ProtoLaser U4 (UV) Millimeter Wave Antenna Development on LTCC

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A link to four white papers through IEEE Xplore details laser etching capabilities offered with the newer LPKF ProtoLaser U4 for microwave (MW) and millimeter wave (MMW) applications ranging from 10 MHz to 100 GHz. Details include a Sievenpiper EBG (electromagnetic bandgap) structure that enables the antenna element at a frequency as high as 60 GHz suppressing surface waves resulting in 5 dB of enhanced measured gain. Fabrication is accomplished by laser ablation of interior and exterior metal layers using an LPKF UV Protolaser (U, U3 or U4).

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