Rinser dryer system

Cleaning and liquid contact with solids – Apparatus – With plural means for supplying or applying different fluids...

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Details

134140, 134153, 134155, 134157, 134200, 134902, B08B 302

Patent

active

050224190

ABSTRACT:
Rinser dryer system for rinsing process chemical from silicon or gallium arsenide wafers, substrates, masks or disks and drying os silicon or gallium arsenide wafers, substrate, masks or disks positioned in a wafer cassette. A wafer cassette is positioned in a rotor assembly and the rotor assembly positioned within a removable heated chamber bowl. The wafer cassette rotates past rinsing and drying manifold nozzles. The removable chamber bowl is secured to a rinser dryer mounting plate by quick disconnect hardware for removal and for external cleansing. A broken chip collector in a lower portion of an exhaust manifold assembly removes small broken chip remains. An acidity sensor is positioned in a bottom portion of the exhaust manifold assembly for monitoring rinse effluent during the rinsing process. A gated exhaust valve in an exhaust gas manifold of the exhaust manifold assembly provides for gases to exhaust to an external location. A computer controls cycling of the process modes as the silicon or gallium arsenide wafers, substrates, masks or disks are sprayed, washed, rinsed, and dried.

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