A sheetrock repair system including a plate having two adhesive surfaces disposed laterally out from a central opening. Each of the chambers is capable of storing a first reactant. The capacitance value of the first capacitor is such that the time constant of the first capacitor and the termination resistor is about one-third of one bit time of the serial digital data signal and the capacitance value of the second capacitor is substantially greater than the capacitance value of the first capacitor. The gate insulating film includes a second region. In an alternative embodiment, a thermal treatment under an N2 gas supply is performed after the step of forming the conductive layer. In one example, the method enables an endpoint to traverse a NAT device using a stateless reflector.