Metal halide lamp and manufacturing method thereof

A metal halide lamp, comprising an electric arc tube, a lamp holder, an inner glass bulb and an outer glass bulb, wherein the electric arc tube is mounted inside the inner glass bulb, the lamp holder is fixedly connected with the inner glass bulb, and the inner glass bulb is mounted inside the outer glass bulb;

• the electric arc tube comprises a tube body, a positive electrode, and a negative electrode, wherein the positive electrode is located inside an electric arc cavity of the tube body, and the positive electrode is connected with a positive feedthrough, and the positive feedthrough is inserted in a first leg portion of the tube body, and the electric arc cavity of the tube body is provided therein with an activating gas;
• an negative electrode is located inside the electric arc cavity of the tube body, the negative electrode is connected with the negative feedthrough, and the negative feedthrough is inserted in a second leg portion of the tube body;
• the positive feedthrough is connected with a positive contact pin of the lamp holder by a short molybdenum rod, and the negative feedthrough is connected with a negative contact pin of the lamp holder by a long molybdenum rod, wherein the short molybdenum rod has one end connected with the positive feedthrough, and an other end electrically connected with the positive contact pin through a first conductive foil, and the long molybdenum rod has one end connected with the negative feedthrough, and an other end electrically connected with the negative contact pin through a second conductive foil;
• and
• an outer surface of the first leg portion is provided with a conductive layer and a metal electrical connector, wherein one end of the conductive layer is close to an electrode tip of the positive electrode, an other end of the conductive layer is away from the electrode tip of the positive electrode, one end of the metal electrical connector is connected with the other end of the conductive layer, and an other end of the metal electrical connector is connected with the long molybdenum rod,
• wherein the metal electrical connector is in a sheet-like structure, and the sheet-like structure comprises an arc-shaped portion, a connecting portion, and a fixing portion, wherein the connecting portion is connected with one end of the arc-shaped portion, the fixing portion is connected with the other end of the arc-shaped portion;
• the arc-shaped portion is attached to the first leg portion;
• the connecting portion is connected with the arc-shaped portion, and the connecting portion is further connected with the long molybdenum rod;
• and the fixing portion is connected with the connecting portion.