Shape change of Ag electrode with shrinkage difference between electrode and dielectric in PDP

In PDP, edge-curl is one of the problems encountered as a result of an interaction between the transparent dielectric and the bus electrode, and has a deleterious effect on the electrical efficiency of the PDP. Edge-curl can increase its height while sintering the dielectric. Therefore, it is important to know the effect of the dielectric on the electrode. This study examined the shape change of the electrode as a function of the sintering temperature by scanning electron microscopy. The thermal properties of the electrode and the dielectric were measured by TG-DTA and dilatometer. Based on these results, a faster reaction of the dielectric around the electrode and the difference in shrinkage between the dielectric and the electrode were found to be causes of the occurrence and deepening of edge-curl.