| 主权项 |
1. Portion capsule (1) for producing a beverage, comprising a capsule body (2) made from plastic film (6) with a capsule base (2.1) and a cover (3) made from plastic film, wherein, between the capsule base (2.1) and the cover (3), a cavity (4) is formed in which a beverage substrate is provided, and which comprises a machine-detectable identifier (5), which enables the respective portion capsule to be individualised, wherein the identifier is provided in a mono-layer or multi-layer plastic film (6), from which the portion capsule is, at least partially, produced, wherein at least one layer (a) of the plastic film (6) comprises a specified value for the surface resistance and/or contact resistance as identifier (5), characterised in that the layer (a) is constructed from at least two thermoplastic polymers with a different value for electrical resistance. |
