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SMB stands for âServer Message Block.â Itâs a file sharing protocol that was invented by IBM and has been around since the mid-eighties. It was designed to allow computers to read and write files to a remote host over a local area network (LAN).
FIB is a relatively new technique to prepare thin samples for TEM examination from larger specimens. Because FIB can be used to micro-machine samples very precisely, it is possible to mill very thin membranes from a specific area of interest in a sample, such as a semiconductor or metal. TEM is composed of several components, which include a vacuum system in which the electrons travel, an electron emission source for generation of the electron stream, a series of electromagnetic lenses, as well as electrostatic plates. The latter two allow the operator to guide and manipulate the beam as required.