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    • 1. 发明申请
    • RECONFIGURABLE MAGNETIC LOGIC CIRCUIT ARRANGEMENT AND METHOD FOR PRODUCING AND OPERATING SUCH LOGIC DEVICES
    • 可重新配置的逻辑电路及其制造方法和操作这样的逻辑器件
    • WO2009012755A8
    • 2010-03-11
    • PCT/DE2008001178
    • 2008-07-20
    • UNIV BIELEFELDUNIV KASSELHOEINK VOLKERMEYNERS DIRKREISS GUENTERSCHMALHORST JANEHRESMANN ARNO
    • HOEINK VOLKERMEYNERS DIRKREISS GUENTERSCHMALHORST JANEHRESMANN ARNO
    • H03K19/168H03K19/18
    • H03K19/168H03K19/18
    • The invention relates to a reconfigurable magnetic logic circuit arrangement having at least two magnetoresistive elements comprising at least two respective magnetic layers, which are each separated from one another by an intermediate layer, wherein one of the magnetic layers, as a reference layer, does not considerably change its magnetization under the influence of external magnetic fields and the other magnetic layer, as a free layer, changes in a manner which can be detected, and at least one conductor for signal connections, which, when current flows through it, can be used to generate a first magnetic field which changes over the magnetization of the free layers, as well as a device for generating, as required, a second variable magnetic field which likewise influences the magnetoresistive elements. In this case, two magnetoresistive elements of this type are arranged adjacent to one another, wherein the magnetization of the two reference layers is oriented in opposite directions by means of preset unidirectional anisotropy and the magnetoresistive elements are connected to one another in such a manner that, as a result of the first and second magnetic fields acting on the magnetoresistive elements, the switching behaviour of all fundamental logic functions, in particular the AND, OR, NAND, NOR, XOR or XNOR functions, can be induced on the basis of the resultant changes in the orientation of the magnetization of the free layers and thus the resistance of the magnetoresistive elements in the logic circuit arrangement.
    • 本发明涉及包含至少两个由至少两个每磁性层,其彼此通过中间层隔开,所述磁性层中的一个作为参考层的磁化基本上不外部磁场的影响,而另一磁性层下的磁阻元件的可重新配置磁逻辑电路 可检测的变化作为一个自由层和用于信号连接的至少一个导体,可以用载流状态而产生的切换第一磁场的自由层的磁化的装置,以及用于按需生成的第二可变磁场也影响磁阻效应元件。 在这种情况下,两个这样的磁致电阻元件被布置为彼此相邻,其中,所述参考层的磁化沿相反的方向通过预设的单向各向异性定向并且所述磁致电阻元件是如此互连的,通过所述第一和第二磁场的磁致电阻元件的作用,由于所得到的 在自由层的磁化,从而在逻辑电路中的磁阻效应元件的电阻的取向的改变,来实现,所有的基本逻辑功能的开关行为,特别是功能AND,OR,NAND,NOR,XOR或XNOR。