JP4742725B2 - card - Google Patents
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- JP4742725B2 JP4742725B2 JP2005218479A JP2005218479A JP4742725B2 JP 4742725 B2 JP4742725 B2 JP 4742725B2 JP 2005218479 A JP2005218479 A JP 2005218479A JP 2005218479 A JP2005218479 A JP 2005218479A JP 4742725 B2 JP4742725 B2 JP 4742725B2
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Description
本発明は、キャッシュカードやクレジットカード、ＩＣカード、個別情報識別カード、ゲームカード等のカードに係わり、パターン、文字などのがカード裏面から周囲光が透過することにより目視にて視認可能な、偽造防止性に優れるとともに、意匠性にも優れたカードに関する。 The present invention relates to a card such as a cash card, a credit card, an IC card, an individual information identification card, a game card, etc., and patterns, characters, etc. can be visually recognized by transmitting ambient light from the back of the card. It is related with the card | curd which was excellent also in the design nature while being excellent in prevention property.
従来から、キャッシュカードやクレジットカード、ＩＣカード、個別情報識別カード、ゲームカード等の分野において、カードが普及するにつれ、不正な偽造により悪用される恐れも高まっており、偽造防止技術はカード製造における重要な技術の１つとなっている。特に最近はコピー機、スキャナー、パソコンが普及し、かつ写真と同程度にまで性能が向上するに伴い、それほど精巧な偽造でなければ、コピー機、スキャナー、パソコンを使用することによって、簡単に偽造される恐れも出てきている。そこで、従来より各種の偽造防止技術が提案され、また実用化されている。 Conventionally, as cards have spread in the fields of cash cards, credit cards, IC cards, individual information identification cards, game cards, etc., there is an increased risk of being misused by illegal forgery. One of the important technologies. In recent years, as copiers, scanners, and computers have become widespread, and performance has improved to the same level as photographs, forgeries can be easily counterfeited by using copiers, scanners, and computers, unless it is so sophisticated. There is also a fear of being done. Therefore, various anti-counterfeiting techniques have been proposed and put into practical use.
例えば、コピー機やスキャナーの解像力が印刷の解像力よりも劣っていることを応用した技術であり、その１つはコピー機の解像力を超える微細な文字を印刷しておき、ルーペを用いて、その有無で真偽を目視判定するものである。また、コピー機の解像力を越える細かい万線や網点等を、その見た目の濃度が同じ濃度でコピー機の解像力で対応できる細かさの万線や網点で形成した柄の中に潜像として印刷しておき、これをコピーすると潜像が現れることで、目視で真偽判定する技術もある。また、特殊インキによる文字やマークを印刷しておく技術もある。例えば、透明な蛍光インキを印刷しておき、ブラックライト等を用いて紫外線を照射してその有無により目視で真偽判定するものである。或いは、多層膜の干渉色が変化するのを巧みに利用した、見る角度によって色相が変化する色相変化インクを印刷しておき、色相変化の有無から目視判定する技術もある。 For example, it is a technology that applies the fact that the resolution of a copier or scanner is inferior to that of printing. One of them is printing fine characters that exceed the resolution of a copier, and using a loupe, Whether the image is true or not is visually determined. In addition, fine lines and halftone dots that exceed the resolving power of the copy machine can be used as latent images in patterns formed by fine lines and halftone dots that can be handled with the resolving power of the copier at the same density. There is also a technique for visually authenticating a latent image by printing it and copying it. There is also a technique for printing characters and marks using special ink. For example, transparent fluorescent ink is printed, ultraviolet light is irradiated using a black light or the like, and the authenticity is visually determined by the presence or absence thereof. Alternatively, there is also a technique of skillfully utilizing a change in interference color of a multilayer film, printing a hue change ink whose hue changes depending on a viewing angle, and visually judging from the presence or absence of the hue change.
