Patent ID: 6112355
Filing Date: 2000-09-05
Classification: B08B,H01L,H05K

Abstract:
An overflow scrub-washing apparatus comprising:a washing vessel that continuously supplies a washing liquid upward from a liquid-supply pipe provided at the bottom of the vessel such that the liquid overflows from a top portion of the vessel;an elevational tray that supports platelike disc workpieces in the vertical direction and parallel with the flow of the liquid to immerse the workpieces in the washing liquid;an elevating member for elevating and lowering said tray between a washing position at which the workpieces are immersed in the washing liquid and a non-washing position at which the workpieces are exposeda brush member having washing brushes so as to be driven and rotated by a motor, for washing in the flow of the washing liquid the workpieces immersed in the washing liquid while being supported on said tray; anda presser member movable between a pressing position where the presser member contacts a periphery of the workpieces and a standby position separated from the workpieces, the presser member being provided separately from the washing brush.