JP5557187B2 - Anti-counterfeit molded body - Google Patents

Description

  The present invention relates to a print medium in which a hologram is attached to a substrate such as paper. In particular, the present invention is used for a highly valuable medium such as a banknote, a passport, and a brand protection, and can be applied to a medium that requires forgery prevention and authenticity determination.

  As a method for enhancing a security function for preventing forgery by attaching a hologram to the surface of a card medium such as a magnetic card or a paper medium such as a banknote or various securities, it is known. However, with the rapid improvement in accuracy of electronic devices such as copiers and personal computers, simple holograms have not been able to obtain sufficient functions for preventing counterfeiting. Accordingly, it has been disclosed as in the following prior inventions to form a transparent layer or a transparent portion by providing a non-metal region in a metal layer or a metal vapor deposition layer constituting a hologram.

  For example, by washing away the masking print layer of the hologram, a metal reflective layer with a desired pattern (diamond, heart, clover, spade, etc.) is provided, increasing the degree of freedom in design, and forming a fine pattern or a complex pattern. A technique is disclosed (for example, see Patent Document 1).

  Further, as a method for removing the metal vapor deposition layer of the hologram other than Patent Document 1, for example, a technique in which the metal vapor deposition layer is melted in a non-contact manner by irradiation with a laser beam such as YAG or CO2 to form a print pattern as fixed information. Is disclosed (for example, see Patent Document 2).

  Further, a technique is disclosed in which a metal vapor deposition type thermal transfer hologram sheet is partially irradiated with a laser to evaporate a metal vapor deposition layer at the irradiated portion into a slit shape or a mesh shape (for example, see Patent Document 3).

  Further, a technique is disclosed in which a print design forming unit is provided on a hologram and a watermark design forming unit is formed on the hologram metal deposition film by laser processing or etching (see, for example, Patent Document 4).

  The applicants of the present invention have a hologram image area composed of a latent image area and a latent image background area on the surface of the diffraction grating formed on one surface of the hologram forming layer. The area includes a latent image line having a first line width made of a light transmissive member and a first light reflection area made of a light reflective member formed on the background of the latent image line. The image background area includes a latent image background line having a second line width made of a light transmissive member, and a second light reflecting area made of a light reflective member formed on the background of the latent image background line. A hologram sheet characterized in that the line widths of the latent image line and the latent image background line are different has already been filed.

  As a result, the hologram image area of the printing substrate on which the hologram sheet and the hologram forming layer of the present invention have been adhered with an adhesive is, when viewed in a reflected state, a latent image image area and a latent image background area made of a light reflective member. Although the hologram effect can be visually recognized by the diffracted light or the reflected light by the light reflection region, the latent image line and the latent image background line formed by the light transmitting member in the hologram image region cannot be visually observed. On the other hand, when the hologram image area is viewed in a transparent state, the hologram effect cannot be visually observed, but a plurality of latent image lines in the latent image area and a plurality of latent image background areas formed by the light transmissive member in the hologram image area. A technology has been disclosed that has an effect that the latent image area can be visually recognized as a character, a mark, or a pattern due to a difference in transmitted light amount with respect to the latent image background line, a difference in direction of transmitted light, or the like (for example, patent document) 5).

JP 11-286194 A JP-A-10-333574 JP 2003-150027 A JP 2005-14492 A JP 2007-240785 A

  However, in the invention of Patent Document 1, a non-metal region is provided in the metal vapor deposition layer of the hologram to form a desired pattern (diamond heart clover spade is disclosed), and thus a design is created. Above, there is an advantage that an arbitrary pattern can be freely formed. However, from the viewpoint of security regarding forgery prevention, the desired pattern to be formed in the non-metal region in the metal vapor deposition layer by the hologram is a simple pattern, and the entire pattern pattern is formed with or without the metal vapor deposition layer. For this reason, there is a problem in terms of security because copying and copying are easy to imitate. Therefore, it has been desired to increase the forgery resistance by making the non-metal region in the metal vapor deposition layer more effective.

  In the invention of Patent Document 2, the metal vapor deposition layer of the hologram is melted in a non-contact manner by irradiation with a laser beam such as YAG or CO2, and a print pattern is formed as fixed information. As specific print patterns, management numbers, characters, and the like are disclosed, and the object and use of the present invention are achieved by recording fixed information having a size that is visible. However, when fixed information is made into a fine structure (for example, a fine line or dot aggregate), the lines and dots are very small, resulting in variations in the output of the laser beam and the laser output decreased. In this case, it is not formed as a line or a point, and conversely, when the laser output is increased, it may be larger than the line or point of the set width, so that it is not suitable to form a fine body. Therefore, when fixed information is processed with a laser beam, characters and the like that are not easily affected by variations in the output of the laser beam are suitable, and there is a problem when the fixed information has a fine structure.

  In the invention of Patent Document 3, the metal layer deposition layer of the hologram sheet is partially irradiated with a laser to evaporate the irradiated portion of the metal deposition layer into a slit shape or a mesh shape. A transparent or translucent hologram sheet is formed. For this reason, it is suitable for production in a variety of small quantities in terms of cost. However, in mass-produced products, the variation in the output of the laser beam affects, and as a result, the processing accuracy of laser processing on the metal deposition layer (removing the metal deposition layer) (Accuracy) also varies, which is not suitable when the same machining accuracy and machining quality are always required. On the other hand, an apparatus having a laser beam capable of precise processing requires a function and space for controlling heating by a laser, and the apparatus itself becomes large and the price of the apparatus becomes high, which cannot be realized at low cost.

  Further, the metal vapor-deposited layer of the hologram is evaporated by laser processing, and when viewed through the slit shape or mesh shape, it looks as if it is transparent (or translucent), thereby functioning as a pseudo-transparent hologram. The purpose of this slit or mesh is to form a transparent (or semi-transparent) hologram when viewed with the naked eye by repeatedly forming a removed portion and a non-removed portion on the metal deposition layer by laser processing. It gives a shade. However, in terms of security related to anti-counterfeiting, when determining the authenticity of a hologram, the density of “transparent (or translucent)” or “not transparent (or translucent)” is used as a standard. Since the standard differs depending on the situation, and objective judgment cannot be made, there is a problem that it is not suitable as true / false judgment means, and there is a demand for true / false judgment means that anyone can judge objectively.

  On the other hand, as the information that can be seen through when the metal vapor deposition layer of the hologram is removed by laser processing, the characters and numbers are specifically disclosed, but there is no specific description in the size of the characters. However, there is a drawback that letters and numbers can be seen in the reflected state even if it is not transparent. As a latent image effect for security, a configuration in which information cannot be seen when viewed in a more reflective state is desired. It was.

  Further, in the invention of Patent Document 4, a print design forming unit is provided on the hologram, and a watermark design forming unit is provided by laser processing or etching processing on the metal vapor deposition film of the hologram. Is a letter or number, and there is no specific description of the size of the letter, and it can be seen through the watermark, but on the other hand, the letter or number can be seen in the reflected state without being transparent, so there is a potential for security. As an image effect, a configuration in which information cannot be seen in a more reflective state has been desired.

  Further, in the invention of Patent Document 5, when the hologram image area is viewed in a transparent state, the hologram effect cannot be visually observed, but a plurality of latent image lines in the latent image area formed by the light transmissive member of the hologram image area. As the purpose and use of the present invention, the latent image area can be visually observed as characters, marks, or patterns due to the difference in the amount of transmitted light between the latent image background area and the plurality of latent image background lines, the difference in the direction of transmitted light, etc. Has been partially achieved. However, in order to obtain a further anti-counterfeit effect, it has been desired to have a function capable of determining authenticity other than visually.