一方、各種カードが大量に普及するに伴い、同業者の他のカードとの差別化もカード発行者にとっては重要な要素となっており、カードの外観上のデザインはその一つである。例えばバンクカード等では、人気のキャラクターを盛り込む等と何種類かのデザインのカードを用意し、カード所有者の趣向に応じられる様にしているものもある。この様に、カードの用途によっては、カードがただ単にその目的の為に機能すれば良いというものでは無くなってきている。そこで、例えば、落ちついたシックなデザイン、或いは豪華でステータスを感じさせるデザイン、若さを感じさせるデザイン等とデザインを工夫して、その用途、所有者の趣向等に応じている。この様な点から、偽造防止に有効で、デザイン上に機能を持たせたカードが注目されている。 On the other hand, as various cards become widely used, differentiation from other cards in the same company is an important factor for the card issuer, and the design on the appearance of the card is one of them. For example, some bank cards, etc. are prepared with several types of designs, including popular characters, so that they can be adapted to the cardholder's preferences. In this way, depending on the use of the card, the card is no longer simply functioning for that purpose. Therefore, for example, a calm chic design, a gorgeous and status-like design, a design that makes you feel young, and the like are devised to meet the purpose, the taste of the owner, and the like. In this respect, cards that are effective in preventing counterfeiting and have functions on the design are drawing attention.
偽造防止性に有効で、デザイン上に機能を持たせたカードとして、例えば、カード基材内または表面に光透過率の異なる領域をパターン状に形成し、カード裏面より光をあてることにより、光透過率の異なるパターンが認識できるカードが提案されている（例えば、特許文献１参照）。しかし、この構成は光の透過の差を見るだけであり、光の色の単色パターンを強い光源のある場所でしか見ることができなかったり、光の弱いところではパターンがはっきりと見たりすることができないという問題点がある。 As a card with anti-counterfeiting effectiveness and a function on the design, for example, by forming areas with different light transmittance in the card base material or on the surface in a pattern and applying light from the back of the card, A card capable of recognizing patterns having different transmittances has been proposed (see, for example, Patent Document 1). However, this configuration only looks at the difference in light transmission, so you can only see a monochromatic pattern of light color in a place with a strong light source, or you can see the pattern clearly in a weak light place. There is a problem that can not be.
下記に特許文献を記す。
本発明は、上記の問題点に着目してなされたもので、特別な照明装置などの検証器具を必要とせず、カード裏面から周囲光が透過することにより文字や図柄が目視にて視認可能な、偽造防止性に優れるとともに、意匠性にも優れたカードを提供することを目的とする。 The present invention has been made paying attention to the above-mentioned problems, and does not require a special verification device such as a lighting device, and allows characters and designs to be visually recognized by transmitting ambient light from the back of the card. An object of the present invention is to provide a card that has excellent anti-counterfeiting properties and excellent design properties.
上記課題を解決するために、すなわち、請求項１に記載の発明は、透明性の高い樹脂シート基材の片面の全面または一部に、少なくとも、光透過性の高い第１の着色インキ層、パターン状の光透過性の低い第２の着色インキ層、第２のインキ層と同色の光透過性の高い第３の着色インキ層が順次積層されてなり、周囲光がカード裏面から透過することにより、上記パターンが目視にて認識されるように構成したことを特徴とするカードである。 In order to solve the above-mentioned problem, that is, the invention according to claim 1 includes, on the entire surface or a part of one surface of a highly transparent resin sheet substrate, at least a first colored ink layer having a high light transmittance, A second colored ink layer having a low light transmittance in a pattern and a third colored ink layer having the same color as that of the second ink layer are sequentially laminated so that ambient light is transmitted from the back side of the card. Thus, the card is characterized in that the pattern is recognized visually.
請求項２に記載の発明は、前記カードのもう一方の面の裏面に、第２のインキ層と同色の光透過性のある第３の着色インキ層が積層されてなることを特徴とする請求項１に記載のカードである。 The invention according to claim 2 is characterized in that a third colored ink layer having the same color as that of the second ink layer is laminated on the back surface of the other surface of the card. The card according to item 1.
請求項３に記載の発明は、前記カードの第３の着色インキ層の上に、光散乱性のインキ層が積層されてなることを特徴とする請求項１または２に記載のカードである。 The invention according to claim 3 is the card according to claim 1 or 2, wherein a light-scattering ink layer is laminated on the third colored ink layer of the card.
本発明により、カードを物の上に置いたときには文字や図柄が視認できず、カードを持ち上げるなどして、特別な照明装置を必要とせず、文字や図柄が見える程度の周囲光が透過することによりカラーの文字や図柄がはっきりと目視にて確認できるため、偽造防止性に優れるとともに、意匠性にも優れたカードを提供することができる。 According to the present invention, when a card is placed on an object, characters and designs are not visible, and the card is lifted, so that no special lighting device is required, and ambient light that allows the characters and designs to be seen is transmitted. Therefore, it is possible to provide a card that has excellent anti-counterfeiting properties and excellent design properties.
