Nuclear light source

Details Nuclear light source Nuclear light source

1976-03-26

1978-07-25

Borchelt, Archie R.

Radiant energy

Luminophor irradiation

Self-luminous article

250493, F21K 202

Patent

active

041031725

ABSTRACT:
The invention relates to light sources and, in particular, to light sources for use in navigational aids such as lighthouses and lighted buoys.
In more detail, the light source of the present invention comprises a radio isotope fuel source, thermal insulation against heat loss, a biological shield against the escape of ionizing radiation, a material having a surface which attains incandescence when subject to isotope decay heat and means for transferring energy from the insulated fuel source to produce incandescence of the surface and thereby emit light.

REFERENCES:
patent: 3451641 (1969-06-01), Leventhal
patent: 3578973 (1971-05-01), Dooley et al.
patent: 3621261 (1971-11-01), Princiotta et al.

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