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document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><br/></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">堇青石微晶玻璃（</span><span style="font-family:Calibri">CordieriteGlass-Ceramics</span><span style="font-family:宋体">）是以堇青石（化学式９�/span><span style="font-family:Calibri">(Mg,Fe)</span><span style="font-family:宋体">₁�/span><span style="font-family:Calibri">Al</span><span style="font-family:宋体">₃�/span><span style="font-family:Calibri">Si</span><span style="font-family:宋体">₄�/span><span style="font-family:Calibri">O</span><span style="font-family:宋体">₁₈）为主晶相的玻璃陶瓷材料，通过基础玻璃受控析晶形成微米级晶体，兼具玻璃与陶瓷的优点、�/span></span></p><p><span style=";font-family:宋体;font-size:14px">一、结构与特�?/span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1.</span><span style="font-family:宋体">主晶相与微观结构</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">主晶相为α</span><span style="font-family:Calibri">-</span><span style="font-family:宋体">堇青石（斜方晶系），具有低热膨胀系数＇�/span><span style="font-family:Calibri">2.91</span><span style="font-family:宋体">×</span><span style="font-family:Calibri">10</span><span style="font-family:宋体">⁻⁶</span><span style="font-family:Calibri">K</span><span style="font-family:宋体">⁻¹）和低介电常数＇�/span><span style="font-family:Calibri">5.05~5.72</span><span style="font-family:宋体">）、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">微观形貌以柱状或棒状晶体为主，长�?/span><span style="font-family:Calibri">5~15</span><span style="font-family:宋体">μ</span><span style="font-family:Calibri">m</span><span style="font-family:宋体">，长径比</span><span style="font-family:Calibri">5~10</span><span style="font-family:宋体">，晶体均匀分布可提升力学强度、�/span></span></p><p><br/></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">2.</span><span style="font-family:宋体">核心性能优势</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">低热膨胀系数：与硅芯片匹配（</span><span style="font-family:Calibri">2.91</span><span style="font-family:宋体">×</span><span style="font-family:Calibri">10</span><span style="font-family:宋体">⁻⁶</span><span style="font-family:Calibri">K</span><span style="font-family:宋体">⁻¹），适用于电子封装、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">优异介电性能：介电常数（ε</span><span style="font-family:Calibri">ᵢ�/span><span style="font-family:宋体">（�/span><span style="font-family:Calibri">5.05~5.72</span><span style="font-family:宋体">＇�/span><span style="font-family:Calibri">10~15GHz</span><span style="font-family:宋体">），介电损耗（</span><span style="font-family:Calibri">tan</span><span style="font-family:宋体">δ）低臲�/span><span style="font-family:Calibri">7.12</span><span style="font-family:宋体">×</span><span style="font-family:Calibri">10</span><span style="font-family:宋体">⁻⁴，品质因数（</span><span style="font-family:Calibri">Q</span><span style="font-family:宋体">×</span><span style="font-family:Calibri">f</span><span style="font-family:宋体">）高辽�/span><span style="font-family:Calibri">20,786GHz</span><span style="font-family:宋体">、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">高力学强度：抗折强度可达</span><span style="font-family:Calibri">116MPa</span><span style="font-family:宋体">，显微硬度随晶相含量升高而提升（晶相占比</span><span style="font-family:Calibri">65%~70%</span><span style="font-family:宋体">�?*）、�/span></span></p><p><span style=";font-family:宋体;font-size:14px">二、制备工艺与技术进屔�/span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1.</span><span style="font-family:宋体">原料与配方设讠�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">基础体系丹�/span><span style="font-family:Calibri">MgO-Al</span><span style="font-family:宋体">₁�/span><span style="font-family:Calibri">O</span><span style="font-family:宋体">₂�/span><span style="font-family:Calibri">-SiO</span><span style="font-family:宋体">₂（</span><span style="font-family:Calibri">MAS</span><span style="font-family:宋体">），常用晶核剂包�?/span><span style="font-family:Calibri">TiO</span><span style="font-family:宋体">₂（促进分相与成核）�?/span><span style="font-family:Calibri">CuO</span><span style="font-family:宋体">（降低析晶温度）、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">固废资源化：以煤矸石、铁尾矿、高碳铬铁渣等固废替代天然原料，降低成本且实现环保、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"> </span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">2.