Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...
Patent
1998-03-02
1999-12-21
El-Arini, Zeinab
Cleaning and liquid contact with solids
Processes
For metallic, siliceous, or calcareous basework, including...
134 3, 134 10, 134 254, 134 26, 134 28, 134 34, 134182, 134186, 134902, B08B 304, B08B 308, C23G 102
Patent
active
060044012
ABSTRACT:
A shielding apparatus and method of use for preventing premature entry of a liquid into an overflow drain tube. The shielding apparatus has a shielding member, which may be convex, positioned over an opening of the overflow drain tube. The shielding member deflects airborne liquid and prevents the airborne liquid from passing through the opening. The shielding apparatus also has at least one stem that is inserted through the opening and into the bore of the overflow drain tube. At least one spacer provides a space between at least a portion of the shielding member and a rim that surrounds the opening. The shielding apparatus may be used in a system for cleaning semiconductor structures by preventing liquid from being splashed or projected into the opening of the overflow drain tube. Methods for shielding an overflow drain tube and for cleaning semiconductor structures are also disclosed.
REFERENCES:
patent: 5816274 (1998-10-01), Bartram et al.
patent: 5845663 (1998-12-01), Han
patent: 5873381 (1999-02-01), Han
El-Arini Zeinab
Micron Technology Inc
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