复杂、坚硬、曲面上高精度随形电路的直接制造技术,Advanced Materials Technologies

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复杂、坚硬、曲面上高精度随形电路的直接制造技术
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2023-07-20 , DOI: 10.1002/admt.202300295
Wang Qin ₁ , Shujuan Li ₁ , Sha Wei ₁ , Shuaitong Qi ₁ , Weipei Zhang ₁ , Tuo Kang ₁ , Yan Li ₁

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3D曲面电子产品是微电子行业的趋势，但复杂曲面上的电路保形印刷仍然具有挑战性，特别是对于包含大曲率凹面的电子产品。在这项研究中，提出了一种新的跟随形状电路制造方法，利用高精度直接印刷技术在坚硬的、任意弯曲的表面上印刷电路。具有任何复杂曲面的电路都可以直接数字化和编程，以实现完全自主和受控的印刷，无需间接转移或移印处理。所提出的直接打印方法首先使用独特的 3D 投影技术将 2D 平面功能电路映射到 3D 数字曲面上。下一步是通过空间运动轨迹的受控规划、精密喷嘴的高频驱动控制、异质功能材料的精确切换控制，在复杂表面上直接打印集成电路。通过探究影响曲面电路成型质量和导电性能的主要因素，得到最佳印刷参数。简单的例子，例如声光触摸延时三控多功能系统，证明了所提出技术的可行性和广泛潜力。通过探究影响曲面电路成型质量和导电性能的主要因素，得到最佳印刷参数。简单的例子，例如声光触摸延时三控多功能系统，证明了所提出技术的可行性和广泛潜力。通过探究影响曲面电路成型质量和导电性能的主要因素，得到最佳印刷参数。简单的例子，例如声光触摸延时三控多功能系统，证明了所提出技术的可行性和广泛潜力。

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Direct Manufacturing Technology for High-Precision Follow-the-Shape Circuits on Complex, Hard, Curved Surfaces

3D curved electronics are a trend in the microelectronics industry, but conformal printing of circuits on complex curved surfaces remains challenging, especially for electronics comprising concave surfaces with large curvature. In this study, a new manufacturing method is proposed for follow-the-shape circuits, using high-precision direct printing technology to print circuits on hard, arbitrarily curved surfaces. A circuit with any complex curved surface can be directly digitized and programmed for fully autonomous and controlled printing without indirect transfer or pad printing processing. The proposed direct printing method begins with using unique 3D projection technology to map a 2D planar functional circuit onto a 3D digital curved surface. The next step is directly printing the integrated circuit on a complex surface by controlled planning of the spatial motion trajectory, high-frequency drive control of the precision nozzle, and precise switching control of the heterogeneous functional material. Optimal printing parameters are obtained by exploring the main factors affecting molding quality and electrical conductivity of curved surface circuits. Simple examples, such as an acoustic-optic touch time-delay three-control multifunction system, demonstrate the feasibility and broad potential of the proposed technology.

更新日期：2023-07-20

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