Wafer gripping device adapted to swivel wafers taken from a hori

Details Wafer gripping device adapted to swivel wafers taken from a hori Wafer gripping device adapted to swivel wafers taken from a hori

1997-07-07

2000-07-25

Werner, Frank E.

Material or article handling

Device for emptying portable receptacle

Nongravity type

2941031, 414941, 414937, 414938, 414740, 269 86, B65G 6500

Patent

active

060929715

ABSTRACT:
For removing and transporting several spaced, parallel wafers stored in a container, a gripping device is provided. The gripping device has a holding rake and several gripping heads which can be rotated with respect to the holding rake. In one swivel position, the gripping heads are moved through between the wafers and then swivelled into another swivel position. In this latter position, the gripping heads are brought to a stop against the edges of the wafers movement of the gripping device, and then the opposite edges of the wafer disks are brought to stop against the counterholder by displacement of the counterholder. All wafers contained in the container are thus simultaneously securely held and can be displaced out of the container. In order to then swivel the wafers, the holding rake which has slots for receiving the wafer edges is also stopped at the wafer edges, and the counterholder is then pushed back. The wafers are therefore securely swivelled. In the swivelled position, the vertically standing wafers are supplied to a processing carrier.

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