Patent ID: 11901268
Assignee: NGK ELECTRONICS DEVICES, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A package to which a lid is to be attached to form a sealed space for sealing a power semiconductor element without a gross leak, the package comprising:
an external terminal electrode;
a frame to which the external terminal electrode is attached, the frame containing a first resin and having a first adhered surface;
a heat sink plate supporting the frame, having an unmounted region within the frame in plan view, made of metal, and having a second adhered surface, the unmounted region being a region where the power semiconductor element is to be mounted;
an adhesive layer containing a second resin different from the first resin, and adhering the first adhered surface of the frame and the second adhered surface of the heat sink plate to each other; and
an insert member disposed within the adhesive layer, wherein
the insert member contains a resin;
the insert member has a maximum dimension of more than 1 mm; and
the unmounted region is a region where the power semiconductor element is to be mounted while the power semiconductor element has not yet been mounted.