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首页> 外文会议>IMAPS 2008 - 41st international symposium on microelectronics: bringing together the entire microelectronics supply chain >Fine Line Screen Printing of Thick Film Pastes on Silicon Solar Cells
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Fine Line Screen Printing of Thick Film Pastes on Silicon Solar Cells

机译：硅太阳能电池上厚膜浆料的细线丝网印刷

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摘要

Fine line screen printing capabilities are essential as photovoltaic technology for crystalline silicon solar cells progresses. One approach to increasing efficiency is a movement towards higher sheet resistance emitters. This will improve both current and voltage in the solar cell by increasing the blue response and decreasing recombination. The grid design for the front contact metallization must be adjusted to realize these benefits of increasingly higher sheet resistances. Finger lines must be narrower and spaced closer together to account for the increased sheet resistance between traces while decreasing shadowing of the cell. They must also be taller to maintain a cross sectional area that will transport current with low line resistance. The combination of these printing properties is known as high aspect ratio.rnThis paper presents the challenges of fine line screen printing of thick film pastes with high aspect ratio for solar cell applications. We will discuss the print quality as it pertains to the interactions between paste rheology, screen printing parameters, and screen technology.
机译：随着用于晶体硅太阳能电池的光伏技术的发展，细线丝网印刷能力至关重要。一种提高效率的方法是向更高的薄层电阻发射器发展。通过增加蓝色响应并减少复合，这将同时改善太阳能电池中的电流和电压。必须调整用于前触点金属化的栅极设计，以实现越来越高的薄层电阻的这些好处。指线必须更窄且间距更近，以解决迹线之间增加的薄层电阻，同时减少单元的阴影。它们还必须更高，以保持能够以低线电阻传输电流的横截面积。这些印刷特性的组合被称为高长宽比。本文提出了在太阳能电池应用中对具有高长宽比的厚膜浆料进行细线丝网印刷的挑战。我们将讨论与浆料流变性，丝网印刷参数和丝网技术之间的相互作用有关的印刷质量。

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