Solar cell screen printing plate and printing process thereof
A solar cell and screen technology, applied in printing, printing presses, rotary printing presses, etc., can solve the problems of difficulty in reducing the proportion of broken grids, uneven EL brightness, limited cost reduction, etc., to achieve enhanced crack resistance, The effect of uniform distribution and improved efficiency
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Embodiment 1
[0034] This embodiment discloses a solar cell printing screen, comprising: 9 bus grid lines 1 arranged in parallel, thin grid lines perpendicular to the bus grid lines 1, and each bus grid line 1 intersects the thin grid lines 4 With fine-grid gradient lines, each busbar line 1 has 6 pads 2, a total of 4 positioning points 3 are provided on both ends of the outer two busbar lines 1, and the positioning points 3 are set on the pad 2. The position of the corresponding positioning point on the thin grid line is provided with a reference point; the width of each busbar line 1 is 0.05mm, the distance between adjacent busbar lines 1 is 22mm, and the two ends of the busbar line 1 are harpoon-like structures. The length of the shaped structure is 4mm, the inner spacing of the harpoon is 1mm, and the width of the harpoon is 0.05mm. The pad 2 is a circle, a polygon or a polygon containing arcs. When it is a rectangle, the length is 0.3mm and the width is 0.5mm. The line width of the fine...
Embodiment 2
[0036] This embodiment discloses a solar cell printing screen, including: 10 bus grid lines 1 arranged in parallel, thin grid lines perpendicular to the bus grid lines 1, and each bus grid line 1 intersects the thin grid lines 4 With fine-grid gradation lines, there are 6 pads 2 on each bus-bar line 1, a total of 4 positioning points 3 are provided on both ends of the outer two bus-bar lines 1, and the positions of the corresponding positioning points on the thin-grid line are set There is a reference point; the width of each busbar line 1 is 0.06mm, the distance between adjacent busbar lines 1 is 20mm, the two ends of the busbar line 1 are harpoon-shaped structures, the length of the harpoon-shaped structure is 5mm, and the inside of the harpoon The pitch is 1.2mm, the width of the harpoon is 0.06mm, the pad 2 is rectangular, the length is 0.5mm, the width is 0.6mm, the width of the fine grid line is 0.020mm, the length is 0.9mm, and the spacing between adjacent fine grid lines...
Embodiment 3
[0038] This embodiment discloses a solar cell printing screen, including: 10 bus grid lines 1 arranged in parallel, thin grid lines perpendicular to the bus grid lines 1, and each bus grid line 1 intersects the thin grid lines 4 With fine-grid gradation lines, there are 6 pads 2 on each bus-bar line 1, a total of 4 positioning points 3 are provided on both ends of the outer two bus-bar lines 1, and the positions of the corresponding positioning points on the thin-grid line are set There is a reference point; the width of each busbar 1 is 0.08mm, the distance between adjacent busbars 1 is 18mm, the two ends of the busbar 1 are harpoon-shaped structures, the length of the harpoon-shaped structure is 6mm, and the inside of the harpoon The spacing is 1.4mm, the width of the harpoon is 0.08mm, the pad 2 is rectangular, the length is 0.8mm, the width is 0.8mm, the width of the fine grid line is 0.050mm, the length is 1.5mm, and the spacing between adjacent fine grid lines is 0.12mm. ...
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