Exploration of poly(1,4-butanediol diglycidyl ether, 2-methylimidazole, and imidazole) as leveling agents in blind hole copper plating. - Zeng, Xiangjian; Pan, Zhanchang; Hu, Guanghui; Xia, Guowei; Huang, Haiqing; Zou, Mingliang; Shi, Shikun (Journal of Materials Science: Materials in Electronics, 2025)