Horizontal fetching and placing system of two-phase solar energy wafer and a fetching and placing method thereof

Abstract

The present invention relates to a horizontal fetching and placing system of two-phase solar energy wafer and a fetching and placing method thereof. The horizontal fetching and placing system of two-phase solar energy wafer is able to fetch solar wafer from a load crystal boat that has several horizontal placement grooves to make the solar wafer horizontally placed in the horizontal placement grooves. The horizontal fetching and placing system includes an adsorption fetching and placing device, a driving device and a processing device. The adsorption fetching and placing device is able to absorb and wipe out an absorbing solar wafer. When the adsorption fetching and placing device that driven by the driving device fetches or places the solar wafer to the horizontal placement grooves, the adsorption fetching and placing device is subject to processing device and maintains the low tension suction. When the solar wafer fetched out of the load crystal boat or in the process of transmitting, the solar wafer maintains high tension suction toward fetching solar wafer.

Description

technical field [0001] The invention relates to a pick-and-place system with a high-pressure adsorption state and a low-pressure adsorption state, especially a two-stage solar wafer horizontal pick-and-place system and its pick-and-place method. Background technique [0002] The demand for clean energy such as solar energy is increasing day by day. At present, the main conversion method of solar energy is to convert solar energy into electrical energy through solar cells for use. With the popularization of solar cells, strict The quality inspection of solar cells has also become an important issue in the industry. [0003] The manufacturing process of the above-mentioned solar cells includes: cleaning, surface structure treatment, diffusion process, edge etching, anti-reflection layer coating, screen printing and high temperature sintering. Among them, the flow of the diffusion process, such as figure 1 and figure 2 As illustrated, in this example, the solar wafer 2 is f...

AI Technical Summary

Problems solved by technology

Therefore, in the process of moving, once the solar wafer rubs or hits the surrounding environment, the solar wafer will still be damaged or even cracked due to friction or collision.

[0007] Furthermore, when the suction nozzle sucks the solar wafer above it with too strong suction, the air cannot easily enter the gap between the wafers because the two pieces are too close together, making the space between the solar wafers close to a vacuum, and causing the stacking of the wafers below Another piece of solar wafer is attached to the solar wafer that is sucked up due to external air pressure, so that when the suction nozzle picks up the solar wafer, the lower solar wafer will be sucked at the same time, and this linkage is not The combination is firm, and the wafer below will fall at any time, causing troubles. Additional processes must be added to separate pairs of adjacent solar wafers, causing troubles in the overall operation process.

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