G01R31/2887

Inspecting device and its testing socket

A testing socket includes a metal block, an assembly block, an analog ground probe pin and a digital ground probe pin. The metal block is formed with a concave portion and used to connect to an independent main ground. The assembly block is electrically isolated from the metal block, and detachably embedded in the recess, so that the metal block and the assembly block are assembled together to be a probe holder. The digital grounding probe is inserted in the metal block, electrically connected to the independent main ground through the metal block. The digital ground probe pin can be electrically connected to a device to be tested (DUT) and the independent main ground. The analog ground probe pin is inserted in the assembly block, and electrically connected to the DUT and another independent main ground.

ELECTRONIC COMPONENT TESTING APPARATUS, SOCKET, AND CARRIER

An electronic component testing apparatus that tests a DUT (device under test) disposed in a carrier includes: a test head including a socket; and an electronic component handling apparatus that presses the DUT in the carrier against the socket. The socket includes: contactors disposed to correspond to terminals of the DUT that are exposed to the socket via a first opening of the carrier; and a first wall projecting toward the carrier along a pressing direction of the DUT. The electronic component handling apparatus aligns the terminals with the contactors by pressing the DUT against the socket such that a first pressing mechanism of the carrier presses the DUT against the first wall.

Inspection socket
11619652 · 2023-04-04 · ·

Provided is an inspection socket capable of elastically contacting the conductor with the electrode of the object to be tested and the electrode for inspection by pushing the object to be inspected toward the inspection substrate side, without adhering foreign matters or contact marks to the object to be inspected. The inspection socket is so configured that the object to be inspected (100) is pushed toward the inspection substrate (10) without touching the object to be inspected (100), by integrally holding the object to be inspected (100) and the positioning table (20) using air pressure (negative pressure or positive pressure) and pushing the positioning table (20) by the pushing unit (50), so that the object to be inspected comes into contact with the land (11) of the inspection substrate (10) through the contact probe (30).

Device and method for aligning substrates
09851645 · 2017-12-26 · ·

A method for aligning and bringing a first substrate into contact with a second substrate as well as a corresponding device with at least four detection units wherein: at least two first detection units can move at least in the X-direction and in the Y-direction, and at least two second detection units can move exclusively in the Z-direction.

PROBE HEAD ASSEMBLIES AND PROBE SYSTEMS FOR TESTING INTEGRATED CIRCUIT DEVICES
20170363681 · 2017-12-21 ·

Probe head assemblies and probe systems for testing integrated circuit devices are disclosed herein. In one embodiment, the probe head assemblies include a contacting structure and a space transformer assembly. In another embodiment, the probe head assemblies include a contacting structure, a suspension system, a flex cable interface, and a space transformer including a space transformer body and a flex cable assembly. In another embodiment, the probe head assemblies include a contacting structure, a space transformer, and a planarization layer. In another embodiment, the probe head assemblies include a contacting structure, a space transformer, a suspension system, a platen, a printed circuit board, a first plurality of signal conductors configured to convey a first plurality of signals external to the space transformer, and a second plurality of signal conductors configured to convey a second plurality of signals via the space transformer. The probe systems include the probe head assemblies.

Testing device and method

Provided is a testing method including: disposing a wafer on a working platform of a testing device; and moving a circuit board of the testing device relative to the working platform by a movement assembly of the testing device so as to allow at least two testing ports of the circuit board to test two chips of the wafer, respectively. Further, the two testing ports have different testing functions. Therefore, during the wafer testing process, a single testing device can perform multiple testing operations.

Systems, methods, and apparatuses for implementing fast throughput die handling for synchronous multi-die testing
09835679 · 2017-12-05 · ·

In accordance with disclosed embodiments, there are provided systems, methods, and apparatuses for implementing fast throughput die handling for synchronous multi-die testing. For instance, there is disclosed in accordance with one embodiment a device handler for testing functional silicon devices, the device handler including: a plurality of test interface units to electrically interface to the functional silicon devices for test; a plurality of thermal actuators, each being individually movable upon at least three axes; an optical alignment unit with a plurality of pick and place head pairs, in which the optical alignment unit is to move upon a horizontal plane and is to move between the plurality of test interface units and the plurality of thermal actuators; an upward facing camera to move with the optical alignment unit, the upward facing camera to optically locate a position of the plurality of test interface units; a plurality of downward facing cameras, each to optically locate a position of one of the plurality of functional silicon devices to be tested upon one of the plurality of thermal actuators; in which the device handler is to move the optical alignment unit out from between the plurality of test interface units and the plurality of thermal actuators; and in which the device handler is to align test probes affixed to the test interface units with the plurality of functional silicon devices to be tested and electrically interface the test probes with the functional silicon devices for testing. Other related embodiments are disclosed.

Housing with anti-dislodge capability

A contactor assembly for a testing system is disclosed. The assembly includes a contact having a contact tail and a housing having a top surface and a bottom surface. A slot extends through the housing from the top surface to the bottom surface and defines a first inner side wall of the housing and a first inner end wall. The contact is receivable in the slot. The contact tail includes a sloped terminus. A retainer is disposed on the first inner side wall. When the sloped terminus is engaged with the first inner end wall, at least a portion of the retainer overlaps with the contact forming at an overlapping area in a cross-sectional view, thereby preventing removal of the contact from the top side of the housing.

Wafer scale active thermal interposer for device testing

A system for testing circuits of an integrated circuit semiconductor wafer includes a tester system for generating signals for input to the circuits and for processing output signals from the circuits for testing the wafer and a test stack coupled to the tester system. The test stack includes a wafer probe for contacting a first surface of the wafer and for probing individual circuits of the circuits of the wafer, a wafer thermal interposer (TI) layer operable to contact a second surface of the wafer and operable to selectively heat areas of the wafer, and a cold plate disposed under the wafer TI layer and operable to cool the wafer. The system further includes a thermal controller for selectively heating and maintaining temperatures of the areas of the wafer by controlling cooling of the cold plate and by controlling selective heating of the wafer TI layer.

Probe apparatus having a track and wafer inspection method using the same
11668745 · 2023-06-06 · ·

A probe apparatus and a wafer inspection method are provided. The probe apparatus includes a chuck configured to support a wafer, a track surrounding the chuck, a tester disposed on the track and having a probe, and a processing unit in communication with the tester and configured to move the tester circumferentially around the wafer such that the probe is moved from a first portion on the wafer to a second portion on the wafer.