Patent ID: 11901337
Assignee: KIOXIA CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The semiconductor device according to claim 1, further comprising:
a first package including the first wiring substrate, the plurality of first semiconductor chips, the second wiring substrate, and the first columnar electrode; and
a second package including:
a third wiring substrate having a fifth surface and a sixth surface opposite to the fifth surface,
a plurality of fifth electrode pads on the fifth surface,
a plurality of second semiconductor chips stacked above the fifth surface of the third wiring substrate,
a third columnar electrode extending in the first direction and configured to connect between a sixth electrode pad provided on the second semiconductor chip and the fifth electrode pad, and
a second resin layer configured to cover the plurality of second semiconductor chips and the third columnar electrode on the fifth surface side,

wherein the second package is stacked on and electrically connected to the first wiring substrate.