Patents Examined by Rulolph V. Rolinec
  • High-voltage vacuum tube, particularly an x-ray tube
    Patent number: 4053802
    Abstract: A high-voltage, high vacuum electron discharge tube particularly an X-ray tube, having a metal envelope and an anode insulatingly mounted within the envelope. To avoid the deleterious effects of charge formed on the insulator surface, the insulator is formed with a recess of larger size than the anode diameter and the anode is secured to the insulator by mounting it at the region of the bottom of the recess.
    Type: Grant
    Filed: February 9, 1975
    Date of Patent: October 11, 1977
    Assignee: U.S. Philips Corporation
    Inventor: Walter Hartl