Document Type and Number:
Japanese Patent JPS5184532
Kind Code:
A
Abstract:
It has been discovered that magnetic bubble domains can be moved in a magnetic medium without requiring shaped structure along which magnetic poles are created for movement of the domains, and without reliance on magnetic fields established by conductor patterns. If a magnetic field is applied in the plane of the magnetic medium, bubble domains will be stretched in a direction parallel or anti-parallel to the field direction depending on the bubble domain polarity. If this magnetic field has an asymmetry in its amplitude versus time waveform, or if an asymmetry is created by a propagation element, bubble domains can be moved in the magnetic material. This discovery can be used to move bubble domains in a magnetic medium without requiring structure having a particular shape for domain movement, and without requiring conductors. Also, improvements can be made to existing propagation structures to make them more useful.
Inventors:
JOOJI II KIIFU
YON ESU RIN
YON ESU RIN
Application Number:
JP14408975A
Publication Date:
July 23, 1976
Filing Date:
December 05, 1975
Export Citation:
Assignee:
IBM
International Classes:
G11C19/08; G11C11/14; (IPC1-7): G11C11/02; G11C11/14; G11C19/08
Domestic Patent References:
| JPS471809A |