Gripper and method of operating the same

Details Gripper and method of operating the same Gripper and method of operating the same

2003-12-04

2008-10-14

Kramer, Dean J (Department: 3652)

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

C414S935000

Reexamination Certificate

active

07434856

ABSTRACT:
The invention relates to a gripper for handling frames (2) that are covered with a film (3) that is intended for the transport of wafers (6). The gripper comprises at least two flat fingers (10) that carry flattened finger tips (8). This construction allows to insert the gripper between two frames (2) that are mounted in a cassette (9) without complication. The fingers (10) support in subsections both the frame (2) and the film (3). The film is attached to the frame due to the suction effect exerted by vacuum openings (5) configured on the frame, thereby fixating the film on the gripper.

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