Thursday, December 23, 2010

Weak current College】 【flexible circuit board performance and parameters】.

<br> Flex circuit is to polyimide or polyester film as the substrate made of a high reliability, excellent to flexible printed circuit, this circuit can be bent, folded, winding, can move in three dimensions and its expansion, thermal performance, reduce the .volume can be used to achieve the FPC lightweight, compact, thin, so as to achieve the component unit and conductor connect integration. <br> <br> Polyimide <br> 280 ° c resistance welding is greater than 10 seconds <br> Anti .-stripping strength greater than 1.2 kg / cm <br> Surface resistance of not less than 1.0 × 10E11 ohm <br> Curved around the resistance and chemical resistance in line with the IPC standard <br> Polyester <br> Anti-stripping strength 1.0 .kg / cm <br> Curved around the resistance and chemical resistance in line with the IPC standard <br> Surface resistance of not less than 1.0 × 10E11 ohm <br> <br> Specifications <br> Polyimide <br> Film thickness 0.025- .0.1mm <br> Copper foil thickness: electrolytic copper, rolled copper <br> 0.018,0.035,0.070,0.10 mm <br> Polyester <br> Film thickness 0.025-0.125mm <br> Copper foil thickness: electrolytic copper, rolled copper .<br> 0.018,0.035,0.070,0.10 mm <br> <br> <br> <br>.

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