W-Band Micromachined Vertical Interconnection for Three-Dimensional Microwave ICs
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abstract
A novel vertical interconnection utilizing finite ground coplanar waveguide (FGCPW) and silicon micromachining has been developed for W-band The measured results indicate insertion loss of only 0.6 dB. This transition uses standard processing techniques and is a compact, 520 m width and 520 m length, design. With this vertical interconnect, multiple IC layers may be connected to achieve new levels of high density, low loss integration.