Ultraviolet-suppressed light source, coating agent used in the same, and method for manufacturing the same
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United States of America Patent
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Sep 24, 1991
Grant Date -
N/A
app pub date -
Feb 14, 1990
filing date -
Feb 17, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A film consisting of a fine powder of zinc oxide and titanium oxide and an inorganic binder is formed on the outer surface of a light source. The fine powder serves as an absorbent for ultraviolet radiation emitted from the light source. The film is formed on the outer surface by spraying a coating agent prepared by dispersing the above components in an organic solvent on the outer surface of the light source and heating and drying the coating agent.
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