, in this information transmission method, since the communication contact terminal is always exposed to the outside world, there is a high risk of damaging the communication contact terminal portion or destroying the IC chip built in the IC module. A contactless IC card based on a contactless information transmission method using a coil or the like is under study.

The above-mentioned non-contact type IC card is a card body having a thickness of 0.76 mm, in which a hard vinyl chloride laminate obtained by thermocompression bonding and laminating is provided with recesses for a communication circuit and a communication coil. Alternatively, the communication circuit and the communication coil are fixed with an adhesive or an adhesive tape to a 0.76 mm-thick card base made of an injection-molded body of ABS resin having a recess for the communication circuit and the communication coil,
Further, it can be obtained by pasting a plastic film on the card base with an adhesive or an adhesive tape. FIG. 3 shows an example in which a plastic film is attached to a card base with an adhesive sheet. In FIG. 3, 21 is a plastic film, 22 is an adhesive sheet, 3 is a communication coil,
Reference numeral 4 is a communication circuit, and 25 is a card base.

However, the non-contact type I having the above structure
In the C card, problems such as peeling of the plastic film and disconnection of the communication coil occur due to deterioration of the adhesive or the adhesive tape. Therefore, various technical improvements have been investigated, but this problem has not been solved yet.

An object of the present invention is to solve the above problems, and to fix the communication circuit and the communication coil to the card base without using an adhesive or an adhesive tape which causes the problems. A contactless IC card having a structure and a method for manufacturing the same.

[0007]

According to the present invention, a hard chloride formed by laminating a pair of core sheets made of milky white hard vinyl chloride with a pair of oversheets made of transparent hard vinyl chloride sandwiching the core sheets. A non-contact type IC card having a vinyl laminated body as a card base, wherein a communication circuit and a communication coil are fused and fixed with hard vinyl chloride inside the card base. can get.

Further, according to the present invention, the communication circuit and the communication coil are sandwiched between the first core sheet and the second core sheet made of opalescent hard vinyl chloride, and the first core sheet and the second core are sandwiched. A core sheet laminated body obtained by sandwiching the sheet with a mirror-finished metal plate, heating it to a hard vinyl chloride fusion temperature, and then pressure-bonding the same onto the both surfaces of a third core sheet and a fourth core sheet. The sheets are stacked so that the non-printed surfaces are in contact with each other, and a rigid vinyl chloride laminate obtained by stacking an oversheet made of transparent rigid vinyl chloride on the pattern printed surfaces of the third core sheet and the fourth core sheet is a mirror surface. A non-contact type IC card characterized by being sandwiched between metal plates, heat-pressed, and fused and fixed to the inside of a rigid vinyl chloride laminate with the communication circuit and the communication coil with hard vinyl chloride to obtain a card base. of Production method can be obtained.

Further, according to the present invention, the communication circuit and the communication coil mounting position are printed in advance.
On the core sheet, the communication circuit and the communication coil are aligned with the mounting position and fixed with an adhesive, and the second core sheet is applied on the communication circuit and the communication coil, A core sheet laminate is obtained by sandwiching the core sheet No. 1 and the second core sheet with a mirror-finished metal plate, heating to a rigid vinyl chloride fusion temperature, and then pressure-bonding the core sheet laminate. A manufacturing method is obtained.

In the core sheet laminate, the communication circuit and the communication coil are provided on the first core sheet made of milky white hard vinyl chloride in which the positions of the communication circuit and the communication coil are printed in advance. And a second core sheet made of opalescent hard vinyl chloride, which is fixed to the position of the communication coil with an adhesive and applied onto the communication circuit and the communication coil, and the first core sheet and the second core. The sheet is sandwiched between mirror-finished metal plates and heated to the fusion temperature, then pressure-bonded,
It is desirable to obtain the core sheet laminate.

[0011]

In the present invention, since the communication circuit and the communication coil are sandwiched between the hard vinyl chloride sheets and then heat-pressed,
The hard vinyl chloride can be fused around the communication circuit and the communication coil, and the communication circuit and the communication coil can be fused and fixed inside the hard vinyl chloride laminate. Therefore, the communication circuit and the communication coil are fixed to the card base without using an adhesive or an adhesive tape that causes peeling of the plastic film and disconnection of the communication coil, which are problems in the conventional non-contact type IC card. It is possible to provide a contactless IC card having a structure.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an exploded perspective view of a non-contact type IC card manufactured by the manufacturing method of the present invention, and FIG. 3 is a schematic view showing a first core sheet manufactured by the manufacturing method of the present invention. A 0.2 mm thick milky white hard vinyl chloride sheet, a 0.13 mm thick milky white hard vinyl chloride sheet, and a 0.05 mm thick transparent hard vinyl chloride sheet are preliminarily prepared to have external dimensions of 120 mm in length and 90 mm in width. Cut them out. First, on the first core sheet 6 made of milky white hard vinyl chloride having a thickness of 0.2 mm, a length of 85.60 m from the punching reference point 13 in accordance with JIS standard.
m, width 53.98 mm, corner R (radius of curvature) 3.
Card punching range 12 to 10 mm (broken line in the figure)
Set. A circuit mounting area 11 in which the communication circuit 3 and the communication coil 4 are mounted inside the card punching area 12
(Black position in FIG. 1) is set, and the area is printed with black ink.

