RESEARCH IN FERROMAGNETICS.
Final rept. 16 May 64-15 Mar 65.
LFE ELECTRONICS BOSTON MASS SOLID STATE ELECTRONICS LAB
Pagination or Media Count:
A new thin film technique is described which has implications for use in a network of all-magnetic logic of a most complete and general character. The technique, called Domain Tip Propagation Logic DTPL, makes use of the controlled growth of domains which are confined to a pattern of narrow, low coercive force channels imbedded in a film element of generally high coercive force. Information is stored within regions of the low coercive force channels in the form of domains of reversed magnetization and propagated through the channels under the influence of an applied field by expansion of the domains at the domain tips. In this manner it is possible to control the direction of domain tip propagation and the mutual interaction between domain tips within channels brought into proximity of each other. The dependence of the direction of domain tip propagation upon the magnitude and direction of the applied field, the magnetostatic forces between neighboring domain tips and the speed of domain tip propagation are such as to allow the construction of a wide variety of magnetic thin film devices. Author
- Electricity and Magnetism
- Solid State Physics