  The anti-counterfeit formed body of the present invention has at least one of a plurality of hole groups formed on a base material on which a light-reflective member is laminated on a light-transmitting base material or a light-reflective ink is applied. The anti-counterfeit forming body having two invisible images, wherein the hole group includes a first opening region and a second opening arranged in a pair with a first distance along the first direction. A plurality of units having a region are regularly arranged adjacent to each other at a constant pitch, and the first opening regions in the plurality of adjacent units are arranged with a second distance, and the first opening region And the second aperture region is in an on / off relationship, and the area ratio of the aperture region is the same, and the first aperture region is formed as an aperture, i.e., on. One of the invisible image negative image or positive image is formed and the second open image is formed. By forming the region aperture, i.e. as a one, it is characterized in that the other negative image or positive image of the first invisible image is formed.

In addition, the base material of the anti-counterfeit formed body of the present invention is characterized in that at least one visible image is formed.

In addition, the first aperture region and the second aperture region of the anti-counterfeit formed body of the present invention have the longest diameter along the direction orthogonal to the first direction in order to increase the amount of transmitted light. It is formed in the shape of an ellipse, a rectangle having the longest side, or a polygon having the longest diagonal.

Moreover, the unit of the forgery prevention formed body of the present invention has a third hole area at a position where the first hole area and the second hole area do not exist, and the third hole area The second invisible image is formed.

Moreover, when the 1st opening area | region and 2nd opening area | region arrange | positioned as ON among the units arrange | positioned adjacently of the several forgery prevention formation of this invention are arrange | positioned at 1st distance The first opening area and the second opening area, which are arranged off, among the units arranged adjacent to each other without opening any one of the holes, are longer than the second distance. In order to alleviate the amount of light transmitted in the predetermined region, the fourth aperture having a half or substantially half aperture area in the first aperture region and the second aperture region The region is arranged at the center of the first aperture region and the second aperture region which are disposed at a distance longer than the second distance.

Further, the unit of the forgery-preventing formed body of the present invention further includes a fifth aperture region and a sixth aperture disposed in a pair with a first distance along a second direction perpendicular to the first direction. The fifth opening area in the unit arranged adjacent to each other is arranged with a second distance, and the fifth opening area and the sixth opening area are on, The negative area or positive image of the third invisible image is formed by turning off the fifth hole area, that is, by opening the fifth hole area. A negative image or a positive image of the third invisible image is formed by turning on, that is, opening, the sixth aperture region.

In addition, the fifth aperture region and the sixth aperture region of the anti-counterfeit formed body of the present invention have the longest diameter along the direction orthogonal to the second direction in order to increase the amount of transmitted light. It is formed in the shape of an ellipse, a rectangle having the longest side, or a polygon having the longest diagonal.

Moreover, when the 5th hole and 6th hole which are arrange | positioned as ON among the units arrange | positioned adjacently of the some forgery prevention formation of this invention are arrange | positioned at 1st distance, either one Among the units arranged adjacent to each other without opening the holes, the fifth hole area and the sixth hole area arranged as OFF are arranged at a distance longer than the second distance. In this case, in order to reduce the amount of light transmitted in the predetermined region, the seventh aperture region having a half or substantially half aperture area in the fifth aperture region and the sixth aperture region is It is characterized by being arranged at the center of the fifth aperture region and the sixth aperture region which are disposed at a distance longer than the distance of 2.

In addition, the first hole area, the second hole area, the third hole area, the fourth hole area, the fifth hole area, the sixth hole area of the anti-counterfeit formed body of the present invention. Each of the hole region and the seventh hole region has a circular shape or a polygonal shape.

Further, the predetermined pitch between the units of the forgery prevention formed body of the present invention is 1 mm or less.

In addition, the first hole area, the second hole area, the third hole area, the fourth hole area, the fifth hole area, the first hole area in the unit of the forgery prevention formed body of the present invention, Among the six aperture regions and the seventh aperture region, a part of the regions to be opened is combined and opened.

In addition, the visible image of the anti-counterfeit formed body of the present invention is characterized by being formed by a diffraction grating or a diffraction grating pattern formed by fine irregularities.

  When the hologram of the present invention is viewed in a reflected state, the hologram effect of the hologram image region can be visually observed with diffracted light or reflected light by a light reflecting member, but the transmission invisible image region formed in the hologram image region is It cannot be visually observed. On the other hand, when the hologram image region is viewed in a transparent state, the hologram effect cannot be visually observed, but the first invisible image line portion and the first invisible background line portion formed in the transmission invisible image region of the hologram image region. The transmission invisible image area can be visually recognized as a character, a mark, and a pattern due to the difference in transmitted light amount.

  Furthermore, in a state where the hologram image region is viewed in a transparent state, at least two types of invisible images appear as visible images by superimposing a lenticular lens or a line sheet on the hologram region of the substrate. That is, in the transmission invisible image area where characters, marks, or designs appear due to the difference in the amount of transmitted light, the lenticular lens or line sheet is overlapped, thereby producing an effect that more images appear. Therefore, the hologram effect is reflected in the reflection state, the first invisible image is visualized in the transmission state, and the second invisible image and the third invisible image are visualized by superimposing the lenticular lens or line sheet. It has the effect of.

  Accordingly, the present invention provides a first true / false discrimination effect that can be confirmed by visually reflected light, a second true / false discrimination effect that can be confirmed by visually transmitted light, and simple discrimination from visually transmitted light. A third true / false discrimination effect that can be confirmed with a tool is provided. Therefore, since the hologram of the present invention has three different kinds of authenticity discrimination effects for copying and copying, triple security is given. The hologram of the present invention can be obtained by applying the same effect to a substrate such as paper, film or card, and is suitable for banknotes and securities. However, the base material must be a material or material that transmits light above a certain level.

  Further, the light reflective member in the hologram image region is formed of a highly glossy metal material such as aluminum, and therefore has high resistance to copying and duplication. The reason for this is that devices such as color copiers and scanners apply strong transmitted light to the object to be copied or the object to be copied to obtain an input image. Aluminum with high light reflectivity has a high reflectance of transmitted light. Therefore, it is difficult to reproduce accurately. In addition, in the present invention, the first invisible image line part and the first invisible background line part in the transmission invisible image area formed in the light transmissive member (for example, a transparent thermoplastic resin) in the hologram image area. Are fine holes, it is very difficult to replicate each hole equally in a counterfeit.

  Moreover, even if the hologram of the present invention is affixed to a substrate, an invisible image effect due to the transmission state can be obtained. For example, a technique is disclosed in which a hole is formed in a base material itself such as paper and an invisible image can be visually observed in a transparent state. In this technique, a hole is formed in order to make a hole in the base material itself such as paper. It is inevitable that the durability and strength of the area will be reduced, but when the hologram of the present invention is directly attached to the base material, the durability of the base material itself will not be reduced, such as ATMs and ticket vending machines. There is no adverse effect on transport.

  In addition, the substrate to which the hologram of the present invention is attached is not easily conscious of the presence of a transmission invisible image region when the user visually observes with reflected light. Only when the user visually observes the transmitted light, the first invisible image provided in the transmitted invisible image area can be conscious. However, in the transmitted invisible image area, the second invisible image and the third invisible image are further displayed. It is not conscious that it is provided. That is, there is a merit that the second invisible image and the third invisible image cannot be confirmed unless they have a discriminating tool, and it is possible to provide security measures in a stepwise manner.

