Patent ID: 6825566
Filing Date: 2004-11-30
Classification: H01L

Abstract:
A semiconductor device, comprising:an underlayer; a base oxide film with first holes and formed on the underlayer; a groove having a sidewall formed in said base oxide film around respective ones of said first holes; a plurality of nitride film patterns, each having a hole pattern, respectively, formed on the base oxide film and directly connected to said first holes, respectively; an upper oxide film provided on top of said base oxide film to cover the nitride film patterns, the upper oxide film having formed therethrough a plurality of wiring grooves which each reaches part of an associated nitride film pattern including said hole patterns; and wiring metal that fills said first holes, and said wiring grooves; and wherein said nitride film patterns are separate from each other and have a shape and size that extends from the outside of their associated wiring groove.