Methods of manufacturing security documents and security devices

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10593006
APP PUB NO 20180186165A1
SERIAL NO

15740576

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A security device is disclosed, comprising forming an array of focussing elements on first region of first surface of focussing element support layer, applying a pedestal layer comprising one transparent material onto first region of first surface of focussing element support layer applying transparent curable material to the pedestal layer or a casting tool carrying surface relief corresponding to focussing elements, over first region forming transparent curable material(s) with the casting tool bringing first surface of focussing element support layer against the casting tool that transparent curable material between the surface relief and the pedestal layer, across first region; and curing transparent curable material(s) on the pedestal layer to retain surface relief in first region; wherein focal length of focussing elements focal plane lies on first surface of focussing element support layer, or beyond first surface of focussing element support layer relative to the location of array of focussing elements.

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Patent Owner(s)

  • DE LA RUE INTERNATIONAL LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holmes, Brian William Hampshire, GB 52 823

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