G01R1/07342

PROBE SYSTEM FOR QFP INTEGRATED CIRCUIT DEVICE TEST TOOLING
20220349918 · 2022-11-03 ·

An automated high speed test solution for Quad Flat Pack device packages that enables connectivity between test equipment and the integrated circuit under test is described. A test probe geometry that provides highly repeatable and reliable connections suitable for use with consumer grade QFP devices coupled with ease of maintenance is provided. In some embodiments, the probe tip ends are chisel-shaped. The probes can be slightly slanted with respect to a vertical axis of the probe retaining block.

RELAY POGO CHARGED DEVICE MODEL TESTER USING ELECTROSTATIC DISCHARGE METHOD AND STRUCTURE FOR REPEATABLE CHARGED DEVICE MODEL TESTING

A relay pogo contact first charged device model test head apparatus for relay-based contact first field induced charged device model testing has a ground plane of conductive material, a coaxial connector whose outer conductor electrically connects to the ground plane, a current-sensing element with one terminal electrically connects to the ground plane and the other terminal electrically connects to the center conductor of the coaxial connector, a switch where the first terminal electrically connects to a center conductor of the coaxial connector, and a probe with one end electrically connected to a second terminal of the switch and the other end exposed to contact external objects.

PROBE CARD HAVING POWER CONVERTER AND TEST SYSTEM INCLUDING THE SAME
20220341967 · 2022-10-27 ·

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.

HEATER SUBSTRATE, PROBE CARD SUBSTRATE, AND PROBE CARD
20230085111 · 2023-03-16 · ·

Provided is a heater substrate that includes an insulating substrate having a first surface and a second surface that is on an opposite side from the first surface, a heater wire located inside the insulating substrate, and an adjustment part that is electrically connected to the heater wire. The adjustment part includes a pair of adjustment terminals that are located on the second surface and are respectively electrically connected to two ends of a partial section of the heater wire, and an adjustment conductor that is located on the second surface and is connected to the pair of adjustment terminals. Also provided are a probe card substrate and a probe card that include the heater substrate.

HEATER SUBSTRATE, PROBE CARD SUBSTRATE, AND PROBE CARD
20230084616 · 2023-03-16 · ·

A heater substrate has an insulating substrate having a first surface and a second surface on the opposite side relative to the first surface and at least one heating element of spiral shape including plural heater wire pieces and positioned in or on the insulating substrate. The heating element of spiral shape has at least one adjustment section including a turn of all or some of the plural heater wire pieces. The plural heater wire pieces include a first heater wire piece and a second heater wire piece adjacent to the inner side of the first heater wire piece. In the adjustment section, the length of the first heater wire piece is smaller than the length of the second heater wire piece.

PROBE CARD INTEGRATED WITH A HALL SENSOR
20230083401 · 2023-03-16 ·

The present disclosure provides a wafer probe card including: a non-magnetic printed circuit board (PCB) having a first side and a second side opposite the first side, the first side configured to face a magnet; a plurality of connection structures provided on the first side of the non-magnetic PCB; and a Hall sensor unit fixedly provided on the first side of the non-magnetic PCB, the Hall sensor electrically connected to at least one of the plurality of connection structures.

Prober with cooling mechanism for directly cooling a device under test
11480611 · 2022-10-25 · ·

Prober for a test system for testing a device under test is disclosed. In one example, the prober comprises a chuck configured for carrying the device under test, a transport circuitry for transporting electric signals to and/or away from the device under test. A cooling unit is directly thermally coupled with the device under test and configured for cooling the device under test at a main surface of the device under test facing the chuck.

CIRCUIT BOARD FOR SEMICONDUCTOR TEST
20220334178 · 2022-10-20 · ·

A circuit board for semiconductor test includes first and second sub-circuit boards, and an insulating dielectric layer therebetween. Each sub-circuit board includes a substrate and circuits including upper and lower contacts. The insulating dielectric layer includes through holes, and connecting conductors disposed therein and electrically connected with the upper and lower contacts of two sub-circuit boards. The circuit board is defined with central and peripheral regions. The lower contacts of the first sub-circuit board in the central region are electrically connected with a probe head. The upper contacts of the second sub-circuit board in the peripheral region are electrically connected with a tester, larger in pitch than the lower contacts of the first sub-circuit board in the central region, and larger in amount than the lower contacts of the first sub-circuit board in the peripheral region. The circuit board has great power test uniformity.

PACKAGE STRUCTURE, ANTENNA MODULE AND PROBE CARD

The present disclosure provides a package structure, an antenna module, and a probe card. The package structure includes a connection member and a first redistribution structure disposed on the connection member. The connection member includes a conductive connector and an insulation layer surrounding the conductive connector. The first redistribution structure includes a first dielectric layer, and a first wiring pattern, and a first device. The first dielectric layer is disposed on the connection member. The first wiring pattern is disposed in the first dielectric layer. The first device is disposed above the first dielectric layer and is electrically connected to the conductive connector.

INSPECTION APPARATUS AND INSPECTION METHOD
20230124392 · 2023-04-20 ·

An inspection apparatus for a substrate, comprising: a placing member on which a substrate is placed; a holder configured to hold a probe card having probes; positioning members to be in contact with an upper surface of the placing member to define a height of the placing member with respect to the probes; an adjustment mechanism configured to adjust heights of the positioning members; a detection device; and a control. The controller is configured to execute: positioning the positioning member to a reference height at which an overdrive amount becomes zero, based on the detection results of the probes, the placing member, and the positioning member; and acquiring a height of the positioning member at which a desired overdrive amount is obtained, and raising the placing member while adjusting a driving amount of the adjustment mechanism until the placing member reaches the height.