Patent ID: 11884859
Assignee: VERSUM MATERIALS US, LLC
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A chemical mechanical planarization (CMP) composition comprising:
an abrasive;
an oxidizing agent;
a bicyclic amidine compound or hydrolyzed derivative;
and
a solvent;
wherein the CMP composition has a pH ranging from 2 through 5;
wherein
the abrasive comprises at least one of: colloidal silica; fumed silica; alumina; titania; ceria; zirconia; surface modified particles selected from the group consisting of activator-containing particles, composite particles, lattice doped and inorganic oxide particles; and cationic or anionic charge-modified particles;
the oxidizing agent comprises at least one of: hydrogen peroxide; urea peroxide;
peroxyformic acid; peracetic acid; propaneperoxoic acid; substituted or unsubstituted butaneperoxoic acid; hydroperoxy-acetaldehyde; potassium periodate; ammonium peroxymonosulfate; ferric nitrite; KClO4; KBrO4; and KMnO4; and
the solvent is selected from the group consisting of water, alcohols, ethers, ketones, glycols, organic acids, and combinations thereof.