Oxide magnetic material

Details Oxide magnetic material Oxide magnetic material

2005-06-07

2005-06-07

Koslow, C. Melissa (Department: 1755)

Compositions

Magnetic

Iron-oxygen compound containing

C252S062620, C252S062580, C252S062570

Reexamination Certificate

active

06902685

ABSTRACT:
A ferrite magnet powder and a ferrite magnet exhibiting improved magnetic properties are provided at a reduced manufacturing cost. An application product and manufacturing methods thereof are also provided. An oxide magnetic material includes, as a main phase, a ferrite having a hexagonal M-type magnetoplumbite structure. The material includes: A, which is at least one element selected from the group consisting of Sr, Ba, Pb and Ca; R, which is at least one element selected from the group consisting of Y (yttrium), the rare earth elements and Bi; Fe; and B (boron). The constituents A, R, Fe and B of the material satisfy the inequalities of 7.04 at %≦A≦8.68 at %, 0.07 at %≦R≦0.44 at %, 90.4 at %≦Fe≦92.5 at % and 0.015 at %≦B≦0.87 at % to the sum of the elements A, R, Fe and B.

REFERENCES:
patent: 5846449 (1998-12-01), Taguchi et al.
patent: 6139766 (2000-10-01), Taguchi et al.
patent: 303151 (1989-02-01), None
patent: 63-186402 (1988-08-01), None
patent: 1-283802 (1989-11-01), None
patent: 5-275221 (1993-10-01), None
patent: 10-149910 (1998-06-01), None
patent: 11-307331 (1999-11-01), None
patent: 2001-76919 (2001-03-01), None
patent: 2001-076919 (2001-03-01), None
patent: 2001-110618 (2001-04-01), None
You-wei Du et al.: “Magnetic Properties and High Temperature Composition of the La, Ba(1-x)Fe(12-x)ZnxO19Ferrites”; Journal of Magnetism and Magnetic Materials; vol. 31-34 (1983); pp. 793-794; Department of Physics, Nanjing University, Nanjing, China.
G.A. Smolenskii and A.A. Andreev: “Investigation of Ferrimagnets with the Structure of Magnetoplumbite and Garnet in Strong Pulse Magnetic Fields”; Bulletin Of TheAcademy Of Scienced Of The USSR; Physical Series, vol. 25, No. 11 (1961), pp. 1405-1408.

Affiliated with

Also associated with

Rating

Oxide magnetic material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Oxide magnetic material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oxide magnetic material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3502087