Erratum to “3-D Printed Rectangular Waveguide 123–129 GHz Packaging for Commercial CMOS RFICs”

Due to a production error, in the above letter [1], on page 1, the sentence “The optical microphotograph of the plane view for the $322\times 876\times 1630\,\,\mu \text{m}$ test chip is shown in Fig. 1(b)” should have been presented as: