Semiconductor device producing method

Semiconductor device manufacturing: process – Coating of substrate containing semiconductor region or of... – Insulative material deposited upon semiconductive substrate

Reexamination Certificate

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C257SE21240

Reexamination Certificate

active

08058184

ABSTRACT:
Disclosed is a producing method of a semiconductor device, including: loading at least one substrate formed on a surface thereof with a tungsten film into a processing chamber; and forming a silicon oxide film on the surface of the substrate which includes the tungsten film by alternately repeating following steps a plurality of times: supplying the processing chamber with a first reaction material including a silicon atom while heating the substrate at 400° C.; and supplying the processing chamber with hydrogen and water which is a second reaction material while heating the substrate at 400° C. at a ratio of the water with respect to the hydrogen of 2×10−1or lower.

REFERENCES:
patent: 6905939 (2005-06-01), Yuan et al.
patent: 7767594 (2010-08-01), Miya et al.
patent: 2004/0132272 (2004-07-01), Ku et al.
patent: 2005/0110101 (2005-05-01), Kaneko et al.
patent: 2006/0032442 (2006-02-01), Hasebe
patent: 2004-111962 (2004-04-01), None
patent: 2005-079223 (2005-03-01), None
patent: 2005-327836 (2005-11-01), None
patent: 2006-054432 (2006-02-01), None
patent: 2004-25479 (2004-03-01), None
patent: 10-2006-0050163 (2006-05-01), None
Korean Office Action issued Sep. 30, 2009 in counterpart Korean Application No. 10-2007-7030268.

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