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Austrian engineer Paul Eisler is likely the inventor of PCBs, creating one for a radio in 1936 while working in England

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During World War II in 1943, the United States widely adopted PCB technology for proximity fuses and robust radios, releasing the invention for commercial use in 1948

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PCBs are surfaces with copper conductor paths laminated on a non-conductive base, commonly made of fiberglass, ceramic, plastic, Teflon, or polymers

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Evolution has led to advanced technologies such as surface mount assembly

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Provide electrical connection and mechanical support for electronic components

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Conductor paths are typically made of copper, while the base uses resins and insulating materials.

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Contributions from organizations like IPC, ANSI, IEC, EIA, and JEDEC ensure continuous improvement

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Standards like IPC-2220 regulate design, assembly, and quality control

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Automation in mass production environments makes PCBs more cost-effective and reliable

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Automated wave soldering enhances efficiency and reduces costs

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Initially, the through-hole method was used, evolving into surface mount technologies

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Manufacturing involves card lamination and etching techniques

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"Point-to-point" and "wire wrap" connections were surpassed with the development of the auto-assembly process

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Designs include patterns of interconnection between components