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cesium hollow cathode |
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cesium hollow cathode [′sē·zē·əm ¦häl·ō ′ka‚thōd] (electronics) A cathode in which cesium is heated at the bottom of a cylinder serving as the cathode of an electron tube, to give current densities that can be as high as 800 amperes per square centimeter. 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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