PCB Exporter

详情

Bestparts is the professional PCB manufacturer and exporter located in Shanghai, China, specializing in PCB prototyping, small and medium-volume production. Bestparts is continuously innovating the technology improving our PCB capability to meet customers' high-tech requirements with High-Density, High Multilayer, Greater Aspect Ratio, better Impedance Controlled products. Item Description Technical Data 1 Layers ***4 Layers 2 Max. Board Size **4 x **0 mm (*4" x *4") 3 Min. Board Thickness 0.2mm (2 layers) 4 Max. Board Thickness **5mil(8mm) 5 Max. Copper Thickness *9oz/Inner Layer: *2oz/Out layers 6 Min. Inner Line Width / Space 4mil(0.1mm) / 4mil(0.1mm) 7 Min. Outer Line Width / Space 4mil(0.1mm) / 3.5mil(0.**9mm) 8 Min. Finish Hole Size 6mil(0.*5mm) 9 Max. Aspect ratio *2：1 *0 PTH hole copper thickness min *5um(1.0mil) *1 Hole Position Deviation ±2mil(0.*5mm) *2 Solder Mask Abrasion ≥6H *3 Min Solder mask Opening 0.*5mm(2mil) *4 Min solder mask coverage 0.*5mm(2mil) *5 Surface Finish Treatment Flash gold/ Electroless nickel Immersion gold Organic Solderability Preservatives Hot Air Leveling (=HAL-Tin/Lead); Hot Air Leveling (Lead- Free, RoHS); Carbon Ink, Peelable Mask, Gold Fingers , Silver (3~*0u"), Immersion Tin (0.6~1.2um). *6 E-TEST voltage **0 ± 5 V *7 Capacity *0, **0 sqft/month