Membrane dryer

Drying and gas or vapor contact with solids – Process – Gas or vapor contact with treated material

Reexamination Certificate

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Details

C034S381000, C034S443000, C034S445000, C034S476000, C034S480000, C034S492000, C034S493000, C034S517000, C261S104000, C261S107000, C095S008000, C095S012000, C095S045000, C095S050000, C095S052000, C096S010000

Reexamination Certificate

active

06842998

ABSTRACT:
A system, method, and apparatus for supplying a gas-liquid vapor to a process tank for performing semiconductor manufacturing. In one aspect, the invention is a method of supplying a gas-liquid vapor to a process tank comprising: supplying a gas stream through at least one hydrophobic tube; exposing the outside surface of the hydrophobic tube to a liquid so that the liquid permeates the hydrophobic tube and enters the gas stream, forming a gas-liquid vapor inside the tube; and transporting the gas-liquid vapor to the process tank. In another aspect, the invention is an apparatus for supplying a gas-liquid vapor to a process tank comprising: at least one hydrophobic tube adapted to carry a gas; and a housing forming a chamber that surrounds the tube, the chamber adapted to receive a liquid that can permeate the tube, forming a gas-liquid vapor. In yet another aspect, the invention is a system for supplying a gas-liquid vapor to a process tank comprising: the apparatus of the present invention; gas supply means adapted to supply the gas to the tube; liquid supply means adapted to supply the liquid to the chamber; and gas-liquid transport means adapted to carry the gas-fluid vapor from the apparatus to the process tank.

REFERENCES:
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patent: 4936877 (1990-06-01), Hultquist et al.
patent: 5013447 (1991-05-01), Lee et al.
patent: 5368786 (1994-11-01), Dinauer et al.
patent: 5585527 (1996-12-01), Marker
patent: 5868906 (1999-02-01), Adams et al.
patent: 5996976 (1999-12-01), Murphy et al.
patent: 6182951 (2001-02-01), Hallman et al.
patent: 6210464 (2001-04-01), Nakanishi et al.
patent: 63-111909 (1988-05-01), None
patent: 1-297106 (1989-11-01), None

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