A fitting for corner cabinets with rectangular interior accessible from the front side via a corner cabinet door is provided with a support supported in the interior of the corner cabinet and supporting at least one guide member which supports and moves the shelf on a predetermined movement path from the interior of the corner cabinet to an outer position in front of a door opening. The field of the semiconductor wafer may be located at an edge of the wafer, such as the lower-left or upper-right edge of the wafer, and is exposed using a full-image mask, such as a positive photoresist mask, and that can be inclusive of the alignment mark. Optionally, a capacitor is charged by the power source via a charging circuit and discharged via a firing circuit to produce the electric current in the transmitting coil in a pulse.