JPH06297882A - Pressure-sensitive copying slip - Google Patents
Pressure-sensitive copying slipInfo
- Publication number
- JPH06297882A JPH06297882A JP5084464A JP8446493A JPH06297882A JP H06297882 A JPH06297882 A JP H06297882A JP 5084464 A JP5084464 A JP 5084464A JP 8446493 A JP8446493 A JP 8446493A JP H06297882 A JPH06297882 A JP H06297882A
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- paper
- layer
- pressure
- lower layer
- 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.)
- Granted
Links
Landscapes
- Printing Methods (AREA)
- Color Printing (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は銀行等の金融機関で使用
する感圧複写伝票に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure-sensitive copying slip used in financial institutions such as banks.
【０００２】[0002]
【従来の技術】銀行等の金融機関において口座開設時等
に使用する感圧複写伝票には、暗証等多数の人間の目に
触れては不都合な暗証（情報）も書き込まれるため、そ
の暗証を目視されないようにする必要があり、感圧複写
伝票には何らかの暗証隠蔽手段が設けられている。2. Description of the Related Art In a pressure-sensitive copying slip used when opening an account at a financial institution such as a bank, a secret code (information) that is inconvenient to the eyes of many people, such as a secret code, is written. It is necessary to prevent it from being visually inspected, and the pressure-sensitive copy slip is provided with some secret concealing means.
【０００３】そのような暗証隠蔽手段として、例えば、
実開昭５７−５９６６６号公報には、暗証が複写される
下層の用紙に一定の色彩をもつ縦横線等、複雑模様を印
刷し、暗証記入欄のある上層の用紙の裏面に複雑模様と
は色彩濃度の異なるカーボン層を設けた感圧複写伝票
（複写式伝票）が提案されている。As such a secret code concealing means, for example,
In Japanese Utility Model Laid-Open No. 57-59666, a complicated pattern such as vertical and horizontal lines having a certain color is printed on the lower layer paper on which the secret code is copied, and the complicated pattern is printed on the back surface of the upper layer sheet having the secret code entry field. A pressure-sensitive copy slip (copy-type slip) provided with carbon layers having different color densities has been proposed.
【０００４】この感圧複写伝票は、上層の用紙の暗証記
入欄に暗証を記入することにより、裏面のカーボン層の
一部を下層の用紙の複雑模様上に複写することが可能で
ある。そして上層の用紙は剥離され記入者の控えとし
て、下層の用紙は銀行側の控えとして保管される。尚、
銀行側の控えには暗証が複写されているが、暗証は複雑
模様に隠蔽され目視は困難である。しかし、複雑模様と
同系色の着色フィルターで複雑模様を観察すると、暗証
のみを目視することができる。In this pressure-sensitive copy slip, it is possible to copy a part of the carbon layer on the back surface on a complicated pattern of the lower layer paper by writing the personal identification code in the personal identification entry field of the upper layer paper. Then, the upper layer of paper is peeled off and kept as a copy for the writer, and the lower layer of paper is kept as a copy of the bank. still,
The secret code is copied on the bank's copy, but it is difficult to see because the secret code is hidden in a complicated pattern. However, when the complex pattern is observed with a coloring filter having a color similar to that of the complex pattern, only the secret code can be visually observed.
【０００５】このような感圧複写伝票は、ある程度の隠
蔽効果は認められるものの、下層の用紙の複雑模様の部
分に暗証が複写されていることは一目瞭然であり、その
存在を知らしめることは暗証隠蔽手段としては好ましい
ものではない。Although such a pressure-sensitive copying slip has a certain concealing effect, it is obvious that the secret code is copied in the complicated pattern portion of the lower layer paper, and it is obvious that the existence of the secret code is known. It is not preferable as a concealing means.
