Review of 3D Printed Millimeter-Wave and Terahertz Passive Devices

Figure 2

Roughness of 3D printed V-band horns’ inner surfaces: (a) binder jetted 316L stainless steel without treatment, (b) gold electroplated binder jetted 316L stainless steel, (c) MMP treated binder jetted 316L stainless steel, (d) manually polished SLM Cu-15Sn, (e) gold electroplated SLM Cu-15Sn, and (f) MMP treated SLM Cu-15Sn.

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