The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 1979
Filed:
Feb. 27, 1978
Applicant:
Inventors:
Magid Y Dimyan, Richardson, TX (US);
John C Unger, San Diego, CA (US);
Assignee:
Burroughs Corporation, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365 28 ; 365-2 ;
Abstract
An adjustable magnetic bias field structure for magnetic bubble devices. A pair of parallel facing magnetically permeable plates are adjustably separated by a number of threaded magnetically hard cylindrical rods or slugs slotted at one end. Threaded plastic rings fastened around holes provided in the pair of permeable plates engage the threads of the slotted rods to provide the adjustment feature. A magnetic bubble device is placed between the two permeable plates.