Patent ID: 11862901
Assignee: TERADYNE, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. A test system comprising:
a device interface board (DIB) to connect to devices under test (DUTs); and
a test head comprising a blind-mate connection to the DIB, the blind-mate connection comprising an interposer assembly, the interposer assembly comprising;
coaxial cables, each of the coaxial cables being configured to transport a first current originating from a current source;
printed circuit boards (PCBs), each of the PCBs being connected to a set of the coaxial cables in order to receive the first current from each coaxial cable in the set and to transport a second current; and
a spring leaf assembly comprising spring leaves, each of the spring leaves being connected to a PCB in order to transport a third current obtained from the PCB to the DIB, each of the spring leaves having one of a plurality of polarities defined by the third current;
wherein the coaxial cables on each PCB are arranged in parallel, the PCBs are arranged in parallel, and the spring leaves on each PCB are arranged in parallel; and
wherein on each PCB, a set of the spring leaves is arranged such that adjacent spring leaves have different polarities.