Bubble lattice file structure

Details Bubble lattice file structure Bubble lattice file structure

G - Physics

11

C

352/37.2

G11C 11/14 (2006.01) G11C 19/08 (2006.01)

Patent

CA 1104252

IMPROVED BUBBLE LATTICE FILE STRUCTURE Abstract In an improved bubble lattice file (BLF) structure, two adjacent layers of magnetic bubble domain material are utilized to provide separate media for supporting carrier bubbles or coded bubbles. The coded bubbles, in one layer, represent data stored in the bubble lattice file. The carrier bubbles, in another layer, are magnetically coupled to the coded bubbles and are used in manipulation thereof. The magnetic bubble domain layers may be separated by an appropriate interface layer or surface. The lattice file area, or storage area, is biased by a single layer of bias material while adjacent areas, such as an input/output region, include a pair of biasing layers disposed on opposite sides of the adjacent layer structure. This composite per- mits an improved bubble lattice file structure which utilizes the storage capabilities of bubble lattice file memories as well as the operating capabilities of so-called conventional magnetic bubble domain device techniques.

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