An electronic part and a complex electronic device each include a substrate that contains at least one material selected from a dielectric material and a magnetic material and two or more coils that are formed in {HEAD ~ the inside} of {TAIL ~ the substrate} 
An electronic part and a complex electronic device each include a substrate that contains at least one material selected from a dielectric material and a magnetic material and two or more coils that are formed in { HEAD ~ the inside } of { TAIL ~ the substrate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL