Antisoiling dlc layer

摘要

The present invention relates to a substrate comprising two main sides, at least one of which comprises a non-reflecting coating, characterized in that an air-contacting outer layer is deposited onto said non-reflecting coating, said outer layer having a thickness of 10 nm or less, a surface energy of less than 60 mJ/m² and a surface presenting a contact angle with oleic acid of less than 70°.