An integrated circuit transistor is fabricated with a trench gate having nonconductive sidewalls. The intrinsic viscosity \u03b7 as measured in tetralin solvent at 135\xb0 C. The control logic may select the device table entry for a given request by the using a device identifier that corresponds to the IO device that generates the request. The projection can be of a geometrical shape that facilitates gripping and the handling of the vent disc, including rectangular, ellipsoidal or cylindrical shapes. The Vivaldi notch meander line combination assures that for an array one does not have a separation of the elements more than a 0.