Patent ID: 7868526
Filing Date: 2011-01-11
Classification: H01J

Abstract:
1. A light source apparatus comprising: a gas discharge tube generating light with a predetermined wavelength and having stem pins that protrude from a bottom surface thereof; a lamp container housing said gas discharge tube; and a base having a surface on which said lamp container is fixed, wherein said lamp container comprises: a lamp fixing portion constituting a part of an outer shell of said lamp container; a light emitting portion allowing light from said gas discharge tube housed therein to pass through toward the exterior of said lamp container; a heat insulating member housed inside said lamp container, together with said gas discharge tube, said heat insulating member having a first surface being in direct contact with the bottom surface of said gas discharge tube, a second surface being in direct contact with an inner side surface of said lamp fixing portion, and through holes each communicating between the first and second surfaces and housing at least a part of said each stem pin, whereby said gas discharge tube is fixed to a predetermined position of the inner side surface of said lamp fixing portion via said heat insulating portion; and a first attachment/detachment structure enabling said lamp fixing portion, to which said gas discharge tube is fixed via said heat insulating portion, to be attached and detached, while said gas discharge tube being fixed thereto, with respect to a remaining portion that is fixed to said base and constitutes the outer shell of said lamp container together with said lamp fixing portion.