Patent ID: 11926764
Assignee: RESONAC CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC C  H | IPC C  H

Claim 0:
1. A polishing liquid comprising: abrasive grains; a first nitrogen-containing compound; a second nitrogen-containing compound; and water, wherein
the first nitrogen-containing compound contains at least one selected from the group consisting of (I) a compound having an aromatic ring containing one nitrogen atom in a ring and a hydroxyl group, (II) a compound having an aromatic ring containing one nitrogen atom in a ring and a functional group containing a nitrogen atom, (III) a compound having a 6-membered ring containing two nitrogen atoms in a ring, (IV) a compound having a benzene ring and a ring containing a nitrogen atom in the ring, and (V) a compound having a benzene ring to which two or more functional groups containing a nitrogen atom are bonded, and
an HLB value of the second nitrogen-containing compound is 7 or more.