Microelectronic workpiece processing tool including a...

Details Microelectronic workpiece processing tool including a... Microelectronic workpiece processing tool including a...

2007-11-13

2007-11-13

King, Roy (Department: 1742)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S22400M, C204S237000, C204S242000, C204S245000, C204S275100, C204S286100, C205S640000, C205S651000, C205S671000

Reexamination Certificate

active

10367100

ABSTRACT:
An integrated tool is provided including at least one workpiece processing station having a paddle assembly. In accordance with another independent aspect of the present invention, the workpiece processing station is adapted for adjusting the level of the processing fluid relative to a workpiece, wherein the portion of the workpiece to be processed and possibly the paddle is selectively immersed within the processing fluid. In accordance with a further independent aspect of the present invention, a paddle is provided for use proximate to a workpiece in a workpiece processing station. The paddle includes a one or more sets of delivery ports and one or more sets of fluid recovery ports. In at least one embodiment, the paddle provides for agitation of a processing fluid proximate to the surface of the workpiece. In at least another embodiment, the paddle provides for the delivery and/or recovery of one or more fluids to the portion of the workpiece to be processed. One aspect of the present invention enables the fluids supplied to the workpiece by the paddle to be limited to the space located between the workpiece and the paddle, thus avoiding mixing of these fluids with the processing fluid located within the bowl assembly not supplied by the paddle.

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