锗衬�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(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><span><strong><strong>锗片</strong>�?strong>锗衬应�/strong></strong></span></p><p><span><strong><span><strong>1</strong><strong>、晶体习性与几何描述９�/strong></span></strong></span></p><p>该晶体使用直拉法在晶体（100）方向延伸。圆柱形表面（表面光洁度小于2.5 ��m RMS）。经红外成像法检测晶体结构稳定可靠。晶体几个结构由直径和长度决定。当一个晶体属于原生态晶体时，其当量直径为：</span></p><p><span></span></p><p><span> D ----外形尺寸当量直径</span></p><p><span> W----锗晶体重野�/span></p><p><span> L-----晶体长度</span></p><p><span> 测量值是四舍五入*小可达到毫米级别。为了便于订单出货，我们会依据晶体的体积、直径和长度进行分类。同时我们可以满足客户的特殊需求，提供定制服务、�/span></p><p><span><strong><span><strong> 2</strong><strong>、纯度：残留<strong>载荷</strong></strong></span></strong></span></p><p><span> **允许净载流子杂质浓度与探头二极管的几个构造有关，请参照如列公式。其纯度依据据霍尔效应测量和计算、�/span></p><p><span> 同轴探测器：同轴探测器适用于下列公式：</span></p><p></p><p><span>N</span><sub>max </sub><span>= 每立方厘�?*杂质含量</span></span></p><p>VD = 耗尽层电� = 5000 V</span></p><p>��o = 介电常数 = 8�?5 10-14 F/cm</span></p><p>��r = 相对介电常数(Ge) = 16</span></p><p><span> q = 电子电荷1�? 10-19C (elementary charge)</span></p><p><span> r1 = 探测器内孔半徃�/span></p><p>r2 = 探测器外孔半徃�/span></p><p><strong>锗片</strong><strong>�?strong>锗衬应�/strong></strong></p><p><span><strong> 3</strong><strong>、纯�?/strong><strong></strong><strong>９�/strong><strong></strong></span></p><p><span> 假如晶体表面半径减少2mm，由于锂的漫射和刻蚀，内�?毫米的内孔半径， 适用公式变为� </span></p><p><span></span></p><p><span> D = 晶体外表� </span></p><p><span> 平面探测器：平面探测器（厚度小于2厘米）适用于以下公式：</span></p><p></p><p><span> d=探测器外观尺寸厚�?/span></p><p><span> 径向分散载荷子（**值）</span></p><p><span> 迁移：霍尔迁秺�/span></p><p>性能� P 型晶� ��<sub>H</sub> � 10000 cm<sup>2</sup>/V.s </p><p><span> N 型晶� ��<sub>H</sub> � 10000 cm<sup>2</sup>/V.s</span></p><p>能级� P 型晶� 通过深能瞬态测量，Cu<sub>tot</sub> � 4.5*10<sup>9 </sup>cm<sup>-3</sup></span></p><p><span>N 型晶� 通过深能瞬态测量点缺陷 < < 5*10</span><sup><span>8</span></sup><span>cm</span><sup><span>-3</span></sup></span></p><p><span><sup></sup></span></p><p><span> 晶体主要指标� <span> P 型晶� N 型晶� </span></p><p><span>错位密度 � 10000 � 5000 </span></p><p><span><span>星型结构 � 3 � 3 </span></p><p><span><span>镶嵌结构 � 5 � 5 </span></p><p> 电阻� 0.02-0.04 ohm.cm</p><p><span><strong><span> 4、高纯度</span></strong><strong><span>高纯锖�/span></strong><strong><span>HPGe</span></strong><strong><span>晶体</span></strong></span></p><p><span><strong><span> 说明</span></strong><strong><span>９�/span></strong></span><span><strong></strong></span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>高纯锗晶佒�/span></p></td><td colspan="2"></td></tr><tr><td><p><span>产地</span></p></td><td colspan="2"><p><span>法国</span></p></td></tr><tr><td rowspan="5"><p><span>物理性质</span></p></td><td><p><span>颜色</span></p></td><td><p><span>银灰艱�/span></p></td></tr><tr><td><p><span>属�?/span></p></td><td><p><span>半导体材斘�/span></p></td></tr><tr><td><p><span>密度</span></p></td><td><p><span>5.32g/cm3</span></p></td></tr><tr><td><p><span>熔点</span></p></td><td><p><span>937.2<span>ℂ�/span></p></td></tr><tr><td><p><span>沸点</span></p></td><td><p><span>2830<span>ℂ�/span></p></td></tr><tr><td rowspan="3"><p><span>技术指栆�/span></p></td><td><p><span>材料均匀�?/span></p></td><td><p><span>特级</span></p></td></tr><tr><td><p><span>光洁�?/span></p></td><td><p><span>特优</span></p></td></tr><tr><td><p><span>纯度</span></p></td><td><p><span>99.999 999 99%-99.999 999 999 99%<span>�?0 </span>N-13N)</span></p></td></tr><tr><td><p><span>制备方式</span></p></td><td colspan="2"><p><span>锗单晶是�?/span><span>区熔锗锭</span><span>丹�/span>原料，用直拉法（CZ）法或者垂直梯度法（VGF法）等方法制备的锗单晶体、�/span></p></td></tr><tr><td><p><span>产品规格</span></p></td><td colspan="2"><p><span>P<span>�?/span>N型按客户要求定制</span></p></td></tr><tr><td><p><span>产品用逓�/span></p></td><td colspan="2"><p><span>超高纯度＋�span>红外器件�?#947;辐射探测�?/span></p></td></tr><tr><td><p><span>P型N型高纯锗</span></p></td><td colspan="2"><p><span>在高纯金属锗中掺入三价元素如</span><span>铞�/span><span>�?/span><span>镒�/span><span>�?/span><span>硻�/span><span>等，</span><span>得到p型锗：�/span></p><p><span>在高纯金属锗中掺入五价元素如锑、砷、磷等，得到n型锗、�/span></p></td></tr><tr><td></td><td colspan="2"><p><span><strong>提供各种规格锗单晶、锗片（<strong>锗衬应�/strong>），包含8英寸及以上的规格锗片</strong></span></p></td></tr></tbody></table> </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"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="273867" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">

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