ESD静电知识

总学时：
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p　style="margin-left:14px">strong>span　style="font-family:　宋体">◆静电在电子制作业中形成重大的破损曾经是个家喻户晓的事实，许多工场的防静电步伐都限于防静电腕带、接地导电桌垫、防静电工衣、防静电包装资料和离子风机等的洽购运用，而短缺一套迷信性的治理来支撑。
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p　style="margin-left:14px">strong>span　style="font-family:　宋体">◆在资料的运用上，品种以及供给商单一的征象、价钱的伟大差别经常形成抉择困扰。该课程指示您正确的抉择治理办法及资料，为您节俭本钱。
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strong>span　style="text-decoration:underline">span　style="font-size:16pxfont-family:黑体background:#D9D9D9">课程收益
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p　style="line-height:20px">strong>span　style="font-family:　宋体">◆
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strong>strong>span　style="font-family:　宋体">课程内容具体完备，是静电防护的根基课程。
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strong>strong>span　style="font-family:　宋体">课程内容包含了静电的熟悉、静电敏感元件熟悉、静电毁伤模子阐发、静电防护资料的先容及静电体系的树立与施行坚持改良办法，从硬迷信到软迷信、从设计到操作、从手艺到治理的提供应您前所未有的进修机遇。
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strong>span　style="text-decoration:underline">span　style="font-family:　宋体background:#D9D9D9">课程工具
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strong>span　style="font-family:　宋体">电子、通讯行业的工程手艺、QA
QC质量治理、产物工艺开发、临盆制作等范畴的工程师及手艺职员等和之前加入过　ESD　培训学员。
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strong>span　style="text-decoration:underline">span　style="font-size:16pxfont-family:黑体background:#D9D9D9">课程情势
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strong>span　style="font-family:宋体">讲解法，练习训练法，计议法、案例阐发法等。
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strong>span　style="text-decoration:underline">span　style="font-size:16pxfont-family:黑体background:#D9D9D9">培训时长
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strong>span　style="font-family:宋体">一天（6小时）
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strong>span　style="text-decoration:underline">span　style="font-size:16pxfont-family:黑体background:#D9D9D9">课程年夜纲
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">第一部门　ESD
EOS根基常识
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">1、静电的观点
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、静电征象
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、甚么是静电放电
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、静电及静电的发生
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strong>span　style="font-family:宋体">（1）打仗分别
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strong>span　style="font-family:宋体">（2）磨擦
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strong>span　style="font-family:宋体">（3）静电感应
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strong>span　style="font-family:宋体">4
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strong>strong>span　style="font-family:宋体">、
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strong>strong>span　style="font-family:　宋体background-color:　white">ANSI
ESD　S20.20:2007
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strong>strong>span　style="font-family:　宋体background-color:　white">先容
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">2、EOS相关常识
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、甚么是EOS
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、EOS通常发生在甚么处所
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、EOS的防止
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strong>span　style="font-family:宋体">（1）电源
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strong>span　style="font-family:宋体">（2）事情流程
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strong>span　style="font-family:宋体">（3）维护
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strong>span　style="font-family:宋体">4
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strong>strong>span　style="font-family:宋体">、EOS与ESD的区分
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">3、
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strong>strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">静电与绝对湿度的关系
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strong>1
strong>strong>span　style="font-family:　宋体">、绝对湿度越高，静电压就越低
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strong>2
strong>strong>span　style="font-family:　宋体">、
span>40
strong>strong>span　style="font-family:宋体">到
span>60%
strong>strong>span　style="font-family:宋体">绝对湿度无利于低落静电压
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">4、静电激发电子元器件生效的模式
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strong>1
strong>strong>span　style="font-family:　宋体">、突发性生效
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strong>strong>span　style="font-family:　宋体">、潜在性生效
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">5、静电放点模式以及模子
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strong>1
strong>strong>span　style="font-family:　宋体">、人体模子（
span>HBM
strong>strong>span　style="font-family:宋体">）
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strong>2
strong>strong>span　style="font-family:　宋体">、机械模子（
span>MM
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strong>3
strong>strong>span　style="font-family:　宋体">、带电器件放电模子（
span>CDM
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">6、静电侵害产物的两种体式格局
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、打仗
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、感应
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、ESD侵害的防护　必修　正告标识
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">7、静电放电节制的办法
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、静电放电节制的办法---接地
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、挪动装备接地
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、事情台接地
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p　style="text-indent:21px">strong>span　style="font-family:宋体">案例：B17四楼静电皮现同一接处所法为:
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strong>span　style="font-family:宋体">4
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strong>strong>span　style="font-family:宋体">、职员接地
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strong>span　style="font-family:宋体">（1）衣着的穿着
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strong>span　style="font-family:宋体">（2）防静电鞋的测试
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strong>span　style="font-family:宋体">（3）防静电手链
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strong>span　style="font-family:宋体">5
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strong>strong>span　style="font-family:宋体">、正确测试防静电手带
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strong>span　style="font-family:宋体">6
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strong>strong>span　style="font-family:宋体">、正确取拿路线板
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strong>span　style="font-family:宋体">7
