JPH10850A - Printed matter - Google Patents
Printed matterInfo
- Publication number
- JPH10850A JPH10850A JP17440096A JP17440096A JPH10850A JP H10850 A JPH10850 A JP H10850A JP 17440096 A JP17440096 A JP 17440096A JP 17440096 A JP17440096 A JP 17440096A JP H10850 A JPH10850 A JP H10850A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- printed matter
- copy
- glossy surface
- lustered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Printing Methods (AREA)
- Cleaning In Electrography (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は，カラーコピー機を
用いた偽造複写物に対する真偽判別機能を持たせた印刷
物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed matter having a function of determining the authenticity of a forged copy using a color copier.
【０００２】[0002]
【従来の技術】近年、カラーコピー機の技術的進歩によ
り、高度な偽造防止対策が施されているはずの銀行券、
商品券、株券等の有価証券、入場券、招待券、定期券等
の印刷物の偽造物が出回るようになり、社会問題となっ
ている。これらの偽造を防止する対策として、従来から
印刷物の一部を銀インキで情報の一部を印刷しておけ
ば、この印刷物がカラーコピーされて複写物が作成され
た場合に、印刷物の銀インキによる光沢感のある銀色が
複写物では再現されず灰色となるため、偽造された複写
物であることが判別可能となり、偽造防止効果のあるこ
とが知られている。また、特開平７−３０９０６２号公
報では、印刷物中に目視では判らないように、ピッチが
異なるスクリーン線数で形成された大きさの異なる２種
類の網点で濃度バランスのとれた２種の特定パターンを
隣接して構成しておき、カラーコピーされると、この濃
度バランスが崩れて特定パターンが顕在化するようにし
たコピー牽制パターン印刷物が提案されている。これは
解像度が不足していて微小な網点の再現がしにくいカラ
ーコピー機の欠陥を突いたものである。2. Description of the Related Art In recent years, banknotes that must have been subjected to advanced counterfeit prevention measures due to technological advances in color copiers,
Counterfeit printed matter such as securities such as gift certificates and stock certificates, admission tickets, invitation tickets, commuter passes and the like have become circulating, which has become a social problem. As a countermeasure to prevent such counterfeiting, if a part of the printed matter has been printed with silver ink in the past, if the printed matter is copied in color and a copy is made, the silver ink of the printed matter will be used. The glossy silver color is not reproduced in the copy but becomes gray, so that it is possible to determine that the copy is a forged copy, and it is known that the copy has an anti-counterfeit effect. In Japanese Patent Application Laid-Open No. 7-309062, two types of halftone dots having different densities formed by screen rulings having different pitches and having different densities are provided so as to be visually invisible in printed matter. There has been proposed a copy check pattern printed matter in which patterns are formed adjacent to each other, and when a color copy is performed, the density balance is lost and a specific pattern becomes apparent. This is due to a defect of a color copier which lacks resolution and makes it difficult to reproduce minute halftone dots.
【０００３】[0003]
【発明が解決しようとする課題】ところで、銀インキは
アルミなどの金属粉をビヒクルに混ぜることによって作
成されており、その反射表面はマクロ的にみると粗面で
あるため、カラーコピー機の光源からその表面の法線に
対して４５°の角度で照射された光をかなり乱反射し、
その表面の法線に対して０°方向に設置されているＣＣ
Ｄ等の受光部にはその反射光の一部がとどき、カラーコ
ピー機は銀インキ面を光沢感のない薄い灰色系の色相に
再現する。しかしながら、このような印刷物の銀インキ
面の弱い輝きのある銀色から複写物の薄い灰色への変化
はインパクトが不足し、人によっては変化の異常さに気
がつかず、カラーコピーされた複写（偽造）物を本物の
印刷物と見間違えることもあり、またこの程度の変化で
は偽造行為を牽制する力が不足しているという問題があ
る。また、銀インキの場合は、インキ層を厚くしないと
反射率を高めることができず、表面の平坦性、平滑性が
要求されるＩＤカード、定期乗車券等には使用しにくい
という問題もある。コピー牽制パターン印刷物の場合、
カラーコピー機による複写物は、潜在的に隠されていた
警告文字や図形等のパターンが顕在化するインパクトの
ある変化があり、目視で容易に偽造された複写物である
ことの識別が可能となり、偽造行為又は偽造物の使用を
牽制する効果がある。しかし、今後さらにカラーコピー
機の解像度等の性能が向上していくと、カラーコピー機
の再現性も向上し、コピー牽制パターン印刷物の偽造防
止効果が薄れていくことが予想される。このコピー機の
技術的進歩に対抗してさらに精彩な網点印刷を施せばよ
いが、より高精度な製版、印刷技術を必要とし、印刷コ
ストが高くなるという問題がある。本発明は、前述の問
題点に鑑みてなされたもので、目視だけで複写された偽
造物であることが容易に判定でき、しかも印刷精度が従
来のレベルにあっても、偽造防止効果を失わない印刷物
の提供を目的とする。By the way, silver ink is prepared by mixing a metal powder such as aluminum into a vehicle, and its reflection surface is rough when viewed macroscopically. From the light emitted at an angle of 45 ° to the surface normal
CC installed at 0 ° direction to the normal of the surface
A part of the reflected light reaches the light receiving portion such as D, and the color copier reproduces the silver ink surface in a light gray hue without gloss. However, such a change in the silver color of the printed material from the silvery surface with a weak shine to the light gray color of the copy has insufficient impact, and some people are not aware of the abnormality of the change, and the color copy (forgery). There is a problem that a printed matter may be mistaken for a genuine printed matter, and such a change has a problem that the ability to control counterfeiting is insufficient. Further, in the case of silver ink, the reflectance cannot be increased unless the ink layer is thickened, and there is a problem that it is difficult to use it for an ID card, a regular ticket, or the like that requires flatness and smoothness of the surface. . In the case of a printed copy check pattern,
