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	<title>格莱希材料科技｜金刚石铜，金刚石铝，散热材料，热沉材料</title>
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	<description>金刚石铜散热材料 金刚石铝散热材料</description>
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	<title>格莱希材料科技｜金刚石铜，金刚石铝，散热材料，热沉材料</title>
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		<title>高功率LD用金刚石铜散热基板</title>
		<link>https://www.glaxmat.com/%e9%ab%98%e5%8a%9f%e7%8e%87ld%e7%94%a8%e9%87%91%e5%88%9a%e7%9f%b3%e9%93%9c%e6%95%a3%e7%83%ad%e5%9f%ba%e6%9d%bf/</link>
					<comments>https://www.glaxmat.com/%e9%ab%98%e5%8a%9f%e7%8e%87ld%e7%94%a8%e9%87%91%e5%88%9a%e7%9f%b3%e9%93%9c%e6%95%a3%e7%83%ad%e5%9f%ba%e6%9d%bf/#respond</comments>
		
		<dc:creator><![CDATA[admin]]></dc:creator>
		<pubDate>Sat, 20 Dec 2025 02:01:31 +0000</pubDate>
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		<guid isPermaLink="false">https://www.glaxmat.com/?p=1682</guid>

					<description><![CDATA[<p>一，概要 半导体激光器与现有的激光光源相比，具有小型、高效率、长寿命等优异性能，在健康护理、传感、钣金加工等多 [&#8230;]</p>
<p><a href="https://www.glaxmat.com/%e9%ab%98%e5%8a%9f%e7%8e%87ld%e7%94%a8%e9%87%91%e5%88%9a%e7%9f%b3%e9%93%9c%e6%95%a3%e7%83%ad%e5%9f%ba%e6%9d%bf/">高功率LD用金刚石铜散热基板</a>最先出现在<a href="https://www.glaxmat.com">格莱希材料科技｜金刚石铜，金刚石铝，散热材料，热沉材料</a>。</p>
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									<p>一，概要</p><p>半导体激光器与现有的激光光源相比，具有小型、高效率、长寿命等优异性能，在健康护理、传感、钣金加工等多个领域进行了实装。另外，从碳中和的观点来看关注度也很高，最近也在研究激光核聚变。在上述背景下，今后半导体激光器市场也有望增长，要求进一步的高输出化、光束质量提高等。为了提高性能，激光二极管（LD）自身的技术，以及为了有效地释放LD在振荡时产生的热，以及不产生因热引起的变形的散热基板也非常重要。在此介绍具有高散热且低热膨胀等优点，适合于高输出半导体激光器的散热基板的铜和金刚石的复合材料（Cu-Dia）。</p><p>二，特长</p><p>2-1，独特的高热传导材料</p><p>半导体激光器用途散热基板是LD在芯片的正下方使用焊料直接接合并搭载（图1）。在该散热基板上，虽然采用了高热传导材料的铜和钨的复合材料（Cu-W）或氮化铝（AlN），但是随着高输出化LD芯片发热量增加，需要散热性更高的材料，实践中，热传导率为Cu-W与AlN两倍以上的具有550W/(m.K)的Cu-Dia散热基板被产品化。图2示出了Cu-Dia热性能仿真结果。与传统Cu-W相比，热阻减少24%，LD的热应力降低42%，显示了Cu-Dia的有利性。</p>								</div>
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															<img fetchpriority="high" decoding="async" width="449" height="185" src="https://www.glaxmat.com/wp-content/uploads/2025/12/LD金刚石铜散热器.jpg" class="attachment-full size-full wp-image-1684" alt="" srcset="https://www.glaxmat.com/wp-content/uploads/2025/12/LD金刚石铜散热器.jpg 449w, https://www.glaxmat.com/wp-content/uploads/2025/12/LD金刚石铜散热器-300x124.jpg 300w" sizes="(max-width: 449px) 100vw, 449px" />															</div>
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									<p>图1，LD散热基板的使用</p>								</div>
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                <table class="ea-advanced-data-table ea-advanced-data-table-static ea-advanced-data-table-ee00dfb" data-id="ee00dfb"><thead><tr><th><p><br></p></th><th><p>Cu-W</p></th><th><p>Cu-Dia</p></th></tr></thead><tbody><tr><td><p>平均热膨胀系数（ppm/K）</p></td><td><p>6.5</p></td><td><p>6.0</p></td></tr><tr><td><p>热导率（W/m.K）</p></td><td><p>205</p></td><td><p>550</p></td></tr><tr><td><p>热阻（KW）（dT）</p></td><td><p>1.30（dT=38.9K）</p></td><td><p>0.99（dT=29.6K）</p></td></tr><tr><td><p>LD所受热应力（MPa）</p></td><td><p>8.2</p></td><td><p>4.74</p></td></tr></tbody></table>
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									<p>图2，热性能对比</p>								</div>
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									<p>2-2, 锐边加工</p><p>LD芯片配置在正下方的散热基板上，为了不妨碍激光出射且不产生热堵塞，需要锐边。含有柔软的铜和硬质的钻石Cu-Dia材料加工困难，采用独特的加工方法可以实现5µm以下的锐边（图3）</p>								</div>
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															<img decoding="async" width="451" height="182" src="https://www.glaxmat.com/wp-content/uploads/2025/12/LD散热基板-锐边.jpg" class="attachment-full size-full wp-image-1685" alt="" srcset="https://www.glaxmat.com/wp-content/uploads/2025/12/LD散热基板-锐边.jpg 451w, https://www.glaxmat.com/wp-content/uploads/2025/12/LD散热基板-锐边-300x121.jpg 300w" sizes="(max-width: 451px) 100vw, 451px" />															</div>
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									<p>图3，Cu-Dia的边缘加工</p>								</div>
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									<p>2-3，金属化后品质稳定</p><p>LD为了使与芯片接合性良好，一般在散热基板表面进行金锡、金、铂、镍等金属薄膜成形（以下称为金属化），因此金属化后的热特性也变得重要，通过控制Cu-Dia中的微量元素，如图4所示，与以往产品相比，金属化后的热导率更稳定。</p>								</div>
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															<img decoding="async" width="427" height="265" src="https://www.glaxmat.com/wp-content/uploads/2025/12/热导率.jpg" class="attachment-full size-full wp-image-1686" alt="" srcset="https://www.glaxmat.com/wp-content/uploads/2025/12/热导率.jpg 427w, https://www.glaxmat.com/wp-content/uploads/2025/12/热导率-300x186.jpg 300w" sizes="(max-width: 427px) 100vw, 427px" />															</div>
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									<p>图4，金属化后热导率测量结果</p>								</div>
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									<p>三，结论</p>
<p>对于半导体激光器高输出且稳定的激光振荡器，Cu-Dia这样的高热导率散热基板变得重要。我公司可以根据市场需求，从原料控制到精密加工、金属化，我公司的Cu-Dia今后也有望为开发高性能光束质量的激光振荡器做出贡献。</p>								</div>
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		<p><a href="https://www.glaxmat.com/%e9%ab%98%e5%8a%9f%e7%8e%87ld%e7%94%a8%e9%87%91%e5%88%9a%e7%9f%b3%e9%93%9c%e6%95%a3%e7%83%ad%e5%9f%ba%e6%9d%bf/">高功率LD用金刚石铜散热基板</a>最先出现在<a href="https://www.glaxmat.com">格莱希材料科技｜金刚石铜，金刚石铝，散热材料，热沉材料</a>。</p>
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