| abstract |
The invention disclosed is a method for ultrasonic etching of polymeric printing plates. The method includes an etching bath energized by means of ultrasonic energy, a water spray bath, and an air dryer. The method for ultrasonic etching of polymeric printing plates includes the steps of immersing a polymeric printing plate in an etching bath, energized by ultrasonic energy, washing the polymeric printing plate in a water spray cleaning bath after ultrasonic etching, and air drying the water washed polymeric printing plate in a current of heated air. |