Provided is a shower apparatus which can stably produce and supply bubbly water to nozzle holes, causing finely divided water droplets of relatively large, uniform size to land continuously on a user so as to allow the user to enjoy a shower with a voluminous feel as if the user were being showered by large drops of rain. The desired azimuth beamwidth is determined by the width of the parabolic cylinder reflector surface and the desired elevation beamwidth by the height of the parabolic cylinder reflector surface. The image sensor also comprises voltage-to-current converters for converting the voltage signals to currents for all pixel columns for each frame and followers to reduce the voltage swings on the outputs of the voltage-to-current converters. Multichannel tubes are also provided that include a bent section configured to locate a flow path near a leading edge of a tube within one section and near a trailing edge of the tube within another section. The method includes the steps of forming a first insulating layer and a second insulating layer on a substrate, forming a re-flowable material layer pattern to re-flow the re-flowable material layer pattern, removing the second insulating layer and the first insulating layer to expose the substrate, and forming a tunneling insulating layer.