PURPOSE: To improve the corrosion resistance of the cutlery and to lengthen its life, by irradiating the cutting part of the cutlery with the laser.

CONSTITUTION: By irradiating the cutting part of the cutlery, for example, the cutter for the mixer, with the laser, the surface of the cutter is made amorphous and its corrosion resistance is improved.

USE: When this irradiation is applied to the edge of shaver or razor, the sweat resistance and the feeling at the use are improved. When whis is applied to the drill or bit, the cutting property and life are improved. When this is applied to the kitchen knife, the aesthetic feeling and corrosion resistance are improved. When this is applied to the scissors for surgical operation, the contamination of blades can be prevented