公开(公告)号：US20240412904A1

公开(公告)日：2024-12-12

申请号：US18700907

申请日：2022-07-15

Applicant: KOREA INSTITUTE OF MATERIALS SCIENCE

Inventor： Chul Jin CHOI ,  Jong Woo KIM ,  Ji Hoon PARK ,  Nam Kyu KIM ,  Han kuk JEON

IPC: H01F1/08 ,  B22F3/14 ,  B22F9/04 ,  H01F41/02

Abstract: The present disclosure provides a method for manufacturing a Mn—Bi based sintered magnet with a simple process and a Mn—Bi based sintered magnet having excellent magnetic properties such as maximum magnetic energy product manufactured therefrom.

公开(公告)号：US20240347241A1

公开(公告)日：2024-10-17

申请号：US18701081

申请日：2022-07-15

Applicant: KOREA INSTITUTE OF MATERIALS SCIENCE

Inventor： Chul Jin CHOI ,  Jong Woo KIM ,  Ji Hoon PARK ,  Nam Kyu KIM ,  Han kuk JEON

IPC: H01F1/047 ,  B22F1/16 ,  C08K3/08 ,  H01F41/02

CPC classification number: H01F1/047 ,  C08K3/08 ,  H01F41/0266 ,  B22F1/16 ,  C08K2003/0837 ,  C08K2201/01

Abstract: The present disclosure provides a method for preparing a Mn—Bi based resin magnet, which can provide a Mn—Bi based resin magnet with excellent magnetic properties by forming a polymer coating on the surface of a Mn—Bi based magnetic phase powder, and a Mn—Bi based resin magnet prepared therefrom.