China High End Communication Multilayer PCB with Special Green Color, Find details about China PCB, Circuit Board from High End Communication Multilayer PCB with Special Green Color
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 | ||||||||||||