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PCB Board for Keyboards with BGA Immersion Gold Board and 70um Copper Thickness

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Cirket Electronics Co.,Ltd
[China]

Address
3F,Block B1,HengFeng Ind.Zone,Hezhou,Xixiang,BaoAn,Shenzhen, Guangdong, 518128, P.R.China Shenzhen Guangdong
Phone
86-0755-27364707
Contact name
Mila Yu

Quick Information

  • Place of Origin: China

Description

  • 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% 


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