1461078672-f542ee3c-fde1-450e-b2ae-a73b6a4a5d84

A family of semiconductor devices is formed in a substrate that contains no epitaxial layer. A housing is configured such that functional elements to be mounted on the housing are mountable on the housing from the outside. In response to detecting intent of the user to close the email message, the user is automatically presented with a plurality of deletion options for deleting the email message. 2<\u0394T<{2}\u2003\u2003in case \u0394T<0,\u2212{2}<\u0394T<\u2212{2}\xd70.