Semiconductor device manufacturing: process – Making passive device – Stacked capacitor
Reexamination Certificate
2008-11-06
2009-12-29
Kebede, Brook (Department: 2894)
Semiconductor device manufacturing: process
Making passive device
Stacked capacitor
C257SE21648
Reexamination Certificate
active
07638407
ABSTRACT:
Forming a capacitor of a semiconductor device includes forming an interlayer dielectric having holes over a semiconductor substrate. A conductive layer is then formed on surfaces of the holes and on the upper surface of the interlayer dielectric. A silicon-containing conductive layer is formed by flowing a silicon source gas for the semiconductor substrate formed with the conductive layer, so that silicon atoms can penetrate into the conductive layer. The silicon-containing conductive layer prevents etchant from infiltrating the interlayer dielectric below the silicon-containing conductive layer.
REFERENCES:
patent: 2006/0014385 (2006-01-01), Kim et al.
patent: 2006/0246678 (2006-11-01), Manning
Cho Ho Jin
Kim Jae Soo
Lee Dong Kyun
Park Cheol Hwan
Hynix / Semiconductor Inc.
Kebede Brook
Ladas & Parry LLP
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