Bubble domain propagation and sensing

Bubble domain propagation and sensing

A review is given of the state of the art of propagation and sensing means for bubble domain devices. In the past three years, bit density has increased a thousandfold, from 2000 bits/in 2 to 2 million bits/in 2 . Drive field requirements and sensor efficiency have remained nearly constant. A unifie...

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Bibliographic Details
Published in:Proceedings of the IEEE Vol. 61; no. 4; pp. 438 - 444
Main Author: Almasi, G.S.
Format: Journal Article
Language:English
Published: IEEE 01-01-1973
Subjects:
Bibliographies
Bit rate
Displays
Logic devices
Magnetic domains
Magnetic semiconductors
Magnetization
Semiconductor devices
Shift registers
Solid state circuits
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Summary:A review is given of the state of the art of propagation and sensing means for bubble domain devices. In the past three years, bit density has increased a thousandfold, from 2000 bits/in 2 to 2 million bits/in 2 . Drive field requirements and sensor efficiency have remained nearly constant. A unified theory of device design is only now beginning to appear, but experimental evidence so far suggests that devices with submicron bubbles and 100 million bits/in 2 are only a matter of time.
ISSN:0018-9219
DOI:10.1109/PROC.1973.9057