【０００６】[0006]
【発明が解決しようとする課題】本発明は、上層の用紙
の暗証記入欄に書かれた暗証を下層の用紙に複写する感
圧複写伝票において、暗証等の情報を隠蔽することは無
論のこと、暗証等の存在を意識させない感圧複写伝票の
提供することを目的とする。It is needless to say that the present invention conceals the information such as a secret code in a pressure-sensitive copy slip in which the secret code written in the secret code entry field of the upper layer paper is copied to the lower layer paper. The purpose of the present invention is to provide a pressure-sensitive copy slip that does not make people aware of the presence of personal identification.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の発明は、
上層の用紙の暗証記入欄に書かれた暗証を下層の用紙に
複写する感圧複写伝票を前提とし、上層の用紙の暗証記
入欄の裏面には、実質的に可視光領域に吸収がなく、赤
外光を吸収する赤外線吸収物質を含有する赤外線吸収イ
ンキ層が設けられており、かつ下層の用紙の表面は、赤
外線反射性を有していることを特徴とするものである。The invention according to claim 1 is
Assuming a pressure-sensitive copy slip that copies the password written in the password entry field of the upper layer of paper to the lower layer of paper, the back side of the password entry field of the upper layer of paper has virtually no absorption in the visible light region, An infrared absorbing ink layer containing an infrared absorbing substance that absorbs infrared light is provided, and the surface of the lower layer of paper has infrared reflectivity.
【０００８】請求項２記載の発明は、請求項１記載の発
明を前提とし、上記赤外線吸収物質が五二酸化リンを主
成分とし、Ｆｅ2+及び／又はＣｕ2+を含有するリン酸塩
系白色結晶粉末であることを特徴とするものである。A second aspect of the present invention is based on the first aspect of the invention, wherein the infrared absorbing material contains phosphate pentaoxide as a main component and contains Fe 2+ and / or Cu 2+. It is a white crystalline powder.
【０００９】[0009]
【作用】本発明に係わる感圧複写伝票によれば、複写に
より下層の用紙に部分的に転移する赤外線吸収インキ層
は、実質的に可視光領域に吸収がなく、かつ赤外領域の
光を吸収するため、白色あるいは淡色である。よって、
通常白色あるいは淡色である下層の用紙に複写しても目
視することは困難である。また、暗証の読み取りは、赤
外線反射性の下層の用紙表面と、その上に複写された赤
外線吸収インキによる赤外線の反射（吸収）を検知する
ことにより行なうことができる。According to the pressure-sensitive copying slip according to the present invention, the infrared absorbing ink layer, which is partially transferred to the lower sheet by copying, has substantially no absorption in the visible light region and does not absorb light in the infrared region. It is white or light in color because it absorbs. Therefore,
It is difficult to visually observe even when copying on a lower layer paper which is usually white or light color. Further, the identification code can be read by detecting the infrared ray reflection (absorption) by the infrared ray reflecting lower layer paper surface and the infrared ray absorbing ink copied thereon.
【００１０】また、そのような赤外線吸収インキ層に含
まれる赤外線吸収物質としては、白色度の点と赤外線吸
収能から、五二酸化リンを主成分とし、Ｆｅ2+及び／又
はＣｕ2+を含有するリン酸塩系白色結晶粉末が最適であ
る。The infrared absorbing substance contained in such an infrared absorbing ink layer contains phosphorus pentoxide as a main component and Fe 2+ and / or Cu 2+ in view of whiteness and infrared absorbing ability. Phosphate-based white crystalline powder is suitable.
【００１１】以下に本発明を図面に基づいて更に具体的
に説明する。The present invention will be described below more specifically with reference to the drawings.
【００１２】図１は本発明の感圧複写伝票の一例の構成
を示す断面図である。尚、構成では用紙は上層、下層の
２枚だけであるが、それ以上の枚数の構成であっても本
発明の要旨を逸脱するものではない。FIG. 1 is a sectional view showing the construction of an example of the pressure-sensitive copying slip of the present invention. In the configuration, the number of sheets is only two, that is, the upper layer and the lower layer, but the configuration of more sheets does not depart from the gist of the present invention.
