A method of reducing a transmission rate includes determining whether a pause has been received. The light guide plate includes a first surface, a second surface opposite to the first surface, and diffusion pots positioned on the first surface. 00, and in which the amount of group VIB elements is in the range 1% to 20% by weight of oxides of group VIB elements and in which the support has a specific surface area of less than 135 m2g. In this aspect, the method also includes providing a seed layer using atomic layer deposition and providing a PMR pole on the seed layer.