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Pcb designing and making

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PCB DESIGNING AND MAKING. A printed circuit board (PCB) is the board base for physically supporting and wiring the surface-mounted and socketed components in most electronics. In applications where fine conductive traces are needed, such as computers, PCBs are made by a photolithographic process, in a larger scale version of the way conductive paths in processors are made. PCBs can be single-layer for simple electronic devices. Printed circuit boards for complex hardware, such as computer graphics cards and motherboards, may have up to twelve layers. PCBs are most often green but they can come in any color. Photo etching is a chemical milling process used to fabricate sheet metal components using a photo resist and etchants to corrosively machine away selected areas. Other methods of PCB manufacturing include silk-screening and CNCmilling. SOFTWARE FOR PCB MAKING 1) zenitPCB. Is an excellent pcb layout design software tool to create professional printed circuit board ( PCB ). 2) FreePCB. Is a free, open-source PCB design editor for Microsoft Windows. It was designed to be easy to learn and easy to use, yet capable of professionalquality work. 3) TinyCAD. Is a program to help you dr ...
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