| 摘要 |
The invention relates to a filter element (20), comprising individual components (2, 4, 8), such as a filter medium (8) as one component and further filter element components (2, 4), of which at least one component (4) is made of a material that is at least partially transparent to laser light and at least one further component (2), in the manner of a barrier layer, is made of a material that is at least partially opaque to laser light in order to perform a transmission welding method by means of laser light for the purpose of connecting associable filter elements to each other, wherein said method is characterized in that at least some of the components of the filter element that are exposed to the laser light during the transmission welding method are at least partially electrically conductive. |
