| 摘要 |
<p>A method of making structured microdots (154) for printing plate registration includes forming a first plurality of square spots (156) less than or equal to 11 microns; wherein a first group (157) of the first plurality of square spots is formed in a first pattern (158); and wherein the first pattern is less than or equal to 66 microns and comprises a first microdot.</p> |
