JP2007090538A5 - - Google Patents

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Publication number
JP2007090538A5
JP2007090538A5 JP2005279304A JP2005279304A JP2007090538A5 JP 2007090538 A5 JP2007090538 A5 JP 2007090538A5 JP 2005279304 A JP2005279304 A JP 2005279304A JP 2005279304 A JP2005279304 A JP 2005279304A JP 2007090538 A5 JP2007090538 A5 JP 2007090538A5
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JP
Japan
Prior art keywords
medium
layer
authenticity determination
liquid crystal
cholesteric liquid
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
Application number
JP2005279304A
Other languages
Japanese (ja)
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JP2007090538A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2005279304A priority Critical patent/JP2007090538A/en
Priority claimed from JP2005279304A external-priority patent/JP2007090538A/en
Publication of JP2007090538A publication Critical patent/JP2007090538A/en
Publication of JP2007090538A5 publication Critical patent/JP2007090538A5/ja
Pending legal-status Critical Current

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Claims (7)

配向性を有する基材において、前記基材の一方の表面上に、入射光のうち左円偏光、または、右円偏光のいずれか一方を反射するコレステリック液晶層を有し、前記基材の前記コレステリック液晶層と同じ側、あるいは、反対側にホログラム形成層を有し、前記ホログラム層と接してアルミ蒸着層を部分的に設けたことを特徴とする真贋判定用媒体。 In the base material having orientation, on one surface of the base material, the base material has a cholesteric liquid crystal layer that reflects either left circularly polarized light or right circularly polarized light in incident light, and A medium for authenticity determination, comprising a hologram forming layer on the same side as the cholesteric liquid crystal layer or on the opposite side, and an aluminum vapor deposition layer partially provided in contact with the hologram layer. 前記コレステリック液晶層は、パターン印刷により形成されていることを特徴とする請求項１記載の真贋判定用媒体。 2. The medium for authenticity determination according to claim 1, wherein the cholesteric liquid crystal layer is formed by pattern printing. 前記アルミ蒸着層は、デメタライズ処理によりパターニングされていることを特徴とする請求項１または２記載の真贋判定用媒体。 The authenticity determination medium according to claim 1 or 2 , wherein the aluminum vapor deposition layer is patterned by a demetallization process. 前記光選択反射層は、コレステリック液晶層であることを特徴とする請求項１〜３何れか一項記載の真贋判定用媒体。 The medium for authenticity determination according to any one of claims 1 to 3 , wherein the light selective reflection layer is a cholesteric liquid crystal layer. 前記ホログラム形成層には、マイクロ文字、レーザ再生機能等の隠しセキュリティがエンボスとして記録されていることを特徴とする請求項１〜４何れか一項記載の真贋判定用媒体。 Wherein the hologram forming layer, micro-letters, claim 1-4 any one authenticity judgment medium according to hidden security such as a laser playback function is characterized in that it is recorded as embossed. 前記粘着剤層は、黒染料等により黒着色されていることを特徴とする請求項５記載の真贋判定用媒体。 6. The medium for authenticity determination according to claim 5 , wherein the pressure-sensitive adhesive layer is black-colored with a black dye or the like. 真贋判定対象である情報記録体であって、その表面に請求項１〜６何れか一項記載の真贋判定用媒体が積層されていることを特徴とする情報記録体。 An information recording medium is authenticity determination target, the information recording medium, characterized in that the authenticity judgment medium of claim 6 any one according to the surface thereof is stacked.
JP2005279304A 2005-09-27 2005-09-27 Medium for judging authenticity Pending JP2007090538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005279304A JP2007090538A (en) 2005-09-27 2005-09-27 Medium for judging authenticity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005279304A JP2007090538A (en) 2005-09-27 2005-09-27 Medium for judging authenticity

Publications (2)

Publication Number Publication Date
JP2007090538A JP2007090538A (en) 2007-04-12
JP2007090538A5 true JP2007090538A5 (en) 2008-11-06

Family

ID=37976796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005279304A Pending JP2007090538A (en) 2005-09-27 2005-09-27 Medium for judging authenticity

Country Status (1)

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JP (1) JP2007090538A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4693125B2 (en) * 2006-10-11 2011-06-01 大阪シーリング印刷株式会社 Sheet member with liquid crystal and method for producing the same
JP5245296B2 (en) * 2007-06-12 2013-07-24 凸版印刷株式会社 Anti-counterfeit medium and discrimination method
JP5140815B2 (en) * 2008-06-24 2013-02-13 大日本印刷株式会社 Authenticity identifier
JP5282514B2 (en) * 2008-09-30 2013-09-04 大日本印刷株式会社 Authenticity identifier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004117636A (en) * 2002-09-25 2004-04-15 Toppan Printing Co Ltd Forgery preventing transfer foil, forgery preventing sticker, and forgery preventing medium and manufacturing method for the same
JP2005088381A (en) * 2003-09-18 2005-04-07 Dainippon Printing Co Ltd Medium for judging authenticity, medium label for judging authenticity, transfer sheet of medium for judging authenticity, sheet enabling judgment of authenticity and information recorded body enabling judgment of authenticity
JP4257903B2 (en) * 2003-10-28 2009-04-30 日本発條株式会社 Identification medium, identification medium identification method, identification target article, and identification apparatus

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