以下、図面を用いて本発明の実施の形態を説明する。図１は、本発明の一実施例としてのカードをある物の上に置いた場合や、ある物に重ねた場合の見え方を示す平面図である。図２は、図１のカードを持ち上げた場合の平面図である。図３は、図２のカードのＸ−Ｘ’における断面図である。図４は、本発明の一実施例としてのカードをある物の上においた場合や、ある物に重ねた場合の見え方を示す平面図である。図５は、図４のカードを持ち上げた場合の平面図である。図６は、図５のカードのＹ−Ｙ’における断面図である。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing the appearance when a card according to an embodiment of the present invention is placed on a certain object or stacked on a certain object. FIG. 2 is a plan view when the card of FIG. 1 is lifted. FIG. 3 is a cross-sectional view taken along the line X-X ′ of the card in FIG. 2. FIG. 4 is a plan view showing the appearance when a card as an embodiment of the present invention is placed on a certain object or stacked on a certain object. FIG. 5 is a plan view when the card of FIG. 4 is lifted. 6 is a cross-sectional view taken along the line Y-Y ′ of the card of FIG. 5.
図１に示す本発明のカードにおいて、透過性の低いものの上においたときや透過性の低いものに重ねたときには、光透過性の高い第１の印刷層２１が見えず、光透過性の低い第２のインキ層２２のパターンと通常の印刷層２５が見えているだけである。しかし、この図１のカードを持ち上げることにより、図２の平面図で示すように、光透過性のある第１の印刷層２１を目視で見ることができる。また、図４に示す本発明のカードにおいて、透過性の低いものの上においたときや透過性の低いものに重ねたときには、光透過性の高い第１の印刷層２１が見えず、カードに一部に設けた光透過性の低い第２のインキ層２２のパターンと通常の印刷層２５が見えているだけである。しかし、この図４のカードを持ち上げることにより、図５の平面図で示すように光透過性のある第１の印刷層２１を目視で見ることができる。 When the card of the present invention shown in FIG. 1 is placed on a low-permeability card or stacked on a low-permeability card, the first printed layer 21 having a high light-permeability cannot be seen, and the light-transmittance is low. Only the pattern of the second ink layer 22 and the normal printing layer 25 are visible. However, when the card of FIG. 1 is lifted, as shown in the plan view of FIG. 2, the light-transmitting first printed layer 21 can be visually observed. In addition, when the card of the present invention shown in FIG. 4 is placed on a low-permeability card or stacked on a low-permeability card, the first printed layer 21 having a high light-transmitting property cannot be seen, and the card is not completely covered. The pattern of the 2nd ink layer 22 with low light transmittance provided in the part and the normal printing layer 25 are only visible. However, by lifting the card shown in FIG. 4, the first print layer 21 having optical transparency can be visually observed as shown in the plan view of FIG.
透明カード基材１１およびオーバーシート１２の材料としては、通常のカード基材で透明なものであれば特に限定されるものではなく、例えばポリ塩化ビニル（ＰＶＣ）製のものであり、ポリ塩化ビニル（ＰＶＣ）以外でも、例えば、ＰＥＴ−Ｇ（ポリエチレンテレ
フタレートにおけるエチレングリコール成分３０％をシクロヘキサンジメタノールで置換した共重合ポリエステル樹脂）、アクリルニトリル‐ブタジエン‐スチレン共重合体樹脂（ＡＢＳ）など透明性の高い樹脂であれば使用可能である。
The material of the transparent card substrate 11 and the oversheet 12 is not particularly limited as long as it is a normal card substrate and is transparent. For example, it is made of polyvinyl chloride (PVC). In addition to (PVC), for example, PET-G (copolyester resin in which ethylene glycol component 30% in polyethylene terephthalate is substituted with cyclohexanedimethanol), acrylonitrile-butadiene-styrene copolymer resin (ABS), etc. Any high resin can be used.
光透過性の高い第１の着色インキ層２１は、光透過性の高いインキであれば特に問題なく、印刷方式についても限定されず、例えば、オフセット印刷でもスクリーン印刷でも良い。透過して見えるパターン部分が１色で良いのであればベタでも良いし、透けて見える部分をカラー画像にしたければ、透過性の低いインキが印刷されてない部分に、画像を印刷することによって、カラー画像が透けて見えるようになる。 The first colored ink layer 21 having a high light transmittance is not particularly limited as long as it is an ink having a high light transmittance, and the printing method is not limited. For example, offset printing or screen printing may be used. If the pattern part that can be seen through can be a single color, it can be solid, or if you want to make the part that shows through a color image, print the image on the part where the ink with low transparency is not printed. The color image becomes visible.
