Compact transfer replicate switch for magnetic single wall domai

Details Compact transfer replicate switch for magnetic single wall domai Compact transfer replicate switch for magnetic single wall domai

1975-11-03

1978-03-14

Moffitt, James W.

Static information storage and retrieval

Magnetic bubbles

Guide structure

156659, 427128, 365 12, G11C 1908, B32B 3100

Patent

active

040793591

ABSTRACT:
A single-level process in which a precision registration process step is replaced by a gross alignment process step in delineation of magnetic and non-magnetic levels in magnetic bubble domain devices. In the instant process, one fine definition and two gross definition process steps are used to define the propagation structure and the fine control conductors simultaneously. This process permits certain fabrication advantages and improved device operation.
A compact transfer/replicate switch is fabricated by the new process. This switch permits the transfer of magnetic bubbles between more compactly arranged propagation paths, such as storage tracks and access tracks, in magnetic bubble domain devices and systems.

REFERENCES:
patent: 3680067 (1972-07-01), Chow
patent: 3832701 (1974-08-01), Bobeck et al.
patent: 3967002 (1976-06-01), Almasi et al.
IEEE Transactions on Magnetics, vol. Mag. 9, No. 3, Sept. 1973, pp. 474-480.

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