Direct Printing of Ultrathin Block Copolymer Film with Nano‐in‐Micro Pattern Structures - Tae Wan Park; Young Lim Kang; Eun Bin Kang; Hyunsung Jung; Seoung‐Ki Lee; Geon‐Tae Hwang; Jung Woo Lee; Si‐Young Choi; Sahn Nahm; Se‐Hun Kwon; Kwang Ho kim; Woon Ik Park (Advanced Science, 2023)