Tunable hard x-ray nanofocusing with Fresnel zone plates fabricated using deep etching
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Chemical milling process, which combines an aqua regia etchant with a sulfonate wetting agent, produces finishes on PH 14-8 molybdenum alloy steel to precise tolerances. This process permits precision removal of excess metal from the steel in annealed and/or aged conditions.
Variable spacing planar thermionic converter with tungsten emitter, niobium collector and niobium guard ring
Numerical analysis of relationship between current, voltage, emitter temperature, and collector temperature of cesiated thermionic converter