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  • Pcb Board For Keyboards With Bga Immersion Gold And 70um Copper Thickness - China

    price: contact company for price

    Specifications:

    Base material: FR4

    Layer count: double- sided board

    Board thickness: 1.0mm

    Copper thickness: 70um

    Surface finishing: HASL

    Soldermask color: red

    Size: 154.2 x 62.3/ 2up

    Technical parameters:

    Surface treatment: HASL ( LF) , immersion gold, flash gold, OSP, immersion tin, immersion silver, HASL and gold finger, selective nickel

    Laminate: CEM- 3, PTFE, FR- 4 ( high TG and more) , metal base ( AL, CU and more) , Rogers and more

    Layers: 16 layers ( maximum)

    Board size: 20 x 48- inch ( maximum)

    Board thickness: 0.4 to 5.5mm

    Copper thickness ( maximum) :

    Inner layer: 4oz

    Outer layer: 5oz

    Track width: 4 mils/ 0.1mm ( minimum)

    Track space: 4 mils/ 0.1mm ( minimum)

    Hole size: 8 mils/ 0.2mm ( minimum)

    Laser hole size: 4 mils/ 0.1mm ( minimum)

    PTH wall thickness: 0.8 mils/ 20um

    PTH diameter tolerance: ±3 mils/ 76um

    NPTH diameter tolerance: ±2 mils/ 50um

    Aspect ratio: 10: 1

    Impedance control: ±10%


    Company Contact:


    • Phone: 008675586215150

    • Address: :3F,Block B1,HengFeng Ind.Zone,Hezhou,Xixiang,BaoA, shenzhen, China

    • Email: Email


    Published date: August 26, 2014 -

    • Business Description: The products extends from 2 20 layer FR4 circuit boards, single/double

      sided aluminum base /copper base circuit boards, to 2 8 layer high

      frequency microwave circuit boards and double sided /multilayer 2 6 OZ

      heavy copper circuit boards.

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