Static information storage and retrieval – Systems using particular element – Magnetic thin film
Reexamination Certificate
2006-02-21
2006-02-21
Tran, Andrew Q. (Department: 2824)
Static information storage and retrieval
Systems using particular element
Magnetic thin film
C365S171000, C365S158000
Reexamination Certificate
active
07002840
ABSTRACT:
The present invention provides a magnetic memory device capable of stably performing information writing operation by efficiently using a magnetic field generated by current flowing in write lines and having a high degree of flexibility in designing. A magneto-resistive element has: a magnetic yoke disposed annularly in a circumferential direction so as to surround a write word line and a write bit line, and having a pair of open ends facing each other while sandwiching a gap provided in a part in the circumferential direction; and a stacked body including a second magnetic layer of which magnetization direction changes according to an external magnetic field and a pair of end faces. The stacked body is disposed in the gap so that each of the pair of end faces and each of the pair of open ends face each other. With the configuration, magnetization of the second magnetic layer can be efficiently inverted and, as compared with the case where the stacked body and the magnetic yoke are in contact with each other, the material of the stacked body can be selected from a wider range and the magnetic and electric performances of the stacked body can be sufficiently displayed.
REFERENCES:
patent: 5343422 (1994-08-01), Kung et al.
patent: 5629922 (1997-05-01), Moodera et al.
patent: 6510078 (2003-01-01), Schwarzl
patent: 6667526 (2003-12-01), Komori
patent: 2001/0050859 (2001-12-01), Schwarzl
patent: 2004/0100818 (2004-05-01), Yoda et al.
patent: 1 246 191 (2002-10-01), None
patent: 02-093373 (1990-04-01), None
patent: 09-091949 (1997-04-01), None
patent: 2001-236781 (2001-08-01), None
patent: 2001-273759 (2001-10-01), None
Hatate Hitoshi
Kamijima Akifumi
Shmazawa Koji
TDK Corporation
Tran Andrew Q.
LandOfFree
Magnetoresistive element including a yoke that surrounds a... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Magnetoresistive element including a yoke that surrounds a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetoresistive element including a yoke that surrounds a... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3631615