1
Wen Cheng Chang, Bao Min Ma, Qun Chen, Charles O Bounds: High performance iron-rare earth-boron-refractory-cobalt nanocomposite. Santoku Corporation, Stevens Davis Miller & Mosher, March 5, 2002: US06352599 (12 worldwide citation)

Magnetic nanocomposite materials including iron, rare earth elements, boron, refractory metals and cobalt which have favorable magnetic properties and are suitable for making bonded magnets are disclosed. Compositions of the present invention can be of the formula: (N


2
Guenter B Finke, Bao Min Ma: Differential transformer core for pulse currents. Magnetic Metals Corporation, Pollock Vande Sande & Priddy, December 28, 1982: US04366520 (10 worldwide citation)

A plurality of relatively high magnetic permeability strips are interleaved to form layers of a closed loop differential transformer core. Although the material of each layer by itself may have a relatively square hysteresis loop, the core formed of a plurality of interleaved layers of such material ...


3
Bao Min Ma, Charles O Bounds, Wen Cheng Chang, Qun Chen: Iron-rare earth-boron-refractory metal magnetic nanocomposites. Santoku Corporation, Stevens Davis Miller & Mosher, December 25, 2001: US06332933 (8 worldwide citation)

Magnetic nanocomposite materials including iron, rare earth elements, boron, refractory metal and, optionally, cobalt are disclosed. Neodymium and lanthanum are preferred rare earth elements. The amounts of Nd, La, B and refractory metal are controlled in order to produce both hard and soft magnetic ...


4
Bao Min Ma, Wan Li Liu, Yu Lan Liang: Magnetically anisotropic spherical powder and method of making same. Rhone Poulenc, Adduci Mastriani & Schaumberg, December 12, 1995: US05474623 (8 worldwide citation)

A method of forming a magnetically anisotropic powder includes the steps of forming a substantially spherical powder having a major magnetic phase and an average particle size of less than about 200 microns, diffusing hydrogen into the spherical powder at elevated temperatures in an amount sufficien ...


5
Bao Min Ma, Kalathur S V L Narasimhan: Permanent magnet alloy for elevated temperature applications. Crucible Materials Corporation, Finnegan Henderson Farabow Garrett & Dunner, February 20, 1990: US04902360 (5 worldwide citation)

A permanent magnet alloy consisting essentially of R.sub.2 Fe.sub.14 B, wherein, R is a combination of rare earth elements consisting essentially of, in atomic percent, neodymium 3 to 11 and balance holmium. The alloy may include optional additions of the rare earth elements gadolinium up to 10%, te ...


6
Zhongmin Chen, Benjamin R Smith, Bao Min Ma, James W Herchenroeder: Highly quenchable Fe-based rare earth materials for ferrite replacement. Magnequench, Jones Day, December 27, 2005: US06979409 (4 worldwide citation)

The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability. More specifically, the invention relates to isotropic Nd—Fe—B type magnetic materials made from a rapid ...


7
Wei Gong, Bao Min Ma: Sm(Co, Fe, Cu, Zr, C) compositions and methods of producing same. Santoku Corporation, Stevens Davis Miller & Mosher, May 20, 2003: US06565673 (4 worldwide citation)

Carbon addition to the rapidly solidified, preferably melt spun, alloy system of Sm(Co, Fe, Cu, Zr) provides for good isotropic magnetic properties. Importantly, these alloys are nanocomposite in nature and comprise the SmCoC


8
Finke B Gunter, Bao Min Ma: Noyau de transformateur differentiel pour courants pulsatoires et interrupteur de protection contre des courants de fuite utilisant un tel noyau. Magnetic Metals, October 1, 1982: FR2502834-A1 (4 worldwide citation)

L'INVENTION CONCERNE UN NOYAU DE TRANSFORMATEUR DIFFERENTIEL POUR COURANTS PULSATOIRES.CE NOYAU EST FORME PAR ENROULEMENT SIMULTANE DE DEUX BANDES OU PLUS, FORMEES D'UNE MATIERE MAGNETIQUEMENT PERMEABLE TELLE QU'UN ALLIAGE NICKEL-FER, DE PREFERENCE DU "SUPERMALLOY" (80 NI, ET 5 MO, LE RESTE ETANT DU ...


9
Kalathur S V L Narasimhan, Bao Min Ma: Permanent magnet alloy. Crucible Materials Corporation, Finnegan Henderson Farabow Garrett & Dunner, January 26, 1988: US04721538 (4 worldwide citation)

A rare-earth element permanent magnet alloy characterized by good magnetic alignment and high energy product, said magnet consisting essentially of, in atomic percent, at least one rare earth element didymium, mischmetal, neodymium and thorium 12 to 20, boron 4 to 14 and balance iron.


10
Zhongmin Chen, Benjamin R Smith, Bao Min Ma, James W Herchenroeder: Highly quenchable Fe-based rare earth materials for ferrite replacement. Magnequench, Jones Day, December 5, 2006: US07144463 (2 worldwide citation)

The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability. More specifically, the invention relates to isotropic Nd—Fe—B type magnetic materials made from a rapid ...



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