Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Patent
1999-03-05
2000-11-14
Stinson, Frankie L.
Cleaning and liquid contact with solids
Processes
Including regeneration, purification, recovery or separation...
134 254, 1341001, 134110, 134111, 134902, B08B 304
Patent
active
061464686
ABSTRACT:
Method and apparatus for cleaning semiconductor devices and other workpieces using an aqueous rinse solution which is de-oxygenated and hydrogen enriched by passing the aqueous rinse solution and a treatment fluid through an osmotic membrane degasifier. In the preferred embodiment, only a single component, forming gas, is employed to provide both functions of oxygen removal and hydrogen injection.
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Dryer Paul William
Sundin James Bradley
Tirendi Richard Scott
SpeedFam-IPEC Corporation
Stinson Frankie L.
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