Introduction of PCB history Printed circuit boards (PCBs), foundational to the electronics industry, have been widely used since the 1950s. The concept originated in 1925 when Charles Ducas patented a method for creating electrical paths on insulated surfaces. In 1943, Paul Eisler developed the etching process for PCBs, which gained popularity in the 1950s with the advent of transistors. The introduction of through-hole technology in 1961 and integrated circuits in the 1970s further advanced PCB design, enabling higher component density and smaller electronic devices. By 2018, the global PCB market was valued at $74.3 billion. SysPCB in Shenzhen, China, is a reliable supplier in the PCB industry.
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