G01R1/07342

Cryogenic wafer test system

One example includes a cryogenic wafer test system. The system includes a first chamber that is cooled to a cryogenic temperature and a wafer chuck confined within the first chamber. The wafer chuck can be configured to accommodate a wafer device-under-test (DUT) comprising a plurality of superconducting die. The system also includes at least one wafer prober configured to implement a test on a superconducting die of the plurality of superconducting die via a plurality of electrical probe contacts. The system further includes a wafer chuck actuator system confined within a second chamber. The wafer chuck actuator system can be configured to provide at least one of translational and rotational motion of the wafer chuck to facilitate alignment and contact of a plurality of electrical contacts of the superconducting die to the respective plurality of electrical probe contacts of the at least one wafer prober.

CRYOGENIC WAFER TEST SYSTEM

One example includes a cryogenic wafer test system. The system includes a first chamber that is cooled to a cryogenic temperature and a wafer chuck confined within the first chamber. The wafer chuck can be configured to accommodate a wafer device-under-test (DUT) comprising a plurality of superconducting die. The system also includes at least one wafer prober configured to implement a test on a superconducting die of the plurality of superconducting die via a plurality of electrical probe contacts. The system further includes a wafer chuck actuator system confined within a second chamber. The wafer chuck actuator system can be configured to provide at least one of translational and rotational motion of the wafer chuck to facilitate alignment and contact of a plurality of electrical contacts of the superconducting die to the respective plurality of electrical probe contacts of the at least one wafer prober.

High-frequency data differential testing probe

A high-frequency testing probe having a probe substrate and at least two probe tips. The probe substrate is a printed circuit board and the probe tips are coupled to and extend outward from the printed circuit board. The first and second probe tips are each communicatively coupled to respective first and second probe connectors through respective first and second conducting traces disposed upon the printed circuit board. The probe connectors are configured to couple the testing probe to at least one of a high-frequency vector network analyzer and a high-frequency time domain reflectometer. The probe tips translate along their respective central longitudinal axes through respective adjustable couplings to modify respective distances the probe tips extend outward from the printed circuit board.

Probe test card and method of manufacturing the same
11543433 · 2023-01-03 · ·

A probe test card includes a substrate, a plurality of test needles, and a fixing layer. The substrate includes a trench formed at a surface of the substrate. Each of the test needles includes a first end positioned in the trench and a second end, opposite to the first end, protruding from the trench. The fixing layer is formed in the trench to fix the test needles to the trench. The fixing layer includes a resin layer having a ceramic powder.

APPARATUS AND METHOD FOR MANAGING POWER OF TEST CIRCUITS

An apparatus has a semiconductor wafer hosting rows and columns of chips, where the rows and columns of chips are separated by scribe lines. Voltage regulators are positioned within the scribe lines. Each voltage regulator is connected to one or more chips. Selection circuitry is positioned within the scribe lines. The selection circuitry governs access to a chip being tested.

APPARATUS AND METHOD FOR TESTING ALL TEST CIRCUITS ON A WAFER FROM A SINGLE TEST SITE

An apparatus has a semiconductor wafer hosting rows and columns of chips, where the rows and columns of chips are separated by scribe lines. Vertical and horizontal routing lines are in the scribe lines interconnecting the rows and columns of chips. Test circuit sites are in the scribe lines, each test circuit site including contact pads for simultaneous connection to probe card needles, sensor circuit select and control circuitry, and a sensor circuit bank.

Insertion/extraction mechanism and method for replacing block member

There is provided an insertion/extraction mechanism for having one or multiple block members being inserted into or extracted from a frame member forming an intermediate connection member that is disposed between a first member having multiple first members and a second member having multiple second terminals and electrically connects the first terminals and the second terminals, the block member having multiple connection terminals for electrically connecting the first terminals and the second terminals. The insertion/extraction mechanism comprises a first engaging unit and a second engaging unit that are engaged with a first engaged portion and a second engaged portion of the block member, respectively, thereby holding the block member.

Anodic oxide film structure

Proposed is an anodic oxide film structure that includes an anodic oxide film sheet and has high strength, chemical resistance and corrosion resistance.

Test probing structure

A testing probe structure for wafer level testing semiconductor IC packaged devices under test (DUT). The structure includes a substrate, through substrate vias, a bump array formed on a first surface of the substrate for engaging a probe card, and at least one probing unit on a second surface of the substrate. The probing unit includes a conductive probe pad formed on one surface of the substrate and at least one microbump interconnected to the pad. The pads are electrically coupled to the bump array through the vias. Some embodiments include a plurality of microbumps associated with the pad which are configured to engage a mating array of microbumps on the DUT. In some embodiments, the DUT may be probed by applying test signals from a probe card through the bump and microbump arrays without direct probing of the DUT microbumps.

Probe card and probe module thereof

A probe card and a probe module thereof are provided. The probe card includes a first strengthening board, a fixed frame, a probe module, and a slidable frame. The first strengthening board includes a top surface, a bottom surface, and a mounting hole. An inner wall of the mounting hole is formed with an inner flange. The fixed frame is disposed on the top surface of the first strengthening board and surrounds the mounting hole. The probe module is disposed in the mounting hole and includes an outer flange including a physical region and multiple gap regions. The physical region abuts against the inner flange of the first strengthening board. The slidable frame is disposed on an inner wall of the fixed frame and is slidable between a released position and a fixed position. Multiple pressing portions are disposed on an inner wall of the slidable frame.