The double sided PCB board needs to be packed in a colorless plastic bag in vacuum, and the bag should be packed with desiccant and keep packing tight. It should not contact with air and water to avoid the surface deposition of PCB circuit board, tin spray and pad oxidation will affect the welding, which is not good to production.
When packing the PCB board on both sides, a bubble film should be put around the edge of the box, and the water absorption of the bubble membrane is better, so it can absorb water and prevent moisture. In addition, moisture-proof beads are also necessary.
It should label double sided PCB board according to classification. After the box must be partitioned, stored off the ground in dry ventilation, and at the same time avoid sunlight.
Warehouse temperature of PCB storage is best controlled at 23 ±3 ℃, 55 ±10RH. Under such conditions, the PCB with surface treatment such as Immersion gold, electric gold, HASL and silver plating can generally be stored for 6 months. Surface treated PCB boards such as OSP and Immersion silver can generally be stored for 3 months.
For long time unused PCB circuit board, it is best to brush a layer of conformal coating. The conformal coatings can prevent moisture, dust and oxidation. In this way, the storage life of the PCB circuit board will be increased to 9 months.( pcb products)
Process of pcb manufacturing:
Max layers number:
Min line width/gap:
Min hole size for mechanical drill:
Min hole size for laser drill:
Min annular ring:
Max copper thickness:
Max size for single and double layers PCBs:
600 x 1200mm
Max size for multi-layers PCBs:
500 x 1200mm
Board thickness for 2 layers:
Board thickness for multi-layers:
Min solder mask bridge:
Plugging vias capability:
Impedance Control Tolerance:
±10%(±5% for PCB Prototypes)
Thickness tolerance for PTH:
Thickness tolerance for NPTH:
Solder mask color:
White, black, blue, green, yellow, red and so on
OSP(Entek), HASL no lead free, HASL Lead Free, ENIG(Immersion Gold), Immersion Tin, Immersion Silver, Hard Gold, Platting Gold, Gold Finger, Enepig.
30000 square meters/month
Normal board materials:
ROGERS, ARLON,TACONIC, NELCO, ISOLA, HighTG:S1000-2.IT180
Our Company is UL,ISO9001,ROHS and GJB9001B certified.
Packing and Shipping:
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
Email us to get a quote: email@example.com