A method and apparatus of performing discontinuous reception and downlink inter-frequency and inter-radio access technology measurements in CELL_FACH state are disclosed. A silicon substrate having thereon a poly gate structure is prepared. Inner and outer gas flow passages are provided between the shells, and a coolant flow passage is provided, either on the outer surface of the outer shell, or between the intermediate and outer shells. The image data processing unit includes a data storage unit for storing received image data and the like, a CPU for editing image data based on an input of output format information, and a printer for outputting the edited image data. Such a lubricating sliding layer may also be provided by means of a forced water current established between the threshold and the waste and its underlying water layer.