Metal halide discharge lamp having heat reflective coating

Details Metal halide discharge lamp having heat reflective coating Metal halide discharge lamp having heat reflective coating

1974-11-22

1976-05-25

Smith, Ronald H.

Coating processes

Electrical product produced

Hollow article

427287, 427376, B05D 512

Patent

active

039595242

ABSTRACT:
In a metal arc discharge lamp having a high silica glass arc tube, the arc tube ends are coated with a heat reflective coating from a suspension contaning zirconium dioxide and zirconium diboride, the ratio of the two being between about 30 to 1 and 250 to 1.

REFERENCES:
patent: 1698302 (1929-01-01), Goss
patent: 2128270 (1938-08-01), Spanner et al.
patent: 3662203 (1972-05-01), Kuhl et al.

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