A magnetic recording and reading device includes a magnetic recording medium having at least one magnetic recording layer, a magnetic head enabling a data transfer rate of more than 50 MB/s and a recording density of more than 5 Gb/in2 on the magnetic recording medium, and a R/W-IC. The magnetic head...http://www.google.com/patents/US7782566?utm_source=gb-gplus-sharePatent US7782566 - Magnetic recording and reading device
