Patent ID: 9455224
Filing Date: 2016-09-27
CPC Classification: H01L

Claim Text:
1. An integrated circuit device, comprising a conductive interconnect feature connecting to a first conductive feature, the conductive interconnect feature at least partially within a first insulator layer and passing through a conformal intervening layer distinct from the first insulator layer and partially landing on the first conductive feature, wherein the unlanded portion of the conductive interconnect feature does not penetrate the conformal intervening layer, wherein: the first conductive feature is included in a second insulator layer, and the first insulator layer, conformal intervening layer, and second insulator layer are arranged in a stack, the conformal intervening layer being between the first and second insulator layers, and the first insulator layer comprises a first dielectric material having a first dielectric constant, and the conformal intervening layer comprises a second dielectric material having a second dielectric constant, and the second dielectric constant is higher than the first dielectric constant.