JP7528666B2 - Recording material - Google Patents

Description

The present invention relates to a recording material.

A recording material is known that includes a folded portion provided on a base paper, a perforation provided on the folded portion and consisting of an uncut portion and a cut portion that is longer than the uncut portion, a first side piece and a second side piece connected with the folded portion in between, an adhesive layer that bonds the inner surfaces of the first side piece and the second side piece when folded at the folded portion, and a member that is bonded to a part of the inner surfaces (Patent Document 1).

JP 2020-079818 A

The present invention prevents toner from entering the cut portion of the perforation compared to when the cut portion of the perforation is formed with the same width in the depth direction of the cut.

In order to solve the above problem, the recording material according to claim 1 is
a card paper including a surface layer containing a resin and an adhesive layer below the surface layer;
a release paper on the adhesive layer side that is integral with the card paper;
a perforation formed of cut portions and uncut portions alternately arranged in one direction of the card paper, the cut portions being larger at the surface of the surface layer than at the deepest portion in a cross section in a cut depth direction parallel to the one direction, and the perforation being formed so as to have a substantially triangular shape with one end along the one direction as a vertex in a plan view intersecting the cut depth direction;
It is characterized by:

The present invention relates to a recording material according to claim 2,
The cut portion is formed in a triangular shape with the deepest part in the cut depth direction in the cross section as the apex and the surface side as one side.
It is characterized by:

The present invention relates to a recording material according to claim 2,
The triangle is a right-angled triangle.
It is characterized by:

The invention described in claim 4 is the recording material described in claim 3,
In the cross sections of the two cut portions adjacent to each other by the perforation, the right-angled triangles are arranged in the same direction.
It is characterized by:

The invention described in claim 5 is the recording material described in any one of claims 1 to 4,
The cut portion is formed such that a cut penetrates the surface layer in the cross section but does not reach the release paper.
It is characterized by:

The present invention relates to a recording material according to any one of claims 1 to 5 ,
The cut portion is formed longer than the uncut portion on the surface of the surface layer.
It is characterized by:

The seventh aspect of the present invention provides a recording material according to any one of the first to sixth aspects,
The perforations are formed by cutting with a pressing blade whose cutting edge narrows toward the tip in the cutting direction.
It is characterized by:

The invention described in claim 8 is the recording material described in any one of claims 1 to 7 ,
The card paper is cut by a single-edged pressing blade around the periphery so that the cut surface on the side to be used as the card is straight in the cutting direction.
It is characterized by:

The invention according to claim 9 provides a recording material according to any one of claims 1 to 8 ,
the card paper has a chip between the surface layer and the adhesive layer;
The card is folded along the perforation, and is attached with the adhesive layer, and the chip is disposed on the inside of the surface layer.
It is characterized by:

The invention described in claim 10 is the recording material described in any one of claims 1 to 9 ,
The surface layer is a resin sheet having a coating layer on the surface.
It is characterized by:

According to the invention described in claim 1, it is possible to prevent toner from entering the cut portion of the perforation, compared to when the cut portion of the perforation is formed with the same width in the depth direction of the cut.

According to the invention described in claim 2, damage to the uncut portion when folding along the perforation can be suppressed.

According to the invention described in claim 3, the durability of the cutting edge can be ensured.

According to the invention described in claim 4, the structure of the cutting edge can be simplified.

According to the invention described in claim 5, when the release paper is peeled off, it is possible to prevent the release paper from remaining on the card paper side.

According to the sixth aspect of the present invention, the card paper can be easily folded along the perforations.

According to the invention described in claim 7 , the cut portion can be formed so that when viewed in cross section, it has an approximately triangular shape with the depth direction of the cut being the vertex and the surface side being one side, and when viewed in plan, it has an approximately triangular shape with one end along one direction being the vertex.

According to the eighth aspect of the present invention, the end portion of the folded card can be made flat.

According to the ninth aspect of the present invention, separation of the folded surfaces can be suppressed.

