Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2005-04-12
2005-04-12
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C250S559290, C414S938000, C414S941000
Reexamination Certificate
active
06878955
ABSTRACT:
An apparatus and method for handling microelectronic workpieces initially positioned in a container. The container can be changeable from a first configuration where the microelectronic workpiece is generally inaccessible within the container to a second configuration where the microelectronic workpiece is accessible for removal from the container. The apparatus can include a container access device positionable proximate to an aperture of an enclosure that at least partially encloses a region for handling a microelectronic workpiece. The container access device can be movably positioned proximate to the aperture to change the configuration of the container from the first configuration to the second configuration. A container support can be positioned proximate to the aperture and can be configured to move the container to a fixed, stationary position relative to the aperture when the container is in the second configuration. Accordingly, the microelectronic workpieces within the container can be less likely to be damaged by movement of the container. Instead, a workpiece transfer device can be configured to have a range of travel that allows it to access each of the microelectronic workpieces within the container without requiring that the container itself be moved. A workpiece detector coupled to the container access device can move generally parallel to the microelectronic workpieces to detect a presence, absence, and/or position of the microelectronic workpieces, without moving laterally toward and away from the microelectronic workpieces.
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Bexten Daniel P.
Hanson Kyle M.
Harris Randy
Perkins Coie LLP
Pyo Kevin
Semitool Inc.
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