Modularized device interface with grounding insert between two strips
View Patent ↗The traditional device interface board is replaced by a number of smaller strips containing one or more electrical components for interfacing the device under test and the test head. The device interface modules may mount to a stiffening member having a back bone and multiple ribs running through the stiffening member. The device interface strips can create a lattice-like structure for the interface circuitry. Individual circuits may be disposed on the interface strips to perform functionality relating to the device under test and/or the test head.
1. A modularized device interface comprising:
a stiffening member having a backbone disposed in the stiffening member;
a plurality of device interface strips disposed on the stiffening member, the plurality of device interface strips extending from the backbone;
at least one electrical component mounted on each of the plurality of device interface strips, the electrical component containing a circuit network for interfacing an instrument interface block and test head; and
a grounding insert located between two device interface strips of the plurality of device interface strips, the grounding insert in electrical communication with electrically-conductive edges of the two device interface strips.
2. The modularized device interface of claim l, wherein the electrical component comprises an electrical trace.
3. The modularized device interface of claim 1 , wherein the electrical component comprises an integrated circuit.
4. The modularized device interface of claim 1 , wherein the plurality of device interface strips have a first end and a second end, the plurality of device interface trips having an alignment hole at the first end, further comprising:
alignment pins on the stiffening member, the alignment pins engaging the alignment holes of the first end of each of the plurality of device interface strips.
5. The modularized device interface of claim 1 , wherein the backbone comprises a communication board for docking the plurality of device interface strips with a test head, the communication board electrically connecting the plurality of device interface strips.
6. The modularized device interface of claim 1 , wherein the stiffening member further comprises at least one rib.
7. The modularized device interface of claim 6 , wherein the stiffening member comprises a substantially rectangular frame having a central backbone spanning the stiffening member, the at least one rib spanning the stiffening member.
8. The modularized device interface of claim 1 , wherein the electrical component comprises a loop-back circuit.
9. The modularized device interface of claim 1 , further comprising wires or ribbon cables coupled to and interconnecting the plurality of device interface strips, thereby maintaining intercommunication throughout the at least one electrical components mounted on each of the plurality of device interface strips.
10. The modularized device interface of claim 1 , wherein the grounding insert located between two device interface strips of the plurality of device interface strips is comprised of a flexible corrugated metal sheet.
11. A modularized device interface comprising:
a stiffening member;
a plurality of device interface strips disposed on the stiffening member, each device interface strip of the plurality of device interface strips having at least one electrically-conductive edge proximate to a neighboring device interface strip;
at least one electrical component disposed on each of the plurality of device interface strips, the at least one electrical component comprising a circuitry network adapted for a dedicated functionality to provide an interface between a corresponding testing instrument and a device under test; and
a grounding insert located between two device interface strips of the plurality of device interface strips the grounding insert in electrical communication with electrically-conductive edges of the two device interface strips.
12. The modularized device interface of claim 11 , wherein the electrical component comprises an integrated circuit.
13. The modularized device interface of claim 11 , further comprising:
a communication board mounted to the stiffening member and electrically coupled to at least one electrical component disposed on each device interface strip of the plurality of device interface strips;
wherein an end of each device interface strip of the plurality of device interface strips is electrically coupled to the communication board.
14. The modularized device interface of claim 11 , wherein the grounding insert located between two device interface strips of the plurality of device interface strips is comprised of a flexibly corrugated metal sheet.