Patent ID: 9006890
Filing Date: 2015-04-14
Classification: H01L,H05K

Abstract:
1. A microelectronic device, comprising: a first substrate having a plurality of bond pads proximate a contact surface of the first substrate; a first dielectric layer disposed over the plurality of first substrate bond pads and the first substrate contact surface, wherein the first dielectric layer has a plurality of cavities extending therethrough to each of the plurality of first substrate bond pads, wherein inter-cavity walls of the first dielectric layer reside between adjacent cavities, and wherein the inter-cavity walls have sloped sidewalls, wherein the inter-cavity walls include contact structures formed between each of the adjacent cavities, and wherein the inter-cavity wall contact structures are substantially planar to the first substrate contact surface; a second substrate having a plurality of contact lands proximate a contact surface of the second substrate; and solder interconnections between the plurality of first substrate bond pads and corresponding plurality of the second substrate contact lands.