摘要 |
An interconnect structure and method of making the same are provided. The interconnect structure includes a dielectric layer having a patterned opening, a metal feature disposed in the patterned opening, and a dielectric cap overlying the metal feature. The dielectric cap has an internal tensile stress, the stress helping to avoid electromigration from occurring in a direction away from the metal line, especially when the metal line has tensile stress.
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