Patent ID: 7374608

Claim:
An ink for ink jet recording in an ink jet printer having a member made of any one of a borosilicate glass, a soda lime glass, a photosensitive glass, a single crystal silicon, polysilicon, a silicon oxide film, a titanium nitride film, a zirconium film, a titanium oxide film, and a silicon nitride film, wherein the ink comprises: (A) an acetylene compound of formula (II) wherein m and n represent an integer of from 0 to 20; (B) a cationic compound; (C) a cationic coloring material; (D) a coloring material that is an inclusion compound included by at least one of a resin or a colored resin fine particle, wherein the coloring material is at least one of a dye or a pigment, and (E) one or more alkali metals, wherein the total content of the one or more alkali metals ranges from 700 ppm to 12 ppm.