The present disclosure relates generally to compositions and methods for treating cancer and neoplastic disease. On a recording plane Rec, provided is a region M1 in which an original image Pic is recorded, a region M2 in which an original image Pic is recorded, and a middle region Mm positioned therebetween. Next, the single crystal silicon thin film is patterned to form an island-like silicon layer, and then, a thermal oxidation treatment is carried out in an oxidizing atmosphere containing a halogen element, so that an island-like silicon layer in which the trap levels and the defects are removed is obtained. A bay is disposed adjacent the first end of the chassis along the x axis from the power supply.