Detector

Cotest optical core detector product line mainly includes: PD/APD wafer test DMP7000 series, and SPAD/SiPM DMPT7000 series. The products are mainly applied to VCSEL manufacturing enterprises (characteristic GaAs process line Fab), design companies, back-end module manufacturers, terminal lidar customers and optical communication customers. In the application of optical devices in lidar, the company timely launched the wafer test bench of PD/APD and the module test bench of SiPM. Throughput has reached the leading level in the industry and has been widely used in mass production automation.

Mass production table

PD/APD Wafer Tester DMP7000

Back-illuminated APD probe station DMP7000 by Cotest, is composed of automatic probe station module, fiber coupling module, APD test module, special probe holder module, driver and control software, etc. It can be used as a comprehensive performance evaluation mechanism of bare die. The system has fast semi-automatic comprehensive detection capabilities, fast testing speed, fully in line with small batch laboratory testing applications, high detection accuracy, strong adaptability.

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Mass production table

SPAD/SiPM Module Tester DPMT7000

DPMT7000 is composed of blue film loading module, photoelectric performance test module, blue film unloading module, drive and control software, etc., which can be used as a comprehensive performance evaluation mechanism for SiPM package testing. The system covers optoelectronic performance testing, combined with different blue film feeding forms, to achieve batch testing of SiPM.

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