| 摘要 |
<p>The present invention relates to an apparatus and method for forming patterns with different sizes or directions on a metal material. The apparatus for forming patterns with different sizes or directions on a metal material includes a vertically or horizontally movable current applying means (for example, an electrode pin) applying the position information or the different intensities of currents stored for each cell to the corresponding position of the metal to form oxide film patterns or/and patterns with different sizes or directions corresponding to the each of current intensities on the metal, thereby having excellent visibility through reflection or/and dispersion of light when the light enters.</p> |