Copies produced by color copiers have a potentially impactful change that reveals potentially hidden patterns such as warning characters and graphics, making it easy to visually identify forged copies. It has the effect of preventing counterfeiting or the use of counterfeiting. However, if the performance of the color copier, such as the resolution, is further improved in the future, it is expected that the reproducibility of the color copier will be improved, and the effect of preventing forgery of the printed copy check pattern will be reduced. It is sufficient to perform more vivid halftone printing to counter the technical progress of this copier, but there is a problem that higher precision plate making and printing techniques are required, and printing costs are increased. The present invention has been made in view of the above-described problems, and can be easily determined to be a fake copied only by visual inspection, and even if the printing accuracy is at a conventional level, the forgery prevention effect is lost. Not intended to provide printed matter.
【０００４】[0004]
【課題を解決するための手段】前記課題を解決するため
になされた本発明は、全面若しくは一部に光沢面を形成
した基材上に個別情報表示を行い、且つ、光沢面の少な
くとも一部を目視可能としておくことによって、印刷物
（本物）と複写物（偽物）における光沢面の色変化を激
しくして、目視による真偽判別を容易にする。さらに、
前記光沢面の４５°照射、０°受光反射率を３０％未満
とすれば、より一層真偽判別が容易になる。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides individual information display on a base material having a glossy surface formed on the entire surface or a part thereof, and at least a part of the glossy surface. Are made visible, the color change on the glossy surface of the printed matter (genuine) and the copied matter (fake) is intensified, and it is easy to visually determine the authenticity. further,
When the 45 ° irradiation and the 0 ° light receiving reflectance of the glossy surface are set to less than 30%, the authenticity can be more easily determined.
【０００５】[0005]
【発明の実施の形態】以下図面に従って、本発明を詳細
に説明する。図１は本発明による印刷物の原理説明図で
ある。一般にカラーコピー機では、図１に示すように複
写しようとする原稿面の法線に対して４５°の角度で光
源から光を照射し、原稿面で反射散乱する光のうち原稿
面の法線に対して０°方向に反射する光を受光部で捉
え、その強さを読み取る方式が採られている。なお、本
出願において、角度をいうときはすべて原稿面（印刷物
面）の法線に対する角度とする。また、原稿は多色印刷
物の場合が多く、この多色印刷物面から受光部にとどく
反射光の３原色成分の強弱が計測され、それに応じて原
稿の有する濃度階調、色調の再現がなされている。図１
（ａ）は一般の白色紙面の場合で、照明光は原稿の表面
で反射散乱し、その０°方向に反射した光だけが受光部
に到達し、その強弱が計測され、それに応じた濃度に再
現される。通常の白色紙面の場合の反射分布は略均等で
０°方向の反射率は次に述べる光沢面よりは大きく、コ
ピー機による複写物では白として再現される。しかし、
原稿面に光沢面として例えば鏡面に近い金属光沢面が形
成されている場合には、図１（ｃ）に示すように、４５
°で照射された照明光は鏡面に近い金属光沢面で殆ど−
４５°の方向に正反射して、反射光は０°方向にある受
光部には殆どとどかない。従って鏡面に近い金属光沢面
は複写物では輝きを失った黒色として再現されてしま
う。また、従来の銀インキの場合は、図１（ｂ）に示す
ように、反射散乱の程度が一般の白色紙面よりも低く、
正反射方向に反射光分布が偏位していて、一般の白色紙
面と鏡面に近い金属光沢面との中間的反射特性を示し、
前述のように複写物では輝きのない薄い灰色に複写され
る。この光沢面の「輝き」は、種々な角度から照射され
ている光の中の一部が光沢面の全面あるいは一部によっ
て正反射されて目に入ってくるためであるが、カラーコ
ピー機では正反射光の受光がされず、また正反射面の再
現もできないためこの輝きの再現は不可能である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings. FIG. 1 is a diagram illustrating the principle of a printed matter according to the present invention. In general, in a color copier, as shown in FIG. 1, light is emitted from a light source at an angle of 45 ° with respect to the normal of the original surface to be copied, and the normal line of the original surface out of the light reflected and scattered on the original surface. A method is adopted in which light reflected in the direction of 0 ° is captured by a light receiving unit and its intensity is read. In the present application, all angles are angles with respect to the normal line of the document surface (printed material surface). In many cases, the original is a multi-color printed matter, and the intensity of the three primary color components of the reflected light reaching the light receiving portion from the surface of the multi-color printed matter is measured, and the density gradation and color tone of the original are reproduced accordingly. I have. FIG.
