Self-luminous light source
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United States of America Patent
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-
Oct 8, 1985
Grant Date -
N/A
app pub date -
Jul 19, 1983
filing date -
Jul 19, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-luminous light source is disclosed having a light-permeable shell, a body disposed within the shell, defining a space between the shell and body, a member connecting the shell and body, radioactive gas disposed in the space, and a phosphor coating on at least one surface of the shell and body. The shell and body may be coaxial glass tubes defining an annular space of restricted width, connected to one another by annular end members.
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