Chamber, at least for the transport of workpieces, a chamber combination, a vacuum treatment facility as well as a transport method
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United States of America Patent
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-
Aug 1, 2000
Issued Date -
N/A
app pub date -
Jan 25, 1999
filing date -
Oct 6, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
At least one chamber is provided for transport of workpieces such as storage disks, at least at times, into the vacuum atmosphere, during their manufacturing and comprises at least two exterior openings for the guiding-through of a workpiece. A majority of workpiece-receiving devices can be rotated jointly about an axis. At least one transport element is provided and is aligned with an opening. The transport element is disposed in the chamber independently of the rotatable workpiece-receiving devices and can be moved out and back in a radially controlled manner in at least one component, and engages on a workpiece in the opening area. A transport method for workpieces in an evacuatable chamber provides that at least two workpieces are rotated about a center in a plane of rotation and are displaced individually in a radial manner with respect to the center of rotation at least in one movement component.
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