Patent ID: 11955464
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A semiconductor package comprising:
a first semiconductor chip;
a second semiconductor chip on the first semiconductor chip;
a third semiconductor chip on the second semiconductor chip;
a first pad on a top surface of the second semiconductor chip, the first pad including a first portion and a second portion protruding in a vertical direction from the first portion, a width of the first portion in a first horizontal direction being greater than a width of the second portion in the first horizontal direction;
a second pad on a bottom surface of the third semiconductor chip, the bottom surface facing the top surface of the second semiconductor chip;
a first solder ball on a bottom surface of the first semiconductor chip; and
a second solder ball between the first pad and the second pad, and surrounding a sidewall of the second portion of the first pad.