Hole Filling Membrane Switch

When using PET to run the line, space is not enough, we will use  double face PET circuit. It can save cost. Because FPC.

Substrate type PET film; Plate color transparent, white, light blue, light green; Plate thickness 0.05-0.2mm; Fire resistance temperature 1000c-2800c; Bending fatigue strength ≥ 300,000 times; Insulation resistance of 5 m or more Ω; Design layers 1-4; Carbon silver thickness 0.025-0.1mm; Adhesion strength 10 N/cm small line width ≥ 0.2mm; Small line distance ≥ 0.25mm; Small pad inner layer ≥ 0.5mm outer layer ≥ 0.8mm; Anti-click strength ≥1 million times; Green oil bridge capacity ≥4 milUV standard; Uv curing aperture tolerance 0.05mm; Hole position tolerance 0.075mm; Contour tolerance 0.075mm;Printing area (0.5-160cm)2; Test voltage DC 10-50v; Quality standard GB/T 4588, IPC - A - 600 f products are much used in domestic consumer electronics, computer keyboard, calculator, telephone, cipher machine, perpetual calendar, electronic gifts, point reading machine, machine learning, kid-learning, speech e-books, keyboard, electronic calendar, electronic audio chart, pads, toys, machinery, automatic control, instruments and meters, medical equipment, metering, car antenna, and so on electronic scale manufacturers.

Thin film circuit is a soft circuit board composed by printing conductive silver paste or carbon paste on non-conductive high temperature resistant film (PET) and adding non-conductive UV insulating ink. Film line can be printed in pure silver, or mixed silver carbon printing, silver carbon mixed printing price is lower than pure silver paste printing line, but the resistance is large, poor electrical conductivity, see customer demand.

The thin film circuit produced by wenyi company can be customized with different specifications, different styles and various levels of difficulty according to customer requirements. The special price is less than half of the price of ordinary fake double-sided rigid circuit board (PCB). It can be used in the key parts of the product to reduce the product cost.

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