A Sn\u2014Ag bonding and a method thereof are revealed. A switch state change can be delayed until an indication of a requested switch state different than a current switch state is received and the first signal reaches a threshold. Subsequent processing includes depositing a spacer layer, etching to form sidewall spacers, ion implanting to form deep moderate or heavy sourcedrain implants and activation annealing. The cut and bent up portion is formed to prevent the memory card from being inserted between the shielding plate and the connector. Thus, after first sending a first credential for accessing the resource in a particular realm, the wireless user agent does not need to attach the credential for all the subsequent requests for any other resources belong to the same realm. Said passage opening extends into the interior space of the rod so as to deliver the pressurized gas.