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strong>strong>span　style="font-family:宋体">、静电放电节制的办法---屏障
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">8、防止Non-ESD资料呈现在EPA　区
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p　style="text-indent:7px">strong>1
strong>strong>span　style="font-family:宋体">、
span>ESD
strong>strong>span　style="font-family:宋体">验收
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p　style="text-indent:7px">strong>2
strong>strong>span　style="font-family:宋体">、验收申报的审核
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">第二部门　防静电手艺
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strong治理征询>
strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">1、概述
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、物体的静电的特色
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、静电的发生：
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strong>span　style="font-family:宋体">（1）静电感应
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strong>span　style="font-family:宋体">（2）磨擦起电
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、物体带电次序表
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strong>span　style="font-family:宋体">4
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strong>strong>span　style="font-family:宋体">、电子的挪动偏向
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">2、静电电压丈量
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、质地分歧的事情服以及亵服磨擦时人体带电电压（kV）
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、因塑料高空或盛器发生的静电电压丈量值
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、几个根本观点：
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strong>span　style="font-family:宋体">（1）静电是一种产生在资料外面上的征象。
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strong>span　style="font-family:宋体">（2）绝缘体的接地其实不能削减电荷。
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strong>span　style="font-family:宋体">（3）绝缘体上的电势会在导体上感应发生电荷。
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strong>span　style="font-family:宋体">（4）人体是最次要的静电放电泉源。
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strong>span　style="font-family:宋体">（5）静电毁坏都是经由过程导体（包含人体湿润的皮肤）惹起的。
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strong>span　style="font-family:宋体">（6）任何带电物体都很容易将本身所携带的电荷转移到导电的人体皮肤层上。
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strong>span　style="font-family:宋体">4
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strong>strong>span　style="font-family:宋体">、静电放电的实验品级
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strong>span　style="font-family:宋体">5
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strong>strong>span　style="font-family:宋体">、典型的静电放电电流波形
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">3、静电放电
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、积聚在物体上的电荷有两种开释体式格局
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strong>span　style="font-family:宋体">（1）透露
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strong>span　style="font-family:宋体">（2）火花
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、分歧类型资料外面的电阻率
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、PA（尼龙）的防静电机能要优于PC（聚碳酸酯）。为了综以及斟酌，可以接纳以下步伐：
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strong>strong>span　style="font-family:宋体">（1）在原资料中加防静电的添加剂；
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p　style="text-indent:7px">strong>span　style="font-family:宋体">（2）在仪外面板上涂外面涂层，使外面电阻率相符要求。
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">4、产物设计中的静电防护
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、静电伤害源对受益物体的影响，其作用机理除了库仑力作用的力学效应外产生四种作用：
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strong>span　style="font-family:宋体">（1）间接传导
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strong>span　style="font-family:宋体">（2）电容性耦合
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strong>span　style="font-family:宋体">（3）电理性耦合
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strong>span　style="font-family:宋体">（4）间接传导
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、因为静电放电发生的效应，可以分红三类：
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strong>span　style="font-family:宋体">（1）硬毁伤
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strong>span　style="font-family:宋体">（2）软毁伤
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strong>span　style="font-family:宋体">（3）短暂状况非常
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、避免节制体系以及电路不受静电放电的滋扰以及破损的根本办法有：
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strong>span　style="font-family:宋体">（1）克制滋扰源，
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strong>span　style="font-family:宋体">（2）隔离导体，避免放电
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strong>span　style="font-family:宋体">（3）将敏感电路旁路
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strong>span　style="font-family:宋体">（4）对敏感电路施行屏障
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strong>span　style="font-family:宋体">（5）掩护敏感电路
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strong>span　style="font-family:宋体">4
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strong>strong>span　style="font-family:宋体">、现实案例
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strong>span　style="font-family:宋体">（1）金属火花排汇器的抗静电利用
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strong>span　style="font-family:宋体">（2）4.2　印刷路线板上的掩护环　
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strong>span　style="font-family:宋体">（3）采纳金属屏障体
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strong>span　style="font-family:宋体">（4）对电缆接插件静电放电的滋扰及其对策
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strong>span　style="font-family:宋体">5
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strong>strong>span　style="font-family:宋体">、电路设计以及印刷路线板布线　
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">第三部份　工场ESD运转指示
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">1、带学员现场参观ESD防护
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strong>span　style="font-family:宋体">1
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strong>strong>span　style="font-family:宋体">、仓库
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strong>span　style="font-family:宋体">2
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strong>strong>span　style="font-family:宋体">、设计开发部分
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strong>span　style="font-family:宋体">3
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strong>strong>span　style="font-family:宋体">、临盆现场
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strong>span　style="font-family:宋体">4
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strong>strong>span　style="font-family:宋体">、质量查验部
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strong>span　style="font-size:16pxfont-family:黑体color:#1F497D">2、就企业各ESD防护现场先生赐与点评
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