Hall of Fame

Inducted 2018


Natsuo Sawa and Masahiro Hoda coinvented and patented a "method of rust preventing for copper and copper alloy." The scientists proposed surface-treating copper with a 2-alkylimidazole or an acid addition salt. Their invention, known today as OSP, or organic solderability protectant, is used on more than 60% of printed circuit boards worldwide.

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