Patent ID: 11862575
Assignee: SK HYNIX INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A semiconductor device, comprising:
an upper substrate having a circuit region;
a first seal-ring surrounding the circuit region over the upper substrate;
a crack detection ring surrounding the first seal-ring over the upper substrate;
a second seal-ring surrounding the first seal-ring and the crack detection ring over the upper substrate;
a connection part connecting the first seal-ring and the crack detection ring;
a crack detection structure disposed in the circuit region and electrically connected to the crack detection ring;
a third seal-ring surrounding the second seal-ring over the upper substrate; and
a first trench ring disposed between the second seal-ring and the third seal-ring,
wherein the first trench ring has a trench isolation structure formed inside the upper substrate, and
wherein the trench isolation structure includes an insulating material filled in a trench.