Sealed mask ROM wafer with 5 mm magnetic resonant coupling for long-term digital data preservation. - Hiroyuki Ochi; Toshihiko Ota; Ataru Yamaoka; Hiromasa Watanabe; Yohei Kondo; Nobuyuki Tokuda; Hiroyuki Taguchi; Taketoshi Matsumoto; Tomoki Akai; Hikaru Kobayashi; Shigeki Imai (SoCC, 2013)