Remote inductively coupled plasma source for CVD chamber...

Details Remote inductively coupled plasma source for CVD chamber... Remote inductively coupled plasma source for CVD chamber...

2008-05-02

2011-12-13

Alejandro, Luz L. (Department: 1716)

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With radio frequency antenna or inductive coil gas...

C118S7230IR

Reexamination Certificate

active

08075734

ABSTRACT:
The present invention generally includes a remote plasma source and a method of generating a plasma in a remote plasma source. Cleaning gas may be ignited into a plasma in a remote location and then provided to the processing chamber. By flowing the cleaning gas outside of a cooled RF coil, a plasma may be ignited at either high or low pressure while providing a high RF bias to the coil. Cooling the RF coil may reduce sputtering of the coil and thus reduce undesirable contaminants from being fed to the processing chamber with the cleaning gas plasma. Reduced sputtering from the coil may extend the useful life of the remote plasma source.

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