Medium-barrier-layer discharge lamp device

Application Number: 00104921
Application Date: 2000.03.30
Publication Number: 1269597
Publication Date: 2000.10.11
Priority Information: 1999/3/30 JP 88283/99
International: H01J65/04
Applicant(s) Name: Ushio Denki K. K.
Inventor(s) Name: Hishiaki Kayakore;Sugikao Shinji;Tomida Go
Patent Agency Code: 72001
Patent Agent: jiang fuhou
Abstract A dielectric-barrier discharge lamp device that can reliably prevent leakage of the coolant fluid used to cool the dielectric-barrier discharge lamp, and that can reliably cool the dielectric-barrier discharge lamp, is achieved by the dielectric-barrier discharge lamp device having a dielectric-barrier discharge lamp (1) with a hollow-cylinder-shaped discharge space (P) formed by an outer tube (3) that is roughly cylindrical in external shape and a co-axial inner tube (2), in which the inner tube (2) has a cylindrical tube extension (2A) that extends outward from the discharge space (4), and in which the outer periphery of the end (2A1) of the tube extension (2A) is held tightly by a coupler fitting (8) connected to a guide tube (11) through which a coolant fluid flows.