It is explanatory drawing which looked at the foil-shaped hologram 3 stuck on the translucent base material 1 by the "reflection state". FIG. 5 is a front view showing a state in which a plurality of symbols and their color changes can be confirmed according to an observation angle in the hologram image region 4 of the hologram 3. It is explanatory drawing observed from the predetermined | prescribed visual angle of the X direction in the "reflection state" irradiated from the light source 5 toward the surface of the transparent base material 1 which stuck the hologram 3. FIG. It is explanatory drawing observed from the predetermined | prescribed visual angle of the Y direction in the "reflection state" irradiated from the light source 5 toward the surface of the light transmissive base material 1 which stuck the hologram 3. FIG. FIG. 3 is a front view of the light-transmitting substrate 1 to which the hologram 3 is attached as viewed in a “transmission state” from the surface. FIG. 3 is an explanatory diagram of irradiation with a light source 5 from the back surface of a light transmissive substrate 1 to which a hologram 3 is pasted and viewed from the surface of the light transmissive substrate 1. In the light-transmitting base material 1 with the hologram 3 attached, the light source 5 is irradiated from the back surface of the base material, and the lenticular lens 2 as a discriminator is superposed on the surface with the hologram 3 attached. FIG. It is explanatory drawing which shows an example of the cross-sectional view in the state in which the lenticular lens 2 which is a discrimination tool overlapped with the light transmissive base material 1 to which the hologram 3 was stuck, and an image which can be visually observed. It is explanatory drawing which shows an example of the cross-sectional view in the state in which the lenticular lens 2 which is a discrimination tool overlapped with the light transmissive base material 1 to which the hologram 3 was stuck, and an image which can be visually observed. It is the schematic diagram by which the basic component of the transmission invisible image area | region 6 in the hologram 3 stuck on the light transmissive base material 1 was expanded and shown. The transparent invisible image region 6 is an explanatory diagram showing a state in which a plurality of fine units 3a to 3h are combined in a matrix. FIG. 12 is an explanatory view showing a state in which the units 3 a to 3 h shown in FIG. 11 are continuously and regularly arranged on the light-transmitting substrate 1 without a gap in a matrix. A state in which the lenticular lens 2 is superimposed on the hologram 3 on the light-transmitting substrate 1 is shown so that the center line 9 of each lens of the lenticular lens 2 as a discriminator coincides with the line L1 in FIG. It is explanatory drawing. 11 shows a state in which the lenticular lens 2 is superimposed on the hologram 3 on the light-transmitting substrate 1 so that the center line 9 of each lens of the lenticular lens 2 as a discriminator coincides with the line L3 in FIG. It is explanatory drawing. It is the figure by which the shape of each hole which comprises an invisible image was shown. It is the schematic diagram by which the basic component of the transmission invisible image area | region 6 in the hologram 3 stuck on the light transmissive base material 1 was expanded and shown. The transparent invisible image region 6 is an explanatory diagram showing a state in which a plurality of fine units 3a to 3h are combined in a matrix. FIG. 17 is an explanatory view showing a state in which the units 3 a to 3 h shown in FIG. 16 are continuously and regularly arranged on the light-transmitting substrate 1 in a matrix without a gap. The state in which the lenticular lens 2 is superimposed on the hologram 3 on the light-transmitting substrate 1 is shown so that the center line 9 of each lens of the lenticular lens 2 that is a discriminator coincides with the line L1 in FIG. It is explanatory drawing. A state in which the lenticular lens 2 is superimposed on the hologram 3 on the light-transmitting substrate 1 is shown so that the center line 9 of each lens of the lenticular lens 2 that is a discriminator coincides with the line L3 in FIG. It is explanatory drawing. It is the flowchart which showed the algorithm which performs the deletion and addition of a hole in order to relieve | moderate that density | concentration becomes imbalanced visually. It is the flowchart which showed the algorithm which performs the deletion and addition of a hole in order to relieve | moderate that density | concentration becomes imbalanced visually. FIG. 23 is a diagram illustrating a state in which holes A ′ [h, v] and holes B ′ [h, v] of unit [h, v] are deleted according to the algorithm of FIGS. 21 and 22. A view showing a state in which a hole a, a hole b, and a hole E having a space area half or substantially half of the hole A, hole A ′, hole B, or hole B ′ are added according to the algorithm of FIGS. 21 and 22. It is. FIG. 23 is an explanatory diagram showing a state where density imbalance in the naked eye is alleviated in the entire transmission invisible image region 6 according to the algorithm of FIGS. 21 and 22. FIG. 25 is an explanatory diagram showing a state in which the second invisible image and the third invisible image are applied on the same plane by superimposing the transparent invisible image region 6 in FIGS. 25A and 25B. is there.

  Embodiments of the present invention will be described with reference to the drawings. However, the present invention is not limited to the embodiments to be described below, and various other embodiments can be implemented within the scope of the technical idea described in the claims.

  First, the “hologram effect” described in the present invention means, for example, a hologram when a foil-like hologram 3 affixed to the light transmissive substrate 1 shown in FIG. In the hologram forming layer provided in 3, the color of the design is changed to a rainbow color or the image is switched to another image by the diffracted light or reflected light of the diffraction grating. The hologram forming layer is formed with fine irregularities to be a diffraction grating or a diffraction grating pattern, and can be produced by adhering a highly glossy light reflecting member such as aluminum to the irregular surface by vapor deposition or the like. Technology. A specific hologram effect refers to an effect such that a plurality of symbols and colors change depending on the viewing angle, such as a hologram attached to banknotes such as Japan and the euro. Further, the hologram effect is not limited to the effect seen in the banknote hologram, but may be the effect of a hologram attached to a known card, gift certificate, or certificate.

  The hologram sheet substrate in the manufacturing stage of the hologram 3 is preferably a transparent plastic, and for example, a known resin such as PET may be used. The light-reflecting member includes aluminum, copper, nickel, tin, or the like, but aluminum that is high in luminance and advantageous in terms of economy is suitable, and may be formed using vacuum deposition or sputtering. Moreover, when aluminum is used for the light reflective member, a thickness of 100 to 2000 mm is desirable. On the other hand, the configuration of the diffraction grating of the hologram forming layer is not particularly limited as long as a known hologram having a fine uneven pattern such as a known relief hologram or rainbow hologram is used.

(Hologram effect)
In the hologram 3 described above, a configuration capable of obtaining the unique effect of the present invention will be described. That is, as shown in FIG. 3, the light source 5 irradiates the surface of the light-transmitting substrate 1 with the hologram 3 attached (the surface with the hologram 3 attached to the light-transmitting substrate 1). When viewed in the “reflection state”, the holographic effect in which various colors and shapes individually change depending on the observation angle can be visually observed by the diffracted light from the diffraction grating. Specifically, as shown in FIG. 2, a plurality of symbols (1), (2), (3), and (4) appear in the hologram image region 4 of the hologram 3 depending on the observation angle, and the color change of the symbols Can be confirmed. For example, in FIG. 3, when viewed at a predetermined viewing angle [X1] in the X direction, the symbol “NPB” (1), when viewed at a predetermined viewing angle [X2] in the X direction, the symbol “2” (2), and When observing at a predetermined viewing angle [X3] in the X direction, the “NPB” pattern (1) different from the color when viewed from [X1] appears. On the other hand, in FIG. 4, when viewed at a predetermined viewing angle [Y1] in the Y direction, the pattern (3) of “2009”, when observed at a predetermined viewing angle [Y2] in the Y direction, (4), When viewed at a predetermined viewing angle [Y3] in the Y direction, a hologram effect is shown in which a pattern (3) “2009” different from the color when viewed from [Y1] appears. Note that there are no particular restrictions on the number of hologram images that appear depending on the observation angle and the method of image change (switching, movement, expansion, contraction, etc.) of the hologram image, and there is no problem with a single hologram effect.

