Jan 08, 2016· Showa Denko (SDK) (TOKYO: 4004) and its subsidiary Nippon Polytech Corporation have jointly developed a new grade product of solder resist to be used for manufacturing of Chip on Film * (COF) circuits. Compared with our conventional grade product "NPR TM3400," the new grade product has times of tolerance to bending, and protects finer patterns, while maintaining excellent levels ...
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