</span><span style="font-family:宋体">烧结与析晶控刵�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">热处理制度：典型流程为核化（</span><span style="font-family:Calibri">807</span><span style="font-family:宋体">ℂ�/span><span style="font-family:Calibri">/2h</span><span style="font-family:宋体">）→晶化＇�/span><span style="font-family:Calibri">960</span><span style="font-family:宋体">ℂ�/span><span style="font-family:Calibri">/3h</span><span style="font-family:宋体">），升温速率需≣�/span><span style="font-family:Calibri">10</span><span style="font-family:宋体">ℂ�/span><span style="font-family:Calibri">/min</span><span style="font-family:宋体">以保证体积析晶、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">添加剂调控：</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-CuO</span><span style="font-family:宋体">取代</span><span style="font-family:Calibri">MgO</span><span style="font-family:宋体">＇�/span><span style="font-family:Calibri">0.25%~0.50%</span><span style="font-family:宋体">摩尔分数）：降低玻璃化转变温度（</span><span style="font-family:Calibri">Tg</span><span style="font-family:宋体">），促进μ</span><span style="font-family:Calibri">-</span><span style="font-family:宋体">堇青石向α相转变，优化介电性能、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-TiO</span><span style="font-family:宋体">₂（</span><span style="font-family:Calibri">>3wt%</span><span style="font-family:宋体">）：诱导</span><span style="font-family:Calibri">Ti</span><span style="font-family:宋体">⁴⁺↑�/span><span style="font-family:Calibri">Ti</span><span style="font-family:宋体">³⁺转化，形成顺磁缺陷加速成核，降低析晶峰温度约</span><span style="font-family:Calibri">40</span><span style="font-family:宋体">℃、�/span></span></p><p><span style=";font-family:宋体;font-size:14px">三、性能优化机制</span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1.</span><span style="font-family:宋体">缺陷辅助析晶</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">晶化过程产生</span><span style="font-family:Calibri">Si</span><span style="font-family:宋体">空位（正电子缺陷）和</span><span style="font-family:Calibri">O</span><span style="font-family:宋体">空位（负电子缺陷），</span><span style="font-family:Calibri">Ti</span><span style="font-family:宋体">³⁺的</span><span style="font-family:Calibri">3d</span><span style="font-family:宋体">¹电子作为电荷补偿体，降低析晶活化能、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">2.</span><span style="font-family:宋体">晶相转变动力�?/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-Avrami</span><span style="font-family:宋体">指数＇�/span><span style="font-family:Calibri">n</span><span style="font-family:宋体">）≥</span><span style="font-family:Calibri">3</span><span style="font-family:宋体">时实现三维体积析晶，</span><span style="font-family:Calibri">CuO</span><span style="font-family:宋体">加入可提卆�/span><span style="font-family:Calibri">n</span><span style="font-family:宋体">值，加速ΰ�/span><span style="font-family:Calibri">-</span><span style="font-family:宋体">堇青石形成、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">3.</span><span style="font-family:宋体">界面应力调控</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">晶相与玻璃相弹性模量差异需</span><span style="font-family:Calibri"><15%</span><span style="font-family:宋体">，避免界面应力集中导致脆性断裂、�/span></span></p><p><span style=";font-family:宋体;font-size:14px">四、应用领埞�/span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">1.</span><span style="font-family:宋体">电子基板与封裄�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">低温共烧陶瓷＇�/span><span style="font-family:Calibri">LTCC</span><span style="font-family:宋体">）材料：低δ�/span><span style="font-family:Calibri">ᵢ�/span><span style="font-family:宋体">与低</span><span style="font-family:Calibri">tan</span><span style="font-family:宋体">δ保障高频信号传输效率、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">2.</span><span style="font-family:宋体">微波器件</span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">-</span><span style="font-family:宋体">天线基板与谐振器９�/span><span style="font-family:Calibri">14~15GHz</span><span style="font-family:宋体">频段上�/span><span style="font-family:Calibri">Q</span><span style="font-family:宋体">×</span><span style="font-family:Calibri">f</span><span style="font-family:宋体">倻�/span><span style="font-family:Calibri">>20,000GHz</span><span style="font-family:宋体">，适用亍�/span><span style="font-family:Calibri">5G</span><span style="font-family:宋体">通信、�/span></span></p><p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">3.</span><span style="font-family:宋体">耐热结构仵�/span></span></p><p><span 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