Biaxially oriented polyester film, the use thereof, and process for the production thereof

摘要

The invention relates to a biaxially oriented polyester film which has very good optical properties and good processing behavior and which after it has been metallized or coated with oxidic materials exhibits a high oxygen barrier and which is built up from at least one base layer B and at least one layer A applied on top of this base layer, this layer A having a defined number of elevations of defined height and diameter. The invention also relates to the use of the film and a process for the production thereof.