Surface Mount Technology(SMT)表面贴装设备,SMT贴片机零配件,SMT备件,SMT备品和SMT部件供应商


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表面贴装技术是SMT(Surface Mount Technology)的中文称呼,是一种电子装联技术,起源于20世纪80年代,是将电子元件,如电阻、电容、晶体管、集成电路等等安装到集成电路板(Print Circurt Board)上,并通过钎焊形成电气联结。
用丝网漏印的方式在印刷电路板上需要焊接元件的位置印上锡膏, 将元件贴放到印刷电路板上对应的位置,
让贴好元件的印刷电路板通过回流炉加热,使锡膏熔化,元件的引脚与印刷电路板上的铜箔形成牢固的机械电气连接。
Printed Circuit Board
印刷电路板,又称印制电路板,印刷线路板,常使用英文缩写PCB(Printed circuit board)或写PWB(Printed wire board),是重要的电子部件,是电子元件的支撑体,是电子元器件线路连接的提供者。传统的电路板,采用印刷蚀刻阻剂的工法,做出电路的线路及图面,因此被称为印刷电路板或印刷线路板。由于电子产品不断微小化跟精细化,目前大多数的电路板都是采用贴附蚀刻阻剂(压膜或涂布),经过曝光显影后,再以蚀刻做出电路板。
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