ESD防静电手册

电磁屏蔽材料: 表面电阻小于10欧的材料

3.6 ESD Discharge Models(Main) 静电释放的模式(主要)

3.6.1 Human Body Model (HBM): HBM is the cause of direct transfer of Electrostatic charge from human body to Electronic component.

人体带电释放模式（HBM）：静电由人体释放到电子元件上的模式。

3.6.2 Machine Model (MM): MM is the cause of direct transfer of Electrostatic charge from Machine/Tools to Electronic component.

设备静电释放模式（MM）：静电由机器设备/工具上转移至电子元件上的模式

3.6.3 Charge Device Model (CDM): The transfer of charge from device, this event occurs when a device moves across a surface or get charged-up by other triboelectrification.

装置静电释放模式（CDM）：静电在装置上的转移现象，主要出现在装置在表面移动时由于摩擦静电所产生的带电现象。

3.6.4 Field Induced Model (FIM): FIM model may occur when ESD Sensitive item is placed near or inside electrostatic field.

电场感应模式（FIM）：主要出现在当静电敏感元件被置于静电电场附近或静电场内所发生的带电模式。

3.7 RTG-Resistance To Ground RTG-对地电阻

3.8 EPA- ESD Protected Area ;ESD 保护区

3.9 Triboelectric Charge – The generation of electrostatic charge when two materials make contact or are rubbed together, then separated. 摩擦静电 – 由两种材料在接触和分离的过程中产生的静电。

3.10 Induction – One item with an electrical charge influences another item to have a similar charge without direct contact.

感应现象 – 在没有直接接触的情况下，带电物体导致另一物体带电的现象

4. Responsibility 职责

4.1 ESD control program manager: Be responsible for monitoring ESD system establishment, management and running and maintaining.

ESD 控制方案经理（ME Manager）:负责监督ESD 体系的建立,管理,运作及维持之有效性. 4.2 ESD coordinator: Be responsible for Planning, establishing, and maintain the

ESD system, and performing the ESD protection material qualification etc. ESD 协调员(QE): 负责规划,建立及维持ESD 体系, 以及执行ESD 防护材料之资格验证. 4.3 Industrial Engineer (IE) is responsible to schedule the ESD system set up, verification and qualification for new or modified production line / ESD protected area, monitor and coordinate the actual progress to ensure the ESD control system is established&qualified per requirement.

IE 工程师负责针对新建立或更改生产线/ESD 防护区制定关于ESD 控制系统的建立，验证及验收计划，并负责协调相关部门确保计划按要求完成。

4.4 Facility Department is responsible to set up, install the ESD control system per schedule and ensure the ESD system requirement will be met per ESD specification according to this procedure.

Facility 部负责按计划建立，安装防静电控制系统，并确保建立的ESD 系统符合本程序内所要求的ESD 规格。

4.5 Usage and management dept. Be responsible for ESD protection material, equipment,tools& fixtures, solder iron etc. measurement, and record retention 使用及管理单位: 负责ESD 防护材料,设备, 工治具,铬铁等之量测及记录保管. 4.6. PQC is responsible for monitoring&checking ESD daily record, maintenance record from usage and management dept..

PQC： 负责监控和检查使用及管理单位所做的ESD量测和保养记录

5. ESD Operation Content/ ESD作业内容

5.1 ESD Control Program ESD 控制方案要求

5.1.1 ESD control program shall include both administrative and technical requirements as described herein, which are included in this manual are established according to ANSI/ESD S20.20 and the related international/national safety, technical law etc,which is the most basic requirement for the related ESD activities in Guangdong Whirlpool Electrical Appliances Co.,Ltd. ESD 控制方案包括行政要求及技术要求,本手册规定之行政要求及技术要求是依据ANSI/ESD S20.20 标准及国家相关安全,技术法规等制订,是为广东惠而浦家电制品有限公司相关ESD作业活动之基本要求。

5.1.2 Perform two ESD system internal audits at least twice annually,and the CA

and preventive action have to be closed to ensure ESD system efficiency. 每年至少进行两次ESD 系统的内部稽核,稽核缺陷之矫正及预防措施均已改善,以确保ESD 体系的有效性.

