Patent ID: 11869834
Assignee: TDK CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. The electronic device according to claim 7, further comprising:
an adhesion layer on the electroconductive pattern layer;
an insulating layer (i) on the trench formation layer and the adhesion layer, (ii) that covers a surface of the trench formation layer on a side opposite to the base material, and (iii) that includes an opening portion to which a part of the adhesion layer is exposed;
a UBM layer on a surface of the adhesion layer which is exposed into the opening portion of the insulating layer; and
a connection portion on the UBM layer,
wherein the electronic component is connected to the electroconductive substrate through the connection portion, the UBM layer, and the adhesion layer.