Microtransfer Molding Of Gelcasting Suspensions To Fabricate Barrier Ribs For Plasma Display Panel

A new fabrication technique for the barrier ribs of a plasma display panel (PDP) has been developed. The rib structure was formed on a glass plate by micro-transfer moulding a gelcasting suspension with a flexible soft mold. A well-dispersed gelcasting suspension of the glass frit was placed on the photolitho-graphically patterned mold, followed by gelation and drying while pressed with a top glass plate. The rib structure replicated by micromolding was significantly influenced by the gelation kinetics, the green strength of the gelled body, and the mould release process. It was demonstrated that the box-type array of 1176 wells in the patterned area of 6.5cm x 6.5xm could be produced using the current method.