Patent ID: 7976642

Claim:
A box cleaner, comprising: an ultrasonic cleaning bath having a receiving space to be filled with DIW (Deionized Water) and an ultrasonic wave generator arranged at a bottom thereof; a tray for loading a wafer shipping box thereon; a lift for providing a driving force to put the tray into the ultrasonic cleaning bath and take the tray out of the ultrasonic cleaning bath; and a drying system for drying the cleaned shipping box, wherein a gas sprayer is installed in the ultrasonic cleaning bath for spraying gas into the cleaned shipping box to push the DIW out of the shipping box, thereby draining the DIW, and wherein the drying system includes: a moving plate having a CDA (Clean Dry Air) nozzle attached thereto for spraying CDA into the shipping box loaded on the tray; and a driving tool for horizontally moving the moving plate to enable the CDA nozzle to make scanning.