Disclosed is a rotary container with separable nail files, which comprises an upper plate, a lower plate, a file plate rotatably interposed between the upper plate and the lower plate, and a rotary hub inserted through the upper plate, the file plate, and the lower plate. The projecting type hyper-lens includes a main lens layer and a substrate layer. Accordingly, since the broadcast printing does not use a group managing protocol, operations for group management and for setting data transmission routes are not required. An isotropic oxide etch is performed with the nitride spacers intact. In order to reduce the effects of the RF fields to other phone electronics there is a sheet of low reluctance material for reducing the RF fields.