Portion capsule having an identifier

Abstract

A portion capsule for producing a beverage includes a base element having a cavity in which a beverage raw material is provided and which is closed by a membrane fastened to the base element.

1 . A single-serve capsule for making a beverage, comprising:
 a base element with a cavity in which a beverage raw material is provided, the cavity being closed by a membrane, which is fastened to the basic element, and   an identifier, which makes it possible to individualize the respective single-serve capsule,   wherein the identifier comprises at least two areas having different optical reflection properties, and   wherein the identifier is provided in the membrane as a partial layer of the membrane.   
     
     
         2 . The single-serve capsule according to  claim 1 , wherein the identifier comprises recesses and bulges. 
     
     
         3 . The single-serve capsule according to  claim 1 , wherein the identifier is a metal layer provided in the membrane. 
     
     
         4 . (canceled) 
     
     
         5 . (canceled) 
     
     
         6 . (canceled) 
     
     
         7 . (canceled) 
     
     
         8 . (canceled) 
     
     
         9 . The single-serve capsule according to  claim 1 , wherein the single-serve capsule comprises a filter element placed in the cavity, which divides the cavity into a first area for receiving the beverage raw material and a second area for receiving a beverage extract. 
     
     
         10 . The single-serve capsule according to  claim 9 , wherein the filter element comprises a non-woven material. 
     
     
         11 . Use of the single-serve capsule according to  claim 1  for preparing a hot beverage. 
     
     
         12 . The single-serve capsule according to  claim 1 , wherein the identifier comprises recesses and bulges, which are arranged in an alternating pattern. 
     
     
         13 . A single-serve capsule for making a beverage, comprising:
 a base element with a cavity in which a beverage raw material is provided, the cavity being closed by a membrane, which is fastened to the basic element,   a filter element placed in the cavity, which divides the cavity into a first area for receiving the beverage raw material and a second area for receiving a beverage extract,   an identifier, which makes it possible to individualize the respective single-serve capsule,   wherein the identifier comprises at least two areas having different optical reflection properties,   wherein the identifier is provided in the membrane as a partial layer of the membrane,   wherein the identifier comprises recesses and bulges, which are arranged in an alternating pattern.   
     
     
         14 . The single-serve capsule according to  claim 13 , wherein the filter element comprises a non-woven material.