公开(公告)号：US20160155566A1

公开(公告)日：2016-06-02

申请号：US14905031

申请日：2014-07-16

Applicant: AMOGREENTECH CO., LTD.

Inventor： Se Joong YOON ,  Mi Rae KIM

IPC: H01F41/02 ,  H01F1/147 ,  B22F3/02 ,  B22F9/04 ,  C23C26/00 ,  B22F1/00 ,  C22C38/16 ,  C22C38/12 ,  C22C38/02 ,  C22C38/00 ,  H01F3/08 ,  C21D1/74

CPC classification number: H01F41/0246 ,  B22F1/0059 ,  B22F3/02 ,  B22F9/04 ,  B22F2009/048 ,  B22F2301/35 ,  B22F2998/10 ,  C21D1/74 ,  C22C38/002 ,  C22C38/02 ,  C22C38/12 ,  C22C38/16 ,  C22C2202/02 ,  C23C26/00 ,  H01F1/14741 ,  H01F1/15308 ,  H01F1/15333 ,  H01F1/26 ,  H01F3/08 ,  H01F5/00 ,  B22F2003/248

Abstract: Provided are a soft magnetic core having an excellent high current DC biased characteristic and an excellent core loss characteristic and a manufacturing method thereof. The method includes the steps of: after classifying nanocrystalline grains obtained by grinding metal ribbons prepared by using a rapid solidification process (RSP), mixing alloy powders so that a particle size distribution is configured to have a particle size of 75˜100 μm with 10˜85 wt %, a particle size of 50˜75 μm with 10˜70 wt %, and a particle size 5˜50 μm with 5˜20 wt %, to thus prepare the soft magnetic cores by using nanocrystalline alloy powders having an excellent high current DC biased characteristic and an excellent core loss characteristic.

Abstract translation: 提供具有优异的高电流DC偏置特性和优异的磁芯损耗特性的软磁芯及其制造方法。 该方法包括以下步骤：在通过研磨通过使用快速凝固法（RSP）制备的金属带获得的纳米晶粒分级后，混合合金粉末，使得粒度分布被配置为具有75〜100μm的粒径，其中10 〜85重量％，10〜70重量％的粒径为50〜75μm，5〜20重量％的粒径为5〜50μm，通过使用具有优异的纳米晶体合金粉末 高电流DC偏置特性和优异的磁芯损耗特性。

公开(公告)号：US20150357118A1

公开(公告)日：2015-12-10

申请号：US14762021

申请日：2014-01-21

Applicant: AMOGREENTECH CO., LTD.

Inventor： Byoung Ki LEE ,  Se Joong YOON ,  Mi Rae KIM

IPC: H01F41/02 ,  H01F1/147 ,  B22F3/00 ,  B22F3/24 ,  B22F9/00 ,  B22F9/04

CPC classification number: H01F41/0246 ,  B22F1/0014 ,  B22F3/006 ,  B22F3/02 ,  B22F3/24 ,  B22F9/008 ,  B22F9/04 ,  B22F2009/048 ,  B22F2998/10 ,  C22C33/0278 ,  C22C2200/00 ,  C22C2202/02 ,  H01F1/14766 ,  H01F1/15308 ,  B22F2003/023 ,  B22F2003/248 ,  B22F2003/242

Abstract: A manufacturing method of an amorphous soft magnetic core using a Fe-based amorphous metallic powder includes size-sorting an amorphous metallic powder obtained by pulverizing an amorphous ribbon prepared by a rapid solidification process (RSP) and then using the amorphous metallic powder having a particle size distribution so as to comprise 10 to 85 wt. % of powder having a particle size of 75 to 100 μm, 10 to 70 wt. % of powder having a particle size of 50 to 75 μm, and 5 to 20 wt. % of powder having a particle size of 5 to 50 μm to manufacture an amorphous soft magnetic core with excellent high-current DC bias characteristic and good core loss characteristic.

Abstract translation: 使用Fe基非晶金属粉末的非晶软磁芯的制造方法包括对通过粉碎通过快速凝固法（RSP）制备的非晶质带获得的非晶态金属粉末进行尺寸分选，然后使用具有颗粒的非晶态金属粉末 尺寸分布为10〜85重量％。 ％的粒径为75〜100μm的粉末，10〜70重量％ 粒径为50〜75μm的粉末的％，以及5〜20重量％ 粒径为5〜50μm的粉末，制造具有优异的高电流直流偏压特性和良好的磁芯损耗特性的非晶软磁芯。