Patent ID: 6626196
Filing Date: 2003-09-30
Classification: B01D,B08B,C23C,H05K,Y10S

Abstract:
An arrangement for removing a gaseous medium from apertured panel members which are immersed in a liquid-filled tank prior to subjecting said panels to a wet chemical processing; said arrangement comprising:(a) an inlet conduit for supplying a continuous flow of said liquid to said tank, said conduit comprising a first outlet portion for discharging a portion of said liquid flow into a first chamber of said tank proximate a bottom region of said tank chamber, and a second outlet portion for discharging a further portion of said liquid flow into said first tank chamber at an upper end of said tank; (b) at least one degassing means in said conduit upstream of said outlet portions for eliminating said gaseous medium entrained in said liquid flow; (c) vibratory means in said tank operative to energetically remove residual gaseous medium from said panels and apertures; and (d) a liquid outlet chamber communicating with said first chamber at the upper end of said tank, said outlet chamber communicating with a drain so as to facilitate a continuous circulation of said liquid through and from said tank to thereby eliminate any gaseous medium from said panels and apertures, wherein said at least one degassing means comprises an inline ultrasonic unit in said inlet conduit.