Patent ID: 6130482
Filing Date: 2000-10-10
Classification: H01L

Abstract:
A semiconductor device comprising:a base substrate;an inter-layer insulation film including a first insulation film formed on the base substrate and a second insulation film formed on the first insulation film, the inter-layer insulation film having an opening which reaches the base substrate;a conducting film formed on an inside wall and a bottom of the opening; anda buried conductor buried in the opening with the conducting film formed therein, a top level of the buried conductor being not higher than a top level of the conducting film;a width of the opening in the first insulation film being larger than a width of the opening in the second insulation film, andthe conducting film on the inside wall of the opening, and the conducting film on the bottom of the opening being uninterrupted at a boundary between the inside wall and the bottom of the opening.