×

X-ray tube

  • US 6,735,282 B2
  • Filed: 01/06/2003
  • Issued: 05/11/2004
  • Est. Priority Date: 07/09/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. An X-ray tube comprising:

  • a stem pin;

    a housing;

    a grid electrode structure for performing a grid electrode function, wherein at least a part of said grid electrode structure is fixed to said stem pin;

    an electron gun provided proximal to said grid electrode structure in said housing;

    a focusing electrode integrally formed with said housing;

    a cylindrical member having a first distal end abutting against said focusing electrode and a second distal end abutting against said grid electrode structure, said cylindrical member having a hollow portion and being configured to allow electrons directed from said grid electrode structure toward said focusing electrode to pass through the hollow portion of said cylindrical member;

    a stem coupled to said electron gun through at least one said stem pin, said housing being sealed by said stem; and

    an anode target to generate X-rays.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×