Mask etch processing apparatus

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United States of America Patent

PATENT NO 7879151





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Method and apparatus for supporting and transferring a substrate in a semiconductor wafer processing system are provided. In one aspect, an apparatus is provided for supporting a substrate comprising a cover ring comprising a base having a bore disposed therethough, the base having an upper surface and one or more raised surfaces disposed adjacent the bore, wherein the raised surface comprise one or more first substrate support members disposed adjacent an edge of the bore and a capture ring disposed on the cover ring, the capture ring comprising a semi-circular annular ring having an inner perimeter corresponding to the bore of the cover ring and one or more second substrate support members disposed on the inner perimeter and adapted to receive a substrate, wherein the capture ring is adapted to mate with the cover ring and form one contiguous raised surface on the cover ring.

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Patent Owner(s)

Patent OwnerAddressTotal Patents

International Classification(s)


Inventor Name Address # of filed Patents Total Citations
Mak, Alfred W Union City, US 43 1968
Nguyen, Khiem San Jose, US 14 180
Satitpunwaycha, Peter Santa Clara, US 22 420

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