Patent ID: 8952539
Filing Date: 2015-02-10
Classification: C08L,H01L

Abstract:
1. An interconnect structure comprising: a cured photo-patternable low k (PPLK) material located atop a substrate, wherein said cured PPLK material includes a plurality of conductively filled openings located therein; at least one air gap located within said cured PPLK material between preselected neighboring conductively filled openings, but not directly beneath said conductively filled openings, wherein a vertical portion of the at least one air gap directly contacts a diffusion barrier layer lining sidewall surfaces of said conductively filled openings and a bottommost surface of said at least one air gap directly contacts a portion of said cured PPLK material; and a dielectric cap located atop said cured PPLK material and atop said at least one air gap.