【００１３】図１においては、表面に赤外線反射層３が
設けらた下層の用紙４と、裏面に赤外線吸収インキ層２
が設けられた上層の用紙が重ねられた状態で剥離しない
ように貼着されている。また、可視インキ層が上層の用
紙の赤外線吸収インキ層２が設けられていない部分に形
成されている。In FIG. 1, a lower layer of paper 4 having an infrared reflection layer 3 on the front surface and an infrared absorption ink layer 2 on the back surface.
The upper-layer papers provided with are attached so as not to peel off in a stacked state. In addition, the visible ink layer is formed on a portion of the upper sheet where the infrared absorbing ink layer 2 is not provided.
【００１４】本発明における用紙は、特に限定されるも
のではないが、上層に設けられる用紙１は暗証記入欄に
記載した暗証の筆圧を下層の用紙に伝える必要があるの
で変形し易い薄手の紙が好ましい。他方、下層に設けら
れる用紙４は少なくとも表面が赤外線反射性を有する必
要があり、また、筆圧により変形してしまうと、その変
形を目視されてしまう恐れがあるため、変形しにくい厚
手の紙が好ましい。尚、用紙単独では十分な赤外線反射
性（近赤外領域において６０％以上）が得られない場
合、表面に二酸化チタン等、赤外線反射性の物質を塗布
した赤外線反射層３を形成してもよい。The paper in the present invention is not particularly limited, but the paper 1 provided in the upper layer needs to transmit the writing pressure of the password described in the password entry field to the paper in the lower layer, and is therefore easily deformed. Paper is preferred. On the other hand, at least the surface of the paper 4 provided in the lower layer needs to have infrared reflectivity, and if it is deformed by the writing pressure, the deformation may be visually recognized. Is preferred. When the paper alone cannot provide sufficient infrared reflectivity (60% or more in the near infrared region), the infrared reflective layer 3 may be formed by coating the surface with an infrared reflective substance such as titanium dioxide. .
【００１５】本発明における赤外線吸収インキ層２と
は、上層の用紙の裏面に形成され実質的に可視光領域に
吸収がなく、赤外光領域に吸収能を有する層であり、表
紙表面の暗証記入欄に書かれた部分が下層の用紙の表面
に複写する層である。尚、本明細書中の実質的に可視光
領域に吸収がないとは、可視光領域（波長３８０ｎｍ〜
７００ｎｍ）においての吸収率が２０％以下であること
を言う。また、赤外光領域に吸収があるとは近赤外領域
において６０％以上の吸収率を有することを言う。The infrared absorbing ink layer 2 in the present invention is a layer formed on the back surface of the upper sheet of paper, which has substantially no absorption in the visible light region and has an absorbing ability in the infrared light region. The part written in the entry field is the layer to be copied on the surface of the lower layer of paper. In addition, in this specification, substantially no absorption in the visible light region means that the visible light region (wavelength of 380 nm to
The absorption rate at 700 nm) is 20% or less. Further, having absorption in the infrared region means having an absorption rate of 60% or more in the near infrared region.
【００１６】上記赤外線吸収層２は、赤外線吸収物質を
インキ化し、バーコート、ブレードコート、エアナイフ
コート、グラビアコート、ロールコート等のソルベント
コート法あるいはスクリーン印刷などの既知の塗布方法
により形成する。The infrared absorbing layer 2 is formed by converting the infrared absorbing substance into an ink and using a known coating method such as a solvent coating method such as bar coating, blade coating, air knife coating, gravure coating or roll coating, or screen printing.
