US Patent 11958162 CMP pad construction with composite material properties using additive manufacturing processes

Embodiments of the disclosure generally provide polishing pads having a composite pad body and methods for forming the polishing pads. In one embodiment, the composite pad body includes one or more first features formed from a first material or a first composition of materials, and one or more second features formed from a second material or a second composition of materials, wherein the one or more first features and the one or more second features are formed by depositing a plurality of layers comprising the first material or first composition of materials and second material or second composition of materials.