A method for a user’s mobile client computer to update its configuration specification involves receiving an e-mail from an administrator containing location settings encoded in an attachment, openings the attachment to the e-mail, and writing location values corresponding to the location settings encoded in the attachment into the configuration specification of the computer. A mobile entity can be associated with the location tag. The silver plating contributes to an excellent light reflectance and wire bonding efficiency of the inner part, whereas the gold flash plating contributes to an excellent resistance to corrosion and soldering efficiency of an outer part that is outside the package. Metrology data relating to the process run of semiconductor dev determination is made whether production results are within a predetermined tolerance level, based upon the metrology data.