Coplanar waveguide transmission lines and high Q inductors on CMOS grade silicon using photoresist and polyimide
1999
Gold coplanar waveguide (CPW) transmission lines with losses of <0.5 dB/mm at 60 GHz have been produced on CMOS grade silicon substrates using a 15 /spl mu/m thick layer of either photoresist or polyimide. This process, together with an electroplated interconnect technique, has been used to produce spiral inductors on a 2 /spl Omega//cm n-Si substrate with a Q of 15 and L of 1.2 nH at 6 GHz.
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