Patent ID: 7911295
Filing Date: 2011-03-22
Classification: H01F

Abstract:
1. A common mode noise filter comprising: a nonmagnetic layer having a first surface and a second surface opposite to the first surface; a first magnetic layer including a second magnetic layer including a third magnetic layer including a fourth magnetic layer including a fifth magnetic oxide layer provided on the second surface of the third insulator layer; a sixth magnetic oxide layer provided on the second surface of the fourth insulator layer; a first plane coil provided between the first magnetic layer and the second magnetic layer, the first plane coil contacting the nonmagnetic layer; a second plane coil provided between the first magnetic layer and the second magnetic layer, the second plane coil contacting the nonmagnetic layer, the second plane coil facing the first plane coil; a first external electrode connected electrically with the first plane coil; and a second external electrode connected electrically with the second plane coil, wherein the first external electrode contains glass component.