Mercury dispensing composition containing Cu-Si alloy promoter

Details Mercury dispensing composition containing Cu-Si alloy promoter Mercury dispensing composition containing Cu-Si alloy promoter

1995-06-07

1998-11-03

Oen, William L.

Electric lamp and discharge devices

Having heating means to control gas/vapor, gas or vapor...

Vapor generating

2521813, H01J 1726, H01J 6128, H01J 718, H01K 156

Patent

active

058313850

ABSTRACT:
A mercury dispensing device is disclosed that includes a mercury dispenser having the formula Ti.sub.x Zr.sub.y Hg.sub.z in which x and y are between 0 and 13, inclusive, the quantity x+y is between 3 and 13, inclusive, and z is 1 or 2; and a promoter that comprises copper, silicon and possibly a third metal selected among the transition elements. A getter material selected among titanium, zirconium, tantalum, niobium, vanadium and mixtures thereof, and alloys of these metals with nickel, iron or aluminum can be included in the device. The mercury dispenser, promoter and optional getter material are provided preferably in the form of powders compressed as a pellet, or contained in a ring-shaped metallic support or rolled on the surfaces of a metallic strip. Also disclosed is a process for introducing mercury into electron tubes by making use of the above-mentioned mercury-dispensing devices.

REFERENCES:
patent: 3657589 (1972-04-01), Della Porta et al.
patent: 3722976 (1973-03-01), Porta et al.
patent: 4464133 (1984-08-01), Buhrer
patent: 4902579 (1990-02-01), Grasselli et al.
patent: 5520560 (1996-05-01), Shiabel et al.

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