Ultrasonic Mask Cleaning Device with Mixed Ultrasonic Oscillator

摘要

A washing tub containing a washing liquid; A transferring hanger for supporting the mask to be cleaned and putting it into the cleaning bath; And a horn-type ultrasonic oscillator which is installed in the cleaning tank and generates vibration, a booster which amplifies the vibration, and a horn-type ultrasonic oscillator which receives vibration from the booster and generates ultrasonic waves, Is cleaned by line-scanning the front face of the ultrasonic mask. The cleaning apparatus of the present invention is applied to clean a mask in a cathode ray tube manufacturing process.