Platinum band planar antenna with quintuple collinear structure. - Risa Miyajima; Aimi Diyana Binti Ahmad Nasruddin; Yoshiki Yui; Koichi Karasawa; Kazuki Ashida; Masami Nirei; Daiki Karasawa; Takahisa Karakama; Tutomu Kaneko (GCCE, 2017)