material of board
A printed circuit board (pcb) is a board made of different heat resistant insulating materials.conductive copper tracks are printed or etched onto this con-conductive base substrate. electronic components are then soldered onto this board making it a printed circuit board assembly ().. pcb materials can be classified according to their properties. the base material of a pcb (ccl – copper. A blackboard can simply be a board painted with matte dark paint (usually black, occasionally dark green). matte black plastic sign material (known as ‘closed-cell pvc foamboard’) is also used to create custom chalkboard art.a more modern variation consists of a coiled sheet of plastic drawn across two parallel rollers, which can be scrolled to create additional writing space while saving. The board types above can be used to select the circuit board material best suited for your design. selecting the best circuit board material for your board type. as stated above, there are a number of physical characteristics or properties that can be used to identify circuit board materials.. 
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