Security printing using a diffraction grating

    公开(公告)号:AU2015200335A1

    公开(公告)日:2015-02-12

    申请号:AU2015200335

    申请日:2015-01-23

    Applicant: BASF SE

    Abstract: C:\NRPortbl\DCC\LGL\50055561 .DOC-23/01/2015 SECURITY PRINTING USING A DIFFRACTION GRATING 5 An in-line method of printing on a substrate using a conventional printing press apparatus together with means for forming a diffraction grating, comprising the steps of: a) forming a diffraction grating on a discrete portion of the substrate; and b) depositing a metallic ink on at least a portion of the diffraction grating, wherein the metallic ink comprises metal pigment particles and a binder and wherein the 10 thickness of pigment particles is in the range 100 to 400 angstroms.

    Security printing using a diffraction grating

    公开(公告)号:AU2013201941A1

    公开(公告)日:2013-04-18

    申请号:AU2013201941

    申请日:2013-03-26

    Applicant: BASF SE

    Abstract: C:\NRPortbI\DCC\LGL\5003556_1.DOC-20/03/2013 An in-line method of printing on a substrate using a conventional printing press apparatus together with means for forming a diffraction grating, comprising the steps of: 5 a) forming a diffraction grating on a discrete portion of the substrate; and b) depositing a metallic ink on at least a portion of the diffraction grating, wherein the metallic ink comprises metal pigment particles and a binder and wherein the thickness of pigment particles is in the range 100 to 400 angstroms.

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