Patent ID: 9334422
Filing Date: 2016-05-10
CPC Classification: B01J,B24B,C01P,C08K,C09C,C09G,C09K,C23F,H01L

Claim Text:
1. A slurry comprising contact release capsules and a liquid, wherein the contact release capsule comprises a particle, a chemical payload, and an organic polymer coating, wherein: the particle comprises a pore or pores which are impregnated with the chemical payload, the organic polymer coating is present on an outside surface of the particle and is configured to contain the chemical payload in the pore or pores, the organic polymer coating is configured to be removable from the outside surface of the particle to release the chemical payload from the pore or pores by a shearing contact force with a wafer surface during a polishing process, and the particle has a porosity of equal to or greater than about 0.01 cm