According to the invention as set forth in claim 10 , the durability of the recording material can be improved.

FIG. 2 is a plan view showing a recording material according to the embodiment. 2 is an enlarged schematic cross-sectional view of a recording material according to the embodiment; FIG. FIG. 13 is a diagram illustrating the formation of a cut for separating a recording material. 1A is an explanatory diagram of how a recording material is folded along a perforation to form an IC card, and FIG. 1B is a schematic diagram showing the bulge of the recording material that has been folded in half. 1A is an enlarged schematic view of a perforation of a recording material, and FIG. 1B is an enlarged schematic cross-sectional view of the perforation of the recording material in the cutting depth direction. 11A and 11B are diagrams illustrating the transfer of a toner image at a perforation. (a) is a schematic diagram showing the pressing blade and the recording material before the perforations are formed, (b) is a schematic diagram showing the state in which the pressing blade has made an incision in the recording material, and (c) is a schematic diagram showing an enlarged view of the formed perforations. 13 is a diagram showing the relationship between the shape of a pressing blade and the cross-sectional shape of a cut portion when the cut portion is formed by a single-edged pressing blade. FIG. 13 is a diagram showing the relationship between the shape of a pressing blade and the cross-sectional shape of a cut portion when a cut portion is formed by a pressing blade that is formed so that the cutting blade extends to the surface of the surface layer in the cutting depth direction. FIG. 11 is a diagram showing the relationship between the shape of a pressing blade and the cross-sectional shape of a cut portion when a cut portion is formed by a double-edged pressing blade. FIG. 1A is a schematic diagram showing the pressing blade of modified example 1 and the recording material before the perforations are formed, FIG. 1B is a schematic diagram showing the state in which an incision has been made in the recording material by the pressing blade of modified example 1, and FIG. 1C is a schematic diagram showing an enlarged view of the perforations of the recording material related to modified example 1 that have been formed. 1A is a schematic diagram showing the pressing blade of modified example 2 and the recording material before the perforations are formed; FIG. 1B is a schematic diagram showing the state in which an incision has been made in the recording material by the pressing blade of modified example 2; and FIG. 1C is a schematic diagram showing an enlarged view of the perforations of the recording material of modified example 2 that have been formed. 13 is an enlarged schematic cross-sectional view in a cutting depth direction of a perforation of a recording material according to Modification 3. FIG. 13 is an enlarged schematic cross-sectional view in the cutting depth direction of a perforation in which an uncut portion is longer than a cut portion. FIG. FIG. 10 is an enlarged schematic view of perforations in a recording material according to a comparative example; 11A and 11B are diagrams showing an example of the amount of bulge of a card produced by folding a recording material of a comparative example in half. 1 is a schematic cross-sectional view illustrating an example of an image forming apparatus that forms an image on a recording material.

The present invention will be described in more detail below with reference to the drawings, showing embodiments and specific examples, but the present invention is not limited to these embodiments and specific examples.
In addition, in the following explanation using the drawings, it should be noted that the drawings are schematic and the ratios of the dimensions, etc. may differ from the actual ones, and in order to make it easier to understand, illustrations other than those of parts necessary for the explanation have been appropriately omitted.

(1) Overall Configuration of the Recording Material FIG. 1 is a plan view showing the recording material 100 according to this embodiment, FIG. 2 is an enlarged schematic cross-sectional view of the recording material 100 according to this embodiment, and FIG. 3 is a diagram explaining the formation of a notch 107 for separating the recording material 100.
The overall structure of the recording material 100 will be described below with reference to the drawings.

(1.1) Overall structure of the recording material As shown in FIG. 1 , the recording material 100 is composed of card paper 130 consisting of a first side piece 110 and a second side piece 120 which are rectangular in shape and of the same size, and perforations 140 which serve as the planned folding lines when folding the first side piece 110 and the second side piece 120, and multiple, for example three, recording materials 100 can be separated by cuts 107.