(A) is the case of a general white paper surface, the illumination light is reflected and scattered on the surface of the original, only the light reflected in the 0 ° direction reaches the light receiving unit, and the intensity is measured, and the density is adjusted according to the intensity. Will be reproduced. The reflection distribution in the case of a normal white paper surface is substantially uniform, and the reflectance in the 0 ° direction is larger than that of a glossy surface described below, and is reproduced as white in a copy made by a copying machine. But,
When a glossy surface, for example, a metallic glossy surface close to a mirror surface is formed on the document surface, as shown in FIG.
The illumination light irradiated at ° is almost
The light is specularly reflected in the direction of 45 °, and the reflected light hardly reaches the light receiving portion in the direction of 0 °. Therefore, a metallic glossy surface close to a mirror surface is reproduced as black with no brightness in a copy. Further, in the case of the conventional silver ink, as shown in FIG. 1 (b), the degree of reflection and scattering is lower than that of a general white paper surface.
Reflected light distribution is deviated in the regular reflection direction, showing intermediate reflection characteristics between a general white paper surface and a metallic glossy surface close to a mirror surface,
As described above, the copy is copied in a light gray color with no shine. The “brightness” of the glossy surface is because part of the light emitted from various angles is specularly reflected by the entire or part of the glossy surface and enters the eyes. Since no regular reflection light is received and the regular reflection surface cannot be reproduced, it is impossible to reproduce the shine.
【０００６】以上述べたカラーコピー機における４５°
照射光と０°反射光の比率、すなわち４５°照射、０°
受光反射率（以下反射率４５−０という）は次式であら
わすことができる。 反射率４５−０ ＝ ０°反射光量／４５°照射光量
× １００ 発明者は印刷物上に形成された光沢面の反射率４５−０
と複写物の再現色との相関を調べたところ、表１に示す
相関関係があることを確かめた。[0006] In the color copier described above, 45 °
Ratio of irradiation light and 0 ° reflection light, that is, 45 ° irradiation, 0 °
The light receiving reflectance (hereinafter referred to as reflectance 45-0) can be represented by the following equation. Reflectivity 45-0 = 0 ° reflected light / 45 ° irradiated light
× 100 The inventor found that the reflectance of the glossy surface formed on the printed matter was 45-0.
When the correlation between the color and the reproduction color of the copy was examined, it was confirmed that there was a correlation shown in Table 1.
【０００７】[0007]
【表１】 以上の計測に供した光沢面は、アルミ蒸着面であって、
蒸着基材の表面粗さをコントロールすることによって、
反射率４５−０の異なる光沢面を得た。また反射率４５
−０の計測はマクベスプリントコントラストメーター
「ＰＣＭ−２」によりビジュアルフィルターを使用して
行っている。また、複写物の反射濃度は、マクベス反射
濃度計ＲＤ−９１８Ｓ（ビジュアルフィルター）型によ
って計測したもので、この反射濃度計の場合は、照明光
は４５°から照射して、０°で反射する光量を受光部が
捉え、反射濃度換算が行われている。さらに、目視感覚
による欄は、印刷物では光沢面を、複写物では光沢面相
当部の再現色を目視により表現し、また評価の欄では印
刷物と複写物とを１０人の人間に見せ、一見して本物と
偽物の判別が付くかどうかを確認し、判別がついた人の
数を記している。[Table 1] The glossy surface used for the above measurement is an aluminum vapor-deposited surface,
By controlling the surface roughness of the deposition substrate,
A different glossy surface with a reflectivity of 45-0 was obtained. Moreover, the reflectance 45
The measurement of −0 is performed using a Macbeth print contrast meter “PCM-2” using a visual filter. The reflection density of the copy is measured by a Macbeth reflection densitometer RD-918S (visual filter). In this reflection densitometer, illumination light is emitted from 45 ° and reflected at 0 °. The light receiving unit captures the amount of light and performs reflection density conversion. Further, the column based on the visual sensation visually expresses the glossy surface of the printed matter, and the reproduced color of the portion corresponding to the glossy surface of the copy, and visually presents the printed matter and the copy to ten persons in the evaluation column. It checks whether it can be distinguished from genuine and fake, and indicates the number of people who have been identified.