【００１７】赤外線吸収物質を例示すると、五二酸化リ
ンを主成分とし、酸化鉄および／又は酸化銅１．０重量
％以上を含有するリン酸塩系白色結晶材料粉末、五二酸
化リンを主成分とし、Ｆｅ2+及び／又はＣｕ2+を含有す
るガラス系材料、金属錯体型の赤外線吸収剤、シアニン
系、フタロシアニン系、ナフタロシアニン系、アントラ
キノン系、アミニウム系、クロコニックメチン系、アズ
レニオウム系、ピリリウム系等の赤外線吸収染料であ
る。As an example of the infrared absorbing material, a phosphate-based white crystalline material powder containing phosphorus pentoxide as the main component and containing iron oxide and / or copper oxide in an amount of 1.0% by weight or more, and phosphorus pentoxide as the main component. , Glass materials containing Fe 2+ and / or Cu 2+ , metal complex type infrared absorbers, cyanine-based, phthalocyanine-based, naphthalocyanine-based, anthraquinone-based, aminium-based, croconic methine-based, azureniium-based, pyrylium It is an infrared absorbing dye of the system.
【００１８】尚、上記白色結晶材料粉末、ガラス系材料
は、必要に応じ、以下の化合物を含有する。The white crystalline material powder and the glass-based material contain the following compounds, if necessary.
【００１９】 Ａｌ2 Ｏ3 ２. ０〜１０．０重量％ Ｂ2 Ｏ3 １. ０〜３０．０重量％ ＭｇＯ ３. ０〜１０．０重量％ ＺｎＯ ０〜 ３．０重量％ Ｋ2 Ｏ ０〜１５．０重量％ ＢａＯ ０〜１０. ０重量％ ＳｒＯ ０〜１０. ０重量％ Ｎｉ, Ｃｏ, Ｓｅ 微量Al 2 O 3 2.0 to 10.0% by weight B 2 O 3 1.0 to 30.0% by weight MgO 3.0 to 10.0% by weight ZnO 0 to 3.0% by weight K 2 O 0 to 15.0 wt% BaO 0 to 10.0 wt% SrO 0 to 10.0 wt% Ni, Co, Se Trace amount
【００２０】上記した赤外線吸収物質のうち、白色度の
点からは白色結晶材料粉末、ガラス系材料が好ましく、
赤外線吸収能からは白色結晶材料粉末、金属錯体型の赤
外線吸収剤、赤外線吸収染料が好ましい。Among the above infrared absorbing substances, white crystalline material powder and glass materials are preferable from the viewpoint of whiteness.
From the viewpoint of infrared absorbing ability, white crystalline material powder, a metal complex type infrared absorbing agent, and an infrared absorbing dye are preferable.
【００２１】これらの顔料、染料をインキ化するために
用いるバインダーとしては、ワックス等が用いられる。
上記バインダーは溶剤を除く赤外線吸収インキ組成中に
２０重量％以上含まれることが好ましい。Wax or the like is used as a binder used for making these pigments and dyes into ink.
The binder is preferably contained in the infrared absorbing ink composition excluding the solvent in an amount of 20% by weight or more.
【００２２】尚、上記した赤外線吸収インキは、可視光
領域において２０％以下の吸収率を示すが、ごく薄い色
が観察される場合がある。また、下層の用紙の表面も淡
色である場合がある。よって、赤外線吸収インキ及び／
又は用紙の表面を形成する材料に、実質的に赤外光を吸
収せず、可視光領域を吸収する着色物質を添加し、赤外
線吸収インキと下層の用紙の表面を同系色に調整するこ
とも有効である。The above infrared absorbing ink exhibits an absorption rate of 20% or less in the visible light region, but an extremely faint color may be observed. Further, the surface of the lower layer paper may be light in color. Therefore, infrared absorbing ink and /
Alternatively, by adding a coloring substance that does not substantially absorb infrared light but absorbs visible light to the material forming the surface of the paper, the infrared absorbing ink and the surface of the underlying paper may be adjusted to the same color. It is valid.