(Transparent invisible image effect)
FIG. 5 shows a case where the light-transmitting substrate 1 with the hologram 3 attached is viewed from the surface in the “transmission state”. As shown in FIG. 6, when the light source 5 is irradiated from the back surface of the light transmissive substrate 1 and observed from the viewing angle [T1] of the surface of the light transmissive substrate 1, the pattern shown in FIG. It becomes like (5). At this time, although the hologram image region 4 cannot be visually observed, the transmission invisible image region 6 constituted by the fine porous group included on the hologram 3 transmits light through the light transmissive substrate 1. Furthermore, for example, “cherry blossom” provided as the first invisible image due to the difference in the amount of transmitted light between the first invisible image line portion 7 a and the first invisible background image line portion 7 b in the transparent invisible image region 6. Is visible as a visible image in a transparent state. That is, the hologram image area 4 and the transmission invisible image area 6 are superimposed on the hologram 3.

  The light-transmitting substrate 1 needs to be made of a material or material that transmits light above a certain level. Further, as an element for causing a difference in the amount of transmitted light between the first invisible image line portion 7a and the first invisible background image line portion 7b in the transparent invisible image region 6, the space area of a fine porous group called a hole Therefore, the first invisible image line portion 7a and the first invisible background line portion 7b are distinguished from each other. This porous group will be described in detail later. Further, when viewing in the transmission state, the same first invisible image appearing effect can be obtained even when the light source 5 is placed on the front surface (hologram 3 side) and viewed from the back surface. As image information to be a first invisible image provided in the transparent invisible image region 6, a character, a number, a design, a mark, or the like may be appropriately selected. On the other hand, since the first invisible image line portion 7a and the first invisible background line portion 7b made of a light-transmitting member are formed in the hologram image region 4 with fine holes and cannot be seen in the reflected state, the hologram effect The first invisible image line portion 7a and the first invisible background line portion 7b do not hinder the hologram effect.

(Appearance effect of invisible image by discriminator)
In the present invention, as shown in FIG. 7, in the light-transmitting base material 1 to which the hologram 3 is attached, the light source 5 is irradiated from the back surface of the base material, and the hologram 3 is attached to the lenticular lens 2 that is a discriminator. By superimposing them on the surface, the second and third invisible images can be easily expressed as visible images to determine whether they are true or false. The lenticular lens 2 is a transparent material and sufficiently transmits the light transmitted from the light-transmitting substrate 1.

  Then, when the lenticular lens 2 as a discriminating tool is superimposed on the light transmissive substrate 1 with a predetermined angle (this is assumed to be 0 degree), for example, “A” of the pattern (6) shown in FIG. The second invisible image 8a such as “” appears as a visible image. Further, when the lenticular lens 2 as a discriminating tool is superimposed on the light transmissive substrate 1 at an angle of 90 degrees with respect to a predetermined angle, for example, “B” of the pattern (7) shown in FIG. The third invisible image 8b like the character “is expressed as a visible image. The second invisible image 8a and the third invisible image 8b may be appropriately selected from characters, numbers, designs, marks, and the like.

  FIG. 8 is a cross-sectional view of a state in which the lenticular lens 2 as a discriminator is overlapped with the light-transmitting substrate 1 to which the hologram 3 is attached, and the center line of the lenticular lens 2 is 0 degrees as viewed from the observer. It is shown. When observing from the viewing angle [T2] of the surface of the light-transmitting substrate 1, the pattern (6) shown in FIG. 5 is negative or depending on the relative position where the lenticular lens 2 and the light-transmitting substrate 1 overlap. It looks either positive. On the other hand, FIG. 9 is a cross-sectional view of a state in which the lenticular lens 2 as a discriminator is overlapped with the light-transmitting substrate 1 to which the hologram 3 is attached, and the center line of the lenticular lens 2 is 90 degrees as viewed from the observer. The state is indicated. When observing from the viewing angle [T3] of the surface of the light transmissive substrate 1, the pattern (7) shown in FIG. 5 is negative or depending on the relative position where the lenticular lens 2 and the light transmissive substrate 1 overlap. It looks either positive. Thus, it arises by the relative position between the lenticular lens 2 and the light-transmitting substrate 1, and is within the scope of the effect of the present invention.

(Configuration of transparent invisible image)
Next, the configuration of the transparent invisible image region 6 will be described in detail. FIG. 10 schematically shows the basic components of the transmission invisible image region 6 in the hologram 3 attached to the light transmissive substrate 1, that is, the unit. The vertical and horizontal dimensions of the unit are, for example, 420 mm or less, such as 420 mm, and coincide with the pitch of the center line of the lenticular lens 2 shown in the enlarged portion of FIG. The basic component of the transmission invisible image region 6 in the hologram 3 has a region for forming a fine space portion including the hole A, the hole A ′, the hole B, the hole B ′, and the hole C, and the hole A and the hole A ′. , Hole B ′, hole B ′ and hole C have the same diameter and the same space area, and are arranged with a predetermined positional relationship. As shown in FIG. 10, hole A and hole A ′ are paired with a first distance along the first direction, that is, a distance between line L1 and line L2, and are mutually on. In an off relationship. The presence of the hole A and the hole A ′ is not visible under normal visible conditions, and either the hole A or the hole A ′ is blocked, so that the second invisible image ( The second invisible image (positive or negative) is formed only by the hole A ′. Similarly, the hole B and the hole B ′ shown in FIG. 10 are turned on and off in pairs with a first distance along the second direction, that is, a distance between the line L3 and the line L4. There is a relationship. When either the hole B or the hole B ′ is closed, the third invisible image (negative or positive) is formed only by the hole B, and the third invisible image (positive or negative) is formed only by the hole B ′. Yes. In addition, the minimum hole size P of each hole is appropriately about 25% of the side size at the unit. In this example, it was set to 105 μm.

On the other hand, the hole C shown in FIG. 10 is configured to distinguish between the first invisible image line portion 7a and the first invisible background line portion 7b in the transparent invisible image region 6 shown in FIG. Depending on the presence or absence of the hole C, a difference in the amount of transmitted light between the first invisible image line portion 7a and the first invisible background line portion 7b in the transparent invisible image region 6 is provided, and the pattern of “sakura” or the like is provided. It is possible to represent a pattern composed of arbitrary figures or characters.

(Configuration of invisible image by discriminator)
This transparent invisible image region 6 will be described in more detail. The transmission invisible image region 6 is configured by combining a plurality of fine units 3a to 3h as shown in FIG. 11 in a matrix. The first invisible image line portion 7a in the transparent invisible image region 6 is composed of four units 3a, 3b, 3c and 3d, and the first invisible background image line portion 7b is composed of unit 3e, 3f, 3g and 3h.

