Patent · US Expired

X-ray image intensifier

US5359188A · kind A · utility

2Cited by
4References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 31, 1993
Grant dateOct 25, 1994
Priority date
Expiry dateMar 31, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J31/501
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An X-ray image intensifier includes an envelope having an input window consisting of an aluminum alloy, and an input phosphor screen arranged in the envelope to oppose the input window, and including a substrate, an input phosphor layer formed on the substrate, and a photocathode formed on the input phosphor layer, wherein the aluminum alloy contains 3 to 6 wt % of Mg and 0.01 to 0.5 wt % of Zr. This aluminum alloy may further contain at least one metal element selected from the group consisting of 0.1 to 1 wt % of Mn, 0.01 to 0.5 wt % of Cr, 0.01 to 0.5 wt % of Sc, and 0.01 to 0.05 wt % of Ti.

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