Smooth mirror surface processing technology based on composite screen printing plate

Abstract

The invention discloses a smooth mirror surface processing technology based on a composite screen printing plate. The smooth mirror surface processing technology comprises the steps of screen pulling, that is, the composite screen printing plate is manufactured from a screen plate, a silk screen and a hot melt adhesive film; pretreatment, that is, the composite screen printing plate is cleaned, and grease and impurities on the surface of the composite screen printing plate are removed; distribution and film attaching, that is, sensitive emulsion and a release attaching film are attached to the composite screen printing plate in sequence; plate burning, that is, a pattern is transferred to the composite screen printing plate from a film through ultraviolet irradiation; and developing, that is, non-cured sensitive emulsion on the composite screen printing plate is removed, and a finished product is obtained. By means of the smooth mirror surface processing technology based on the composite screen printing plate, the flatness of the printing surface of the composite screen printing plate is greatly improved, pulp can be effectively prevented from overflowing, the pulp is saved, lines can be printed thinner and straighter, and therefore a better printing silver line height-width ratio is obtained, the photoelectric conversion efficiency of products is improved, and the product competitiveness is improved.

Description

Technical field [0001] The invention relates to the field of printing elements such as solar cells, high-precision electronic components and the like, in particular to a smooth mirror surface treatment process based on a composite screen. Background technique [0002] With the rapid development of the economy, the consumption of energy is also increasing, and the storage of non-renewable energy such as coal, oil, and electricity is decreasing. Energy issues have increasingly become a major issue that restricts the development of the international society and economy. New energy sources are constantly being explored, among which solar energy research occupies an important position. As one of the core technologies of solar energy research, solar cells have also been rapidly developed in recent years. Improving the conversion efficiency of solar cells is currently the main research object of solar cells. In addition to the requirements of cell substrate material selection and substr...

AI Technical Summary

Problems solved by technology

[0004] 1. When the mesh is woven, the warp and weft lines are interlaced and there are net knots. When the photosensitive emulsion is coated, the emulsion will fill in the mesh and form ups and downs with the shape of the net knot; The unevenness of the printing surface will overflow with the undulation of the opening, resulting in burrs or widening of the line printing, wasting paste; 3. Due to the widening of the printing, the printing line collapses and affects the printing height; 4. Ultimately affects the battery chip conversion efficiency;

[0005] Therefore, the traditional printing production process can no longer meet the growing needs of users, which is not conducive to the wide application of precision plate making

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