A Populated Printed Circuit Board (PCB) refers to a circuit board that has been assembled with electronic components such as resistors, capacitors, integrated circuits, and other active or passive devices. The process of populating a PCB involves placing and soldering the components onto the board to create a functional electronic circuit.
Populated PCBs are a crucial intermediate stage in the manufacturing of electronic products. Once the components are assembled onto the PCB, it can be further integrated into a larger electronic system or product. The populated PCB forms the foundation of the electronic assembly and is a key component in the production of various electronic devices and equipment.
The assembly of a populated PCB can involve various techniques such as surface mount technology (SMT) for mounting components directly onto the board’s surface, through-hole technology for inserting components through pre-drilled holes, or a combination of both methods. The populated PCB is then subjected to inspection and testing to ensure the quality and functionality of the assembled components.
In summary, a populated printed circuit board is a critical stage in the manufacturing process of electronic products, representing the assembly of electronic components onto a PCB to create a functional electronic circuit.
What is circuit PCB assembly service?
Printed circuit board assembly is the process of connecting the electronic components with the wirings of printed circuit boards. The traces or conductive pathways engraved in the laminated copper sheets of PCBs are used within a non-conductive substrate in order to form the assembly. Attaching the electronic components with the printed circuit boards is the concluding action before using the fully operational electronic device
Who are we?
Technical Requirement for pcb assembly:
1) Professional Surface-mounting and Through-hole soldering Technology
2) Various sizes like 1206, 0805, 0603 components SMT technology
3) ICT(In Circuit Test),FCT(Functional Circuit Test) technology.
4) PCB Assembly With CE, FCC, Rohs Approval
5) Nitrogen gas reflow soldering technology for SMT.
6) High Standard SMT&Solder Assembly Line
7) High density interconnected board placement technology capacity.
Specification
NO. | Items | Capabilities |
1 | Layers | 2-68L |
2 | Maximum machining size | 600mm*1200mm |
3 | Board thickness | 0.2mm-6.5mm |
4 | Copper thickness | 0.5oz-28oz |
5 | Min trace/space | 2.0mil/2.0mil |
6 | Minimum finished aperture | 0. 10mm |
7 | Maximum thickness to diameter ratio | 15:1 |
8 | Via treatment | Via, blind&buried via, via in pad, Copper in via … |
9 | Surface finish/treatment | HASL/HASL lead free, Chemical tin, Chemical Gold, Immersion gold Inmersion Silver/Gold, Osp, Gold Plating |
10 | Base Material | FR408 FR408HR, PCL-370HR;IT180A, Megtron 6(Panasonic);Rogers4350, Rogers4003, RO3003, Rogers/Taconic/Arlon/Nelco laminate with FR-4 material(including partial Ro4350B hybrid laminating with FR-4) |
11 | Solder mask color | Green.Black.Red.Yellow.White.Blue.Purple.Matte Green. Matte Black |
12 | Testing Service | AOI, X-Ray, Flying-Probe, Function Test, First Article Tester |
13 | Profiling Punching | Routing,V-CUT,Beveling |
14 | Bow&twist | ≤0.5% |
15 | HDI type | 1+n+1,2+n+2,3+n+3 |
16 | Min mechanical aperture | 0.1mm |
17 | Min laser aperture | 0.075mm |
FAQ
Q: What is your inspection policy? How do you control the quality? XHT: In order to ensure the quality of PCB products, flying probe inspection is usually used; electrical fixtures, automatic optical inspection (AOI), BGA parts x-ray inspection, first article inspection ( FAI) etc. |
Q: What service do you have? XHT: We provide turnkey solution including RD, PCB fabrication, SMT, final assembly,testing and other value-added service. |
Q: What are the main products of your PCB/PCBA services? XHT: Our PCB/PCBA services are mainly for the industries including Medical, Automotive, Energy, Metering/Measurements, Consumer Electronics. |
Q: Is XHT a factory or trade company? XHT:XHT is a factory with PCB factory located in Senzhen and SMT assembly factories in both Shenzhen and Chengdu. |
Q: Can we inspect quality during production? XHT: Yes, we are open and transparent on each production process with nothing to hide. We welcome customer inspect our production process and check in house. |
Q: How can we ensure our information should not let third party to see our design? XHT: We are willing to sign NDA effect by customer side local law and promising to keep customers data in high confidential level. |