Patent ID: 8278812
Filing Date: 2012-10-02
Classification: H01J

Abstract:
1. A method for manufacturing a grid component for a vacuum electron device (VED), the method comprising: forming a cup blank by a deposition process on a deposition surface that includes a skirt template, the cup blank being generally cylindrical in shape and having a dome portion bulging in a first direction and a side portion that includes a skirt portion and an annular flange formed by the skirt template, the skirt portion extending in an opposite direction to the first direction, the annular flange concentrically formed around the dome portion such that the annular flange is between the dome portion and the portion of the skirt portion, the skirt portion formed to surround the annular flange; separating the cup blank from the deposition surface; removing a portion of the side portion of the cup blank but retaining at least a portion of the skirt portion; removing portions of the dome portion to form a grid pattern; and removing portions of the annular flange to form one or more alignment orifices.