发明名称 MAGNETIC MATERIAL FOR ANTENNAS, ANTENNA, AND WIRELESS COMMUNICATION DEVICE
摘要 A magnetic material for antennas including: an M-type hexagonal ferrite represented by the following general formula (1) as a main phase, MA.Fe12-x.MBx.O19 (wherein MA is at least one kind selected from the group consisting of Sr and Ba, MB is MC or MD, MC is at least one kind selected from the group consisting of Al, Cr, Sc and In, MD is an equivalent mixture of at least one kind selected from the group consisting of Ti, Sn and Zr and at least one kind selected from the group consisting of Ni, Zn, Mn, Mg, Cu and Co, X is a number from 1 to 5), and an average crystal particle diameter is equal to or greater than 5μm.
申请公布号 US2012229354(A1) 申请公布日期 2012.09.13
申请号 US201213351722 申请日期 2012.01.17
申请人 TDK CORPORATION 发明人 ISHIKURA TOMOKAZU;MURAMOTO MICHIHIRO;HARADA AKIHIRO;KAWASAKI KATSUMI;KURODA TOMOFUMI
分类号 H01Q1/00 主分类号 H01Q1/00
代理机构 代理人
主权项
地址