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| Brand Name : | XCE | 
| Model Number : | XCEM | 
| Certification : | CE,ROHS, FCC,ISO9008,SGS,UL | 
| Price : | negotiation | 
| Payment Terms : | T/T,Western union | 
| Supply Ability : | 1, 000, 000 PCS / week | 
| Delivery Time : | 5-10 days | 
Rigid 18 Layer Multilayer PCB Circuit Boards With ENIG Surface Finish
Specification:
| Technology | Materials | 
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| PCB thickness | Final copper | 
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| Conductor track widths | Minimum drilling diameter | 
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| Contour production | Solder masks | 
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| Surfaces | Additional printing | 
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| Layer | 12-26 | 
| Material type | FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free, Rogers | 
| Board thickness | 0.21mm to 7.0mm | 
| Copper thickness | 0.5 OZ to 6 oz | 
| Size | Max. Board Size: 580mm×1100mm | 
| Min. Drilled Hole Size: 0.2 mm (8 mil) | |
| Min. Line Width: 4mil (0.1mm) | |
| Min. Line Spacing: 4mil (0.1mm) | |
| Surface finishing | HASL / HASL lead free, HAL, Chemical tin, Immersion Silver/Gold, OSP, Gold plating | 
| Solder Mask Color | Green/Yellow/Black/White/Red/Blue | 
| Tolerance | Shape tolerance: ±0.13 | 
| Hole tolerance: PTH: ±0.076 NPTH: ±0.05 | |
| Certificate | UL, ISO 9001, ISO 14001 | 
| Special requirements | Buried and blind vias+controlled impedance +BGA | 
| Profiling | Punching, Routing, V-CUT, Beveling | 
Description:
Multilayer PCBs in form of multiple circuit layers stacked together.
Few already consider 2-layer circut boaders as multilayer, but generally speaking boards with at least 4 or more layers are considered as multilayer. 2-layer circuit boards are sometimes referred to as bi-layer. The upper limit for the amount of layers is wide open.
However, 4- and 6-layers dominate the multilayer area by taking about 90% of the market. Multilayer with up to 24 layers can be produced in our factory.
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