【００２３】可視インキ層５とは、暗証以外の目視され
てもよい情報を下層の用紙に複写するための層であり、
例えばワックスに黒色顔料を分散したインキを塗布、形
成した層である。The visible ink layer 5 is a layer for copying visible information other than a secret code on a lower layer of paper,
For example, it is a layer formed by applying an ink in which a black pigment is dispersed in wax.
【００２４】尚、暗証以外の目視されてもよい情報を複
写するための他の構成としては、上層の用紙の裏面と下
層の用紙の表面に、例えば筆圧程度の圧力で容易に破壊
するマイクロカプセルに封入したロイコ染料と顕色剤の
ような２成分発色系の材料の各成分を、各々塗布する構
成が挙げられる。As another configuration for copying information that may be viewed other than a personal identification code, a micro that easily breaks on the back side of the upper layer paper and the front side of the lower layer paper, for example, with a pressure of about a writing pressure. An example is a configuration in which each component of a two-component coloring material such as a leuco dye and a color developer enclosed in a capsule is applied.
【００２５】前記したような上層の用紙と下層の用紙の
端部を接着することにより、感圧複写伝票を得た。A pressure-sensitive copy slip was obtained by adhering the edges of the upper layer paper and the lower layer paper as described above.
【００２６】以下、本発明に係わる感圧複写伝票の使用
例を図面を用いて説明する。まず、図１に記載の感圧複
写伝票の可視インキ層が形成されている部分に対応する
上層の用紙表面と、赤外線吸収インキ層が形成されてい
る部分に相当する上層の用紙の暗証記入欄にそれぞれ情
報、暗証を記入した。An example of using the pressure-sensitive copying slip according to the present invention will be described below with reference to the drawings. First, the password entry column of the upper layer paper corresponding to the portion where the visible ink layer of the pressure-sensitive copy slip shown in FIG. 1 is formed and the upper layer paper corresponding to the portion where the infrared absorbing ink layer is formed. Entered the information and secret code respectively.
【００２７】次に上層の用紙と下層の用紙を剥離した。
すると、図２のように、下層の用紙４には筆圧が懸かっ
た部分の可視インキ層５が複写されており、書き込んだ
情報は下層の用紙に表示されていた。また、複写された
赤外線吸収インキ層２の目視での確認は困難であった
が、赤外線スコープを用いて暗証を観察することができ
た。Next, the upper layer paper and the lower layer paper were peeled off.
Then, as shown in FIG. 2, the visible ink layer 5 in the portion where the writing pressure was applied was copied to the lower layer paper 4, and the written information was displayed on the lower layer paper. Further, although it was difficult to visually confirm the copied infrared absorbing ink layer 2, it was possible to observe the secret code by using the infrared scope.
【００２８】[0028]
【００２９】以下、本発明を一実施例を用いて詳細に説
明する。まず、実質的に可視光領域に吸収がなく、赤外
光を吸収する赤外線吸収物質を含むインキを製造する。The present invention will be described in detail below with reference to an embodiment. First, an ink containing an infrared absorbing substance that does not substantially absorb visible light and absorbs infrared light is manufactured.
【００３０】下記の組成を有する第二銅含有リン酸塩系
組成物について融解しかつこれを結晶化させて第二銅含
有リン酸塩系白色結晶化合物を求めた。A cupric-containing phosphate-based composition having the following composition was melted and crystallized to obtain a cupric-containing phosphate-based white crystalline compound.
【００３１】〔第二銅含有リン酸塩系組成物〕 Ｐ2 Ｏ5 ５０．０重量％ ＣｕＯ ４９．５重量％ ＺｎＯ ０．５重量％[Copper-containing phosphate composition] P 2 O 5 50.0 wt% CuO 49.5 wt% ZnO 0.5 wt%
【００３２】尚、この化合物について銅の管球（ＣｕＫ
α）を用いてＸ線回折を行ったところ、回折角（２θ）
＝２８．１４、３０．０７、３０．３４、４４．０１に
強いピークが表れ、結晶化されていることが確認されて
いる。Regarding this compound, a copper tube (CuK
When X-ray diffraction was performed using α), the diffraction angle (2θ)
= 28.14, 30.07, 30.34, and 44.01 have strong peaks, and it is confirmed that they are crystallized.
