A position control area (76A) is partly formed in the recording area (75) of a recording medium (70) and position information is recorded only in the position control area (76A). To record data in the recording medium (70) by a head (60) having a plurality of cantilevers (62A), (62B), . . . , the position...http://www.google.com.tw/patents/US7502304?utm_source=gb-gplus-share專利 US7502304 - Data recording and reproducing device, data recording and reproducing method, and recording medium
