Security element comprising a partial magnetic layer

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United States of America Patent

APP PUB NO 20070166518A1
SERIAL NO

10587710

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention concerns a security element, in particular a security thread, for value documents such as banknotes, credit cards, identity passes or tickets, which has at least one partial magnetic layer for storing an item of coded information, and a process for the production thereof. An adhesive layer 11s of a radiation-crosslinkable adhesive is applied to a first film body 51, the adhesive layer 11s of the radiation-crosslinkable adhesive is applied in a form structured in pattern form to the base film 51 and/or is irradiated in pattern form in such a way that the adhesive layer hardens structured in pattern form. A transfer film 41 which has a carrier film and a magnetic layer is applied to the adhesive layer 11s with an orientation of the magnetic layer relative to the adhesive layer and the carrier film is removed from the second film body including the first film body 51, the adhesive layer 11s and the magnetic layer. The magnetic layer remains on the first film body 51 in a first region structured in pattern form and the magnetic layer remains on the carrier film in a second region structured in pattern form and is removed with the carrier film from the first film body 51.

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Patent Owner(s)

Patent OwnerAddress
LEONHARD KURZ GMBH & CO KGFUERTH GERMANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brehm, Ludwig Adelsdorf, DE 41 468

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