A circuit device 150, which is an example of a chip, is disposed on the first surface piece 110. As shown in Fig. 1, the circuit device 150 has a memory member 151, such as an integrated circuit (IC) that is disposed on a part of the first surface piece 110 and stores various information, records, and other data, and a coil-shaped transceiver unit 152 that is connected to the memory member 151, is disposed on the periphery of the first surface piece 110, and is wound with a plurality of metallic wirings for transmitting and receiving data. The transceiver unit 152 also generates an electromotive force by receiving radio waves from a counterpart.
In FIG. 1, for the sake of explanation, the invisible circuit device 150 is illustrated so as to be visible.

As shown in FIG. 2, one side of the first surface piece 110 has, in order from the circuit device 150 side, a first adhesive layer 101, a base layer 102 made of a resin material such as PET, and a surface layer 104 made of a coating layer 103 processed with a white film or the like and on which an image is formed, and the other side has, in order from the circuit device 150 side, a second adhesive layer 105 that bonds the inner surfaces of the first surface piece 110 and the second surface piece 120 when folded at the perforation 140, and a release paper 106 that serves as a base. The first adhesive layer 101 on one side and the second adhesive layer 105 on the other side are bonded together, sandwiching the circuit device 150.

On one side of the second surface piece 120, there is a surface layer 104 consisting of a base layer 102 made of a resin material such as PET and a coating layer 103 that is processed such as a white film and on which an image is formed, and on the other side, there is a second adhesive layer 105 that bonds the inner surfaces of the first surface piece 110 and the second surface piece 120 together when folded at the perforation 140, and a release paper 106 that serves as a base.

In this way, the surface layer 104 of the recording material 100 is divided by the perforations 140 into a first surface piece 110 having a circuit device 150 disposed therein and a second surface piece 120 having no circuit device 150 disposed therein.

The incision 107 is made from the surface layer 104 side of the recording material 100 on which an image is formed to the second adhesive layer 105, and the release paper 106 is not incised. Therefore, the first side piece 110 and the second side piece 120 of the recording material 100 surrounded by the incision 101 can be peeled off from the release paper 106.
3, the cut 107 is made by a single-edged pressing blade 141B so that the cut surface 107a on the side of the recording material 100 to be used as a card is straight in the cut direction. This allows the edge of the card to be flattened when the card is folded along the perforation 140.

At the position where the first side piece 110 and the second side piece 120 are divided into two, a perforation 140 consisting of a cut portion 141 and an uncut portion 142 lined up in one direction on the card paper 130 is formed as a cut by means of Thomson processing or the like.
The recording material 100, on which an image has been formed on the coating layer 103 of the surface layer 104, is cut at the notch 107 and peeled off from the release paper 106, so that the first side piece 110 and the second side piece 120 can be folded towards each other at the perforation 140.
Then, the card paper 130 peeled off from the release paper 106 can be folded at the perforations 140, sandwiching the circuit device 150 inside, and bonding the inner surfaces of the first side piece 110 and the second side piece 120 to each other with the second adhesive layer 105, so that it can be used as an IC card having the circuit device 150 inside.

(2) Structure of the recording material and formation of an IC card FIG. 4(a) is an explanatory diagram of folding the recording material 100 at the perforation 140 to form an IC card, (b) is a diagram showing the bulge of the recording material 100 folded in half, FIG. 5(a) is an enlarged schematic diagram showing the perforation 140 of the recording material 100, (b) is an enlarged schematic cross-sectional view of the perforation 140 of the recording material 100 in the cutting depth direction, FIG. 6 is a diagram explaining the transfer of a toner image at the perforation 140, and FIG. 7(a) shows the pressing blade 141A and the recording material before the perforation 140 is formed. FIG. 15 is a schematic enlarged view of perforation 240 of recording material 200 in a comparative example; FIG. 16 is a diagram showing an example of the amount of bulge of a card created by folding recording material 200 in half in a comparative example; and FIG. 17 is a schematic cross-sectional view showing an example of an image forming apparatus for forming an image on recording material.