  The unit 3a includes the hole A and the hole B shown in FIG. 10, and the hole A is on at the position of the line L1, and off at the position of the line L2, and the hole B is at the position of the line L3. On, at the position of the line L4, it plays an off role. The unit 3b includes the hole A and the hole B ′ shown in FIG. 10, and the hole A is turned on at the position of the line L1, and turned off at the position of the line L2, and the hole B ′ is turned on the line L3. The position is off, and the position of the line L4 is on. The unit 3c includes the hole A ′ and the hole B shown in FIG. 10, and the hole A ′ is turned off at the position of the line L1, and turned on at the position of the line L2, and the hole B is connected to the line L3. The position is on and the line L4 is off. The unit 3d includes the hole A ′ and the hole B ′ shown in FIG. 10, and the hole A ′ is turned off at the position of the line L1 and turned on at the position of the line L2, and the hole B ′ The position of L3 is off, and the position of line L4 is on.

  The unit 3e includes the hole A, the hole B, and the hole C shown in FIG. 10, and the hole A is turned on at the position of the line L1 and turned off at the position of the line L2, and the hole B is turned on the line L3. The position is on at the position of, and the position of line L4 is off. The unit 3f includes the hole A, the hole B ′, and the hole C shown in FIG. 10, and the hole A is turned on at the position of the line L1 and turned off at the position of the line L2, and the hole B ′ The position of the line L3 is OFF, and the position of the line L4 is ON. The unit 3g includes the hole A ′, the hole B, and the hole C shown in FIG. 10, and the hole A ′ is turned off at the position of the line L1, and turned on at the position of the line L2. The position of the line L3 is on, and the position of the line L4 is off. The unit 3h includes the hole A ′, the hole B ′, and the hole C shown in FIG. 10, and the hole A ′ is turned off at the position of the line L1, and turned on at the position of the line L2. Is off at the position of the line L3 and on at the position of the line L4.

  FIG. 12 shows a state in which the units 3a to 3h shown in FIG. 11 are continuously and regularly arranged on the light-transmitting substrate 1 in a matrix without any gaps. FIG. 12 shows a hole A and a hole A constituting a second invisible image in a plurality of holes arranged in a matrix constituting the transmission invisible image region 6 of the hologram 3 attached to the light transmissive substrate 1. It is the schematic diagram shown simply so that each structure of ', the hole B and hole B' which comprise a 3rd invisible image, and the hole C which comprises a 1st invisible image might be understood. Note that FIGS. 12A and 12B are the same base material, and the second invisible image and the third invisible image are simply shown by thick solid lines so that the respective position configurations can be understood. FIG. 12A illustrates the position of the second invisible image “A”, and FIG. 12B illustrates the position of the third invisible image “B”.

  That is, as shown in FIG. 6, in the state where the lenticular lens 2 that is a discriminator is not overlapped, only the first invisible image is visually recognized by the transmitted light, but the second invisible image and the third invisible image. The image is not visible. On the other hand, as shown in FIG. 8 or FIG. 9, when the lenticular lens 2 is superimposed on a predetermined position on the hologram 3, the first invisible image that has been viewed until then cannot be confirmed at all. Each of the second invisible image or the third invisible image is visually recognized as a visible image. The principle of the image switching effect on the base material according to the first embodiment will be described below.

  As shown in FIG. 7 or FIG. 8, a state in which the hologram 3 is visually observed from the front with transmitted light is shown in FIG. In FIG. 13A, the center line 9 of each lens of the lenticular lens 2 which is a discriminating tool is shown as a line L1 in FIG. 11 with respect to the transmission invisible image region 6 provided in the hologram 3 by irradiation from the light source 5. A state in which the lenticular lens 2 is superimposed on the hologram 3 on the light-transmitting substrate 1 so as to coincide is shown. When the center line 9 of the lenticular lens 2 is located at the position shown in FIG. 13A, the holes A and the holes B and B ′ are located on the center line 9. Due to the characteristics of the lenticular lens, the holes A, B and B ′ located at the center line 9 appear to expand, so that a visible image with transmitted light as shown in FIG. Here, since the holes B and B ′ are in an on-off relationship and have the same area, an image formed by these is not visually recognized. For this reason, only the second invisible image “A” formed by the hole A is visible. Further, when the center line 9 of the lenticular lens 2 is at a position corresponding to the line L2 in FIG. 11, the hole A ′ appears to expand. As a result, the second invisible image “A” appears as a visible image in any of the negative and positive states.

  Next, as shown in FIG. 7 or FIG. 9, a state in which the hologram 3 is visually observed from the front with transmitted light is shown in FIG. FIG. 14A shows the lenticular lens 2 so that the center line 9 of each lens of the lenticular lens 2 serving as a discriminator coincides with the line L3 in FIG. A state where the hologram 3 is superimposed on the light-transmitting substrate 1 is shown. When the center line 9 of the lenticular lens 2 is at the position shown in FIG. 14A, the holes B, A, and A ′ are located on the center line 9. Due to the characteristics of the lenticular lens, the holes B, A, and A ′ located at the center line 9 appear to expand, so that a visible image by transmitted light as shown in FIG. Here, since the holes A and A ′ are in an on / off relationship and have the same area, an image formed by them is not visually recognized. For this reason, only the third invisible image “B” formed by the hole B is visible. Further, when the center line 9 of the lenticular lens 2 is at a position corresponding to the line L4 in FIG. 11, the hole B ′ appears to expand. As a result, the third invisible image “B” appears as a visible image in any of the negative and positive states.

  In the present invention, a lenticular lens is used as a discriminator, but the material is not limited as long as it is a material that can transmit light. For example, the same effect is confirmed even when the discriminator is a line filter. can do. In addition, since the holes A, A ′, B, B ′, and C are hardly visible at the time of observation with the lenticular lens, the visibility when the second invisible image and the third invisible image are expressed as visible images. Will not be disturbed.

  Further, the holes A, A ′, B, B ′, and C on the hologram 3 in the embodiment for carrying out the invention have rounded quadrangular shapes. However, it is not limited to such a shape, and a circle (a), a square (b), a hexagon (c), an ellipse (d), a rectangle (e), a rhombus (f), etc., as shown in FIG. Various shapes can be used. In this case, the holes A, A ′, B, B ′ and C may be different from each other. The hole A and the hole A ′ are paired and turned on and off, and the space area is the same to form the second invisible image, and the hole B and the hole B ′ are paired. Thus, the third invisible image is formed with the same space area, and the hole C is visually recognized as the first invisible image under the observation conditions shown in the present invention. If it is a thing, the shape of a hole will not be limited at all.

  Furthermore, the light-transmitting substrate 1 in the embodiment for carrying out the invention can obtain the same effect even when paper, a plastic card having transparency, plastic film, glass, nonwoven fabric or cloth is used. . For the sake of convenience, the first invisible image line portion 7a and the first invisible background line portion 7b are shown in an enlarged manner, and the actual configuration is minute and is not configured in the illustrated size. Further, it is desirable that the first invisible image line portion 7a and the first invisible background line portion 7b are not visible in the reflection state as described above, but the invisible image line or a part of the invisible image background line is reflected. Even if the structure is slightly visible in the state, the information of the transmission invisible image region 6 cannot be recognized (or is not noticed), and the visibility of the hologram effect is not significantly impaired. Is within.

