Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices
Reexamination Certificate
2011-08-09
2011-08-09
Johnston, Phillip A (Department: 2881)
Radiant energy
Irradiation of objects or material
Irradiation of semiconductor devices
C250S3960ML, C250S397000, C250S398000, C250S492200, C250S492300
Reexamination Certificate
active
07994488
ABSTRACT:
An ion implantation system comprising an ion source that generates an ion beam along a beam path, a mass analyzer component downstream of the ion source that performs mass analysis and angle correction on the ion beam, a resolving aperture electrode comprising at least one electrode downstream of the mass analyzer component and along the beam path having a size and shape according to a selected mass resolution and a beam envelope, a deflection element downstream of the resolving aperture electrode that changes the path of the ion beam exiting the deflection element, a deceleration electrode downstream of the deflection element that decelerates the ion beam, a support platform within an end station for retaining and positioning a workpiece which is implanted with charged ions, and wherein the end station is mounted approximately eight degrees counterclockwise so that the deflected ion beam is perpendicular to the workpiece.
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Axcelis Technologies Inc.
Eschweiler & Associates LLC
Johnston Phillip A
Logie Michael J
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