Patent ID: 8349409
Filing Date: 2013-01-08
Classification: B41J,H01L,H05K

Abstract:
1. A method for forming a composite-metal oxide film on a base material by using a liquid-droplet jetting apparatus of an ink-jet type including: a carriage which is reciprocally movable in a reciprocal direction and which has a first nozzle and a second nozzle arranged in the reciprocal direction with a predetermined space therebetween; and a transporting unit which feeds the base material, the method comprising: a first liquid jetting step for jetting, from the first nozzle, a first liquid containing salts of metals forming a composite metal oxide to land the first liquid on the base material while moving the carriage in the reciprocal direction; a second liquid jetting step for jetting, from the second nozzle, a second liquid containing a precipitant, which reacts with at least one of the metals forming the composite metal oxide to form a coprecipitate, to land the second liquid on the base material at a same position as a landing position at which the first liquid has been landed in the first liquid jetting step while moving the carriage in the reciprocal direction, and for mixing the first and second liquids on the base material; a feeding step for feeding the base material in a direction perpendicular to the reciprocal direction after the first liquid jetting step and the second liquid jetting step; a drying step for evaporating water contained in a mixed liquid of the first and second liquids on the base material; and a calcinating step for calcinating a coprecipitate, generated by the mixing of the first and second liquids, to form the composite-metal oxide film on the base material after the drying step.