Hydrophilicity detection mechanism
A testing mechanism and hydrophilic technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of unstable measurement and inaccurate measurement results, achieve good test stability, avoid the process of manual reading, and evenly distribute Effect
Pending Publication Date: 2022-03-01
HENGDIAN GRP DMEGC MAGNETICS CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is to provide a hydrophilicity detection mechanism to solve the problem of unstable measurement and inaccurate measurement results in the prior art by manually measuring hydrophilicity
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[0027] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention relates to the technical field of solar single crystal battery piece detection, and particularly discloses a hydrophilicity detection mechanism which comprises a workbench, a piece carrying plate, a cover plate and a measuring system, the piece carrying plate is arranged on the workbench, a to-be-tested element is placed in a groove in the piece carrying plate, the cover plate is hinged to the workbench, and the measuring system is arranged on the cover plate. The cover plate can be buckled above the slide glass plate, the measuring system is arranged on the workbench, when the hydrophilicity data of the to-be-detected element is measured, liquid drops are uniformly dropwise added to several different positions on the surface of the to-be-detected element, then diffusion information of the liquid drops at the several different positions on the surface of the to-be-detected element is obtained through the measuring system, and the hydrophilicity data of the to-be-detected element is measured. And the diffusion size of the liquid drops on the to-be-detected element is obtained after processing of the measuring system. By means of the hydrophilic detection mechanism, the manual reading process when a vernier caliper and the like are used for measurement is avoided, and therefore it is guaranteed that the hydrophilic detection mechanism is good in testing stability and accurate in measurement.
Description
technical field [0001] The invention relates to the technical field of detection of solar single crystal cells, in particular to a hydrophilicity detection mechanism. Background technique [0002] The production steps of conventional solar cells generally go through the main steps of surface texturing, diffusion junction, etching and edge junction and phospho-silicate glass, anti-reflection coating, screen printing, sintering and detection and packaging. However, some special batteries also include the step of growing a silicon dioxide layer on the surface of the silicon wafer after etching and before coating the anti-reflection film, and the hydrophilicity of the silicon dioxide layer needs to be tested. After the etching process in the traditional process, the surface of the silicon wafer is clean and does not contain hydrophilic groups. At this time, the surface of the silicon wafer is hydrophobic. If a layer of silicon dioxide is grown on the surface of the silicon wafe...
Claims
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CPCG01N13/00G01N2013/003
Inventor 周芳超周倩欣任良为吴炎炎
Owner HENGDIAN GRP DMEGC MAGNETICS CO LTD