(1) Embodiment 1
Next, the structure of the hole which can express the invisible image more clearly in the present invention will be described in detail. FIG. 16 schematically shows the basic components of the transmission invisible image region 6 in the hologram 3 affixed to the light transmissive substrate 1, that is, the unit. The vertical and horizontal dimensions of the unit are, for example, 420 mm or less, such as 420 mm, and coincide with the pitch of the center line of the lenticular lens 2 shown in the enlarged portion of FIG. The basic constituent elements of the transmission invisible image region 6 in the hologram 3 include a minute space portion including a hole A, a hole A ′, a hole B, a hole B ′, and a hole C, which are arranged with a predetermined positional relationship. The hole A and the hole A ′ have a horizontally long shape, and the hole B and the hole B ′ have a vertically long shape. This is to make the second invisible image and the third invisible image visible more clearly when visualized by the discriminator, and the details will be described later.

  Further, as shown in FIG. 16A, the hole A and the hole A ′ are paired with a first distance along the first direction, that is, a distance between the line L1 and the line L2. They are on and off. The hole A and the hole A ′ have the same space area. The presence of the hole A and the hole A ′ is not visible under normal visible conditions, and either the hole A or the hole A ′ is blocked, so that the second invisible image ( The second invisible image (positive or negative) is formed only by the hole A ′. Similarly, the hole B and the hole B ′ shown in FIG. 16B are turned on in pairs with the first distance along the second direction, that is, the distance between the line L3 and the line L4. , And the space area is the same. When either the hole B or the hole B ′ is closed, the third invisible image (negative or positive) is formed only by the hole B, and the third invisible image (positive or negative) is formed only by the hole B ′. Yes. The minimum hole size P of each hole is suitably about 25% of the vertical and horizontal dimensions of the unit. In this example, it was set to 105 μm. Further, the interval J between the hole A and the hole A ′ or between the hole B and the hole B ′ is arbitrary, but is preferably 105 μm, which is about 25% of the unit size. These numerical values are design values for easy processing when a space portion is provided in the hologram 3 in the first embodiment, and are not necessarily as long as the effects of the present invention can be obtained.

  On the other hand, the hole C shown in FIG. 16C distinguishes the first invisible image line portion 7a and the first invisible background line portion 7b in the transparent invisible image region 6 shown in FIG. A difference in the amount of transmitted light between the first invisible image line portion 7a and the first invisible background line portion 7b in the transmission invisible image region 6 depending on the presence or absence of the hole C. The pattern or the like can represent a pattern composed of an arbitrary figure or character. Further, the vertical and horizontal hole dimension h of the hole C is limited to half the dimension of the unit, and the size and shape are not limited as long as the effect of the present invention is obtained.

(Configuration of invisible image by discriminator)
This transparent invisible image region 6 will be described in more detail. The transparent invisible image region 6 is configured by combining a plurality of fine units 3a to 3h as shown in FIG. 17 in a matrix. There are four units 3a, 3b, 3c, and 3d that constitute the first invisible image line portion 7a in the transparent invisible image region 6, and those that constitute the first invisible background line portion 7b are units 3e and 3f. 3g and 3h. At this time, a part of the hole A, the hole A ′, the hole B, the hole B ′, and the hole C are combined and integrated as one hole for each of the units 3a to 3h. Thereby, the light transmittance increases, and the second invisible image and the third invisible image can be made clearer when visualized by the discriminator.

  The unit 3a includes a hole A shown in FIG. 16 (a) and a hole B shown in FIG. 16 (b). The hole A plays a role of turning on at the position of the line L1 and turning off at the position of the line L2. The hole B is turned on at the position of the line L3 and turned off at the position of the line L4. The unit 3b includes a hole A shown in FIG. 16A and a hole B ′ shown in FIG. 16B, and the hole A is turned on at the position of the line L1 and turned off at the position of the line L2. And the hole B ′ is turned off at the position of the line L3 and turned on at the position of the line L4. The unit 3c includes a hole A ′ shown in FIG. 16A and a hole B shown in FIG. 10B, and the hole A ′ is turned off at the position of the line L1 and turned on at the position of the line L2. The hole B plays a role of ON at the position of the line L3 and OFF at the position of the line L4. The unit 3d includes a hole A ′ shown in FIG. 16A and a hole B ′ shown in FIG. 16B. The hole A ′ is off at the position of the line L1 and on at the position of the line L2. The hole B ′ is turned off at the position of the line L3 and turned on at the position of the line L4.

  The unit 3e includes a hole A shown in FIG. 16 (a), a hole B shown in FIG. 16 (b), and a hole C shown in FIG. 16 (c), and the hole A is located at the position of the line L1. In FIG. 1, the position of the line L2 is turned on, and the hole B is turned off at the position of the line L3. The hole B is turned off at the position of the line L4. The unit 3f includes a hole A shown in FIG. 16 (a), a hole B ′ shown in FIG. 16 (b), and a hole C shown in FIG. 10 (c). The position B is on, the line L2 is off, and the hole B ′ is off at the line L3 and the line L4 is on. The unit 3g includes a hole A ′ shown in FIG. 16 (a), a hole B shown in FIG. 16 (b), and a hole C shown in FIG. 16 (c). The position B is OFF, the position of the line L2 is ON, and the hole B is ON at the position of the line L3, and the position of the line L4 is OFF. The unit 3h includes a hole A ′ shown in FIG. 16 (a), a hole B ′ shown in FIG. 16 (b), and a hole C shown in FIG. 16 (c). The position L1 is off, the position of the line L2 is on, and the hole B ′ is off at the position of the line L3, and the position of the line L4 is on.

  FIG. 18 shows a state where the units 3a to 3h shown in FIG. 17 are continuously and regularly arranged on the light-transmitting substrate 1 in a matrix without any gaps. FIG. 18 shows a hole A and a hole A constituting a second invisible image in a plurality of holes arranged in a matrix constituting the transmission invisible image region 6 of the hologram 3 attached to the light transmissive substrate 1. It is the schematic diagram shown simply so that each structure of ', the hole B and hole B' which comprise a 3rd invisible image, and the hole C which comprises a 1st invisible image might be understood. FIG. 18A and FIG. 18B are the same base material, and the second invisible image and the third invisible image are simply shown by thick solid lines so that the respective position configurations can be understood. FIG. 18A illustrates the position of the second invisible image “A”, and FIG. 18B illustrates the position of the third invisible image “B”.

  That is, as shown in FIG. 6, in the state where the lenticular lens 2 that is a discriminator is not overlapped, only the first invisible image is visually recognized by the transmitted light, but the second invisible image and the third invisible image. The image is not visible. On the other hand, as shown in FIG. 8 or FIG. 9, when the lenticular lens 2 is superimposed on a predetermined position on the hologram 3, the first invisible image that has been viewed until then cannot be confirmed at all. Each of the second invisible image or the third invisible image is visually recognized as a visible image. The principle of the image switching effect on the base material according to the first embodiment will be described below.

  FIG. 19 shows a state where the hologram 3 is visually observed from the front with transmitted light as shown in FIG. 7 or FIG. In FIG. 19A, the center line 9 of each lens of the lenticular lens 2 which is a discriminating tool is shown as a line L1 in FIG. 17 with respect to the transmission invisible image region 6 provided in the hologram 3 by irradiation from the light source 5. A state in which the lenticular lens 2 is superimposed on the hologram 3 on the light-transmitting substrate 1 so as to coincide is shown. When the center line 9 of the lenticular lens 2 is located at the position shown in FIG. 19A, the holes A and the holes B and B ′ are located on the center line 9. Due to the characteristics of the lenticular lens, the holes A, B, and B ′ located at the center line 9 appear to expand, so that a visible image with transmitted light as shown in FIG. Here, since the holes B and B ′ are in an on-off relationship and have the same area, an image formed by these is not visually recognized. For this reason, only the second invisible image “A” formed by the hole A is visible. Further, when the center line 9 of the lenticular lens 2 is at a position corresponding to the line L2 in FIG. 17, the hole A ′ appears to expand. As a result, the second invisible image “A” appears as a visible image in any of the negative and positive states.