(2.1) Formation of an IC card When creating an IC card using recording material 100, as an example, first, a sheet of paper P from which recording material 100 can be separated at a notch 107 is set in image forming apparatus 1 shown in Figure 17, and a predetermined image is formed on coating layer 103 of surface layer 104 of recording material 100.
In the image forming apparatus 1, paper P designated in a print job is fed from a paper feeder 20 to an image forming section 10 in accordance with the timing of image formation.

Above the paper feed device 20, photoconductor units 13 each having a rotating photoconductor drum 31 are arranged in parallel. On each photoconductor drum 31 on which an electrostatic latent image is formed by the exposure device 12, a toner image of yellow (Y), magenta (M), cyan (C) or black (K) is formed by the developing roll 42 of each developing device 14.

The toner images of each color formed on the photoconductor drum 31 of each photoconductor unit 13 are electrostatically transferred (primary transfer) in sequence onto the intermediate transfer belt 51 of the transfer device 15, forming a superimposed toner image in which the toners of each color are superimposed. The superimposed toner images on the intermediate transfer belt 51 are transferred collectively by applying a transfer electric field by the secondary transfer roller 52 at the secondary transfer section TR onto the coating layer 103 of the paper P sent out from the registration roller pair 24 and guided by the transport guide.

The paper P onto which the toner image has been transferred in one go in the transfer device 15 is transported to the fixing nip NP of the fixing device 16 via a transport guide while the toner image is not yet fixed, and the toner image is fixed by the action of heat and pressure applied by a pair of heating modules 16A and pressure modules 16B.

The paper P with an image formed on the coating layer 103 of the surface layer 104 is separated as the recording material 100 at the notch 107, and as shown diagrammatically in FIG. 4(a), it is folded at the perforation 140 and the inside surfaces of the first side piece 110 and the second side piece 120 are placed facing each other and pressed together, so that the second adhesive layers 105 of each piece are bonded together to form an IC card having a circuit device 150 inside.

As shown in FIG. 4(b), the folded recording material 100 has a flat shape as a card with the first side piece 110 and the second side piece 120 bonded together by the second adhesive layer 105 (see FIG. 2). However, over time (number of days left unattended), the first side piece 110 and the second side piece 120 tend to return to their original shape and may swell.

In the comparative example, the recording material 200 is connected by a perforation 240 that serves as the planned folding line when the first side piece 110 and the second side piece 120 are folded. As shown in the enlarged partial view of FIG. 15, the perforation 240 has cut sections 241 that are cut from the surface layer 104 side to the second adhesive layer 105 and uncut sections 242 that have no cut, each of which has the same length L0 (e.g., 0.5 mm) and is arranged alternately.

An IC card in which the first side piece 110 and the second side piece 120 of the comparative recording material 200 configured in this manner are folded in half at the perforation 240 is bonded together by the second adhesive layer 105 and initially assumes a flat shape as a card. However, as shown in Figure 16, after about 10 days have passed since it was folded in half, the amount of expansion (corresponding to a-b in Figure 4) may exceed 3 mm.
It is presumed that this is because the memory member 151 of the circuit device 150 is sandwiched between the inside of the first surface piece 210 and the second surface piece 220 which are bonded together with the second adhesive layer 105, and therefore the uncut portion 242 of the perforation 240 cannot be bent sufficiently, resulting in increased bending stiffness.

For example, if the cut portion 241 is made large and the uncut portion 242 is made small in order to reduce bending stiffness, there is a risk that toner may easily get into the cut when an image is formed in the portion where the cut portion 241 is formed. If toner gets into the cut, the toner may not melt completely even when heated and pressed in the fixing nip portion NP of the fixing device 16, which may cause poor fixing or fixing offset.
Furthermore, if the uncut portion 242 is made smaller, the strength of the uncut portion 242 is reduced, and there is a risk that the uncut portion 242 may be damaged when folded at the perforation 240 .

