A technique for use in fabricating an integrated circuit are disclosed. When used with an oven, it continuously moves foods and other items in a closed, horizontal loop. The phased array antenna may further include a plurality of back-to-back pairs of second antenna elements carried by the substrate and defining at least one active beamsteering zone for the antenna beam. In one embodiment, an oscillation device positioned adjacent to the drill bit provides the oscillation. A stress layer is formed in the opening of the first doped region on the both sides of the gate structure. Each of the terminals includes a message creation function unit creating a message for any member of a registered group, and a message delivery request function unit designating any location as a designated location and requesting a server to deliver the message to a member of the registered group entering the designated location.