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70 PCB007 MAGAZINE I MAY 2023 Interview by Barry Matties and Nolan Johnson I-CONNECT007 Every industry has a beginning, and we are lucky to have Rex Rozario here to share the story of how the printed circuit board industry got its start. I-Connect007 chatted with Rex recently about how he became involved with circuit board inventor Dr. Paul Eisler. Barry Matties: Let's start at the beginning, Rex. My understanding is you were there when circuit boards were first being manufactured. You're correct. Fortunately for me, when I le university, my first job was with a company called e Telegraph Condenser Company; they had just acquired the first license from Paul Eisler. He developed the printed circuit in The Birth of the Printed Circuit Board a shed in London, circa 1940; they were single- sided boards. He had the patents in 1948 and issued five licenses. We (e Telegraph Con- denser Company) were the first to get a license. Eisler later joined Technograph and worked there for some time. Eventually, Technograph and Telegraph merged. Matties: Would you say you were the first company to produce a licensed printed circuit board? Technically, we were the first company in the UK to manufacture PCBs. Eisler sold one license to the UK and four others to the U.S. We could appoint other people as well, if they wanted to manufacture under our license. Rex Rozario on the set of the upcoming biopic "The Midas Man", the story of The Beatle's manager, Brian Epstein.

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