公开(公告)号：US20180199474A1

公开(公告)日：2018-07-12

申请号：US15743794

申请日：2016-07-11

Applicant: TODA KOGYO CORP.

Inventor： Yoji OKANO ,  Akihiro YOSHIDA ,  Kazumi YAMAMOTO ,  Yuji OMOTE

IPC: H05K9/00 ,  H01F1/36 ,  H01F1/34

CPC classification number: H05K9/0088 ,  B32B7/02 ,  B32B2307/212 ,  H01F1/344 ,  H01F1/36

Abstract: In accordance with the present invention, there is provided a noise suppression sheet that is capable of absorbing noise at a wide frequency range of from 10 MHz to 1 GHz. The present invention relates to a ferrite laminate formed by laminating a conductive layer comprising a conductive filler and a resin and a magnetic layer comprising ferrite; the conductive layer has a surface electrical resistance of of 100 to 5000 Ω/□; the ferrite is partitioned into small parts; and a real part of a magnetic permeability of the ferrite as measured at 10 MHz is 130 to 480, and an imaginary part of of the magnetic permeability of the ferrite as measured at 10 MHz is 30 to 440.

公开(公告)号：US20160276079A1

公开(公告)日：2016-09-22

申请号：US15033355

申请日：2014-10-30

Applicant: TODA KOGYO CORP.

Inventor： Kazushi NISHIMOTO ,  Yoji OKANO ,  Hiromitsu SAKURAI ,  Kazumi YAMAMOTO ,  Tomohiro DOTE ,  Yasushi NISHIO ,  Yasuhiko FUJII

IPC: H01F1/37 ,  H02J7/02 ,  H02J50/10 ,  H01F38/14

CPC classification number: H01F1/37 ,  C22C2202/02 ,  H01F27/255 ,  H01F38/14 ,  H01F41/0246 ,  H02J7/025 ,  H02J50/10

Abstract: An object of the present invention is to provide a power transmission device for a non-contact power feeder system which has high power transmission efficiency and high impact resistance. The above object of the present invention can be achieved by a soft magnetic ferrite resin composition molded product comprising a filler and a binder, in which the filler comprises soft magnetic ferrite particles having an average particle diameter of 5 to 35 μm, the binder comprises at least one material selected from the group consisting of a thermoplastic resin and a soft polyolefin resin, and the soft magnetic ferrite resin composition molded product has a molding density of 3.2 to 4.7 g/cm3 and a magnetic permeability of 5 to 15, and a power transmission device for a non-contact power feeder system which comprises the above soft magnetic ferrite resin composition molded product.

Abstract translation: 本发明的目的是提供一种具有高功率传输效率和高抗冲击性的非接触式馈电系统的电力传输装置。 本发明的上述目的可以通过包含填料和粘合剂的软磁性铁氧体树脂组合物模制产品来实现，其中填料包括平均粒径为5至35μm的软磁铁氧体颗粒，粘合剂包含在 选自热塑性树脂和软质聚烯烃树脂中的至少一种材料，软磁性铁氧体树脂组合物成型体的成型密度为3.2〜4.7g / cm 3，磁导率为5〜15，功率 包括上述软磁性铁氧体树脂组合物成型体的非接触供电系统的传动装置。

公开(公告)号：US20150334883A1

公开(公告)日：2015-11-19

申请号：US14653116

申请日：2013-12-17

Applicant: TODA KOGYO CORP.

Inventor： Kazumi YAMAMOTO

IPC: H05K9/00

CPC classification number: H05K9/009 ,  H01F1/26 ,  H01F1/37 ,  H05K9/0075 ,  H05K9/0083 ,  H05K9/0084 ,  H05K9/0088

Abstract: The present invention relates to an electromagnetic interference suppression sheet comprising a conductive layer comprising a conductive metal filler and having a surface electrical resistance of 100 to 5000 Ω/□, and a magnetic layer comprising a magnetic material mixed therein and having a real part μ′ of a magnetic permeability of 3 to 45 as measured at 100 MHz which is laminated on the conductive layer. The electromagnetic interference suppression sheet of the present invention is suitable for high-density packaging of electronic devices, and has an excellent low-pass filter characteristic in a near electromagnetic field in a wide frequency band ranging from a low frequency to a high frequency.

Abstract translation: 电磁干扰抑制片本发明涉及一种电磁干扰抑制片，其包含导电层，该导电层包括导电金属填料，表面电阻为100〜5000Ω，磁性层包含混合在其中的磁性材料， 在层压在导电层上的在100MHz下测得的导磁率为3至45的磁导率。 本发明的电磁干扰抑制片适用于电子器件的高密度封装，并且在从低频到高频的宽频带中的近电磁场中具有优异的低通滤波器特性。