(2.2) Perforations As shown diagrammatically in FIG. 5, the perforations 140 formed as intended folding lines of the recording material 100 are arranged in alternating fashion in which cut sections 141 are cut in one direction of the card paper 130 from the surface layer 104 side to the second adhesive layer 105, and uncut sections 142 that have no cut.
The cut portion 141 and the uncut portion 142 are formed on the surface of the surface layer 104 of the recording material 100 such that the cut portion 141 (L1 in FIG. 5) is longer than the uncut portion 142 (L2 in FIG. 5) (L1>L2), making it easier to bend at the perforation 140.

As shown diagrammatically in FIG. 5(b), the cut portion 141 is formed so that in a cross section in the cut depth direction (Z direction in the figure) parallel to one direction of the card paper 130 (X direction in the figure), the surface 104a of the surface layer 104 is larger than the deepest part of the cut. Specifically, the cut portion 141 is formed in a roughly triangular shape with the apex 141a being the deepest part in the cut depth direction in the cross section. In particular, the triangular shape is a right-angled triangle, and the cross sections of adjacent cut portions 141 are formed with right-angled triangles lined up in the same direction.

As a result, compared to the comparative recording material 200 in which the cut portion 141 of the perforation 140 is formed with the same width in the depth direction of the cut, the size of the cut portion 141 is the same on the surface side of the surface layer 104, but is smaller on the side closer to the second adhesive layer 105, making it possible to suppress toner from entering the cut portion 141 of the perforation 140. Also, as shown diagrammatically in FIG. 6, compared to the comparative recording material 200 in which the cut portion 141 is formed with the same width in the depth direction of the cut (see FIG. 6(b)), the transfer electric field at the secondary transfer portion TR is more likely to act on the cut portion (see FIG. 6(a)), making it possible to suppress transfer defects at the perforation 140.

As shown in FIG. 5A, the cut portion 141 is formed in a generally triangular shape in a plan view intersecting the cut depth direction, with one end 141b along one direction of the card paper 130 being the apex. This makes it possible to prevent toner from entering the cut portion 141, compared to the comparative recording material 200 in which the cut portion 141 of the perforation 140 is formed with the same width along one direction of the card paper 130.

The cut of the cutting portion 141 is formed by a pressing blade 141A having a cutting edge 141Aa that gradually narrows toward the tip of the cut as shown in Fig. 7. The pressing blade 141A is formed so that the cross section of the cutting edge 141Aa is substantially triangular as shown in Fig. 7(a) (viewed along the arrows A-A).
7B, the pressing blade 141A is pressed against the recording material 100 from the surface layer 104 side, and the cutting depth is adjusted so that the apex 141Ac of the cutting blade 141Aa reaches the second adhesive layer 105 but does not reach the release paper 106. This makes it possible to prevent the release paper 106 from remaining on the card paper 130 side when peeling it off.

8 to 10 illustrate the relationship between the pressing blade 141A and the cross-sectional shape of the cutting portion 141 in a direction (Y direction) intersecting one direction of the perforations 140. FIG.
The cut portion 141 is formed in a so-called wedge shape from the surface layer 104 in the cutting depth direction, but by making the cutting edge 141Aa of the pressing blade 141A a single-edged edge, the width in the direction intersecting one direction of the cut portion 141 (referred to as the slit width W) is made narrower than when using both edges, and exposure of the second adhesive layer 105 is reduced.

FIG. 10 shows the relationship between the shape of the pressing blade 141A and the cross-sectional shape of the cutting portion 141 when the cutting portion 141 is formed by the pressing blade 141A having two edges.
10, when cut portion 141 is formed by double-edged pressing blade 141A, slit width W1 of cut portion 141 becomes wider than that of a single-edged pressing blade, and more of second adhesive layer 105 is exposed. When slit width W1 becomes wider, toner easily enters the cut and adhesive material (indicated by arrows in the figure) easily protrudes from the cut surface of second adhesive layer 105, so that when folded at perforation 140, dirt easily adheres to the folded portion.

