| 摘要 |
A semiconductor structure having an opening formed in a porous dielectric layer is provided. The exposed pores of the dielectric layer along the sidewalls of the opening are sealed. The sealing may comprise a selective or a non-selective deposition method. The sealing layer has a substantially uniform thickness in one portion of the opening and a non-uniform thickness in another portion of the opening. A damascene interconnect structure having a pore sealing layer is provided as is its method of manufacture.
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