Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix
| Figure 4227 shows an example of SEM systems. In all EMs (electron microscopes), the electron beam is converged narrowly by a condenser coil as the converging lens is controlled by a converging-lens control system.
Figure 4227. Example of computer-controlled EMs: SEM system.
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