the adhesive layer referring to fig4 the areas 105 of the adhesive layer 106 that are to be exposed to uv light are selected by using a mask 120 the mask 120 includes windows 124 which are transparent to uv light and opaque areas 122 which block uv light the mask material may be paper metal polymer or ceramic material or regular borosilicate glass that blocks uv light the transparent windows may be openings formed in the mask uv transparent suprasil type quartz or certain types of polymer materials which are uv transparent the areas 105 of the adhesive layer 106 that are exposed to the uv light are cured and the areas 103 that do not receive the uv light remain adhesive in one example the mask 120 may be a paper having openings 124 and being attached to the adhesive layer 106 fig4 a the paper mask may be covered with a lining 108 referring to fig5 mask 120 is circular and has a diameter equal to or greater than the diameter of the polishing pad different patterns for the uv windows and complementing uv blocking areas are shown in fig5 and 7 they include transparent u201c polka dot.