Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With plasma generation means remote from processing chamber
Reexamination Certificate
2005-09-06
2005-09-06
Alejandro-Mulero, Luz (Department: 1763)
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With plasma generation means remote from processing chamber
C156S345410, C156S345470, C156S345480, C118S7230AN, C118S7230MR, C118S7230ER, C118S7230IR
Reexamination Certificate
active
06939434
ABSTRACT:
A plasma reactor is described that includes a vacuum chamber defined by an enclosure including a side wall and a workpiece support pedestal within the chamber defining a processing region overlying said pedestal. The chamber has at least a first pair of ports near opposing sides of said processing region and a first external reentrant tube is connected at respective ends thereof to the pair of ports. The reactor further includes a process gas injection apparatus (such as a gas distribution plate) and an RF power applicator coupled to the reentrant tube for applying plasma source power to process gases within the tube to produce a reentrant torroidal plasma current through the first tube and across said processing region. A magnet controls radial distribution of plasma ion density in the processing region, the magnet having an elongate pole piece defining a pole piece axis intersecting the processing region.
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Barnes Michael S.
Collins Kenneth S.
Hanawa Hiroji
Nguyen Andrew
Nguyen Huong Thanh
Alejandro-Mulero Luz
Applied Materials Inc.
Law Office of Robert M. Wallace
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