| 摘要 |
<p>The purpose of the present invention is to reduce the time required for alignment. According to the present invention, an alignment mark (19) for alignment recognized by a photographing means (9) of an alignment device (1) is formed on a surface of a plate-type object (3). Direction indicating marks (21) indicate a direction from a formed place to the alignment mark (19). The direction indicating marks (21) are formed at intervals to enable the field of view of the photographing means (9) to include a plurality of direction indicating marks. The plurality of direction indicating marks (21) are formed to surround the alignment mark (19).</p> |
