Patent ID: 11894358
Assignee: KIOXIA CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A semiconductor device comprising:
a substrate having a main surface;
a first semiconductor chip having a first front surface and a first back surface opposite to the first front surface, the first front surface being mounted on the main surface via a plurality of bump electrodes;
a first spacer having a second front surface and a second back surface, the second back surface being mounted on the main surface, and a height of the second front surface from the main surface being within a range between a highest height and a lowest height of the first back surface from the main surface; and
a second spacer having a third front surface and a third back surface, the third back surface being mounted on the main surface, and a height of the third front surface from the main surface being within a range between the highest height and the lowest height of the first back surface from the main surface.