Abstract: Provided is an oxide thin film transistor, including a gate, a gate insulator, a channel layer, a protective layer, and a source electrode and drain electrode layer that are disposed on a base substrate, wherein the source electrode and drain electrode layer includes a source electrode and a drain electrode that are spaced; and the protective layer is disposed between the channel layer and the source electrode and drain electrode layer, and is in contact with both the source electrode and drain electrode layer and the channel layer; an orthographic projection of the protective layer on the base substrate covers an orthographic projection of the channel layer on the base substrate; and the protective layer includes a first portion, a second portion, and a third portion that are in different areas of the protective layer.

Abstract: A processing system and processing method for blocked microreactor. The processing system comprises an gas intake device, a flushing device, a microreactor to be processed and a plasma processing device. One end of the microreactor to be processed is connected with the gas intake device and the flushing device through a pipeline; the other end of the microreactor to be processed is connected with a waste liquid bottle through the pipeline; and the microreactor to be processed is arranged between electrodes of the plasma processing device. The present invention uses the effective reactivity of plasma and active free radicals in an excitation atmosphere to crack micro blockage in a micro channel in a short time. The method of the present invention has high flexibility and strong controllability, and can select plasma electrodes according to blocked regions to crack the blockage in a specific region.

Abstract: The present invention discloses a processing system and processing method for blocked microreactor. The processing system comprises an air intake device, a flushing device, a microreactor to be processed and a plasma processing device. One end of the microreactor to be processed is connected with the air intake device and the flushing device through a pipeline; the other end of the microreactor to be processed is connected with a waste liquid bottle through the pipeline; and the microreactor to be processed is arranged between electrodes of the plasma processing device. The present invention uses the effective reactivity of plasma and active free radicals in an excitation atmosphere to crack micro blockage in a micro channel in a short time. The method of the present invention has high flexibility and strong controllability, and can select plasma electrodes according to blocked regions to crack the blockage in a specific region.

Abstract: A method for continuously preparing nanoparticles including a noble metal or an alloy thereof belongs to the technical field of preparation of inorganic nanomaterials. A three-way quartz tube microreactor is designed; noble metal solutions used as raw materials are continuously inputted into the microreactor by injection pumps; and a plasma technology is coupled to form discharge in the microreactor to directly prepare nanoparticles including a noble metal or an alloy thereof. The device and the method have low energy consumption, wide operation range, safety, high efficiency, green and environmental protection. The synthesized nanoparticles have high purity, small size, narrow particle size distribution and adjustable components.

Abstract: The present invention discloses a method for continuously preparing noble metal and alloy nanoparticles thereof, and belongs to the technical field of preparation of inorganic nanomaterials. A three-way quartz tube microreactor is designed; noble metal solutions used as raw materials are continuously inputted into the microreactor by injection pumps; and a plasma technology is coupled to form discharge in the microreactor to directly prepare noble metal and alloy nanoparticles thereof. The device and the method of the present invention have low energy consumption, wide operation range, safety, high efficiency, green and environmental protection. The synthesized nanoparticles have high purity, small size, narrow particle size distribution and adjustable components.