PCB is the abbreviate of English Printedcircuitboard, formal translation is printed circuit board or printed wiring board, or presswork circuit board; Include printed wiring graph and print component;

PWB is the abbreviate of English Printedwireboard, formal translation is to presswork circuit board, it is the Englishman makes a way inchoately, because only circuit pursues on circuit board at that time, and did not print component to wait, belong to relatively original board so; As a result of the tradition a lot of Englishman and person of partial Hong Kong still call circuit board PWB;

FPC is flexible circuit board abbreviation, say again soft board, english is the abbreviate of Flexibleprintedboard.