G01R31/2875

METHOD OF TESTING AN INTEGRATED CIRCUIT AND TESTING SYSTEM
20230003790 · 2023-01-05 ·

A method of testing an integrated circuit on a test circuit board includes performing, by a processor, a simulation of a first heat distribution throughout an integrated circuit design, manufacturing the integrated circuit according to the integrated circuit design, and simultaneously performing a burn-in test of the integrated circuit and an automated test of the integrated circuit. The burn-in test has a minimum burn-in temperature of the integrated circuit and a burn-in heat distribution across the integrated circuit. The integrated circuit design corresponds to the integrated circuit. The integrated circuit is coupled to the test circuit board. The integrated circuit includes a set of circuit blocks and a first set of heaters.

TEMPERATURE CONTROL SYSTEM INCLUDING CONTACTOR ASSEMBLY
20230003786 · 2023-01-05 · ·

A method for controlling temperature in a temperature control system. The method includes providing a temperature control system including a controller, a first contactor assembly having a first channel system, a plurality of first contacts, each of the first contacts including a portion that is disposed within the first channel system, and one or more of a first exhaust valve or a first inlet valve, and a second contactor assembly having a second channel system, a plurality of second contacts, each of the second contacts including a portion that is disposed within the second channel system, and one or more of a second exhaust valve or a second inlet valve. The method also includes receiving, by the first contactor assembly, a fluid at a first temperature. The method also includes receiving, by the second contactor assembly, the fluid at the first temperature.

TEST SOCKET HAVING AN AUTOMATED LID
20220404394 · 2022-12-22 ·

An example test socket for a test system includes a receptacle to make electrical and mechanical connections to a device under test (DUT) and a lid to cover the DUT in the receptacle. The lid is controllable to open automatically to enable receipt of the DUT in the receptacle and, following receipt of the DUT, to close automatically to cover the DUT in the receptacle. Closing the lid applies force to the DUT to complete the electrical and mechanical connections between the test socket and the DUT.

Burn-in chamber

A burn-in chamber is provided, configured to provide the required temperature for a device under test (DUT), including a side wall, a guiding plate, an air flow plate, a partition assembly, and a fan. The air flow plate has a ventilation structure, and the guiding plate is located between the side wall and the air flow plate. The partition assembly is disposed on both sides of the air flow plate. The partition assembly and the air flow plate together form an accommodating space for accommodating the DUT. The partition assembly forms a return channel with respect to the other side of the accommodating space with the side wall. When the fan is active, air from the accommodating space passes through the air flow plate and is guided to the return channel via the guiding plate, and air is returned to the accommodating space through the return channel.

Apparatus for testing semiconductor device

An apparatus for testing a semiconductor device is described. The apparatus includes a test chamber in which a test process for a plurality of semiconductor devices is performed, a first storage disposed in the test chamber with a first semiconductor device located therein, a second storage spaced apart in a first direction from the first storage with a second semiconductor device located therein, a first nozzle extending in the first direction on a first sides of the first and second storages and including a plurality of first air outlets configured to discharge air, a second nozzle extending in the first direction on and including a plurality of second air outlets configured to discharge air, and a controller controlling temperatures of the first and second semiconductor devices within a predefined temperature range by controlling the air discharged by the first and second nozzles.

SAFETY CONTAINER FOR HIGH POWER DEVICE TESTING OVER A RANGE OF TEMPERATURES

A safety container for high-power, electronic device testing, the safety container including a first shell and first and second ports in the first shell. The first shell is configured to substantially surround a testing chamber sized to accommodate a device-under-test (DUT). The first shell is substantially rigid. The first port is configured to allow a fluid into the testing chamber, the second port configured to allow the fluid to exit the testing chamber.

Thermal switch for rapid thermal coupling and decoupling of devices under test

An apparatus for testing integrated circuits (ICs) , includes a first thermal contact structure having a first surface to interface with a heat source and an opposing second surface to interface with a device under test (DUT). A second thermal contact structure is above the first thermal contact structure and separated therefrom by a variable-resistance thermal interface (VRTI) structure operable to couple or decouple the first and second thermal contact structures from one another. The VRTI structure has a maximal thermal conductivity associated with a first state, and a minimal thermal conductivity associated with a second state.

Probe card having power converter and test system including the same
11585833 · 2023-02-21 · ·

A probe card includes a sub-board, having a heating layer, connected to a probe pin. A main board is connected to the sub-board and includes a first output terminal configured to output first power received from a first power supply to the heating layer in a first mode. A power converter is configured to lower a first voltage corresponding to residual power received from the first power supply to a second voltage and output the residual power in a second mode. A second output terminal is configured to receive the residual power from the power converter and second power from a second power supply and output third power including the residual power and the second power to a device under test in the second mode. A first switch unit is connected to the first power supply, the first output terminal, and the power converter.

Electronic device temperature test on strip film frames

A system includes a platform and a contactor. The platform has a side configured to support a frame with a carrier structure and electronic devices each having first and second sides and a terminal, the first side positioned on the carrier structure, and the terminal exposed in a first portion of the second side. The contactor has first and second sides, a contact and a heater. The contact is exposed on the first side of the contactor to contact the terminal in a first portion of the second side of a selected one of the electronic devices, and the heater is exposed on the first side of the contactor to apply heat to a second portion of the second side of the selected one of the electronic devices.

MULTI-INPUT MULTI-ZONE THERMAL CONTROL FOR DEVICE TESTING

Disposing a DUT between a cold plate and an active thermal interposer device of the thermal management head. The DUT includes a plurality of modules and the active thermal interposer device includes a plurality of zones, each zone of the plurality of zones corresponding to a respective module of the plurality of modules and operable to be selectively heated. Receiving a respective set of inputs corresponding to each zone of the plurality of zones. Performing thermal management of the plurality of modules of the DUT by separately controlling temperature of each zone of the plurality of zones by controlling a supply of coolant to a cold plate, and individually controlling heating of each zone of the plurality of zones.