JP7127345B2 - 偽造防止カード - Google Patents
偽造防止カード Download PDFInfo
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- JP7127345B2 JP7127345B2 JP2018079766A JP2018079766A JP7127345B2 JP 7127345 B2 JP7127345 B2 JP 7127345B2 JP 2018079766 A JP2018079766 A JP 2018079766A JP 2018079766 A JP2018079766 A JP 2018079766A JP 7127345 B2 JP7127345 B2 JP 7127345B2
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Description
カード基材(14)は、コアシート(12)の両面にオーバーシート(13)がラミネートされた構成であり、コアシート(12)とオーバーシートとの間に印刷部(11)が設けられた例を示している。
デマンド印刷技術などを用いて形成することができる。
タリング法、化学蒸着法(CVD法)などの気相体積法によって形成された、アルミニウムや銀、金、銅、ニッケルなどの金属薄膜を設けてあっても良い。
重合が可能な化合物としては、例えばエポキシ基を備えたモノマー、オリゴマー、樹脂などや、キセタン骨格含有化合物、ビニルエーテル類などを例示することができる。
樹脂微粒子などの各種耐湿顔料が添加されてあっても良い。
場合に、マット調に見えることとなる。
装飾転写フィルム(30)用の支持体(26)として、PETフィルム(ルミラー 25T60 ; 東レ株式会社製)を用意し、このPETフィルム上に下記の保護層用塗布液をグラビアコータによって、乾燥後の膜厚が5.0μmとなるように保護層を形成し、その上に下記のレリーフ構造形成層用塗布液をグラビアコータによって、乾燥後の膜厚が2.0μmになるようにレリーフ構造形成層を形成した。
アクリル樹脂 30質量部
シリカフィラー 3質量部
トルエン 40質量部
メチルエチルケトン 40質量部
メチルイソブチルケトン 20質量部
塩化ビニル-酢酸ビニル共重合体とウレタン樹脂の混合物 25質量部
メチルエチルケトン 70質量部
トルエン 30質量部
ポリエステル樹脂 5質量部
塩化ビニル-酢酸ビニル共重合樹脂 20質量部
メチルエチルケトン 40質量部
トルエン 40質量部
厚さ600μmの白色塩化ビニルシートをコアシートとし、このコアシートの両面に厚さ80μmの透明塩化ビニルシートをオーバーシートとして、重ね合わせ、熱プレス機により、熱圧を加えてラミネート加工して、カード基材シートを得た。
上述のようにして得られた偽造防止カードサンプルを、磁気リーダ(ウェルコムデザイ
ン株式会社製 MJR-350-VCOM)に1200回スワイプさせ、その後、側面部に設けられた装飾層の状況を目視により観察した。
1200回のスワイプを実施した後であっても、カードの白色コアシートの色が露出してくることは無かった。
11 … 印刷部
12 … コアシート
13 … オーバーシート
14 … カード基材
20、20’ … 装飾層
21 … 接着層
22、22’ … 中間層
23 … 保護層
24 … 反射層
25 … レリーフ構造形成層
26 … 支持体
30 … 装飾転写フィルム
31 … 巻出部
32 … 巻取部
40 … ホログラム装飾層転写部
51 … 熱ロール
Claims (5)
- 少なくとも2層以上の樹脂層を積層した積層体からなるカードであって、
前記カードの側面部に、少なくとも保護層と接着層とを有する装飾層が設けられており、
前記保護層の膜厚が1μm~10μmであり、前記保護層に、保護層の樹脂分に対して、
質量比で、0.5%~40%の範囲でフィラーが添加されてなり、前記接着層が、色素及び耐湿顔料の少なくとも1つ以上を含むことを特徴とする偽造防止カード。 - 前記装飾層において、保護層と接着層との間に中間層が設けられてなることを特徴とする請求項1に記載の偽造防止カード。
- 前記中間層が、少なくとも1つ以上の色材を含むことを特徴とする請求項2に記載の偽造防止カード。
- 前記中間層が、任意の画像を有する印刷層からなることを特徴とする請求項2または3のいずれかに記載の偽造防止カード。
- 前記中間層が、表面に凹凸構造を有するレリーフ構造形成層と前記凹凸構造の少なくとも一部を覆う反射層とを、少なくとも有することを特徴とする請求項2または請求項3のいずれかに記載の偽造防止カード。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3034112U (ja) | 1996-07-16 | 1997-02-14 | 株式会社サントク | 縁付きカード |
JP2002042319A (ja) | 2000-07-21 | 2002-02-08 | Dainippon Printing Co Ltd | 磁気記録媒体及び被覆用転写シート |
JP2002283774A (ja) | 2001-03-26 | 2002-10-03 | Dainippon Printing Co Ltd | 後加工適性および耐久性に優れた光回折構造転写シートおよびカード |
JP2003058026A (ja) | 2001-08-09 | 2003-02-28 | Dainippon Printing Co Ltd | 偽造防止体積ホログラム積層体 |
JP2008096626A (ja) | 2006-10-11 | 2008-04-24 | Dainippon Printing Co Ltd | ホログラム転写箔 |
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JPH09190670A (ja) * | 1996-01-10 | 1997-07-22 | Canon Inc | 情報記録媒体 |
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JP3034112U (ja) | 1996-07-16 | 1997-02-14 | 株式会社サントク | 縁付きカード |
JP2002042319A (ja) | 2000-07-21 | 2002-02-08 | Dainippon Printing Co Ltd | 磁気記録媒体及び被覆用転写シート |
JP2002283774A (ja) | 2001-03-26 | 2002-10-03 | Dainippon Printing Co Ltd | 後加工適性および耐久性に優れた光回折構造転写シートおよびカード |
JP2003058026A (ja) | 2001-08-09 | 2003-02-28 | Dainippon Printing Co Ltd | 偽造防止体積ホログラム積層体 |
JP2008096626A (ja) | 2006-10-11 | 2008-04-24 | Dainippon Printing Co Ltd | ホログラム転写箔 |
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