US 12,280,610 B2
Micro-optic security device with absolute registration
Samuel M. Cape, Woodstock, GA (US); Jonathan D. Gosnell, Cumming, GA (US); Benjamin E. Bleiman, Cumming, GA (US); Jennifer Cowan, Marietta, GA (US); and Ryan Toole, Washington, DC (US)
Assigned to Crane & Co., Inc., Dalton, MA (US)
Appl. No. 17/616,098
Filed by CRANE & CO., INC., Dalton, MA (US)
PCT Filed Jun. 12, 2020, PCT No. PCT/US2020/070144
§ 371(c)(1), (2) Date Dec. 2, 2021,
PCT Pub. No. WO2020/252507, PCT Pub. Date Dec. 17, 2020.
Claims priority of provisional application 62/861,864, filed on Jun. 14, 2019.
Prior Publication US 2022/0297463 A1, Sep. 22, 2022
Int. Cl. B42D 25/36 (2014.01); B42D 25/324 (2014.01); B42D 25/45 (2014.01); G02B 3/00 (2006.01); B42D 25/425 (2014.01)
CPC B42D 25/36 (2014.10) [B42D 25/324 (2014.10); B42D 25/45 (2014.10); G02B 3/0012 (2013.01); G02B 3/0037 (2013.01); B42D 25/425 (2014.10)] 20 Claims
OG exemplary drawing
 
1. A micro-optic security device, comprising:
a planar array of micro-optic focusing elements; and
a first arrangement of image icons, each image icon of the first arrangement of image icons comprising a region of light-cured material,
wherein the first arrangement of image icons occupies one or more locations within footprints of focusing elements of the planar array of focusing elements such that the first arrangement of image icons is visible through the planar array of micro-optic focusing elements across a first predetermined range of viewing angles relative to the micro-optic security device, and
wherein the first arrangement of image icons is outside of the one or more locations within footprints of focusing elements which are visible across a second predetermined range of viewing angles, and the first arrangement of image icons is not visible through the planar array of micro-optic focusing elements across the second predetermined range of viewing angles relative to the micro-optic security device.