File:ESEM GDD.png
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DescriptionESEM GDD.png | 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. Electrons drift towards the anode biased with voltage V, multiplying in an avalanche process by collisions with gas while they diffuse laterally by thermal collisions with gas molecules. |
Date | |
Source | [1] |
Author | Gerry Danilatos (user:Esem0 at en.wikipedia, original upload at http://en.wikipedia.org/wiki/File:ESEM_GDD.png) |
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I, the copyright holder of this work, hereby publish it under the following license: This file is licensed under the Creative Commons Attribution 3.0 Unported license.
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current | 12:12, 12 September 2011 | 2,412 × 2,307 (209 KB) | Materialscientist (talk | contribs) | {{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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