Abstract: Microcomputers are used now widely in the areas of defence,military,govemment,etc.This peper describes the leakege protection technique in PCBs, cases,connectors,cabels and power un its,which is used to protect against radiation of electromagnetic signal and conductive leakage when the microcomputer is in operation.

摘要： 当今微型计算机已广泛应用于国防军事领域、政府机要部门等。叙述了为防止微机运行中电磁信息的辐射，传导方式泄漏，在印制电路板、机箱、连接器、电缆、电源等部分采取的抑源和包容方面有关防护技术。

关键词: 电磁信号, 辐射, 泄漏, 保护技术

CLC Number: 

• TP307