  Next, as shown in FIG. 7 or FIG. 9, a state in which the hologram 3 is visually observed from the front with transmitted light is shown in FIG. FIG. 20A shows the lenticular lens 2 so that the center line 9 of each lens of the lenticular lens 2 as a discriminator matches the line L3 in FIG. A state where the hologram 3 is superimposed on the light-transmitting substrate 1 is shown. When the center line 9 of the lenticular lens 2 is at the position shown in FIG. 20A, the holes B, A, and A ′ are positioned on the center line 9. Due to the characteristics of the lenticular lens, the holes B, A, and A ′ positioned at the center line 9 appear to expand, so that a visible image by transmitted light as shown in FIG. Here, since the holes A and A ′ are in an on / off relationship and have the same area, an image formed by them is not visually recognized. For this reason, only the third invisible image “B” formed by the hole B is visible. Further, when the center line 9 of the lenticular lens 2 is at a position corresponding to the line L4 in FIG. 17, the hole B ′ appears to expand. As a result, the third invisible image “B” appears as a visible image in any of the negative and positive states.

(2) Embodiment 2
Even in the state of the transparent invisible image region 6 shown in FIG. 12 or FIG. 18, the invisible image is applied to the naked eye. However, due to the relationship of the units arranged in a matrix, the applied holes are When adjacent to each other or when the distance between the holes is equal to or greater than the second distance, the transmitted light amount of light partially appears dark (dark), or the transmitted light amount of light partially increases (brighter). ) And the concentration may appear imbalanced with the naked eye.

  In order to alleviate the appearance of this concentration imbalance, deletion and addition of holes are executed for each unit [h, v], which is the minimum unit, by the algorithm shown in FIG. [V] is the number of steps obtained by counting the unit from the top and [h] is the number of steps obtained by counting the unit from the left and right. First, in the process f1, the holes A [h, v] and the holes A ′ [h, v] are sequentially detected at the unit [h, v] for each column arranged in a matrix. The method for detecting the hole A [h, v] and the hole A ′ [h, v] is generally performed in a unit to be processed when the printed pattern 3 is a binary image in the bitmap format, for example. The hole A [h, v] or the hole A ′ [h, v] may be identified and deleted by a process called labeling.

  Next, when the condition of having a hole A ′ [h, v] in unit [h, v] and having a hole A [h, v + 1] in unit [h, v + 1] is satisfied in process f2 In the process f3, the hole A ′ [h, v] that is the position where the unit is originally arranged in the unit [h, v] is deleted. That is, as shown in FIG. 23A, when the unit [h, v], unit [h, v + 1], and unit [h, v + 2] are arranged, the hole A ′ [h] of the unit [h, v] , V] and unit [h, v + 1] hole A [h, v] are adjacent to each other, unit [h, v] hole A ′ [h, v] as shown in FIG. ] Is deleted. If the condition of the process f2 is not met, the process proceeds to process 4. Further, by partially removing the hole A ′, the total area of the hole A ′ is smaller than the total area of the hole A.

  Next, in process f4 shown in FIG. 21, unit [h, v] has hole A [h, v], and unit [h, v + 1] has hole A '[h, v]. When the conditions are met, a hole a [h, v] is added to the center position where the hole A ′ in unit [h, v] and the hole A in unit [h, v + 1] are arranged in the process f5. . That is, as shown in FIG. 24B, half of the hole A or the hole A ′ is located at an intermediate position where the hole A ′ of the unit [h, v] and the hole A of the unit [h, v + 1] are originally arranged. Or the hole a which has a substantially half space area is added. As a result, the density imbalance in the naked eye between the unit [h, v] and the unit [h, v + 1] is alleviated.

  Next, in process f6 shown in FIG. 21, unit [h, v] has a hole A ′ [h, v], unit [h, v + 1] has no hole, and unit [h, v + 2]. ] Is matched with the condition having the hole A [h, v] in step f7, the hole E [h, v + 1] is added to the unit [h, v + 1]. That is, as shown in FIG. 24C, a space area that is half or substantially half of the hole A or the hole A ′ is arranged at the center position where the hole A and the hole A ′ in the unit [h, v + 1] are arranged. A hole E is added. As a result, the density imbalance in the naked eye between the unit [h, v] and the unit [h, v + 2] is alleviated.

  Next, in process f8 shown in FIG. 21, unit [h, v] has a hole A ′ [h, v], unit [h, v + 1] has no hole, and unit [h, v + 2]. ], When the condition having the hole A ′ [h, v] is satisfied, the hole A ′ and the unit of the hole E [h, v + 1] and unit [h, v + 1] in the unit [h, v + 1] are united in the process f9. The hole a [h, v + 1] is added to the center position where the hole A of [h, v + 2] is arranged. That is, as shown in FIG. 24D, a space area that is half or substantially half of the hole A or the hole A ′ is arranged at the center position where the hole A and the hole A ′ in the unit [h, v + 1] are arranged. The hole a is added, and the hole a is added at the center position where the hole A ′ of unit [h, v + 1] and the hole A of unit [h, v + 2] are arranged. As a result, the density imbalance in the naked eye between the unit [h, v] and the unit [h, v + 2] is alleviated. As a result, the second non-visible image in the transparent invisible image region is completely invisible by reducing the macroscopic density imbalance of the second invisible image as shown in FIG. To make it possible.

  On the other hand, hole deletion and addition are executed for each unit [h, v], which is the minimum unit, by the algorithm shown in FIG. First, in the process f11, the holes B [h, v] and the holes B ′ [h, v] are sequentially detected in the unit [h, v] for each column arranged in a matrix. The method for detecting the hole B [h, v] and the hole B ′ [h, v] is, for example, generally in the unit to be processed when the printed pattern 3 is a binary image in the bitmap format. The hole B [h, v] or the hole B ′ [h, v] may be identified and deleted by a process called labeling.

  Next, when the condition of having a hole B ′ [h, v] in unit [h, v] and having a hole B [h + 1, v] in unit [h + 1, v] is met in process f12 In the process f13, the hole B ′ [h, v], which is the position where the unit is originally arranged in the unit [h, v], is deleted. That is, as shown in FIG. 23C, when the unit [h, v], unit [h + 1, v], and unit [h + 2, v] are arranged, the hole B ′ [h] of the unit [h, v] , V] and the hole B [h, v] of the unit [h + 1, v] are adjacent to each other, as shown in FIG. 23 (d), the hole B '[h, v] of the unit [h, v]. ] Is deleted. If the condition of the process f2 is not met, the process proceeds to the process 14. Further, by partially removing the hole B ′, the total area of the hole B ′ is smaller than the total area of the hole B.

