In this paper, we report that a cured acrylate based film is selected as the record layer of CDs. Its absorption coefficient at 633 nm and 780 nm and the glass transition temperature are measured, which is a characterization of stability. With the theory of heat absorption, the temperature field distribution is computed based on the typical CD ROM structure. The results show that the temperature rise around an aluminia reflector has a significant influence upon the stability of the record layer.