Film structure with protection against manipulation
AssigneeSchreiner Group GmbH & Co. KG
InventorMark Walter
Life of this patent
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Abstract
A film structure with protection against manipulation includes a top film, a laser-inscribable layer which is arranged on the bottom side of the top film, and also a bottom film and a connecting layer for connecting the bottom film to the top film and the laser-inscribable layer. The connecting layer is arranged between the laser-inscribable layer and the bottom film. The film structure has an inscribed region and an uninscribed region. The top film is fused with the bottom film in the inscribed region of the film structure. As a result, it is virtually impossible to separate the top film with the inscribed layer from the bottom film without destruction in the event of a manipulation attempt.
Claims14
A film structure with protection against manipulation, comprising:
- a top film (10),
- a laser-inscribable layer (20), which is affixed onto the underside (U10) of the top film (10) and thus is permanently bonded with the top film (10),
- a bottom film (40) being a layer of plastic,
- a bonding layer (30) for bonding the bottom film (40) with the top film (10) and the laser-inscribable layer (20), wherein the bonding layer (30) is disposed between the laser-inscribable layer (20) and the bottom film (40) in a manner such that the bonding layer (30) is disposed directly underneath the laser-inscribable layer (20) and directly above the bottom film (40) and there is no intermediate layer at any point between the bonding layer (30) and the bottom film (40), and there is no other intermediate layer between the bonding layer (30) and the laser-inscribable layer (20),
- wherein the film structure (100) has an inscribed region (101) and a non-inscribed region (102),
- wherein the top film (10) is fused together with the bottom film (40) in the inscribed region (101).
Dependencies are inferred from the claim text.