光透過性の低い第２の着色インキ層２２は、通常使用している着色インキで良く、光をなるべく透過しないように、顔料濃度の高いインキやインキ層の厚みを厚くする必要はあるが、特別なインキを使用することはない。 The second colored ink layer 22 having low light transmittance may be a commonly used colored ink, and it is necessary to increase the thickness of the ink or ink layer having a high pigment concentration so as not to transmit light as much as possible. No special ink is used.
光透過性の高い第３の着色インキ層２３は、光透過性の低い第２の着色インキ層２２と同色の色、または近い色で、濃度が薄いものが好ましい。光散乱性のインキ層２４は、光透過性が高く、かつ光散乱するようなインキが好ましい。 The third colored ink layer 23 having a high light transmittance preferably has the same color as or a color close to that of the second colored ink layer 22 having a low light transmittance and a low density. The light-scattering ink layer 24 is preferably an ink that has high light permeability and light scattering.
通常の印刷画像２５は、通常の画像で、カードを置いたときにも見せるために印刷するもので、常に見せるべき文字や画像、意匠性のために設けたりするもので、特にあってもなくても良い。 The normal print image 25 is a normal image that is printed for display even when the card is placed, and is provided for the characters, images, and design that should always be displayed. May be.
本発明を具体的な実施例を挙げて詳細に説明する。 The present invention will be described in detail with specific examples.
＜実施例１＞
０．５４ｍｍ厚のカード基材に０．１ｍｍのオーバーシートを熱ラミネートし、このカード基材に通常のプロセスのシアンインキを使用し、スクリーン印刷により全面に印刷した。この上に、墨インキをスクリーン印刷により文字・図柄を印刷し、その上に顔料が低濃度の墨インキを全面に印刷し、その上に光散乱性のインキをスクリーン印刷し、カードのパターン部およびその周囲の光透過濃度をＭａｃｂｅｔｈＴＤ−９１８のビジュアルフィルターで測定し、下記表１の透過濃度になるように印刷して、本発明のカードを得た。
<Example 1>
A 0.14 mm oversheet was heat-laminated on a card substrate having a thickness of 0.54 mm, and cyan ink of a normal process was used for the card substrate, and the entire surface was printed by screen printing. On top of this, black ink is printed with characters and designs by screen printing, black ink with a low concentration of pigment is printed on the entire surface, light-scattering ink is screen printed on it, and the card pattern area And the light transmission density of the surroundings was measured with a Macbeth TD-918 visual filter, and printed so as to have the transmission density shown in Table 1 below to obtain a card of the present invention.
得られたカードは、机にカード置いたときにはパターンを見ることができないが、手で持ち上げたときにシアン色のパターンを見ることができるカードを得た。したがって、カードを目視で見て偽造防止性の判断ができるとともに、意匠性に優れたカードを経済的に提供できる。 The obtained card could not see the pattern when placed on the desk, but obtained a card that can see the cyan pattern when lifted by hand. Therefore, it is possible to determine the anti-counterfeiting property by visually observing the card, and it is possible to economically provide a card excellent in design.
＜実施例２＞
０．５４ｍｍ厚のカード基材に０．１ｍｍのオーバーシートを熱ラミネートし、このカード基材の一部に、通常のプロセスのマゼンダインキとシアンインキを使用してスクリーン印刷により文字・図柄を印刷し、この上に墨インキをスクリーン印刷によりパターンで印刷し、その上に顔料が低濃度の墨インキを全面に印刷し、その上に光散乱性のインキを印刷し、カードを得た。上記、印刷のされていない部分に通常の印刷を施し、逆面に顔料が低濃度の墨インキを全面に印刷し、その上にマット調のインキを印刷し、カードのパターン部およびその周囲の光透過濃度をＭａｃｂｅｔｈＴＤ−９１８のビジュアルフィルターで測定し、上記表１の透過濃度になるように印刷して、本発明のカードを得た。
<Example 2>
A 0.14 mm oversheet is heat laminated to a card substrate with a thickness of 0.54 mm, and letters and designs are printed on a part of this card substrate by screen printing using magenta ink and cyan ink of a normal process. On this, black ink was printed in a pattern by screen printing, black ink having a low concentration of pigment was printed on the entire surface, and light scattering ink was printed thereon to obtain a card. The above-mentioned non-printed part is subjected to normal printing, and on the opposite side, a black ink with a low concentration of pigment is printed on the entire surface, and a matte ink is printed thereon, and the card pattern portion and its surroundings are printed. The light transmission density was measured with a Macbeth TD-918 visual filter and printed to obtain the transmission density shown in Table 1 above to obtain a card of the present invention.
