Pcb Fabrication
PCB Knowledge:Of all surface treatments, HASL (lead free / no lead free) is the most common and cheapest treatment, but note the RoHS rules of the European Union.RoHS: RoHS is a mandatory standard established by EU legislation. Its full name is《 the Directive on restricting the use of certain harmful components in Electronic and Electrical equipment》 (Restriction of Hazardous Substances). The standard has been put into practice since July 1, 2006. It is mainly used to standardize the materials and process standards of electronic and electrical products so as to make them more favorable to human health and environmental protection. The aim of the standard is to eliminate six substances, namely lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products. The content of lead should not exceed 0.1%. Process of pcb manufacturing:PCB Capability:Max layers number:40 layersMin line width/gap:3mil/3milMin hole size for mechanical drill:0.15mmMin hole size for laser drill:0.1mmMin annular ring:4 milMax copper thickness:12ozMax size for single and double layers PCBs:600 x 1200mmMax size for multi-layers PCBs:500 x 1200mmBoard thickness for 2 layers:0.2-7.0mmBoard thickness for multi-layers:0.4-7.0mmMin solder mask bridge:0.08mmAspect raion:15:1Plugging vias capability:0.2-0.8mmImpedance Control Tolerance:±10%Thickness tolerance for PTH:+/- 3milThickness tolerance for NPTH:+/- 2milSolder mask color:White,black,blue,green,yellow,
red and so onCharacter:White,yellow,black.Finished surface:OSP(Entek),HASL no lead free
lead free HASL, ENIG(Immersion Gold),
Immersion Tin, Immersion Silver,
Hard Gold, Platting Gold,
Gold Finger, Enepig.Month capability:5000 types/month. 6000m2/monthNormal board materials:SHENGYI,ITEQ,KB.Special materials:ROGERS,ARLON,TACONIC,NELCO, ISOLA, HighTG:S1000-2.IT180PCB Equipment:Certifications:Our Company is UL,ISO9001,ROHS and GJB9001B certified. Packing and Shipping:FAQ:1. How to Get a quotation?For PCBs,pls send us the Gerber File.For PCBA,pls send us the Gerber file and BOM(Bill of Materials)2. What is the MOQ?No MOQ.1 pcs is ok.3.What is the lead time?For PCB orders,the lead time is 2 to 10 days.For PCBA orders,the lead time will be 15 to 30 days.4.Will the boards be tested before shippment?Yes,all PCBs will be tested by Flying Probe or E-test.For PCBA,we will have AOI,X-ray,and functional test
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