A domain wall motion type MRAM 100 has: a magnetic recording layer 10 that is a ferromagnetic layer; and a magnetic coupling layer 20 that is a ferromagnetic layer whose magnetization direction is fixed. The magnetic recording layer 10 has: a first region 10-1; a second region 10-2; and a magnetization...http://www.google.de/patents/US8120127?utm_source=gb-gplus-sharePatent US8120127 - Magnetic random access memory and method of manufacturing the same