Patent ID: 11901338
Assignee: XILINX, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 18:
19. The integrated circuit device of claim 18, wherein:
(a) the first U-turn connection further comprises:
a first hybrid contact layer coupled to the first front side bond pad of the first wafer;
a second hybrid contact layer coupled to the first test key; and
a hybrid bond layer coupled to the first hybrid contact layer and the second hybrid contact layer;

(b) the second U-turn connection further comprises:
a first hybrid contact layer coupled to the second front side bond pad of the first wafer;
a second hybrid contact layer coupled to the second test key; and
a hybrid bond layer coupled to the first hybrid contact layer and the second hybrid contact layer; and

(c) wherein the third U-turn connection further comprises:
a first hybrid contact layer coupled to the third front side bond pad of the first wafer;
a second hybrid contact layer coupled to the third test key; and
a hybrid bond layer coupled to the first hybrid contact layer and the second hybrid contact layer.