Patent ID: 11955264
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A coil component comprising:
an element including a plurality of first magnetic layers and second magnetic layers laminated; and
a coil disposed in the element, the coil including a plurality of coil conductive layers laminated,
wherein
each of the coil conductive layers is disposed between a corresponding one of the first magnetic layers and a corresponding one of the second magnetic layers,
a pore area proportion in the second magnetic layers is smaller than a pore area proportion in the first magnetic layers,
a void is present between an interface of at least one of the coil conductive layers and the corresponding one of the second magnetic layers,
the at least one of the coil conductive layers is directly adjacent to the void and is directly adjacent to the corresponding one of the first magnetic layers,
the first magnetic layers and the second magnetic layers are alternately laminated, and
the corresponding one of the first magnetic layers and the corresponding one of the second magnetic layers are disposed between one of the coil conductive layers and another one of the conductive layers.