Magneto-resistive memory cell structures with improved...

Static information storage and retrieval – Systems using particular element – Magnetoresistive

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C257S421000, C360S324110, C365S171000, C365S173000

Reexamination Certificate

active

11146482

ABSTRACT:
A magneto-resistive memory comprising magneto-resistive memory cells is disclosed, comprising two pinned magnetic layers on one side of a free magnetic layer. The pinned magnetic layers are formed with anti-parallel magnetization orientations such that a net magnetic moment of the two layers is substantially zero. The influence of pinned magnetic layers on free magnetic layer magnetization orientations is substantially eliminated, allowing for increased predictability in switching behavior and increased write selectivity of memory cells.

REFERENCES:
patent: 5465185 (1995-11-01), Heim et al.
patent: 5828598 (1998-10-01), Chen et al.
patent: 5841692 (1998-11-01), Gallagher et al.
patent: 5966012 (1999-10-01), Parkin
patent: 6005800 (1999-12-01), Koch et al.
patent: 6052263 (2000-04-01), Gill
patent: 6127045 (2000-10-01), Gill
patent: 6144524 (2000-11-01), Haratani et al.
patent: 6166948 (2000-12-01), Parkin et al.
patent: 6172904 (2001-01-01), Anthony et al.
patent: 6205053 (2001-03-01), Anthony
patent: 6605836 (2003-08-01), Kishi et al.
patent: 6735112 (2004-05-01), Zhu et al.
patent: 6872997 (2005-03-01), Liu et al.
patent: 6920064 (2005-07-01), Zhu et al.
patent: 7029923 (2006-04-01), Liu et al.
patent: 2005/0088789 (2005-04-01), Hou et al.
Dimitrov at al., “Enhanced magnetic stability in spin valves with synthetic antiferromagnet”Journal of Applied Physics87(9):6427-6429 (May 2000).
Leal and Kryder, “Spin Valves biased by Co/Ru/Co Synthetic antiferromagnets”Journal of Applied Physics83(7):3720-3723 (Apr. 1998).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Magneto-resistive memory cell structures with improved... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magneto-resistive memory cell structures with improved..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magneto-resistive memory cell structures with improved... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3752069

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.