5.1.3 The specific measurement/test instrument/equipment type& brand, picture or the corresponding specific operation addressed in this manual are just usage reference for this type

本手册中所提到之具体量测仪器设备之型号,图片或相应之具体设备操作仅供此设备之使用参考.

5.2 ESD Control Program Manager or Coordinator ESD 控制方案经理或协调员

QA manager is ESD control program manager.ESD control program manager shall assign one or more person as their ESD coordinators that should be showed in their organization; ESD control manager and coordinator are responsible for driving, monitoring, and maintaining the ESD operation activities being implemented per the defined procedure in their area

ESD 控制方案经理为公司ME经理, ESD 控制协调员为公司QE。ESD 控制方案经理或协调员应负责推动,督导及保持其负责区域之相关ESD 作业活动均须符合建立之文件规定。 5.3 Update 文件修改与更新

This manual will not delete any portion from ANSI/ESD S20.20, if there are something to delete, modify, and add some requirement because of considering cost, operation possibility or efficiency, safety etc factors, the corresponding ESD control program mgr/coordinator should lead to evaluate them together with ME,QE, and PRD etc related dept, and the evaluation report will not be effective until ESD control manager sign it together.

本手册不对ANSI/ESD S20.20 所要求之内容做任何删减,若有对方案控制项

目中部分内容因考虑到成本,可操作性或效率,安全等因素不适用,需要做删减,修改及增加一些要求时,需由ESD控制方案经理/协调员主导,会同ME,QE,PRD等相关单位作出评估, 评估报告由ESD 控制方案经理签核生效。 5.4 ESD Control Operation ESD管制作业 5.4.1 ESD Protected Area(EPAS)ESD 保护区

5.4.1.1 Handling of ESDS parts, assemblies and equipment etc without ESD

protective covering or packaging shall be performed in an EPA; an EPA can consist of a single workstation, entire room or building; Caution signs indicating the existence of the EPA shall be posted and clearly visible to personnel prior to entry to the EPA( refer to below marking symbol)

处理没有ESD 保护覆盖或包装的ESDS 部件, 组件和设备等必须在EPA 内; EPA 可以是单一的工作台,整个房间或建筑物,也可能是可移动的;EPA 之边界应设立警告标示,让进入EPA 的人员可清楚的看到.(可参看以下ESD 标示符号)

5.4.1.2 Access to EPA shall be limited to personnel who have completed appropriate ESD training. Untrained individuals shall be escorted by trained personnel while in an EPA。

进入EPA 的人员必须经过ESD 培训.未经培训的人员在EPA 内要有经过培训人员的陪同引导.

5.4.1.3 All nonessential insulators such as coffee cups, food wrappers and personal items shall be removed from the workstation or any operation where unprotected ESDS items are handled; For process-required insulators, there should have one plan to try to eliminate it so as to reduce the CDM damage, anyway, each department should make sure to separate the insulator from the ESD-sensitive device by a distance of 30cm(12inch), if the field exceeds 2000 voltage/inch in the EPA, the above separation actions is not applicable, there shall use ionization or other charge mitigating techniques to neutralize the charge.

所有不必要的绝缘体(如: 咖啡杯,食品包装材料,个人用品等)应排除在工作区或任何处理未保护的ESDS 产品作业的区域之外;针对过程需要的绝缘体, 应建立一计划来消除掉来尽量减轻场感应(CDM)损坏, 总之,不管怎样,应确保使绝缘体远离ESDS 敏感器件至少30cm(12inch), 如果EPA 环境中在静电场超过2000V/INCH的情况下, 上述隔离措施不可行,则要采取使用离子化或其他电荷减轻技术来中和电荷.

5.4.1.4 An EPA shall be established wherever ESDS products are handled, and shall adopt some ways to establish ESD control within an EPA, the detailed ESD control item and methods and technical requirement &administrative requirement are seen below section, in addition, when employees are handling the non-conforming ESD devices ,they still need ESD protection.

在处理ESDS 敏感器件产品的地方都应建立ESD 保护区, 且须采取一些方法来在EPA内建