A magnetoresistive element includes a first ferromagnetic layer having a first magnetization, the first magnetization having a first pattern when the magnetoresistive element is half-selected during a first data write, a second pattern when the magnetoresistive element is selected during a second data...http://www.google.com.au/patents/US20090140358?utm_source=gb-gplus-sharePatent US20090140358 - MAGNETORESISTIVE ELEMENT
