An apparatus and method for driving a lamp are provided. The invention also relates to the construction of a chimeric gene encoding all or a portion of the biotin synthases, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the biotin synthases in a transformed host cell. Before forming a plating film by a step of electroless plating S6, a surface treatment process is conducted on a surface of the base plate composed of a glass material.