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:
Sep. 08, 1987
Filed:
Dec. 12, 1985
David S Lo, Burnsville, MN (US);
Stanley J Lins, Bloomington, MN (US);
Sperry Corporation, Blue Bell, PA (US);
Abstract
Stabilization of the propagation of storage bits around the storage loops of a Vertical Bloch Line (VBL) memory is obtained by the vapor-deposition of a nickel-iron film over the VBL structure. The film has a composition range of 65-90% nickel and a thickness of 1,000 to 10,000 Angstroms, and is deposited in a vacuum of 10.sup.-4 to 10.sup.-6 Torr to provide parallel, periodic, magnetic stripe domains, and thus potential well domains, that have a periodicity in the range of 0.1 to 1 micron. The stripe domains are oriented perpendicular to the direction of data propagation and form potential wells along the elongated direction of the storage loops.