Hi, RF MEMS , HFSS or IE3D along with coventorware will be sufficient. ----- Original Message ----- From: "Mukund Raman"To: "General MEMS discussion" Sent: Sunday, July 31, 2005 4:06 AM Subject: Re: [mems-talk] RF MEMS Hi Hitesh, I am working on a resonator design using Coventorware. Is there a specific device that you are working on?