Patent ID: 9466508
Filing Date: 2016-10-11
CPC Classification: C09K,C23F,H01L,H05K

Claim Text:
1. A liquid composition, comprising: (A) a maleic acid ion source; (B) a copper ion source; and (C) an amine compound of at least one type selected from the group consisting of 1-amino-2-propanol, 2-(methylamino)ethanol, 2-(ethylamino)ethanol, 2-(butylamino)ethanol, 2-(dimethylamino)ethanol, 2-(diethylamino)ethanol, 2-methoxyethylamine, 3-methoxypropylamine, 3-amino-1-propanol, 2-amino-2-methyl-1-propanol, 1-dimethylamino-2-propanol, 2-(2-aminoethoxy)ethanol, morpholine and 4-(2-hydroxyethyl)morpholine, wherein a pH value of the liquid composition is from 4-9.