As a professional PCB manufacturer, we have factories in Guangdong, Jiangxi, and Hunan, using advanced production equipment to ensure the high quality of our products. We have 10 PCB production e machine works 24 hours a day, only to provide customers multilayer metal core PCB with satisfactory delivery time. In addition, all our products have obtained ISO-9001 quality system certification, ISO-14001 environmental system certification, and UL certification. SPEEDAPCB has been focusing on various single side PCB, double-sided PCB, and multilayers PCB manufacturing.
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PCB multilayer board simply means that more single and double boards are used to alternate the insulation material and the positioning system, and then the interconnected to form a multilayer circuit board. For example, one double board is used as the inner layer and two single boards are used as the inner layer. The inner layer is a four-layer board formed by technology.
The design of the multilayer board is more flexible and the electrical performance is more stable and reliable. At present, the most multi-layer boards used in various industries are still four or six-layer boards, and the consumer electronics industry uses more high-level PCB boards.
| Item | Capabilities | |
| of Layers | From 4-layer to 22- Layer | |
| Material | FR-4, HighTg, Rogers | |
| Halogen Free | ||
| PCB Thickness | Min. thickness | 0.4mm(16mil) |
| Max. thickness | 3.2mm(128mil) | |
| Surface finished | Gold Plating | |
| Immersion Gold(Silver) | ||
| HAL Lead Free | ||
| Hot Air Solder Leveling(HASL) | ||
| Entek Coating (OSP) | ||
| Solder Mask | Any color ,Green, White, Black, Yellow, Red, Blue | |
| Other printing | Gold Finger | |
| Carbon Print, Peelable Mask | ||
| Solder Mask Plugged Hole | ||
| Copper thickness | 1/ 2 oz (18 μ m) - 4 oz (140 μ m) | |
| Min. Finished Hole Size | 0.2mm(8mil) | |
| Hole Size Tolerance (PTH) | +/ -0.076mm (3 mil) | |
| Hole Size Tolerance (NPTH) | +/-0.05mm (2 mil) | |
| Min. h and Spacing | 0.1mm (4 mil) | |
| Min. Solder Mask Clearance | 0.05mm (2 mil) | |
| Min. Annular Ring | 0.076mm (3mil) | |
| Profile and V-Cut | CNC-Routing, Stamping and Beveling, V-CUT, CNC | |
| Special Process | Micro-section, Chamfer for Gold Finger | |
| File format | Gerber ,Protel ,Autocad ,Powerpcb , Orcad ,etc | |
| TEST | Electrical Testing , Controlled Impedance Testing , Flying Probe Test , X-Ray Inspection AOI Test | |
| Environment | Clean room environmen , Dust-free workshop | |
| Warp & Twist | ≤ 0.7% | |
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