RADIATION STRUCTURE OF HEATING PART AND ELECTRODELESS LAMP USING IT

摘要

PROBLEM TO BE SOLVED: To provide a radiation structure that radiates heat from a heating part effectively into the case and prevents mechanical stress applied to the heating part, and an electrodeless lamp using it. SOLUTION: Step-structured holes 9 and 10 are formed in a metal plate 3. Both ends of a spring 5 are inserted into the holes 9 and 10 and hooked to fasten the heating part 4. One side of a spring 7 is inserted into a groove 8 formed in a step 1a of the metal case 1 and the other side presses the metal plate 3 to the inner wall side of the metal case 1 via an insulator. The metal plate 3 and the metal case 1 are electrically insulated by an insulator 2 having heat conductivity. Heat from the heating part 4 is radiated to the case 1 via the metal plate 3 and the insulator 2.