【０００８】表１の結果から、印刷物において固有の色
相をもって明るく輝いて見える光沢面が複写物では輝き
のない黒あるいは濃い灰色に変化すれば、その変化は明
白であり、誰が見てもその変化に気が付くし、印刷物
（本物）を良く知らない者が複写物を見てもその異常さ
が判るので、この光沢面の激しい変化が及ぼす真偽判定
機能の強化と偽造防止効果は極めて大きいものがある。
本発明による印刷物の課題は、光沢面のこの激しい変化
を利用して解決することができる。そしてこのような変
化をもたらす光沢面は、上記の相関関係から判るよう
に、マクベスプリントコントラストメーター「ＰＣＭ−
２」を用いて計測した反射率４５−０が３０％未満の範
囲にある金属光沢面によって得られることが判る。逆に
反射率４５−０が３０％以上であると金属光沢面自体が
弱い輝きのある灰色となり、これが複写物では輝きのな
い薄い灰色となって再現され、変化にインパクトがな
く、従来の銀インキを用いた場合と同程度の変化しか示
さなくなる。従って反射率４５−０の３０％を真偽判定
を容易にする境界値と見做すことができる。From the results shown in Table 1, if the glossy surface, which looks bright and shines with a specific hue in the printed matter, changes to black or dark gray, which does not shine in the copy, the change is obvious, and the change is obvious to anyone. The person who is not familiar with the printed matter (genuine article) can see the abnormality even by looking at the copy, so the sharpness of the glossy surface greatly enhances the authenticity judgment function and the forgery prevention effect is extremely large. is there.
The problem of the printed matter according to the invention can be solved by taking advantage of this severe change in the glossy surface. As can be seen from the above correlation, the glossy surface that causes such a change is represented by a Macbeth print contrast meter “PCM-
It can be seen that the reflectance 45-0 measured using "2" is obtained by a metallic glossy surface having a range of less than 30%. Conversely, if the reflectance 45-0 is 30% or more, the metallic glossy surface itself becomes a gray with a weak shine, which is reproduced as a light gray with no shine in a copy, and has no impact on the change. Only a change comparable to that with ink is shown. Therefore, 30% of the reflectance 45-0 can be regarded as a boundary value for facilitating the authenticity determination.
【０００９】以下反射率４５−０が３０％未満の金属光
沢面の作成とそれを有する本発明による印刷物の実施例
について説明する。反射率４５−０が３０％未満の金属
光沢面は、ガラス面、平滑なプラスチック面等を基材面
として、真空蒸着、スパッタリング、イオンプレーティ
ング等によって金属薄膜を形成することによって得られ
る。しかし、平滑性のないプラスチック面あるいは紙面
の場合には、平滑性を付与するベースコート層としてア
ンカーコート層の上に、あるいは目止め層とアンカーコ
ート層を積層した上に金属薄膜を形成することによって
得られる。また、転写積層体にあらかじめ金属薄膜を形
成しておき、この薄膜を接着層を介して印刷物の所定の
位置に転写して金属光沢面を形成してもよい。A description will now be given of an embodiment of a metallic glossy surface having a reflectivity of 45-0 of less than 30% and a printed material according to the present invention having the same. A metallic glossy surface having a reflectance 45-0 of less than 30% can be obtained by forming a metal thin film by vacuum deposition, sputtering, ion plating, or the like using a glass surface, a smooth plastic surface, or the like as a substrate surface. However, in the case of a plastic surface or paper surface having no smoothness, by forming a metal thin film on the anchor coat layer as a base coat layer for imparting smoothness, or on a laminate of the filling layer and the anchor coat layer. can get. Alternatively, a metal thin film may be formed on the transfer laminate in advance, and the thin film may be transferred to a predetermined position of a printed material via an adhesive layer to form a glossy metal surface.
