JP4437721B2 - 真偽判定用媒体、真偽判定可能な基材、真偽判定用媒体ラベル、および真偽判定用媒体転写シート - Google Patents
真偽判定用媒体、真偽判定可能な基材、真偽判定用媒体ラベル、および真偽判定用媒体転写シート Download PDFInfo
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- JP4437721B2 JP4437721B2 JP2004237194A JP2004237194A JP4437721B2 JP 4437721 B2 JP4437721 B2 JP 4437721B2 JP 2004237194 A JP2004237194 A JP 2004237194A JP 2004237194 A JP2004237194 A JP 2004237194A JP 4437721 B2 JP4437721 B2 JP 4437721B2
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Description
本発明の真偽判定用媒体1には、インクジェットプリンターもしくは熱転写プリンター等を用いた非感熱記録手法によって記録を施すこともでき、このような非感熱記録手法によって施された記録は、加熱により光の透過率もしくは反射率が変化する薄膜層または/および見る角度により異なる色を与える色変化層を背景とすることにより、偽造防止性を有するものとなる。また、上記の非感熱記録手法による記録に加えて、サーマルヘッドやレーザー光等を用いた感熱記録手法による記録を併用することにより、より高度な防止性を真偽判定用媒体1に与えることができる。
2……薄膜層
3……色変化層(光選択反射性層)
4……配向膜
5……位相差層
11……真偽判定用媒体
12……基材
13……記録部
14……円偏光板(14L;左円偏光板、14R;右円偏光板)
21……真偽判定用媒体ラベル
22……基材フィルム
23……接着剤層
24……保護層
31……真偽判定用媒体転写シート
Claims (5)
- 加熱により溶融もしくは蒸発又は相変化を起こして加熱部と非加熱部とにおいて光の透過率もしくは反射率の相違に基づくパターンを生じる薄膜層、および見る角度により異なる色を与える色変化層が積層しており、前記色変化層が二層からなり、前記二層の間に位相差層が介在しており、前記色変化層各々が、入射光のうち左円偏光もしくは右円偏光のいずれか一方のともに同じ円偏光を反射する光選択反射性層であり、前記光選択反射性層各々の反射光の中心波長が相互に相違するものであることを特徴とする真偽判定用媒体。
- 前記光選択反射性層がコレステリック液晶層からなることを特徴とする請求項1記載の真偽判定用媒体。
- 請求項1又は請求項2記載の真偽判定用媒体を、基材の一部に可視可能に有することを特徴とする真偽判定可能な基材。
- 請求項1又は請求項2記載の真偽判定用媒体にさらに接着剤層が積層されていることを特徴とする真偽判定用媒体ラベル。
- 請求項1又は請求項2記載の真偽判定用媒体が剥離性基材の剥離性面に積層されていることを特徴とする真偽判定用媒体転写シート。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004237194A JP4437721B2 (ja) | 2004-08-17 | 2004-08-17 | 真偽判定用媒体、真偽判定可能な基材、真偽判定用媒体ラベル、および真偽判定用媒体転写シート |
EP14162505.3A EP2749430B1 (en) | 2004-04-14 | 2005-04-11 | Authentication medium |
CN2008101377813A CN101363931B (zh) | 2004-04-14 | 2005-04-11 | 介质、基材、介质标签、介质转印片、片材和信息记录体 |
US10/599,984 US7818782B2 (en) | 2004-04-14 | 2005-04-11 | Authentication medium, authenticable substrate, authentication medium label, authentication medium transfer sheet, authenticable sheet, and authenticable information recording medium |
PCT/JP2005/007358 WO2005101069A1 (ja) | 2004-04-14 | 2005-04-11 | 真偽判定用媒体、真偽判定可能な基材、真偽判定用媒体ラベル、真偽判定用媒体転写シ-ト、真偽判定可能なシ-ト、および真偽判定可能な情報記録体 |
CN2005800113600A CN1942789B (zh) | 2004-04-14 | 2005-04-11 | 用于判定真伪的介质、可判定真伪的基材、用于判定真伪的介质标签、用于判定真伪的介质转印片、可判定真伪的片材、以及可判定真伪的信息记录体 |
EP05729183.3A EP1748306B1 (en) | 2004-04-14 | 2005-04-11 | Authentication medium, same as label or transfer sheet, on sheet or information recording medium |
HK07108553.5A HK1104089A1 (en) | 2004-04-14 | 2007-08-06 | Authenticity judging medium, base material capable of judging authenticity, authenticity judging medium label, authenticity judging medium transfer sheet, sheet capable of judging authenticity, and information recording element capable of judging authenticity |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004237194A JP4437721B2 (ja) | 2004-08-17 | 2004-08-17 | 真偽判定用媒体、真偽判定可能な基材、真偽判定用媒体ラベル、および真偽判定用媒体転写シート |
Publications (2)
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JP2006058356A JP2006058356A (ja) | 2006-03-02 |
JP4437721B2 true JP4437721B2 (ja) | 2010-03-24 |
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JP2004237194A Expired - Lifetime JP4437721B2 (ja) | 2004-04-14 | 2004-08-17 | 真偽判定用媒体、真偽判定可能な基材、真偽判定用媒体ラベル、および真偽判定用媒体転写シート |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4905057B2 (ja) * | 2006-10-27 | 2012-03-28 | 凸版印刷株式会社 | 真偽判定シート |
JP5040334B2 (ja) * | 2007-01-30 | 2012-10-03 | 凸版印刷株式会社 | 偽造防止媒体および判別方法 |
JP2009000910A (ja) * | 2007-06-21 | 2009-01-08 | Dainippon Printing Co Ltd | 偽造防止媒体 |
JP2010214671A (ja) * | 2009-03-13 | 2010-09-30 | Dainippon Printing Co Ltd | 真偽判定可能な記録媒体 |
JP2010214670A (ja) * | 2009-03-13 | 2010-09-30 | Dainippon Printing Co Ltd | 真偽判定可能な記録媒体 |
JP5223744B2 (ja) * | 2009-03-17 | 2013-06-26 | 大日本印刷株式会社 | 真偽判定可能な記録媒体の製造方法 |
JP7380554B2 (ja) * | 2018-05-31 | 2023-11-15 | 日本ゼオン株式会社 | 識別媒体及び識別媒体の真正性を識別する方法 |
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2004
- 2004-08-17 JP JP2004237194A patent/JP4437721B2/ja not_active Expired - Lifetime
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