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<p class=MsoNormal style='line-height:14.0pt'><span lang=EN-US
style='font-size:9.0pt;font-family:Arial'><br>
42</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>、问：保证地板</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>ESD</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>安全的正确方法是什么？仅使用静电损耗蜡是否可行？</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>答：采用防静电损耗地板涂层（蜡通常是绝缘的）是使地板静电安全的良好开端。为了完善静电放电安全地板系统，必须要配备防静电鞋或脚部静电接地条，小车或转椅上的拖链，入口处的静电放电警示信号（让职员穿防静电放电鞋）至静电放电安全区域，可选的区分静电放电地板的地板胶带。你也需遵循生产商关于应用和维护的说明。防静电地板关心的是技术细节，这包括应用和维护可以在</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>PDF</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>格式中找到。我们建议到少</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>60</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>平方英尺的地板整理剂以正确耦合到地（其作用如同一只大电容），从而减小电荷不平衡到零，同时也需至少三层整理剂以获得正确的地板阻抗范围（</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>109/</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>平方）（也就是说，也板越厚，其导性性就越好）。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
<br>
43</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>、问：室内地毯上有几张工作台，我可以做一些</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>ESD</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>垫子和接地条吗？</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>答：假定地毯地绝缘的且不抗静电，那么就需在室内铺</span><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>ESD</span><span style='font-size:9.0pt;font-family:
宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>垫子和接地条以保护工作台，工作区外还应留至少</span><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>3</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>英尺左右。另外，在储存</span><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>ESD</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>敏感器件的地方，工作台顶也应采用</span><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>ESD</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>接地垫子进行保护。要确保</span><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>ESD</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>垫子具有损耗，这样才不会引起静电放电。这取决于垫子上人的走动频度，每个职员应在两只脚和一只手腕（或工作服）上使用接地条。最低保护（一旦地板及工作台垫子铺好后）是在工作台前部采用防静电腕和公共接地点。（为简易和便捷起</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>见）。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'> <br>
<br>
44</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>、问：为了在两个测试电极间测量或计算尖峰放电的能级，需要使用高速示波器。如果要存储</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>100</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>毫焦或更高的能量，需将电容值限制在多大的范围内？为了取得精确的读数，使用</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>500kHz</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>的频率够快吗？</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>答：两个与充电设备模型靠得很近的金属电极之间的响应，其泄电上升时间小于</span><span lang=EN-US
style='font-size:9.0pt;font-family:Arial'>200</span><span style='font-size:
9.0pt;font-family:宋体;mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;mso-bidi-font-family:Arial'>皮秒。此响应以电磁脉冲形式被高速示波器输入端的偶极子天线所接收，为了精确地观察它，需要至少两次信号响应或</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>10GHz</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>的示波器。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
<br>
45</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>、问：有许多静电放电产品（防静电腕监视器模型</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>A98200</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>）。该防静电腕监视器需校准吗？怎样才能校准它？有用来校准它的仪器吗？如有，大概需多少钱？能不能不校准呢？</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>答：在通常使用情况下应每年校准一次。</span><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'><br>
<br>
46</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>、问：在无电磁污染的房间（</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>100</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>级）里，通过铺地板垫子来进行静电放电保护。对此有何建议？</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>答：建议使用型号</span><span lang=EN-US style='font-size:9.0pt;font-family:
Arial'>L</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>的蓝色或白色垫子材料用来清洁房屋。型号</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>L</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>的蓝色材料具有电气损耗性，直英尺出售，宽度为</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>2</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>英尺。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
<br>
47</span><span style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>、问：印刷厂里的空气相对湿度控制在</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>50%</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>。操作工人每当一触碰设备和诸如门把手之类的任何金属物体，他们就会感到一阵麻木。单独使用地板垫子是否足以对静电进行保护？对防静电鞋或防静电腕，其使用方法是怎样的？</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
</span><span style='font-size:9.0pt;font-family:宋体;
mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial'>答：有两个相当可能的原因是操作工人受到了对金属导体的静电放电。一个是由行走引起的摩擦起电；另一个是由于干净房屋涂层产生的摩擦电。物体上不平衡电荷的积累，在接触和分离时便产生了摩擦电，进而引起明显的静电放电现象。为了减小第一个问题，具有专门抗静电性质的静电放电地板垫子。静电放电地板整理剂系统诸如无锌防静电地板整理剂。防静电地板整理剂系统具有优秀的防静电特性，不允许摩擦充电超过</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>100V</span><span
style='font-size:9.0pt;font-family:宋体;mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;mso-bidi-font-family:Arial'>。</span><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'><br>
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