Dr. Heitaro Nakajima — no stranger to cutting edge product development, having (among other projects), developed the prototype for what became Japan’s first condenser microphone
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— Sony’s C-37A in 1955.
Plating and Pressing • Re: Question about DMM bath
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Acid Copper is commonly used on the stainless steel substrate so as to
provide the base for the 10 -15 micron copper coating to it,
Conditions and the chem...
22 minutes ago
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