Patent application number | Description | Published |
20080251159 | Methods for Producing Raw Material Alloy for Rare Earth Magnet, Powder and Sintered Magnet - A method of making a material alloy for an R-T-Q based rare-earth magnet according to the present invention includes the steps of: preparing a melt of an R-T-Q based rare-earth alloy, where R is rare-earth elements, T is a transition metal element, Q is at least one element selected from the group consisting of B, C, N, Al, Si and P, and the rare-earth elements R include at least one element R | 10-16-2008 |
20080286595 | R-Fe-B Rare Earth Sintered Magnet and Method for Producing Same - In a method for producing an R—Fe—B based rare-earth sintered magnet according to the present invention, first, provided is an R—Fe—B based rare-earth sintered magnet body including, as a main phase, crystal grains of an R | 11-20-2008 |
20090053094 | RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCTION THEREOF - A rare-earth sintered magnet includes 12.0 at % to 15.0 at % of rare-earth element(s), which is at least one element selected from the group consisting of Nd, Pr, Gd, Tb, Dy and Ho and at least 50% of which is Nd and/or Pr; 5.5 at % to 8.5 at % of boron (B); a predetermined percentage of additive metal A; and iron (Fe) and inevitably contained impurities as the balance. The predetermined percentage of additive metal A includes at least one of 0.005 at % to 0.30 at % of silver (Ag), 0.005 at % to 0.40 at % of nickel (Ni), and 0.005 at % to 0.20 at % of gold (Au). | 02-26-2009 |
20100148897 | RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME - A sintered rare-earth magnet includes an Nd | 06-17-2010 |
20100182113 | R-Fe-B TYPE RARE EARTH SINTERED MAGNET AND PROCESS FOR PRODUCTION OF THE SAME - In an R—Fe—B based rare-earth sintered magnet according to the present invention, at a depth of 20 μm under the surface of its magnet body, crystal grains of an R | 07-22-2010 |
20100231338 | R-Fe-B RARE-EARTH SINTERED MAGNET AND PROCESS FOR PRODUCING THE SAME - First, an R—Fe—B based rare-earth sintered magnet body including, as a main phase, crystal grains of an R | 09-16-2010 |
20110012699 | R-Fe-B RARE EARTH SINTERED MAGNET - An R—Fe—B based rare-earth sintered magnet according to the present invention includes, as a main phase, crystal grains of an R | 01-20-2011 |
20110205006 | R-Fe-B ANISOTROPIC SINTERED MAGNET - An R—Fe—B based anisotropic sintered magnet according to the present invention has, as a main phase, an R | 08-25-2011 |
20110260816 | R-Fe-B RARE-EARTH SINTERED MAGNET AND PROCESS FOR PRODUCING THE SAME - First, an R—Fe—B based rare-earth sintered magnet body including, as a main phase, crystal grains of an R | 10-27-2011 |
20120114844 | PROCESS FOR PRODUCTION OF R-Fe-B-BASED RARE EARTH SINTERED MAGNET, AND STEAM CONTROL MEMBER - A sintered R—Fe—B based rare-earth magnet body | 05-10-2012 |
20120206227 | R-Fe-B TYPE RARE EARTH SINTERED MAGNET AND PROCESS FOR PRODUCTION OF THE SAME - In an R—Fe—B based rare-earth sintered magnet according to the present invention, at a depth of 20 μm under the surface of its magnet body, crystal grains of an R | 08-16-2012 |
20120229240 | R-Fe-B RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME - In a method for producing an R—Fe—B based rare-earth sintered magnet according to the present invention, first, provided is an R—Fe—B based rare-earth sintered magnet body including, as a main phase, crystal grains of an R | 09-13-2012 |