Patent · US Expired

Rotary anode for X-ray tubes and method of manufacture

US4901338A · kind A · utility

7Cited by
2References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 1989
Grant dateFeb 13, 1990
Priority date
Expiry dateJun 12, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/26
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Rotary graphite anode for use in X-ray tubes comprising a basic body consisting of graphite and a high melting alloy and having a tungsten alloy focal track. The basic body is secured to a graphite substrate. The graphite substrate is coated by a layer of carbon formed by decomposition of hydrocarbon gases in an activated d.c. voltage discharge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.