Back to results
US 11,170,987 B1Granted
Short-arc discharge lamp
AssigneeUshio Denki Kabushiki Kaisha
InventorsAkihiro Kuno, Keiichi Maeda
Life of this patent
Estimating the term…
Abstract
The short-arc discharge lamp includes a pair of electrodes arranged facing each other inside a light-emitting tube, the pair of electrodes made of a material containing tungsten; a coating formed on the first outer surface of at least one of the pair of electrodes, the coating made of a material containing ceramics; and tungsten particles adhered to a part of the second outer surface of the coating.
Claims6
A short-arc discharge lamp having a light-emitting tube, the short-arc discharge lamp comprising:
- a pair of electrodes arranged facing each other inside the light-emitting tube, the electrodes having a first outer surface and made of a material containing tungsten;
- a coating formed on the first outer surface of at least one of the pair of electrodes and having a second outer surface of the coating, the coating made of a material containing ceramics;
- and
- tungsten particles adhered to a part of the second outer surface of the coating.
1 more element
Dependencies are inferred from the claim text.