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US 6,787,787 B1Granted
Ultraviolet radiation producing apparatus
AssigneeUshiodenki Kabushiki Kaisha
InventorsNobuyuki Hishinuma, Hiroshi Sugawara, Fumitosho Takemoto, Hiroaki Tokai, Jun Murase
Life of this patent
Estimating the term…
Abstract
An ultraviolet illumination equipment including a receptacle with a window, a dielectric-barrier discharge lamp located within the receptacle for emitting ultraviolet radiation through the window, and a heater for heating the window to at least 100° C.
Claims4
An ultraviolet illumination equipment comprising:
- a receptacle with a window:
- a dielectric-barrier discharge lamp located within said receptacle for emitting ultraviolet radiation through said window of said receptacle;
- and
- a heating means for preventing formation and accumulation of debris on said window;
- wherein said heating means is provided within said receptacle;
- and wherein said heating means is a thick-film heater positioned on a surface of said window.
3 more elements
An ultraviolet illumination equipment comprising:
- a receptacle with a window;
- a dielectric-barrier discharge lamp located within said receptacle for emitting ultraviolet radiation through said window of said receptacle;
- and
- a heating means for preventing formation and accumulation of debris on said window;
- wherein said heating means is provided within said receptacle;
- and wherein said heating means is a linear heater positioned on a surface of said window.
3 more elements
An ultraviolet illumination equipment comprising:
- a receptacle with a window;
- a dielectric-barrier discharge lamp located within said receptacle for emitting ultraviolet radiation through said window of said receptacle;
- and
- a heater to heat said window 3 to at least 100° C.;
- wherein said heater is a thick-film heater positioned on a surface of said window.
2 more elements
An ultraviolet illumination equipment comprising:
- a receptacle with a window;
- a dielectric-barrier discharge lamp located within said receptacle for emitting ultraviolet radiation through said window of said receptacle;
- and
- a heater to heat said window to at least 100° C.;
- wherein said heater is a linear heater positioned on a surface of said window.
2 more elements
Dependencies are inferred from the claim text.