Abrading – Abrading process – Utilizing fluent abradant
Patent
1998-05-26
2000-03-14
Eley, Timothy V.
Abrading
Abrading process
Utilizing fluent abradant
451 83, B24B 100
Patent
active
060365811
ABSTRACT:
A substrate cleaning method includes the steps of supplying a cleaning fluid containing fine argon particles or fine carbon dioxide gas particles to a nozzle unit which is accommodated in a vacuum container and in which spray nozzle holes are arranged to blow the cleaning fluid toward a plurality of spaces, where a plurality of cleaning target substrates are respectively arranged, from front and back sides simultaneously, discharging the fluid outside the vacuum container to maintain an interior of the vacuum container in vacuum, arranging and fixing the plurality of cleaning target substrates respectively in the plurality of spaces and cleaning the cleaning target substrates while vertically moving either one of the cleaning target substrates and the nozzle unit so that the cleaning target substrates and the nozzle unit vertically move relative to each other, and supplying a discharge fluid, which constantly discharges the cleaning fluid from the spaces, from above the cleaning target substrates. An apparatus for practicing this method is also disclosed.
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Wayne T. McDermott, et al., Removing submicron surface particles using a cryogenic argon-aerosol technique, Microcontamination, Oct. 1991, pp. 33-36; 94-95.
Wayne T. McDermott et al., Surface cleaning by a cryogenic argon aerosol, 1991 Proceedings--Inst. of Environ. Sci.
Eley Timothy V.
NEC Corporation
Nguyen Dung Van
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