A gas turbine topping device, which is disposed upstream of a steam-raising section, is used for generating power in the manufacture of sulphuric acid. Also provided are a method for manufacturing the head and a magnetic recording apparatus utilizing the head. The value of the time parameter is set currently depending on the current speed of the mobile station through the cell network of the mobile telephone system. The electrosurgical generator includes a controller including a microprocessor coupled to the electrosurgical generator and configured to control the output of the electrosurgical generator. Accordingly, even when a character is too dark to recognize due to shadows in the daytime or a character is too bright to recognize due to irradiation in the nighttime, the character can be recognized by using images having differing brightness. In one embodiment, a PSM comprises a transparent substrate; a phase shift pattern disposed on the transparent substrate; and a passivation layer disposed to substantially cover exposed surfaces of at least a portion of the phase shift pattern.