Rare earth magnet and manufacturing method of the same

A manufacturing method of a rare earth magnet, comprising:

• a magnetic powder particle manufacturing step of manufacturing a plurality of flake-shaped rare earth magnetic powder particles;
• a first insulating layer forming step of forming an insulating layer having insulating properties on a surface layer of each of the plurality of rare earth magnetic powder particles to obtain a plurality of insulated magnetic powder particles;
• a first primary molding step of primary molding, using a hot press, the plurality of insulated magnetic powder particles obtained in the first insulating layer forming step to obtain a first primary molded product in which the plurality of insulated magnetic powder particles is primarily molded;
• and
• a first hot plastic working step of performing hot plastic working on the first primary molded product obtained in the first primary molding step to obtain the rare earth magnet, wherein
• a major-axis length and an average thickness of the plurality of rare earth magnetic powder particles are adjusted such that the rare earth magnet has an electrical resistivity of 500 μΩcm or more and a squareness ratio of 70% or more.

A manufacturing method of a rare earth magnet, comprising:

• a second binding step of manufacturing a plurality of magnetic granular materials, each of the plurality of magnetic granular materials including a plurality of laminated flake-shaped rare earth magnetic powder particles;
• a second insulating layer forming step of forming an insulating layer having insulating properties on a surface layer of each of the plurality of magnetic granular materials to obtain a plurality of insulated magnetic granular materials;
• a second primary molding step of primary molding, using a hot press, the plurality of insulated magnetic granular materials obtained in the second insulating layer forming step to obtain a second primary molded product in which the plurality of insulated magnetic granular materials is primarily molded;
• and
• a second hot plastic working step of performing hot plastic working on the second primary molded product obtained in the second primary molding step to obtain the rare earth magnet, wherein
• a major-axis length and an average thickness of the plurality of rare earth magnetic powder particles are adjusted such that the rare earth magnet has an electrical resistivity of 500 μΩcm or more and a squareness ratio of 70% or more.