MAGNETIC RECORDING AND REPRODUCING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a magnetic recording and reproducing device improved in resolution in reproducing. ! SOLUTION: There is provided a magnetic recording and reproducing device including a magnetic recording medium and a magnetic head. The magnetic recording medium includes a recording surface provided with a plurality of bits. The magnetic head includes a reproducing part. The reproducing part includes: a first shield; a second shield; a first magnetic layer provided between the first shield and the second shield and having a fixed magnetization direction; a second magnetic layer provided between the first magnetic layer and the second shield and having a variable magnetization direction; a third magnetic layer provided between the first shield and the first magnetic layer and having a variable magnetization direction; a fourth magnetic layer provided between the second magnetic layer and the second shield and having a variable magnetization direction; an intermediate layer provided between