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Davisson-Calbick formula |
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Davisson-Calbick formula [¦da·və·sən ′kal·bik ‚fȯr·myə·lə] (electronics) A formula which states that the focal length of a simple electrostatic lens consisting of a circular hole in a conducting plate is equal to four times the potential of the plate divided by the difference in the potential gradients on either side of the plate. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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