Patent ID: 11867749
Assignee: TERADYNE, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. The test system of claim 1, further comprising:
trays comprising cells for holding DUTs to be tested or DUTs that have been tested;
wherein the pickers are configured for picking the DUTs to be tested from the trays and for placing the DUTs that have been tested into the trays;
wherein the gantry is configured to move the pickers relative to the cells to position the pickers for picking the DUTs to be tested or for placing the DUTs that have been tested;
a scanner configured for movement over the trays, the scanner being configured to capture three-dimensional data (3D) representing structures of the trays and presence or absence of DUTs in at least some of the cells; and
wherein the control system is configured to determine, based on the 3D data, which of the cells contains DUTs and whether DUTs in the cells are placed properly.