Gold Communication PCB China Facotory, Find details about China PCB, Circuit Board from Gold Communication PCB China Facotory
Technical Capability of rigid PCB | ||||||||||||
| Item | Mass production | Small batch production | ||||||||||
| Number of Layers | UP TO 18L | UP TO 36L | ||||||||||
| Laminate | FR-4,Halogen free, High TG,Cem-3,Al/copper based,high frequency | |||||||||||
| Maximum board size | 610*460mm | 1200*600mm | ||||||||||
| Board thickness | 0.3-3.5mm | 0.2-6.0mm | ||||||||||
| Minimum line width/space | 3/3 mil | 3/3 mil | ||||||||||
| Minimum line/space tolerance | +/-20% | +/-10% | ||||||||||
| Max.Outer layer copper thickness | 140um | 210um | ||||||||||
| Max.Inner layer copper thickness | 105um | 175um | ||||||||||
| Min. finished hole size(Mechanical) | 0.2mm | 0.15mm | ||||||||||
| Min. finished hole size (laser hole) | 0.075mm | 0.075mm | ||||||||||
| Aspect ratio | 10:1 | 12:1 | ||||||||||
| Solder Mask Color | Green, Blue, Black,White,Yellow,Red | |||||||||||
| Impedance control Tolerance | <=+/-10% | |||||||||||
| Surface treatment | Flash Gold | 0.025-0.075um | 0.025-0.5um | |||||||||
| Immersion Gold | 0.025-0.1um | 0.1-0.2um | ||||||||||
| Sn/Pb Hasl | 1-40um | |||||||||||
| Leadfree Hasl | 1-70um | |||||||||||
| Immersion Silver | 0.08-0.3um | |||||||||||
| OSP(Entek) | 0.2-0.4um | |||||||||||
| Gold Finger(Hard Gold Plating ) | 10u''-50u'' | |||||||||||
| Other surface treatment also available such as Nickel palladium | ||||||||||||