Title: Bistable magnetic bubble domain devices

Abstract: A magnetic film is incorporated in a device suitable for use with a computer; the film is capable of supporting magnetic bubble domains of two different sizes corresponding to stable hysteresis states which exist simultaneously under the same external magnetic field bias. When densely packed in an array, the bistable magnetic bubble domains form the basis for binary coded data storage. Single crystal garnet and amorphous intermetallic compounds may be employed as bistable bubble domain materials.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Braginski, Aleksander I. (Pittsburgh, PA, US)

Application Number: 508003
Filing Date: 1974-09-20
Publication_date: 1976-09-07
Assignee: Westinghouse Electric Corporation (Pittsburgh, PA)
Primary Class(es): 365/31 365/1, 365/3, 365/32, 365/34
Other Classes:
US Patent Ref:

3523286	Aug, 1970	Bobeck et al.	340/174.
3786452	Jan, 1974	Guesic	340/174.
3836895	Sep, 1974	De Jonge	340/174.
3866190	Feb, 1975	De Jonge et al.	340/174.

Other Refs:
Primary Examiner: Canney, Vincent P.
Assistant Examiner:
Attorney: Menzemer; C. L.