The Lapmaster line of DFO Dual Faced Oscillating Machines incorporates a unique new concept for the precision finishing of large plano optics and electro-optics materials including LCD photomasks and sapphire windows. The......The Lapmaster line of DFO Dual Faced Oscillating Machines incorporates a unique new concept for the precision finishing of large plano optics and electro-optics materials including LCD photomasks and sapphire windows. The machines are designed to process one work piece at a time, machining both sides simultaneously to extremely close tolerances. Depending upon the application, the machine can be fitted with fixed abrasive fine grinding plates, cast iron lapping plates, or aluminum plates for pad polishing.