【００３３】次に、この第二銅含有リン酸塩系白色結晶
を粉砕して粉末化し、これを赤外線吸収性顔料として下
記組成の赤外線吸収インキを調製した。Next, the cupric acid-containing phosphate white crystals were crushed into powder, and the infrared absorbing pigment having the following composition was prepared by using the powder as a infrared absorbing pigment.
【００３４】 〔赤外線吸収インキの組成〕 顔料（第二銅含有リン酸塩系白色結晶化合物） ２５重量部 カルナバワックス・モンタワックス ２５重量部 オイル ５０重量部[Composition of infrared absorbing ink] Pigment (cupric acid-containing phosphate-based white crystalline compound) 25 parts by weight Carnauba wax / Monta wax 25 parts by weight Oil 50 parts by weight
【００３５】尚、このインキは、可視光領域（波長３８
０ｎｍ〜７００ｎｍ）においての吸収率が１０％以下で
あるが、７８０ｎｍの近赤外線において８０％以上の吸
収を示す。This ink has a visible light range (wavelength 38
The absorption rate at 0 nm to 700 nm is 10% or less, but at 80% or more in the near infrared ray of 780 nm.
【００３６】次に、赤外線吸収インキを上層となる薄手
の白色用紙の暗証記入欄に対応する部分の裏面に塗布す
るとともに、黒色顔料をワックスに分散したインキをそ
れ以外の部位に塗布した。また、下層となる厚手の用紙
の表面に二酸化チタンを含有するインキを全面的に塗布
した。Next, the infrared absorbing ink was applied to the back surface of the portion corresponding to the secret code entry column of the thin white paper as the upper layer, and the ink in which the black pigment was dispersed in wax was applied to the other portions. In addition, the ink containing titanium dioxide was entirely applied to the surface of the thick paper as the lower layer.
【００３７】前記上層の用紙と下層の用紙の端部を接着
し、感圧複写伝票を得た。Edges of the upper layer paper and the lower layer paper were adhered to obtain a pressure-sensitive copy slip.
【００３８】前記感圧複写伝票に情報、暗証を記入後、
上層の用紙と下層の用紙を剥離した。複写した赤外線吸
収インキ層は目視不可能であったが、赤外線スコープを
用いて暗証を観察することができた。After entering the information and the secret code on the pressure-sensitive copying slip,
The upper layer paper and the lower layer paper were peeled off. The copied infrared absorbing ink layer was invisible, but the secret code could be observed using an infrared scope.
【００３９】[0039]
【発明の効果】以上、説明したように本発明に係わる感
圧複写伝票によれば、複写により下層の用紙に部分的に
転移する赤外線吸収インキ層は、実質的に可視光領域に
吸収がなく、かつ赤外領域の光を吸収するため、白色あ
るいは淡色である。よって、通常白色あるいは淡色であ
る下層の用紙に複写しても目視することは困難であるが
赤外線スコープなどにより暗証の読み取りが可能とな
る。As described above, according to the pressure-sensitive copying slip according to the present invention, the infrared absorbing ink layer which is partially transferred to the lower layer paper by copying has substantially no absorption in the visible light region. In addition, since it absorbs light in the infrared region, it has a white or light color. Therefore, although it is difficult to visually check even if it is copied on the lower layer paper which is usually white or light color, it becomes possible to read the secret code by the infrared scope or the like.
【００４０】よって、暗証等の情報の記入の存在を意識
させない感圧複写伝票を提供することができる。Therefore, it is possible to provide a pressure-sensitive copy slip in which the existence of the entry of information such as a secret code is not taken into consideration.
