1results about How to "Improve test pass rate" patented technology

The present application relates to a kind of microchannel laser monobar test system refrigerant recovery device and recovery method, belong to the technical field of semiconductor laser.The device includes test base, gas storage tank, liquid discharge tank, exhaust tank and refrigerator, wherein, test base is provided with liquid inlet hole and liquid return hole, liquid inlet hole is connected to refrigerator by liquid inlet pipe, liquid inlet pipe is connected with gas storage tank, liquid return hole is connected to refrigerator by liquid return pipe, liquid return pipe is respectively connected with liquid discharge tank and exhaust tank by liquid discharge pipe, and the bottom of liquid discharge tank and exhaust tank is respectively connected to refrigerator by recovery pipe.The present application is simple in structure, easy to operate, high in production efficiency, can realize refrigerant automatic recovery and reuse, reduce production cost and improve test pass rate.