Optisches Aufzeichnungselement mit einer die Gebrauchsdauer steigernden Schicht

摘要

An optical element is provide which has a durability enhancing layer. There is provided an optical disk comprising a support having on one surface thereof, in order: a) a recording layer (20) such that said recording layer does not cover the entire surface of said disk but leaves an annular portion at the outer diameter; b) a reflective layer (30) such that said reflective layer does not cover the entire surface of said disk but leaves an annular portion at the outer diameter; c) a first protective (40) layer having a thickness between 2-20 mm, said protective layer being of a material having good adhesion to said support and covering a portion of the surface of said disk having said reflective layer, including at least a portion of said annular portion; d) a second protective (50) layer having a thickness of at least 3 mm, said second layer covering at least the area of said surface having the reflective layer and having good adhesion to said first protective layer. In another aspect, there is provided a method wherein the first protective layer is spin coated and the second is screen printed.