Material or article handling – Device for emptying portable receptacle – With jarring means
Patent
1998-03-11
1999-03-23
Werner, Frank E.
Material or article handling
Device for emptying portable receptacle
With jarring means
414754, 414938, 414940, 414217, 414225, 104 35, B65G 6500
Patent
active
058850457
ABSTRACT:
A system includes an interface for receiving a pod having a carrier that receives wafers, and that is initially enclosed within a base and a pod cover. The system also includes a mechanism that transfers an exposed carrier between the interface and a platform of a mass-transfer machine included in the system. The machine includes a gantry arm for transferring the carrier between the platform and a transfer station. A retainer assembly is positionable over the carrier at the transfer station, and over a process carrier that is used in a processing tool. Moveable retainers of the assembly receive and hold wafers. The machine includes an elevator that moves between the transfer station and the process carrier. The elevator extends and retracts for transferring wafers between the retainers and either the carrier or the process carrier. A turntable, that receives the process carrier, permits automatically reorienting wafers.
REFERENCES:
patent: 4776744 (1988-10-01), Stonestreet et al.
patent: 4840530 (1989-06-01), Nguyen
patent: 5570990 (1996-11-01), Bonora et al.
patent: 5613821 (1997-03-01), Muka et al.
patent: 5630690 (1997-05-01), Salzman
Fortrend Engineering Corporation
Schreiber Donald E.
Werner Frank E.
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