Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force
Patent
1997-03-19
1998-11-03
Bennett, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With apparatus using centrifugal force
F26B 1724
Patent
active
058291563
ABSTRACT:
A spin dryer apparatus substrate such as a wafer can dry without degrading the cleanliness on both front and back sides of the wafer and without unnecessary cost increases. The spin dryer apparatus includes a holder section for holding a substrate in a substantially horizontal plane and defining a back space located beneath a back surface of the substrate, a driving section for rotating the holder section in the substantially horizontal plane, and a gas supply mechanism for supplying a clean gas into the back space. It is possible to avoid contamination of the back side of the substrate by preventing an ascending gas flow from approaching the substrate. A nozzle device is available for supplying a cleaning fluid on the substrate
REFERENCES:
patent: 5083381 (1992-01-01), Aigo
patent: 5375291 (1994-12-01), Tateyama et al.
patent: 5435075 (1995-07-01), Shiraishi et al.
patent: 5651160 (1997-07-01), Yonemizu et al.
patent: 5667535 (1997-09-01), Kasahara
Ogure Naoaki
Shibasaki Mitsunao
Bennett Henry A.
Ebara Corporation
Gravini Steve
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