电脑经常放置在有较强的磁场环境下就有可能造成硬盘上数据的损失 甚至这种强磁 场还会使电脑出现一些莫名其妙的现象如 显 示器可能会产生花斑抖动等这种电磁干 扰主要有 音响设备 电机 大功能电器 电源 静电以及较大功率的变压器如 UPS 甚至-Computers are often placed in a strong magnetic field environment is likely to result in the loss of data on your hard disk or

FEMM仿真手册，FEMM可以仿真二维平面的静电场、静磁场，是一款不可多得的好软件，奉上手册一部-FEMM simulation manual, FEMM can simulation of the planar electrostatic field and static magnetic field, is a rare good software, brought the manual a

step公司内部的原理图审核文档，有详细的关于静电保护以及相关的设计要求。-Step company internal schematic review document, there are detailed on the electrostatic protection and related design requirements.