| 摘要 |
<p>Process for assembling a cathode for electron gun comprising a body (1) of emissive material, a cup (13) into which the body of emissive material is inserted, a substantially cylindrical metal skirt (2), the said process comprising the following successive steps: insertion of the cup into one of the open ends of the metal skirt; welding of the cup to the skirt; crimping of the body/cup/skirt assembly by lateral squeezing at the level of the weld zone in such a way as to cause an indent-like deformation (24) of the lateral face of the body.</p> |
