A series of ladder-type multifused arenes and the synthesizing methods thereof are provided. The receiver uses automatic gain control to facilitate performance of the apparatus over a wide-range of distances and water turbidities. Disclosed herein are colorant compositions having a triphenylmethane structure having improved stability to alkaline conditions. The plurality of bonding material applying lands includes outer peripheral land rows, each of which is arranged in a line along each side of the rear surface with the exception of corner portions of the rear surface. This eliminates the need to develop plural kinds of semiconductor memories, reducing a development cost.