The miniaturization of the product has progressed, and the demand of the minimum shape which is not distinguishable by the naked eye and the processing of the micron precision increased. As for the die, diversification progresses, and it is made an individual problem uniformly. Because it is small and complex shape, it must be "easy to use mold" and "long life using". On the other hand, productivity improvement is also necessary, It has always been our main goal.