Patent ID: 8507076

Claim:
A combination of a base layer formed on a surface of an object to be printed and an ink used for printing on the base layer, wherein the base layer and the ink satisfy one of the following two conditions: (A) the ink includes an organic compound, the base layer includes at least 0.01 weight % of a component, which reacts with the organic compound included in the ink to cause gelation after the ink is printed on the base layer, and the base layer comprises organic material that is burnt off by baking at a temperature not lower than 300° C. (B) the base layer includes an organic compound, the ink includes at least 0.01 weight % of a component, which reacts with the organic compound included in the base layer to cause gelation after the ink is printed on the base layer, and the ink comprises organic material that is burnt off by baking at a temperature not lower than 300° C.