A magnetic head structure comprising a read transducer (head) and a write transducer (head) longitudinally disposed for operating on the same channel of a magnetic medium has a neutralizing transducer positioned lateral to either the read or write transducer with the neutralizing transducer having a...http://www.google.com.tw/patents/US4008493?utm_source=gb-gplus-share專利 US4008493 - Magnetic head structure with minimum feedthrough
