FUN FACT: The world’s first patent for a printed circuit board was filed by Austrian engineer Paul Eisler in 1943. He developed it for a top-secret British military project during World War II. These early PCBs were made using a silk screen method, and they played a crucial role in reducing the size and complexity of electronic systems used in radar technology. This innovation laid the foundation for the modern PCBs we use in countless electronic devices today.
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