JP6909121B2 - 偽造防止構造体、偽造防止媒体及び偽造防止構造体の検査方法 - Google Patents
偽造防止構造体、偽造防止媒体及び偽造防止構造体の検査方法 Download PDFInfo
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- JP6909121B2 JP6909121B2 JP2017181979A JP2017181979A JP6909121B2 JP 6909121 B2 JP6909121 B2 JP 6909121B2 JP 2017181979 A JP2017181979 A JP 2017181979A JP 2017181979 A JP2017181979 A JP 2017181979A JP 6909121 B2 JP6909121 B2 JP 6909121B2
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- 238000007689 inspection Methods 0.000 title description 3
- 238000002834 transmittance Methods 0.000 claims description 216
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- 230000003449 preventive effect Effects 0.000 claims 1
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- 238000010586 diagram Methods 0.000 description 40
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- 239000003990 capacitor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
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- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/328—Diffraction gratings; Holograms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/373—Metallic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
- B42D25/382—Special inks absorbing or reflecting infrared light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/378—Special inks
- B42D25/391—Special inks absorbing or reflecting polarised light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/10—Microwaves
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Description
10、50、150、160 偽造防止構造体
20〜23、120〜123 分割リング共振器(SRR)
16 導電性層
17 ベース部材
41 接着層
42 ホログラム層
43 離型層
61 テラヘルツ電磁波送信部
62 テラヘルツ電磁波受信部
63 搬送部
64 制御部
65 記憶部
221、222 LC共振器
223、224 スリット共振器
Claims (9)
- 媒体の真贋を判別するために前記媒体に設けられる偽造防止構造体であって、
共振するテラヘルツ電磁波の偏光方向が異なる複数種類の共振器構造を混在させて形成した混成領域と、
所定方向を偏光方向とする所定周波数のテラヘルツ電磁波を照射したときに透過率が異なる複数種類の領域と
を含み、
前記複数種類の領域が複数種類の前記混成領域を含み、該複数種類の前記混成領域それぞれが、前記複数種類の共振器構造が混在する比率が異なり、前記透過率が異なる領域であることを特徴とする偽造防止構造体。 - 前記複数種類の共振器構造は、同一周波数のテラヘルツ電磁波で共振することを特徴とする請求項1に記載の偽造防止構造体。
- 前記混成領域は、前記複数種類の共振器構造の組合せからなる基本パターンを繰り返し配置して形成されることを特徴とする請求項1又は2に記載の偽造防止構造体。
- 所定方向を偏光方向とする所定周波数のテラヘルツ電磁波を照射したときに、前記混成領域における透過率が、前記複数種類の共振器構造が混在する比率に応じた所定の値となることを特徴とする請求項1〜3のいずれか1項に記載の偽造防止構造体。
- 前記複数種類の共振器構造には、共振するテラヘルツ電磁波の偏光方向が90度異なる少なくとも2種類の共振器構造が含まれることを特徴とする請求項1〜4のいずれか1項に記載の偽造防止構造体。
- 可視光下で所定の図柄が観察されるホログラム層をさらに備えることを特徴とする請求項1〜5のいずれか1項に記載の偽造防止構造体。
- 紙幣に形成されていることを特徴とする請求項1〜6のいずれか1項に記載の偽造防止構造体。
- 請求項1〜6のいずれか1項に記載の偽造防止構造体を備えることを特徴とする偽造防止媒体。
- 請求項1〜6のいずれか1項に記載の偽造防止構造体の検査方法であって、
前記偽造防止構造体に前記テラヘルツ電磁波を照射する工程と、
反射又は透過した前記テラヘルツ電磁波を検出する工程と、
検出した強度、透過率又は反射率を予め記憶した基準データと比較する工程と
を含むことを特徴とする偽造防止構造体の検査方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017181979A JP6909121B2 (ja) | 2017-09-22 | 2017-09-22 | 偽造防止構造体、偽造防止媒体及び偽造防止構造体の検査方法 |
PCT/JP2018/034601 WO2019059218A1 (ja) | 2017-09-22 | 2018-09-19 | 偽造防止構造体、偽造防止媒体及び偽造防止構造体の検査方法 |
EP18859678.7A EP3686024B1 (en) | 2017-09-22 | 2018-09-19 | Anti-counterfeiting structure, anti-counterfeiting medium, and method for examining anti-counterfeiting structure |
US16/824,703 US20200215842A1 (en) | 2017-09-22 | 2020-03-20 | Forgery prevention structure, forgery prevention medium, and method for inspecting forgery prevention structure |
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JP2017181979A JP6909121B2 (ja) | 2017-09-22 | 2017-09-22 | 偽造防止構造体、偽造防止媒体及び偽造防止構造体の検査方法 |
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JP2019055546A JP2019055546A (ja) | 2019-04-11 |
JP6909121B2 true JP6909121B2 (ja) | 2021-07-28 |
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US (1) | US20200215842A1 (ja) |
EP (1) | EP3686024B1 (ja) |
JP (1) | JP6909121B2 (ja) |
WO (1) | WO2019059218A1 (ja) |
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CN110632291B (zh) * | 2019-09-26 | 2020-10-20 | 中国科学院半导体研究所 | 太赫兹超材料生物传感器及其制备方法和检测方法 |
CN113219576A (zh) * | 2021-04-22 | 2021-08-06 | 桂林电子科技大学 | 基于石墨烯-金属裂环谐振器近场成像的方法 |
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JP5110566B2 (ja) * | 2007-04-04 | 2012-12-26 | 凸版印刷株式会社 | 偽造防止構造体及び真贋判別装置 |
US10562024B2 (en) * | 2011-01-04 | 2020-02-18 | Tufts University | Electronic components on paper-based substrates |
CN107300527B (zh) * | 2013-07-19 | 2020-06-30 | 韩国食品研究院 | 太赫兹用光学识别元件、识别装置及识别单元用照明装置 |
JP6418592B2 (ja) * | 2014-06-12 | 2018-11-07 | 凸版印刷株式会社 | 偽造防止構造体、偽造防止媒体、及び、真贋判別装置 |
JP2016091157A (ja) * | 2014-10-31 | 2016-05-23 | 凸版印刷株式会社 | 情報記録媒体 |
JP6484049B2 (ja) * | 2015-02-03 | 2019-03-13 | 凸版印刷株式会社 | 偽造防止構造体、偽造防止媒体、及び、真贋判別装置 |
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2017
- 2017-09-22 JP JP2017181979A patent/JP6909121B2/ja active Active
-
2018
- 2018-09-19 WO PCT/JP2018/034601 patent/WO2019059218A1/ja unknown
- 2018-09-19 EP EP18859678.7A patent/EP3686024B1/en active Active
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2020
- 2020-03-20 US US16/824,703 patent/US20200215842A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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EP3686024A1 (en) | 2020-07-29 |
WO2019059218A1 (ja) | 2019-03-28 |
EP3686024B1 (en) | 2022-07-27 |
EP3686024A4 (en) | 2020-12-23 |
US20200215842A1 (en) | 2020-07-09 |
JP2019055546A (ja) | 2019-04-11 |
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