Strengthening agent, strengthened metal halide particles, and im

Stock material or miscellaneous articles – Hollow or container type article – Glass – ceramic – or sintered – fused – fired – or calcined metal...

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Details

75255, 313564, 2521811, 2521812, 2521816, 2521817, H01J 1726

Patent

active

059724420

ABSTRACT:
Particle compositions are described comprising certain metal halides in combination with a strengthening agent. The addition of the strengthening agent to a metal halide particle increases the particle's strength thereby reducing breakage on impact and during handling. When used as a vaporizable metal halide fill in discharge lamps, the particle strength is increased without significantly altering the spectral and electrical characteristics of the lamp. Methods of making the particles and arc tube containing the particles are also disclosed.

REFERENCES:
patent: 3645446 (1972-02-01), Patten
patent: 3676534 (1972-07-01), Anderson
patent: 3948793 (1976-04-01), Anderson
patent: 4171498 (1979-10-01), Fromm et al.
patent: 4929869 (1990-05-01), Yonezawa et al.
patent: 5438244 (1995-08-01), Chang

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