The semiconductor memory device comprises two PMOS transistors that make the SRAM memory cell. An adhesive layer is formed between a capacitor electrode of a memory capacitor and a conductive plug. The sidewall comprises an inner layer, an outer shell and an insulating material disposed therebetween. The ink composition having the aforesaid constitution exhibits a high ejection stability and can provide an image having assured hue and an excellent weathering resistance and being free of defects in water resistance and image quality.