基本信息:
- 专利标题： 一种网络通讯用铁氧体磁芯及其制备方法
- 专利标题（英）：Ferrite magnetic core for network communication and method for producing the same
- 申请号：CN200810219838.4 申请日：2008-12-06
- 公开(公告)号：CN101429017A 公开(公告)日：2009-05-13
- 发明人： 王京平 , 胡春元 , 蒋胜勇 , 段庆娃 , 胥云峰 , 黄健泉 , 胡永清 , 刘关生 , 周芸 , 贺娟
- 申请人： 广东风华高新科技股份有限公司 , 广东肇庆微硕电子有限公司 , 肇庆海特电子有限公司
- 申请人地址： 广东省肇庆市风华路18号风华电子工业城
- 专利权人： 广东风华高新科技股份有限公司,广东肇庆微硕电子有限公司,肇庆海特电子有限公司
- 当前专利权人： 广东风华高新科技股份有限公司,广东肇庆微硕电子有限公司,肇庆海特电子有限公司
- 当前专利权人地址： 广东省肇庆市风华路18号风华电子工业城
- 代理机构： 广州粤高专利代理有限公司
- 代理人： 罗晓林
- 主分类号： C04B35/38
- IPC分类号： C04B35/38 ; C04B35/622
The invention relates to a manganese-zinc ferrite magnetic core for network communication and a method for preparing the same. The magnetic core comprises the following compositions in terms of mol ratio: 51 to 58 mol percent of Fe2O3, 23 to 38 mol percent of MnO, 6 to 14 mol percent of ZnO, 0.01 to 5 mol percent of NiO, and 0.01 to 3 mol percent of CuO. The method for preparing the magnetic core comprises the following steps sequentially: first time of material blending and ball milling, presintering, second time of material blending and ball milling, spraying granulation to obtain granule materials, pressing the materials into biscuits, and biscuit sintering. The sintering is performed in push board kiln in an N2 protective atmosphere, experiences different sintering temperature stages, and finally keeps the temperature for 3 to 8 hours in the N2 atmosphere until the temperature is cooled to room temperature. The magnetic core has the performances of high MU i, high superposition, broad band and low loss. The magnetic core is widely used in the fields of network communication and electronic power, in particular in an ADSL technical separator.
公开/授权文献:
- CN101429017B 一种网络通讯用铁氧体磁芯及其制备方法 公开/授权日：2011-12-28