FIELD: protective devices.
SUBSTANCE: invention relates to microoptical protective devices. Device comprises a flat array of microoptical focusing elements; and a first image thumbnail structure, wherein each image thumbnail of the first image thumbnail structure comprises a region of light-curable material, wherein each region of the light-curable material occupies a predetermined location in the coverage area of the microoptical focusing element. First image thumbnail structure is visible through a flat array of micro-optical focusing elements in a first predetermined range of viewing angles relative to the micro-optical security device, and is invisible through a flat array of micro-optical focusing elements in a second predetermined range of viewing angles relative to the micro-optical protective device. First structure of the image thumbnails is located relative to the flat array of microoptical focusing elements in such a way that part of the flat array of microoptical focusing elements forms a synthetic image of part of the first structure of image thumbnails.
EFFECT: disclosed is a micro-optical protective device with absolute alignment.
19 cl, 14 dwg
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