Figure 8 shows the relationship between the shape of the pressing blade 141A and the cross-sectional shape of the cutting portion 141 when the cutting portion 141 is formed with a single-edged pressing blade 141A. In this case, the slit width W2 of the cutting portion 141 is smaller than with a double-edged blade (see Figure 10), and less of the second adhesive layer 105 is exposed (indicated by the arrow in the figure). This makes it difficult for toner to get into the cut, and reduces the amount of adhesive material spilling out from the cut surface of the second adhesive layer 105.

Figure 9 also shows the relationship between the shape of the pressing blade 141A and the cross-sectional shape of the cutting portion 141 when the cutting portion 141 is formed with the pressing blade 141A formed so that the cutting edge 141Aa extends to the surface of the surface layer 104 in the cutting depth direction. In this case, the slit width W3 of the cutting portion 141 is smaller than that of a double-edged blade (see Figure 10), and the second adhesive layer 105 is less exposed (shown by the arrow in the figure). This makes it difficult for toner to enter the cut, and reduces the adhesive substance from spilling out from the cut surface of the second adhesive layer 105. In addition, the transfer electric field at the secondary transfer portion TR is more likely to act on the cut portion, suppressing transfer defects at the perforations 140.

"Variation 1"
Figure 11 (a) is a schematic diagram showing the pressing blade 141A of modified example 1 and the recording material 100 before the formation of the perforation 140, (b) is a schematic diagram showing the state in which a cut has been made in the recording material 100 with the pressing blade 141A of modified example 1, and (c) is a schematic diagram showing an enlarged view of the perforation 140 of the formed recording material 100 of modified example 1.
11A, the pressing blade 141A of the modified example is formed on both sides in the blade width direction (X direction) so that the cutting edge 141Aa gradually narrows toward the tip in the cutting direction. Then, as shown in FIG. 11B, the pressing blade 141A is pressed against the recording material 100 from the surface layer 104 side, and the cutting depth is adjusted so that the apex 141Ac of the cutting edge 141Aa reaches the second adhesive layer 105 but does not reach the release paper 106.

When cut with such a pressing blade 141A, as shown in FIG. 11(c), the cut portion 141 is formed into an isosceles triangle shape in a cross section in the cut depth direction (Z direction in the figure) parallel to one direction (X direction in the figure) of the card paper 130, with the deepest part in the cut depth direction being the apex 141a. This makes it easier for the transfer electric field at the secondary transfer unit TR to act evenly on both sides of the cut, and makes it possible to suppress transfer defects at the perforations 140.

Figure 12(a) is a schematic diagram showing the pressing blade 141A of modified example 2 and the recording material 100 before the formation of the perforation 140, (b) is a schematic diagram showing the state in which a cut has been made in the recording material 100 with the pressing blade 141A of modified example 2, and (c) is a schematic diagram showing an enlarged view of the perforation 140 of the recording material 100 related to modified example 2 that has been formed.
As shown in Fig. 12A, the pressing blade 141A of the modified example 2 is formed on both sides in the blade width direction (X direction) so that the cutting edge 141Aa gradually narrows toward the tip in the cutting direction. As shown in Fig. 12B, the pressing blade 141A is pressed against the recording material 100 from the surface layer 104 side, and the cutting depth is adjusted so that the apex 141Ac of the cutting edge 141Aa reaches the second adhesive layer 105 but does not reach the release paper 106.

When such a pressing blade 141A is used to make the cut, as shown in FIG. 12(c), the cut portion 141 is formed into an isosceles triangle shape with the same width on the side closer to the surface of the surface layer 104, and the deepest part in the depth direction of the cut being the apex 141a on the side closer to the second adhesive layer 105, in a cross section in the depth direction of the cut (Z direction in the figure) parallel to one direction of the card paper 130 (X direction in the figure). By making the cut with such a pressing blade 141A, it is possible to prevent toner from getting into the deep part of the cut while preventing a decrease in the durability of the cutting edge 141Aa of the pressing blade 141A.