Next, the outer shape is 70 mm × 40 mm × 0.3.
mm communication coil 4 and outer shape 7 mm x 4 mm x 0.3
The mm communication circuit 3 is fixed to the circuit mounting area 11 of the first core sheet 6 with a cyanoacrylate adhesive. next,
A second core sheet 7 made of milky white hard vinyl chloride having a thickness of 0.2 mm is overlaid on the communication coil 4 and the communication circuit 3, and the first core sheet 6 and the second core sheet 7 are mirror-finished metal. It is sandwiched between plates (not shown) and heated.

Next, it was confirmed that the temperatures of the first core sheet 6 and the second core sheet 7 reached the fusion temperature of 150 ° C.,
After holding at a pressure of 5 kg / cm ² for 2 minutes, it was cooled to obtain a core sheet laminate 14. Next, a pattern is printed on the third core sheet 8 made of milk-white hard vinyl chloride having a thickness of 0.13 mm, and characters are printed on the fourth core sheet 9 made of milk-white hard vinyl chloride having a thickness of 0.13 mm. did.

Next, the third core sheet 8 is applied to one surface of the core sheet laminate 14 so that the unprinted surface of the third core sheet 8 is in contact, and the core sheet laminate 14 is further applied.
The other side of the sheet is applied with the fourth core sheet 9 so that the unprinted side of the fourth core sheet 9 is in contact.

Next, the printed surface of the third core sheet 8 and the fourth
The oversheet 10 made of transparent hard vinyl chloride having a thickness of 0.05 mm is applied to the printed surface of the core sheet 9 of No. 3, sandwiched between mirror-finished metal plates, and the temperature is 150 ° C. and the pressure is 25 Kg / cm.
^2. Heat and pressure were applied for 5 minutes to obtain a rigid vinyl chloride laminate.

Next, from the hard vinyl chloride laminate produced as described above, a card punching range 12 preset from the outer shape of the sheet was punched by a punching machine, and a length of 85.60 mm and a width of 53. A non-contact type IC card having a size of 98 mm, a corner of 3.10 mm and a thickness of 0.76 mm was obtained.

Next, the function of the non-contact type IC card of the present invention produced by the above method was confirmed in the following manner. First,
As a result of writing and reading information with the card reader / writer for the non-contact type IC card, it was possible to perform normally.

Next, the conventional non-contact IC card and the non-contact type IC card according to the present invention were subjected to the twist test of the card 10,000 times in accordance with the JIS standard. As a result, the conventional non-contact IC card was a plastic film. 1 (see FIG. 3) was peeled off and information could not be written or read by a dedicated card reader / writer, whereas the non-contact type IC card according to the present invention showed no change in appearance and was a dedicated card. I was able to write and read information normally with a reader / writer.

[0020]

As described above, by using the method for manufacturing a non-contact type IC card according to the present invention, hard vinyl chloride can be fused around the communication circuit and the communication coil, and the communication circuit can be fused. And a non-contact type IC having a card substrate in which a communication coil is fused and fixed to a rigid vinyl chloride laminate
You get a card.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a non-contact type IC card according to a manufacturing method of the present invention.

FIG. 2 is a schematic view showing a first core sheet according to the manufacturing method of the present invention.

FIG. 3 is an exploded perspective view of a conventional non-contact type IC card.

[Explanation of symbols]

 1 Plastic Film 2 Adhesive Sheet 3 Communication Circuit 4 Communication Coil 6 First Core Sheet 7 Second Core Sheet 8 Third Core Sheet 9 Fourth Core Sheet 10 Oversheet 11 Circuit Mounting Area 12 Card Punching Area 13 Punching reference point 14 Core sheet laminate 25 Card base

Claims (3)

[Claims] 1. A hard vinyl chloride laminate comprising a pair of core sheets made of opalescent hard vinyl chloride and a pair of oversheets made of transparent hard vinyl chloride laminated with the core sheets sandwiched therebetween, as a card substrate, and not contacting. Type I
In the C card, a non-contact type IC card in which a communication circuit and a communication coil are fused and fixed to the inside of the card base with hard vinyl chloride. 2. A communication circuit and a communication coil are sandwiched between a first core sheet and a second core sheet made of milk-white hard vinyl chloride, and the first core sheet and the second core sheet are mirror-finished metal plates. Both sides of the core sheet laminate obtained by sandwiching and heating to the vinyl chloride fusion temperature and then pressure bonding,
The third core sheet and the fourth core sheet, which have been preliminarily printed with a pattern, are superposed so that the non-printed surfaces are in contact with each other.
The inner surface of the hard vinyl chloride laminate is sandwiched between the hard vinyl chloride laminates made by stacking transparent hard vinyl chloride oversheets on the printed surfaces of the core sheet of No. 4 and the fourth core sheet with mirror-finished metal plates, and heat-pressed. A method for manufacturing a non-contact type IC card, wherein the communication circuit and the communication coil are fused and fixed with hard vinyl chloride to obtain a card substrate. 3. The method for manufacturing a non-contact type IC card according to claim 2, wherein the communication circuit and the communication are provided on the first core sheet on which the communication circuit and the communication coil mounting position are printed in advance. The coil for use is aligned with the mounting position and fixed with an adhesive, and the second core sheet is applied on the communication circuit and the communication coil,
The core sheet and the second core sheet are sandwiched between mirror-finished metal plates, heated to a rigid vinyl chloride fusion temperature and then pressure-bonded to obtain a core sheet laminate, which is a non-contact type IC card. Method.