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class="ss"><div><span>导读： </span>激光打标是用激光束在各种不同的物质表面打上永久的标或者是通过光能烧掉部分物质，显出所需刻蚀的图案、文字。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>打标是用激光束在各种不同的物质表面打上永久的标记。打标的效应是通过表层物质的蒸发露出深层物质，或者是通过光能导致表层物质的化学<a href="http://theory.oecr.com" target="_blank" class="relatedlink">物理</a>变化而"刻"出痕迹，或者是通过光能烧掉部分物质，显出所需刻蚀的图案、文字。<br><br>目前，公认的原理是两种：<br><br>“热<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>”具有较高能量密度的激光束（它是集中的能量流），照射在被加工<a href="http://material.oecr.com" target="_blank" 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