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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>氮化铝是由铝原子为中心和临近�?个氮原子组成的结构稳定的六方纤锌矿共价化合物，其晶体结构类似于金刚石，禁带宽度为6.2eV，外观为白色或灰白色粉末。本征热导率极高，超过金属铝，接近铜�?*�?20W/mK，是目前热导�?*综合性能*为优异的功能陶瓷材料之一。氮化铝凭借其高热导率、与硅匹配的热膨胀系数、高电阻率、高击穿弹�/p><p>度和高机械性能，成为半导体及相关领域的关键材料，具有广阔的应用前景、�/p><p>优异性能９�/p><p>1、超高热导率：热导率是氧化铝陶瓷�?-10倍，与氧化铍（BeO）相当，可达200W/mK以上，适合高效散热、�/p><p>2、与硅匹配的热膨胀系数：热膨胀系数�?.3×10/K，与半导体硅材料�?.5-4.0×10/K）高度匹配，减少热应力，提升器件可靠性、�/p><p>3、优异的机械性能：抗弯强度高于氧化铍陶瓷，接近氧化铝，适合高机械强度要求的应用、�/p><p>4、优良的电性能：具有极高的绝缘电阻和低介质损耗，适合高频、高功率电子器件、�/p><p>5、良好的电路材料相容性：支持多层布线，实现封装的高密度和小型化，适合现代电子封装需求、�/p><p>6、无毒环保：符合欧盟ROHS标准，可替代有毒材料，如氧化铍、�/p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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