"Variation 3"
FIG. 13 is an enlarged schematic cross-sectional view of a perforation 140 of a recording material 100 according to Modification 3 in the cutting depth direction.
In the perforation 140 of the recording material 100 according to the third modification, the cut portion 141 is formed in a right-angled triangular shape with the deepest part in the depth direction of the cut being the apex 141a in a cross section in the cut depth direction (Z direction in the drawing) parallel to one direction (X direction in the drawing) of the card paper 130. In particular, the cut formed in the shape of a right-angled triangle is formed in the opposite direction with respect to the center portion C in one direction of the perforation 140 as the boundary.
As a result, when folded at the perforations 140, the bending stiffness becomes equal on both sides with respect to the central part C in one direction of the perforations 140 as a boundary, and the card tends to bulge evenly on both sides, compared with a case where the card is formed so that the same orientation is in one direction.

In the recording material 100 of this embodiment, the cut portion 141 of the perforation 140 is formed so that, in a cross section in the cut depth direction, the surface of the surface layer 104 is larger than the deepest part of the cut, thereby making it possible to suppress toner from entering the cut portion 141 while reducing the bending stiffness when folded at the perforation 140.
On the other hand, regarding the ratio of lengths L1, L2 of cut portion 141 and uncut portion 142 of perforation 140, uncut portion 142 may be formed longer than cut portion 141, as shown in Fig. 14. If uncut portion 142 is shorter than cut portion 141, the uncut portion 142 connected by surface layer 104 will be reduced, and there is a risk that surface layer 104 of uncut portion 142 will crack and be damaged when folded at perforation 140. By making uncut portion 142 longer than cut portion 141, damage to uncut portion 142 of folded perforation 140 can be suppressed.

Reference Signs List 100, 200: Recording material 110: First side piece 120: Second side piece 101: First adhesive layer 102: Base material layer 103: Coating layer 104: Surface layer 105: Second adhesive layer 106: Release paper 130: Card paper 140, 240: Perforations 141, 241: Cutting section 142, 242: Uncut section 141A: Pressing blade 141Aa: Cutting blade 150: Circuit device 151: Memory member 152: Transmitting/receiving section

Claims (10)

a card paper including a surface layer containing a resin and an adhesive layer below the surface layer;
a release paper on the adhesive layer side that is integral with the card paper;
a perforation formed of cut portions and uncut portions alternately arranged in one direction of the card paper, the cut portions being larger at the surface of the surface layer than at the deepest portion in a cross section in a cut depth direction parallel to the one direction, and the perforation being formed so as to have a substantially triangular shape with one end along the one direction as a vertex in a plan view intersecting the cut depth direction;
A recording material characterized by: The cut portion is formed in a triangular shape with the deepest part in the cut depth direction in the cross section as the apex and the surface side as one side.
2. The recording material according to claim 1. The triangular shape is a right triangle.
3. The recording material according to claim 2. In the cross sections of the two cut portions adjacent to each other by the perforation, the right-angled triangles are arranged in the same direction.
4. The recording material according to claim 3. The cut portion is formed such that a cut penetrates the surface layer in the cross section but does not reach the release paper.
5. The recording material according to claim 1, wherein the recording material is a recording medium. The cut portion is formed longer than the uncut portion on the surface of the surface layer.
6. The recording material according to claim 1, The perforations are formed by cutting with a pressing blade formed so that the cutting edge narrows toward the tip in the cutting direction and the cross-sectional shape is approximately triangular .
7. The recording material according to claim 1, wherein the recording material is a fluororesin. The card paper is cut by a single-edged pressing blade around the periphery so that the cut surface on the side to be used as the card is straight in the cutting direction.
8. The recording material according to claim 1, wherein the recording material is a recording medium. the card paper has a chip between the surface layer and the adhesive layer;
The card is folded along the perforation, and is attached with the adhesive layer, and the chip is disposed on the inside of the surface layer.
9. The recording material according to claim 1, wherein the recording material is a recording medium. The surface layer is a resin sheet having a coating layer on the surface.
10. The recording material according to claim 1,

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