公开(公告)号：US10096417B2

公开(公告)日：2018-10-09

申请号：US15317860

申请日：2015-11-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yoshiharu Omori ,  Kenichi Matsushima ,  Ryohei Harada ,  Kenji Ueno ,  Atsushi Shinkai ,  Nariaki Ishida ,  Takeshi Ichihara

IPC: H01F27/28 ,  H01F5/00 ,  H01F17/00 ,  H01F27/29 ,  H03H7/09

Abstract: In a common mode noise filter, first coil (12) includes first coil conductor (16) and second coil conductor (17) with spiral shapes. Second coil (13) includes third coil conductor (18) and fourth coil conductor (19) with spiral shapes. First coil conductor (16), third coil conductor (18), second coil conductor (17), and fourth coil conductor (19) are placed in this order from above. First metal layer (14) configured to be connected to a ground is provided above first coil conductor (16).