...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Electronic Computers, IEEE Transactions on >Proposal for Magnetic Domain-Wall Storage and Logic
【24h】

Proposal for Magnetic Domain-Wall Storage and Logic

机译：磁畴壁存储和逻辑提案

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Magnetic storage of binary digital information is currently accomplished by utilizing the two stable and degenerate energy states corresponding to opposite spatial directions of a magnetic domain. However, a second type of magnetic-energy degeneracy exists since a domain wall separating two domains has the same energy regardless of the sense (clockwise or counter-clockwise) of rotation of the magnetization M within the wall. Hence, the rotational sense of M in passing through a wall can be used to represent binary information. The two methods of representation are essentially different since different aspects of spatial symmetry are involved. A practical method of utilizing wall-rotation information coding can be effected by means of strips of thin magnetic film and nearby current conductors which are used to generate magnetic fields in specified directions at specified times and places. A shift register consists of a regular up-and-down domain pattern with M perpendicular to the long strip axis; no information is contained in the domain pattern itself, which only serves to separate spatially the information-bearing walls. Shifting is accomplished by two-phase clock pulses on a pair of shifting windings. Read-out requires the use of the operation of conditional erase, accomplished as follows: if two walls of the same sense are brought together they form a double wall which can subsequently be separated into two walls; if the walls are of the opposite sense they will destroy one another upon being brought together. Thus, erasure occurs on condition that two walls have opposite sense.
机译：当前，通过利用对应于磁畴的相反空间方向的两个稳定且简并的能量状态来完成二进制数字信息的磁存储。但是，存在第二种类型的磁能简并性，因为与两个磁畴分开的磁畴壁具有相同的能量，而与磁化M在壁内的旋转方向（顺时针还是逆时针）无关。因此，M在穿过壁时的旋转方向可用于表示二进制信息。由于涉及空间对称性的不同方面，因此两种表示方法本质上是不同的。利用壁旋转信息编码的实用方法可以借助于磁性薄膜条和附近的电流导体来实现，这些电流导体用于在指定的时间和地点在指定的方向上产生磁场。移位寄存器由规则的上下畴图案组成，其中M垂直于长条形轴；域模式本身不包含任何信息，这仅在空间上分隔了承载信息的墙。移位是通过一对移位绕组上的两相时钟脉冲来完成的。读出需要使用有条件的擦除操作，操作如下：如果将具有相同感觉的两个壁放在一起，它们将形成一个双壁，然后可以将其分成两个壁；如果墙壁具有相反的意义，它们将在聚在一起时会相互摧毁。因此，在两个壁具有相反方向的情况下发生擦除。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号