【００４１】[0041]
【図１】本発明の感圧複写伝票の一実施例を示す構成図
である。FIG. 1 is a configuration diagram showing an embodiment of a pressure-sensitive copying slip of the present invention.
【図２】本発明の感圧複写伝票の一実施例を示す構成図
である。FIG. 2 is a configuration diagram showing an embodiment of a pressure-sensitive copying slip of the present invention.
１ 用紙 ２ 赤外線吸収インキ層 ３ 赤外線反射層 ４ 用紙 ５ 可視インキ層 1 Paper 2 Infrared absorbing ink layer 3 Infrared reflecting layer 4 Paper 5 Visible ink layer
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ４２Ｄ 15/00 ３６１ Ｂ 8604−2Ｃ (72)発明者 小林 昭彦 東京都台東区台東一丁目５番１号 凸版印 刷株式会社内 (72)発明者 田本 孝志 東京都台東区台東一丁目５番１号 凸版印 刷株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Reference number within the agency FI Technical display location B42D 15/00 361 B 8604-2C (72) Inventor Akihiko Kobayashi 1-5 Taito, Taito-ku, Tokyo No. 1 Toppan Printing Co., Ltd. (72) Inventor Takashi Tamoto 1-5-1 Taito, Taito-ku, Tokyo Tokyo Toppan Printing Co., Ltd.
Claims (2)
下層の用紙に複写する感圧複写伝票において、上層の用
紙の暗証記入欄の裏面には、実質的に可視光領域に吸収
がなく、赤外光を吸収する赤外線吸収物質を含有する赤
外線吸収インキ層が設けられており、かつ下層の用紙の
表面は、赤外線反射性を有していることを特徴とする感
圧複写伝票。1. In a pressure-sensitive copy slip for copying the password written in the password entry column of the upper layer of paper to the lower layer of paper, the back side of the password entry column of the upper layer of paper is substantially absorbed in the visible light region. , A pressure-sensitive copy slip characterized in that it is provided with an infrared-absorbing ink layer containing an infrared-absorbing substance that absorbs infrared light, and that the surface of the underlying paper has infrared reflectivity. .
分とし、Ｆｅ2+及び／又はＣｕ2+を含有するリン酸塩系
白色結晶粉末であることを特徴とする請求項１記載の感
圧複写伝票。2. The feeling according to claim 1, wherein the infrared absorbing substance is a phosphate-based white crystalline powder containing phosphorus pentoxide as a main component and Fe 2+ and / or Cu 2+ . Press copy slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08446493A JP3319019B2 (en) | 1993-04-12 | 1993-04-12 | Pressure-sensitive copy slip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08446493A JP3319019B2 (en) | 1993-04-12 | 1993-04-12 | Pressure-sensitive copy slip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06297882A true JPH06297882A (en) | 1994-10-25 |
| JP3319019B2 JP3319019B2 (en) | 2002-08-26 |
Family
ID=13831355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08446493A Expired - Fee Related JP3319019B2 (en) | 1993-04-12 | 1993-04-12 | Pressure-sensitive copy slip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3319019B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007069552A (en) * | 2005-09-09 | 2007-03-22 | Toppan Printing Co Ltd | Copy sheet for information hiding voucher, information hiding voucher sort, information reading device and information reading method |
| JP2007245439A (en) * | 2006-03-15 | 2007-09-27 | Dainippon Printing Co Ltd | Infrared absorption ink printed material |
-
1993
- 1993-04-12 JP JP08446493A patent/JP3319019B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007069552A (en) * | 2005-09-09 | 2007-03-22 | Toppan Printing Co Ltd | Copy sheet for information hiding voucher, information hiding voucher sort, information reading device and information reading method |
| JP2007245439A (en) * | 2006-03-15 | 2007-09-27 | Dainippon Printing Co Ltd | Infrared absorption ink printed material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3319019B2 (en) | 2002-08-26 |
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