A head substrate and a projection substrate of a head drum comprise a conductive material having a resistance of 11010 or less and are connected to a metal base so as to be at the ground potential via the metal base and a rotating drum. These antistatic treatments allow static electricity charged on...http://www.google.fr/patents/US6704174?utm_source=gb-gplus-shareBrevet US6704174 - Magnetic recording and playback device with ESD protection
Magnetic recording and playback device with ESD protection