【００１０】図２は本発明による印刷物の実施例１の模
式断面図である。本発明による印刷物の基本的構成はこ
の図２によって示される。実施例１においては、図２に
示すように、紙、プラスチック等の基材１の上に先ず、
ポリエステル系樹脂等のアンカー層２を設け、その上に
例えばアルミを用いた真空蒸着法による金属薄膜（以下
金属蒸着層という）を設ける。この金属蒸着層３は図２
に示すような全面であっても、部分的に形成してもよ
い。すなわち基材の全面若しくは一部を光沢面とする。
次にこの上に、個別情報を印刷若しくは印字によって表
示する。この個別情報とは「コピー機で複写されては困
る印刷物自体に個別な文字あるいは図形情報」と定義さ
れる。またこの場合の印刷物としては、銀行券、商品
券、株券、債券、証明書、鑑定書、入場券、招待券、定
期券、ＩＤカード等のいわゆる金券類はすべて含まれ、
また個別な文字あるいは図形とは、銀行券を例にすれ
ば、金額、シリアルナンバー、製造所名等の文字、人物
像、日本銀行印、彩紋等の図形である。図２では、以上
の表示によって形成されるインキ層を個別情報印刷層４
で示している。また、個別情報印刷層４は、チケット等
のようにモノクロ若しくはカラープリンタ、熱転写リボ
ン等を用いて印字することもある。この個別情報印刷層
４は一般に不透明インキが使用されるが、この場合、真
偽判別機能を有する光沢面を露出するために、前記光沢
面を全部覆うことは避け、光沢面の少なくとも一部が目
視可能になっていることが必要である。若し透明インキ
が使用される場合はこの限りでない。また、目視可能な
光沢面の印刷物１０の画面上での位置は、特に限定され
ないが、画面のレイアウト上目につく部分に置かれるこ
とが望ましい。また前述した光沢面の目視による変化が
周辺の個別情報の表示パターンと関連して一層目に付き
易くなるようデザイン面での配慮も肝要である。最後
に、必要に応じて、ポリエステル系樹脂、アクリル系樹
脂等による保護層５を積層して印刷物１０の表面全体を
保護する。FIG. 2 is a schematic sectional view of Embodiment 1 of the printed matter according to the present invention. The basic structure of a printed matter according to the present invention is shown in FIG. In the first embodiment, as shown in FIG.
An anchor layer 2 made of a polyester resin or the like is provided, and a metal thin film (hereinafter, referred to as a metal deposited layer) is provided thereon by a vacuum deposition method using, for example, aluminum. This metal deposition layer 3 is shown in FIG.
It may be formed entirely or partially as shown in FIG. That is, the entire surface or a part of the substrate is made a glossy surface.
Next, the individual information is displayed on this by printing or printing. This individual information is defined as "character or graphic information individual to the printed material itself which is not to be copied by a copying machine". In this case, the printed matter includes banknotes, gift certificates, stock certificates, bonds, certificates, appraisal documents, admission tickets, invitation tickets, commuter passes, ID cards, etc.
The individual characters or figures are, for example, characters such as a money amount, a serial number, the name of a factory, a figure of a person, a seal of the Bank of Japan, and a motif, for example, in the case of a banknote. In FIG. 2, the ink layer formed by the above display is referred to as the individual information printing layer 4.
Indicated by. The individual information print layer 4 may be printed using a monochrome or color printer, a thermal transfer ribbon, or the like, such as a ticket. The individual information print layer 4 generally uses opaque ink. In this case, in order to expose the glossy surface having the authenticity discrimination function, it is necessary to avoid covering the entire glossy surface. It must be visible. This does not apply if a transparent ink is used. The position of the visible glossy surface of the printed material 10 on the screen is not particularly limited, but it is desirable to place the glossy surface on a visible portion on the screen layout. It is also important to consider the design so that the above-mentioned change in the glossy surface by visual observation becomes more noticeable in relation to the display pattern of the surrounding individual information. Finally, if necessary, a protective layer 5 made of a polyester-based resin, an acrylic-based resin, or the like is laminated to protect the entire surface of the printed matter 10.
