SEM of the surface of an EPROM microchip
Bildnummer 11894550
| False colour scanning electron micrograph (SEM) of a TM 2716 integrated circuit,showing details of the surface architecture. This chip is of the EPROM type - Electrically Programmable Read Only Memory. EPROM chips are programmed by applying a voltage across selected connecting pins. Some such devices may then be subsequently reprogrammed - other types may not. The chip appears without the quartz window that normally covers it; the window is masked with tape once the unit has been programmed. Removal of the tape and exposure of the underlying circuitry to ultraviolet light would erase the programme. Magnification: X 86 at 35mm size. ORIGINAL IS BW PRINT T370/452. The TM 2716 EPROM chip is of the NMOS type (n-type | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Burgess, Dr. Jeremy |
| Bildgröße: | 5102 px × 3496 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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