SURFACE CLEANING METHOD Russian patent published in 2002 - IPC

Abstract RU 2195046 C2

FIELD: microelectronics; manufacture of very-large-scale integrated circuits. SUBSTANCE: wafer to be cleaned is placed in vacuum chamber and its surface is treated with augmented jet of nitrogen and argon cryogenic aerosol doped with oxygen additive in environment of ultraviolet radiation whose wavelength is minimum 200 nm. EFFECT: enhanced effectiveness of cleaning rough surfaces from organic impurities. 1 tbl, 1 ex

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RU 2 195 046 C2

Authors

Bokarev V.P.

Gornev E.S.

Gushchin O.P.

Prosij A.D.

Dates

2002-12-20Published

2000-06-15Filed