| 20090159930 | High electron mobility transistor having self-aligned miniature field mitigating plate and protective dielectric layer and fabrication method thereof - A semiconductor device is fabricated to include source and drain contacts including an ohmic metal sunken into the barrier layer and a portion of the channel layer; a protective dielectric layer disposed between the source and drain contacts on the barrier layer; a metallization layer disposed in drain and source ohmic vias between the source contact and the protective dielectric layer and between the protective dielectric layer and the drain contact; and a metal T-gate disposed above the barrier layer including a field mitigating plate disposed on a side portion of a stem of the metal T-gate. | 06-25-2009 |