A semiconductor device has a via-contact, a main wire having an end connected to the via-contact, and an extension extended in line with the main wire from the end of the main wire beyond the via-contact, the width of the extension being equal to or narrower than the width of the main wire. Such an antioxidant gives the belt of the invention a better long-term resistance to fatigue and to crack propagation. The proxy forwards the subscription to the plurality of auxiliary event-package servers. A tunnel is created through the submucosa and exits at the muscularis propria, adventitia, or serosal side of the stomach.