Q: What does MJ need for a customized PCB order?
A: When you place a PCB order, the customers need to provide Gerber or pcb file. If you do not have the file in the correct format, you can send all the details related to the products.
Q: What does MJ need for a customized PCBA order?
A: When you place a PCBA order, you need to provide Gerber or pcb file and the BOM list to MJ.
Q: What is your quotation policy?
A: For the PCB order in large quantity, MJ will send you the quotation based on the MOQ of the products concerned.
Q: What does MJ need for other services?
A: For PCB clone service, the customer needs to send us the printed circuit board concerned, and also the sharp photos of its front side and the back side.
Q: How about the service MJ offered to the customers?
A: If you have any questions about our products or company, do not hesitate to send us your inquiry to our customer service representatives. Your satisfaction is our pursuits.
Manufacturing capability |
| NO | Item | Specification |
| 1 | Layer | 1--20 | | |
| 2 | Maximum Panel Size | | | 541*647mm |
| 3 | Min Finished Hole Size | | 0.006″ | 0.15mm |
| Finished Hole Size | PTH | ±0.003″ | ±0.075mm |
| NPTH | ±0.002″ | ±0.050mm |
| Hole Position Accuracy | | ±0.003″ | ±0.075mm |
| Ring Annulus | | | Min 0.1mm |
| Aspect Ratio | | | Min 1:8 |
| 4 | Minimum Line Width/Space | 1/2 OZ(18um) | 0.004″/0.004″ | 0.08/0.08mm |
| 1 OZ(35um) | 0.005″/0.006″ | 0.125/0.15mm |
| 2 OZ(70um) | 0.006″/0.008″ | 0.15/0.20mm |
| 3 OZ(105um) | 0.008″/0.010″ | 0.20/0.25mm |
| 5 | Solder Mask Registration | | ±0.003″ | ±0.075mm |
| Layer to Layer Registration | | ±0.003″ | ±0.075mm |
| Cooper to Feature to Holes Registration | | ±0.003″ | ±0.075mm |
| 6 | Dimension Tolerance | | ±0.004″ | ±0.10mm |
| Edge to Edge Tolerance | | ±0.004″ | ±0.10mm |
| Holes to Edge | | ±0.004″ | ±0.10mm |
| Cooper to Edge Distance (minA) | Outer | ±0.008″ | ±0.20mm |
| Inner | ±0.016″ | ±0.40mm |
| 7 | Maximum Cooper Thickness | | 4OZ | 140um |
| 8 | Board Thickness | | 0.0196″ | 0.5-3.2mm |
| 9 | Minmum Core Thickness | | | 0.07mm |
| 10 | Sodermask Dam (min) | | | 0.09mm |
| 11 | Controlled Impedance (0hm) | | | ±7-10% |
Dalian MJ has rich experience in multilayer PCB and single or double sided PCB assembly. Backed by our advanced techniques and experienced production staff, MJ makes sure that all the layers in the multilayer PCB are perfect insulated between each other and every conductor pattern functions well. The R&D team in MJ does a wonderful job and we can provide PCB products to our customers according to their design or requirements. All our products, including PCB, are passed the certification of SGS, TS, RoHS and UL.
Dalian MJ can also manufacture and supply Aluminum PCB, Flexible PCB, fast PCB and the PCB/PCBA design and copy service to our customers.
