The spin processor housing has been machined from solid virgin grade materials which do not degrade or generate particles. The bowl-shaped interior forces fluid downward where it is routed directly to the rear drain. The upper plenum closes inside the base providing an overlapping seal. A proprietary motor seal protects the motor and control electronics from chemical contamination. This unique seal has proven to be sub-micron particle-free during field testing. Nitrogen purged process chamber is standard.
OPERATION: After a substrate is loaded on to the chuck, vacuum hold-down is engaged from the side mounted control panel and the lid closed, a preprogrammed process is selected and then initiated by only a few keystrokes. Note: Many other vacuum as well as non-vacuum chucks are available some of which automatically center the wafer and allow for back-side processing.