【００１１】図３は本発明による印刷物の実施例２の模
式断面図である。実施例２は前述の実施例１の基本構成
をベースにして応用展開したものである。実施例２の印
刷物１０’においては、基材１の表面に部分的にアンカ
ー層２と金属蒸着層３を設け、その上から個別情報印刷
層４を設け、また裏面には説明や注意書等の表示のため
の裏面印刷層７を設け、さらに、表面に着色層６を全面
に設けて画面全体を着色してから、保護層５を全面に設
けている。着色層６は、染料あるいは顔料をメジュウム
に分散させ、透明感をもたせて、各種印刷方式（オフセ
ット印刷、グラビア印刷、シルクスクリーン印刷等）を
用いて形成する。この着色層６を設ける領域は、図３の
ように印刷画面全体でなく、例えば、地紋印刷のよう
に、一部に限定してもよい。この着色層６は、印刷画面
全体に透明感のある色相を持たせてデザイン的効果を狙
うだけでなく、金属蒸着層３と組合わせて金、銅等の金
属光沢面を作りだすことができる。このような着色され
た金属光沢面も依然として正反射光の分布が多く、複写
物の光沢面相当部ではその再現色が印刷物に比べて激し
く変化し、優れた真偽判別機能を保持している。また着
色層６の有する透明感そのものは、前述の輝きと同様に
一般にカラーコピー機による複写で再現することは困難
であるため、印刷物（本物）と複写物（偽物）の真偽判
定材料を提供する効果も備えている。また、以上の着色
層６は必ずしも独立層として設けなくとも、保護層を着
色してもよく、また透明着色インキを利用して個別情報
印刷層４を着色してもよい。FIG. 3 is a schematic sectional view of a printed matter according to a second embodiment of the present invention. The second embodiment is an application developed based on the basic configuration of the first embodiment. In the printed matter 10 ′ of the second embodiment, the anchor layer 2 and the metal deposition layer 3 are partially provided on the surface of the base material 1, the individual information printing layer 4 is provided thereon, and an explanation and a notice Is provided, a colored layer 6 is provided on the entire surface to color the entire screen, and then the protective layer 5 is provided on the entire surface. The coloring layer 6 is formed by dispersing a dye or a pigment in a medium so as to have a transparent feeling and using various printing methods (offset printing, gravure printing, silk screen printing, etc.). The area where the coloring layer 6 is provided may not be the entire print screen as shown in FIG. 3 but may be limited to a part, for example, a copy-forgery-inhibited pattern printing. The colored layer 6 not only aims at a design effect by giving a transparent hue to the whole print screen, but also can create a metallic glossy surface of gold, copper or the like in combination with the metal deposition layer 3. Such a colored metallic glossy surface still has a large distribution of specularly reflected light, and the reproduced color of the portion corresponding to the glossy surface of the copy changes more drastically than that of the printed matter, and retains an excellent true / false discrimination function. . In addition, since the transparency itself of the colored layer 6 is generally difficult to reproduce by copying with a color copier as in the case of the above-described brilliancy, a material for determining the authenticity of a printed matter (genuine article) and a copied article (fake article) is provided. It also has the effect of doing. The above-mentioned coloring layer 6 does not necessarily need to be provided as an independent layer, and the protective layer may be colored, or the individual information printing layer 4 may be colored using a transparent coloring ink.
【００１２】図４は本発明による印刷物の実施例３の模
式断面図である。実施例３の印刷物１０”は実施例２の
場合と同じく実施例１の基本構成をベースにして応用展
開したものである。実施例３は、実施例１と同様に全面
の金属蒸着層３の上に印刷適性をさらに良好にする受像
層８を形成し、地紋印刷層９に次いで個別情報印刷層４
を設けたものである。この場合の個別情報印刷層４は、
例えば定期乗車券の乗車区間、乗車期限のような情報の
表示によるもので、熱転写リボンを用いて形成される印
字層であってもよい。FIG. 4 is a schematic sectional view of a printed matter according to a third embodiment of the present invention. The printed matter 10 ″ of the third embodiment is applied and developed based on the basic configuration of the first embodiment as in the case of the second embodiment. In the third embodiment, as in the first embodiment, the metal deposition layer 3 on the entire surface is formed. An image receiving layer 8 for further improving printability is formed thereon, and the individual information printing layer 4 is provided next to the tint block printing layer 9.
Is provided. The individual information print layer 4 in this case is
For example, it is based on the display of information such as a boarding section of a regular ticket and a boarding period, and may be a printing layer formed using a thermal transfer ribbon.
