![File:ESEM GDD.png](http://upload.wikimedia.org/wikipedia/commons/thumb/2/24/ESEM_GDD.png/627px-ESEM_GDD.png)
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current | 12:12, 12 September 2011 | ![]() | 2,412 × 2,307 (209 KB) | Materialscientist | {{Information |Description=Principle of gaseous detection device (GDD) used for detection and amplification of signals in ESEM. Secondary electrons (SE) from specimen are acted upon by electric field E between cathode and anode electrodes at distance d. E |
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