得られたカードは、机にカードを置いたときにはパターンを見ることができないが、手で持ち上げたときにマゼンダとシアンの文字や図柄のパターンを見ることができるカードを得た。したがって、カードを目視で見て偽造防止性の判断ができるとともに、意匠性に優れたカードを提供できる。 The resulting card cannot be seen when the card is placed on the desk, but it can be seen when it is lifted by hand to see magenta and cyan letters and patterns. Therefore, it is possible to determine the anti-counterfeiting property by visually observing the card and to provide a card having excellent design properties.
１ カード
１１ 透明カード基材
１２ オーバーシート
２１ 光透過性の高い第１の着色インキ層
２２ 光透過性の低い第２の着色インキ層
２３ 光透過性の高い第３の着色インキ層
２４ 光散乱性のインキ層
２５ 通常の印刷画像
DESCRIPTION OF SYMBOLS 1 Card 11 Transparent card base material 12 Oversheet 21 1st colored ink layer with high light transmittance 22 2nd colored ink layer with low light transmittance 23 3rd colored ink layer with high light transmittance 24 Light scattering Ink layer 25 Normal printed image
Claims (3)
前記パターンは前記第２の着色インキ層が形成されていない部分で構成され、かつ前記パターンに該当する部分には前記第１の着色インキ層と前記第３の着色インキ層が形成されており、周囲光がカード裏面から透過することにより、上記パターンが目視にて認識されるように構成したことを特徴とするカード。 At least a first colored ink layer having a high light transmittance, a second colored ink layer having a low light transmittance in a pattern, and a second ink on the entire surface or a part of one surface of a highly transparent resin sheet substrate. A third colored ink layer having the same color as the layer and having a high light transmittance is sequentially laminated,
The pattern is composed of a portion where the second colored ink layer is not formed, and the portion corresponding to the pattern is formed with the first colored ink layer and the third colored ink layer, A card characterized in that the pattern is recognized visually when ambient light is transmitted from the back side of the card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005218479A JP4742725B2 (en) | 2005-07-28 | 2005-07-28 | card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005218479A JP4742725B2 (en) | 2005-07-28 | 2005-07-28 | card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007030391A JP2007030391A (en) | 2007-02-08 |
| JP4742725B2 true JP4742725B2 (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2005218479A Expired - Fee Related JP4742725B2 (en) | 2005-07-28 | 2005-07-28 | card |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5056509B2 (en) * | 2008-03-17 | 2012-10-24 | 大日本印刷株式会社 | card |
| JP6213039B2 (en) * | 2013-08-19 | 2017-10-18 | 凸版印刷株式会社 | Security sheet and polymer bill |
| JP7326940B2 (en) * | 2019-07-05 | 2023-08-16 | 凸版印刷株式会社 | Information recording medium and verification method for information recording medium |
| WO2021079752A1 (en) | 2019-10-24 | 2021-04-29 | 凸版印刷株式会社 | Heat-sensitive transfer medium and information recording body |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01193850A (en) * | 1988-01-29 | 1989-08-03 | Konica Corp | Photographic card |
| JP2003302519A (en) * | 2002-04-11 | 2003-10-24 | Tokushu Paper Mfg Co Ltd | Film with genuineness deciding function and sheet type body having genuineness deciding function using the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002347374A (en) * | 2001-05-28 | 2002-12-04 | Dainippon Printing Co Ltd | Card |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01193850A (en) * | 1988-01-29 | 1989-08-03 | Konica Corp | Photographic card |
| JP2003302519A (en) * | 2002-04-11 | 2003-10-24 | Tokushu Paper Mfg Co Ltd | Film with genuineness deciding function and sheet type body having genuineness deciding function using the same |
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| JP2007030391A (en) | 2007-02-08 |
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