Patent ID: 8723634

Claim:
A coil-type electronic component comprising a base material for a coil and a coil provided inside or on an outer surface of the base material, wherein: the base material is constituted by a group of grains of a soft magnetic alloy containing iron, silicon and other element that oxidizes more easily than iron; the surface of each soft magnetic alloy grain has an oxide layer formed on its surface as a result of oxidization of the grain, said oxide layer having a single phase; the oxide layer contains the other element that oxidizes more easily than iron in a quantity larger than that in the soft magnetic alloy grain; and the grains are bonded with one another via the oxide layer, wherein the oxide layer includes in this order a first oxide layer where the content of the iron component decreases while the content of the element that oxidizes easily increases, and a second oxide layer where the content of the iron component increases and the content of the element that oxidizes easily decreases, as viewed outwardly from the alloy grain.