COATED OR BONDED ABRASIVE ARTICLES.

摘要

A coated abrasive article includes a substrate and a patterned set of abrasive structures. Each abrasive structure of the patterned set of abrasive structures has an engineered microfeature, such as an internal structured pore, a surface channel or a cleavage plane. An abrasive article (coated or bonded) includes an outer surface having a poor mold release contour. An abrasive article includes a plurality of patterned layers wherein, within a layer of the patterned layers, a first region has a first composition and a second region has a second composition different from the first composition.