Ferromagnetic liner for conductive lines of magnetic memory cells and methods of manufacturing thereof

Ferromagnetic liner for conductive lines of magnetic memory cells and methods of manufacturing thereof

Methods of forming ferromagnetic liners on the top surface and sidewalls of conductive lines of magnetic memory devices. The ferromagnetic liners increase the flux concentration of current run through the conductive lines, reducing the amount of write current needed to switch magnetic memory cells....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FINDEIS FRANK, BROWN STEPHEN L, LEUSCHNER RAINER, VIETH MICHAEL, RABERG WOLFGANG, KANAKASABAPATHY SIVANANDHA K
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Zusammenfassung:Methods of forming ferromagnetic liners on the top surface and sidewalls of conductive lines of magnetic memory devices. The ferromagnetic liners increase the flux concentration of current run through the conductive lines, reducing the amount of write current needed to switch magnetic memory cells. In one embodiment, an in-bound pole is formed at the bottom edge of conductive lines, further concentrating the flux.