Material or article handling – Device for emptying portable receptacle – Nongravity type
Reexamination Certificate
2005-02-15
2005-02-15
Lillis, Eileen D. (Department: 3651)
Material or article handling
Device for emptying portable receptacle
Nongravity type
C414S281000, C414S938000, C414S936000
Reexamination Certificate
active
06854948
ABSTRACT:
A stage used, e.g., in semiconductor fabrication, includes a two substrate buffer station and a movable chuck. The buffer station, in one embodiment is fixed, i.e., non-movable relative to the stage. In another embodiment, the support elements of the buffer station may move in unison vertically or horizontally. In another embodiment, a pair of the support elements horizontally moves toward another pair of support elements to reduce the necessary horizontal motion of the chuck. For example, an unprocessed substrate is loaded onto the top supporting elements of the buffer station, while processed substrates are unloaded from the bottom supporting element of the buffer station. The movable chuck is used to remove the unprocessed substrates from the buffer station and to place the processed substrates on the buffer station.
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Colban Dan M.
Kearns Robert S.
Spady Blaine R.
Deuble Mark A.
Lillis Eileen D.
Nanometrics Incorporated
Silicon Valley Patent & Group LLP
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