Calculator keyboard PCB Carbon

Calculator keyboard PCB Carbon
Product Details



Introduction

We are skilled manufacturer in varied Carbon PCB/PCBA with nine years expertise, our cabon PCB is especially used for potentiometer, automotive air con door sensors, automotive wipers, automotive dimmers and resistance sort controllers. we are able to give an inexpensive worth with top quality product.



Main technical parameters:

     Resistance Range: 1KΩ to 1MΩ

     Resistance tolerance: ±15% (inclusive) or more;

   Durability: more than 1 million times




Special introduction of manufacturing process


PCB printing insulation paint, silver paint, carbon paint, ink, peelable adhesive need to go through 170°C~230°C, after high-temperature sintering and curing, the film is polymerized, and high-temperature ovens and tunnel furnaces are high-power devices (50KW~60KW).




Production Flow





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