【００１３】[0013]
【実施例】実施例サンプルを次の仕様と方法で試作し
た。先ず実施例１のサンプルとして、上質紙９０ｇ／ｍ
2 を基材１とし、この上にアクリル系樹脂を１μｍの厚
みに塗布しアンカー層２とした。この上からアルミ蒸着
を行い、５００Åの金属蒸着層３を設けた。この上に文
字と図形を濃紺と明るい黄色のＵＶインキを用いてオフ
セット印刷によって個別情報印刷層４を形成した。さら
にその上にオフセット印刷で透明なアクリレート系樹脂
のＯＰニスを全面コートして保護層５を設けた。また画
面中央部には金属光沢面と個別情報印刷層４による文字
と図形が隣接するようにレイアウトした。実施例２のサ
ンプルについては保護層５の下に着色層６として青色顔
料を分散させた淡青色のポリエステル系樹脂層を介在さ
せた。また基材１の裏面にオフセットのＵＶ墨インキを
用いて裏面印刷層７を設けた。実施例３のサンプルにつ
いては、金属蒸着層３の形成に次いで、２μｍのポリエ
ステル系樹脂層を受像層８として設け、実施例２と同様
な裏面印刷層を施した。以上のように試作された実施例
１〜３の印刷物サンプルは、図２〜図４で金属蒸着層３
の外側に光を遮蔽する印刷層のない部分は金属光沢面で
明るく輝いてみえるが、カラーコピー機（Pixel Dio(CL
C 500)）の標準モードで複写したところ、金属光沢面は
輝きのない濃い灰色（反射濃度１．４）となって再現さ
れ、た複写物画面における濃紺の個別情報印刷部分と濃
い灰色とのコントラストは殆どなくなり、画面の一部が
暗黒化して異常な複写物となり、一見しただけで本物と
偽物の判別は可能であった。確認テストのため１０人の
人に判別テストを実施した結果、１０人全員が一見して
判別できた。一方黄色のインキを使用した場合には、逆
に濃い灰色と黄色のコントラストが付きすぎて画面に異
常な変化が起こり、同様の確認テストの結果は、１０人
全員の判別が可能であった。また、カラーコピー機のコ
ピー条件を標準モードから低濃度へまた高濃度へ種々変
えてみても、以上の複写物に現れた異常さを緩和するこ
とはできなかった。また、実施例２の印刷物１０’のよ
うに部分蒸着すると、蒸着されていない部分の上質紙が
白として再現されるので金属光沢部分とのコントラスト
が大きくなり真偽判別に効果的である。また、実施例２
の印刷物１０’に試みた着色層６の透明感はコピーにお
いては全く再現されず、着色層６も真偽判別の材料とし
て効果があった。以上の実施例１〜３の複写テストによ
って、本発明による印刷物によれば真偽の判定が極めて
容易で、偽造防止効果あるいは牽制効果が極めて大きい
ことが確認された。EXAMPLES Samples of the present invention were prototyped according to the following specifications and methods. First, as a sample of Example 1, high-quality paper 90 g / m
2 was used as a substrate 1, and an acrylic resin was applied thereon to a thickness of 1 μm to form an anchor layer 2. Aluminum was vapor-deposited from above, and a metal vapor-deposited layer 3 of 500 ° was provided. The individual information print layer 4 was formed thereon by offset printing of characters and graphics using dark blue and bright yellow UV inks. Further, a protective layer 5 was provided by coating the entire surface with a transparent acrylate resin OP varnish by offset printing. At the center of the screen, the layout was made so that the characters and figures by the metallic glossy surface and the individual information print layer 4 were adjacent to each other. For the sample of Example 2, a light blue polyester resin layer in which a blue pigment was dispersed was interposed as a colored layer 6 below the protective layer 5. A backside printing layer 7 was provided on the backside of the substrate 1 using offset UV black ink. For the sample of Example 3, a 2 μm polyester resin layer was provided as the image receiving layer 8 following the formation of the metal vapor-deposited layer 3, and the same backside printing layer as in Example 2 was applied. The printed material samples of Examples 1 to 3 prototyped as described above are shown in FIGS.
The area without a print layer that shields light from the outside can be seen as brightly shining with a metallic glossy surface, but a color copier (Pixel Dio (CL
C 500)) in standard mode, the metallic glossy surface was reproduced as dark gray without reflection (reflection density 1.4), and the dark blue individual information printed part and dark gray The contrast hardly disappeared, and a part of the screen was darkened to become an abnormal copy, and it was possible to discriminate a genuine article from a genuine article at a glance. As a result of performing a discrimination test on 10 persons for the confirmation test, all 10 persons could be distinguished at a glance. On the other hand, when the yellow ink was used, the contrast between the dark gray and the yellow was too large, causing an abnormal change on the screen. The result of the same confirmation test was that all ten persons could discriminate. Further, even if the copy conditions of the color copying machine are variously changed from the standard mode to a low density or a high density, it is not possible to alleviate the abnormality appearing in the above-mentioned copy. Further, when the partial deposition is performed as in the printed matter 10 ′ of the second embodiment, the high-quality paper where the non-deposition is performed is reproduced as white, so that the contrast with the metallic glossy portion is increased, which is effective for authenticity discrimination. Example 2
The transparency of the colored layer 6 attempted on the printed matter 10 'was not reproduced at all in copying, and the colored layer 6 was also effective as a material for authenticity discrimination. From the copy tests of Examples 1 to 3 above, it was confirmed that the authenticity of the printed matter according to the present invention was extremely easy and the forgery prevention effect or the check effect was extremely large.
【００１４】[0014]
【発明の効果】本発明による印刷物によればカラーコピ
ー機で複写して偽造を試みても印刷物に設けられた光沢
面が黒あるいは濃い灰色となって再現され、印刷物の光
沢面と複写物の光沢面相当部との変化度合いが激しく、
異常な複写物画面となり、誰によっても目視で印刷物
（本物）と複写物（偽物）の判別が可能となり、偽造を
牽制する効果もある。According to the printed matter of the present invention, the glossy surface provided on the printed matter is reproduced as black or dark gray even when copying and forgery is attempted with a color copier, and the glossy surface of the printed matter and the copy matter are reproduced. The degree of change from the glossy surface equivalent part is severe,
The screen becomes an abnormal copy, and anyone can visually discriminate between the print (real) and the copy (fake), which has the effect of preventing forgery.
