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Photochemically Milled 3D Traveling Wave Tube Grids

Photo-Chemically Milled TWT Grids
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In the late 70’s, Elcon developed a unique and innovative chemical milling process of 3D surfaces for the manufacture of focus and control grids which are better suited to the design of traveling wave tubes than the conventional electrical discharge process.

Formed grids for traveling wave tubes require very precise and repeatable processors to meet the current industry requirements for accuracy and high-quality finished surfaces. Our processes provide the superior finish that is not available from electrical discharge machining.

The unique features of Elcon-produced grids include:

  • Straight side wall surfaces
  • Annular ring walls aligned to the radius of curvature
  • Smooth and burr-free surfaces
  • Center ring diameter and outside locating diameter accurately controlled for assembly alignment

Elcon currently ships grids worldwide. The continually tightening tolerances required on a shadow or control grid have mandated that Elcon constantly improve its proprietary etching process.

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Elcon Inc.