Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force
Patent
1989-09-27
1991-01-29
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With apparatus using centrifugal force
34184, F26B 1724
Patent
active
049876872
ABSTRACT:
A rotary wafer drying apparatus comprises a rotatable rotor for applying centrifugal force to the wafers, and a motor for rotating the rotor. A pair of cradles, attached to the rotor, receive a plurality of wafers arranged vertically. When the wafers are to be dried, the cradles are rotated by about 90.degree. from the state of reception, with the wafers maintained approximately at the horizontal state. When wafers of different diameters are to be dried and the size of the cradles should be changed correspondingly, not the rotor itself but only the pair of cradles in the rotor are changed.
REFERENCES:
patent: 4677759 (1987-07-01), Inamura
patent: 4777732 (1988-10-01), Hirano
patent: 4848006 (1989-07-01), Seiichiro
Bennet Henry A.
Dainippon Screen Mfg. Co,. Ltd.
Gromada Denise L. F.
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