材料科学
制作
电子线路
电阻器
3D打印
电子元件
印刷电子产品
喷嘴
电容器
印刷电路板
纳米技术
墨水池
数码产品
丝网印刷
光电子学
电气工程
机械工程
工程类
电压
复合材料
病理
替代医学
医学
作者
D. R. Hines,Yuan Gu,Andrew Martin,P. Li,Jason W. Fleischer,Aaron Clough-Paez,George Stackhouse,Abhijit Dasgupta,Siddhartha Das
标识
DOI:10.1016/j.addma.2021.102325
摘要
Additive manufacturing (AM) methods are coming of age and are being used to not only fabricate non-functional prototype parts but also to fabricate high-quality functional parts such as electronic circuits. Direct-write (DW) printing is emerging as one of the more promising AM methods for the fabrication of electronic circuits. Of the various DW methods, aerosol-jet (AJ) printing offers several advantages such as providing ink stream widths as small as 10–20 μm and nozzle-to-build plate stand-off heights of 2–5 mm. These capabilities have enabled AJ printing to be used for fabricating high-quality RF components, transmission lines, and antennas, along with fully additively fabricated passive components such as resistors, capacitors, and inductors. However, in order to fabricate such components, structures with precise geometries need to be printed. Therefore, AJ printing needs to be elevated to a technique that is beyond a simple fabrication method capable of printing individual traces with low enough resistance values to be used as circuit traces. With this in mind, the steps that will enable a more mature AJ printing methodology, namely a careful control of the printed trace width, ink steam deposition rate, ink scale factor, and print speed, are presented and described in detail.
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