【図１】本発明による印刷物の原理説明図FIG. 1 is a diagram illustrating the principle of a printed matter according to the present invention.
【図２】本発明による印刷物の実施例１の模式断面図FIG. 2 is a schematic sectional view of Example 1 of a printed matter according to the present invention.
【図３】本発明による印刷物の実施例２の模式断面図FIG. 3 is a schematic sectional view of Example 2 of a printed material according to the present invention.
【図４】本発明による印刷物の実施例３の模式断面図FIG. 4 is a schematic cross-sectional view of a printed material according to a third embodiment of the present invention.
１ 基材 ２ アンカー層 ３ 金属蒸着層 ４ 個別情報印刷層 ５ 保護層 ６ 着色層 ７ 裏面印刷層 ８ 受像層 ９ 地紋印刷層 １０ 実施例１の印刷物 １０’ 実施例２の印刷物 １０” 実施例３の印刷物 DESCRIPTION OF SYMBOLS 1 Base material 2 Anchor layer 3 Metal deposition layer 4 Individual information printing layer 5 Protective layer 6 Coloring layer 7 Back side printing layer 8 Image receiving layer 9 Background pattern printing layer 10 Printed matter of Example 1 10 'Printed matter of Example 2 10 "Example 3 Printed matter
Claims (2)
いる基材上に個別情報表示を行い、且つ、前記光沢面の
少なくとも一部を目視可能としたことを特徴とする印刷
物。1. A printed material characterized in that individual information is displayed on a substrate having a glossy surface formed on the entire surface or a part thereof, and at least a part of the glossy surface is made visible.
率が３０％未満であることを特徴とする請求項１記載の
印刷物。2. The printed matter according to claim 1, wherein the 45 ° irradiation and 0 ° light receiving reflectance of the glossy surface is less than 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17440096A JPH10850A (en) | 1996-06-14 | 1996-06-14 | Printed matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17440096A JPH10850A (en) | 1996-06-14 | 1996-06-14 | Printed matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10850A true JPH10850A (en) | 1998-01-06 |
Family
ID=15977922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17440096A Pending JPH10850A (en) | 1996-06-14 | 1996-06-14 | Printed matter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10850A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002144695A (en) * | 2000-08-28 | 2002-05-22 | Kyodo Printing Co Ltd | Forgery preventive printed matter |
| US8814297B2 (en) | 2012-02-02 | 2014-08-26 | Seiko Epson Corporation | Printing apparatus, printing method and printed matter |
| US8960882B2 (en) | 2011-03-30 | 2015-02-24 | Seiko Epson Corporation | Ink jet recording method, ink set, and recorded article |
| US9138988B2 (en) | 2012-02-03 | 2015-09-22 | Seiko Epson Corporation | Printing apparatus, printing method and printed matter |
| JP6174283B1 (en) * | 2017-02-24 | 2017-08-02 | 株式会社トライフ | Electrophotographic medium and method for producing electrophotographic medium |
| JP6250131B1 (en) * | 2016-12-12 | 2017-12-20 | 中央印刷株式会社 | Printed matter, printing method, and printed matter manufacturing method |
| JP6293253B1 (en) * | 2016-12-22 | 2018-03-14 | 中央印刷株式会社 | Printed matter, printing method, and printed matter manufacturing method |
-
1996
- 1996-06-14 JP JP17440096A patent/JPH10850A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002144695A (en) * | 2000-08-28 | 2002-05-22 | Kyodo Printing Co Ltd | Forgery preventive printed matter |
| US8960882B2 (en) | 2011-03-30 | 2015-02-24 | Seiko Epson Corporation | Ink jet recording method, ink set, and recorded article |
| US8814297B2 (en) | 2012-02-02 | 2014-08-26 | Seiko Epson Corporation | Printing apparatus, printing method and printed matter |
| US9138988B2 (en) | 2012-02-03 | 2015-09-22 | Seiko Epson Corporation | Printing apparatus, printing method and printed matter |
| JP6250131B1 (en) * | 2016-12-12 | 2017-12-20 | 中央印刷株式会社 | Printed matter, printing method, and printed matter manufacturing method |
| JP6293253B1 (en) * | 2016-12-22 | 2018-03-14 | 中央印刷株式会社 | Printed matter, printing method, and printed matter manufacturing method |
| JP6174283B1 (en) * | 2017-02-24 | 2017-08-02 | 株式会社トライフ | Electrophotographic medium and method for producing electrophotographic medium |
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