The PCB electrical testing equipment is a high-resolution circuit inspection device for printed circuit boards (PCBs).  It mainly consists of a sensor, a PCB electrical testing fixture, a computer, a positioning camera, XYZ servo linear motors, and a loading/unloading mechanism. The system uses the sensor and testing machine in conjunction with the fixture to image the PCB circuits.  Through image processing algorithms, it identifies open circuits, short circuits, and other defects in the PCB circuits. The loading/unloading mechanism sorts the PCBs into OK and NG (defective) products, marking the locations of open circuits, short circuits, and other defects on the NG products for subsequent repair or retesting by other departments in the production line.

Test Objects:

IC substrates, MICROLEDs, FPCs, glass substrates, and high-end PCBs that cannot be probed or require no probe marks. [As PCB/FPC/glass substrate products become increasingly precise, and pad sizes become smaller (<4mil x 4mil), traditional fixtures can no longer meet testing requirements.  Surface defects such as probe marks left after product testing can affect chip soldering. Non-contact electrical testing equipment has emerged to address this, and is currently being mass-produced in the Japanese market.]

Equipment Features:

This equipment utilizes CCD alignment and is a high-end device built with sensors, ultra-precision instruments and components jointly developed by Nano-Research Technology and OHT Japan, along with Nano-Research Technology's core algorithms. It can address the challenges of testing products such as glass substrates, IC substrates, MICROLEDs, and high-end PCBs/FPCs, where the pad size is too small for conventional probing or where no probe marks are permitted on the surface after testing.