  Next, in process f14 shown in FIG. 22, unit [h, v] has hole B [h, v], and unit [h + 1, v] has hole B ′ [h + 1, v]. When the conditions are met, the hole b [h, v] in the unit [h, v] is added in the process f15. That is, as shown in FIG. 24 (f), a space half or substantially half of the hole B or the hole B ′ is located between the hole B ′ in the unit [h, v] and the hole B in the unit [h + 1, v]. A hole b having an area is added. This alleviates the density imbalance between the unit [h, v] and the unit [h + 1, v] with the naked eye.

  Next, in process f16 shown in FIG. 22, unit [h, v] has a hole B ′ [h, v], unit [h + 1, v] has no hole, and unit [h + 2, v ] In the process [f17], the hole E [h + 1, v] is added to the unit [h + 1, v]. That is, as shown in FIG. 24 (g), a space area that is half or substantially half of the hole B or the hole B ′ is arranged at the center position where the hole B and the hole B ′ in the unit [h + 1, v] are arranged. A hole E is added. As a result, the density imbalance in the naked eye between the unit [h, v] and the unit [h + 2, v] is alleviated.

  Next, in process f18 shown in FIG. 22, unit [h, v] has a hole B ′ [h, v], unit [h + 1, v] has no hole, and unit [h + 2, v ], In the process f19, the hole E [h + 1, v] and the hole b [h + 1, v] are added in the unit [h + 1, v]. That is, as shown in FIG. 24 (h), a space area that is half or substantially half of the hole B or the hole B ′ is arranged at the center position where the hole B and the hole B ′ in the unit [h + 1, v] are arranged. The hole E having the hole B ′ and the hole B ′ of the unit [h + 1, v] and the hole B of the unit [h + 2, v] are arranged at the center position of the hole B or the hole B ′, or a space area that is approximately half of the hole B or the hole B ′. A hole b having is added. As a result, the density imbalance in the naked eye between the unit [h, v] and the unit [h + 2, v] is alleviated. As a result, the third non-visible image in the transparent invisible image region is completely invisible by alleviating the density imbalance of the third invisible image with the naked eye as shown in FIG. To make it possible.

  Furthermore, as shown in FIG. 26, by arranging the holes shown in FIGS. 25 (a) and 25 (b) on the same plane of the transmission invisible image region, the lines L1 and L1 By overlapping the lenticular lens 3 so as to coincide with the directions of the lines L3 and L4, the second invisible image is visually recognized in the lines L1 and L1, and the third invisible lines in the lines L2 and L4. An invisible image is visually recognized. Further, in the present invention, description is made with two types of invisible images as shown in FIG. 26, but the state shown in FIG. 25 (a) or FIG. 25 (b), that is, by the lenticular lens 3 is used. One type of invisible image may appear.

1 Base material 2 Lenticular lens 3 Hologram 3a-3h unit
4 Hologram image area 5 Light source 6 Transmission invisible image area 7a First invisible image line part 7b First invisible background line part 8a Second invisible image 8b Third invisible image 9 Center line [X1] Viewing angle [X2 ] Viewing angle [X3] Viewing angle [T1] Viewing angle [T2] Viewing angle [T3] Viewing angle A, A 'Hole B, B' Hole C Hole J Hole spacing L1 Line L2 Line L3 Line L4 Line h Vertical and horizontal hole dimension P Minimum hole dimension S dimension

Claims (10)

At least one invisible image composed of a plurality of hole groups is formed on a base material on which a light reflecting member is laminated on a light transmissive base material or at least one visible image is formed with a light reflective ink. An anti-counterfeit formed body comprising:
In the hole group, a plurality of units having a first hole area and a second hole area arranged in pairs with a first distance along a first direction are regularly adjacent to each other at a constant pitch. Arranged,
The first aperture regions in the plurality of adjacently arranged units are arranged with a second distance,
The first aperture region and the second aperture region are in an on-off relationship, and the area ratio of the aperture region is the same,
By forming the first aperture region as an aperture, that is, ON, either the negative image or the positive image of the first invisible image is formed,
By forming the second aperture region as an aperture, that is, ON, the other of the negative image or the positive image of the first invisible image is formed,
The unit has a third aperture region at a position where the first aperture region and the second aperture region do not exist,
A forgery-preventing formed body, wherein a second invisible image is formed by the third aperture region.   The first aperture region and the second aperture region have an ellipse having a longest diameter and a longest side along a direction orthogonal to the first direction in order to increase the amount of transmitted light. The anti-counterfeit forming body according to claim 1, wherein the anti-counterfeit forming body is formed in a rectangular shape or a polygonal shape having a longest diagonal line. Among the plurality of adjacently arranged units, when the first aperture region and the second aperture region disposed as ON are disposed at the first distance, either one of the holes is disposed. Without opening,
Of the plurality of adjacently arranged units, the first opening area and the second opening area arranged as OFF are predetermined when they are arranged at a distance longer than the second distance. In order to alleviate the amount of light transmitted in the first region, a fourth aperture region having a half or substantially half aperture area in the first aperture region and the second aperture region is provided in the second aperture region. The anti-counterfeit forming body according to claim 1 or 2, wherein the anti-counterfeit forming body is disposed at the center of the first aperture region and the second aperture region which are disposed at a distance longer than the distance. The unit further includes a fifth aperture region and a sixth aperture region that are arranged in pairs with the first distance along a second direction orthogonal to the first direction,
The fifth aperture region in the plurality of adjacently arranged units is arranged with the second distance,
The fifth opening area and the sixth opening area are in an on-off relationship, and the area ratio of the opening area is the same,
By turning on, i.e., opening, the fifth opening area, a negative image or a positive image of the third invisible image is formed, and turning on, i.e., opening, the sixth opening area. 4. The forgery prevention formed body according to any one of claims 1 to 3, wherein the other of the negative image or the positive image of the third invisible image is formed. The fifth aperture region and the sixth aperture region have an ellipse having a longest diameter and a longest side along a direction orthogonal to the second direction in order to increase the amount of transmitted light. The anti-counterfeit forming body according to claim 4 , wherein the anti-counterfeit forming body is formed in a rectangular shape or a polygonal shape having a longest diagonal line. Among the plurality of adjacently arranged units, when the fifth opening and the sixth opening arranged as ON are arranged at the first distance, one of the holes is opened. Without
Of the plurality of adjacently arranged units, when the fifth hole area and the sixth hole area arranged as OFF are arranged at a distance longer than the second distance, a predetermined value is set. In order to reduce the amount of transmitted light in the second region, a seventh aperture region having a half or substantially half aperture area in the fifth aperture region and the sixth aperture region is provided in the second aperture region. 6. The forgery-preventing formed body according to claim 4 or 5 , wherein the anti-counterfeit forming body is disposed at the center of the fifth aperture region and the sixth aperture region which are disposed at a distance longer than the distance. The first aperture region, the second aperture region, the third aperture region, the fourth aperture region, the fifth aperture region, the sixth aperture region, and the first aperture region 7. The forgery-preventing shaped body according to claim 6 , wherein each of the aperture regions 7 has a circular shape or a polygonal shape.   The forgery prevention formed body according to any one of claims 1 to 7, wherein a predetermined pitch between the units is 1 mm or less. The first hole area, the second hole area, the third hole area, the fourth hole area, the fifth hole area, and the sixth hole in the unit. 9. The reference to claim 6, 7 or claim 6, 7, wherein a part of the region to be opened is combined and opened out of the region and the seventh opening region. The forgery prevention formation according to any one of the above .   10. The forgery-preventing formed body according to claim 1, wherein the visible image is formed by a diffraction grating or a diffraction grating pattern formed by fine irregularities.

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