SECURITY DEVICES AND METHODS OF MANUFACTURE THEREOF

A security device is provided, comprising: a surface relief structure formed of one or more cured materials on a substantially flat substrate, the surface relief structure defining a primary set of relief elements at a first scale and a secondary set of relief elements at a second scale which is sma...

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Bibliographic Details
Main Authors JOHN GODFREY, REBECCA LOCKE
Format Patent
LanguageEnglish
Published 26.06.2024
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Summary:A security device is provided, comprising: a surface relief structure formed of one or more cured materials on a substantially flat substrate, the surface relief structure defining a primary set of relief elements at a first scale and a secondary set of relief elements at a second scale which is smaller than the first, the primary set of relief elements including a plurality of raised protrusions spaced by recesses and the secondary set of relief elements being disposed on the tops of at least one of the raised protrusions and/or in at least one of the recesses. A security device comprising a structure formed of cured material(s) and an embossed structure is also provided. Methods of manufacture are also disclosed.
Bibliography:Application Number: ZA20230002558