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SEM Car Player Prototype pcb assembly shenzhen Custom printed Circuit Boards,Support SMT DIP Assembly,UL/ROHS/ ISO9001
Features
PCB Technical capability
SMT | Position accuracy:20 um |
Components size:0.4×0.2mm(01005) —130×79mm,Flip-CHIP,QFP,BGA,POP | |
Max. component height::25mm | |
Max. PCB size:680×500mm | |
Min. PCB size:no limited | |
PCB thickness:0.3 to 6mm | |
PCB weight:3KG | |
Wave-Solder | Max. PCB width:450mm |
Min. PCB width: no limited | |
Component height:Top 120mm/Bot 15mm | |
Sweat-Solder | Metal type :part, whole, inlay, sidestep |
Metal material:Copper , Aluminum | |
Surface Finish:plating Au, plating sliver , plating Sn | |
Air bladder rate:less than20% | |
Press-fit | Press range:0-50KN |
Max. PCB size:800X600mm | |
Testing | ICT,Probe flying,burn-in,function test,temperature cycling |
Prototype PCB Assembly Process
PCB design and manufacturing:
Work with PCB designers to create schematics and layouts for prototype PCBs.
Complete the PCB design, considering component placement, trace
routing, and any special requirements.
Send design files to PCB manufacturer for rapid prototyping.
Receive the bare prototype PCB from the manufacturer and inspect it for any defects.
Component procurement:
Identify required electronic components such as ICs, resistors,
capacitors, and connectors.
Purchase the necessary components, usually from a distributor or
online source that offers components in small quantities.
Ensure components are compatible with the PCB design and meet the
project's specifications.
Manual PCB assembly:
Prepare the PCB for assembly by cleaning the surface and applying
solder paste to the component pads.
Components are manually placed and soldered to the PCB using a
soldering iron or hot air rework station.
Visually inspect the assembled PCB to ensure correct component
placement and solder joints.
Optional automated assembly process:
For larger prototype quantities or more complex PCBs, consider
using a semi-automated or automated assembly process such as:
Stencil printing for solder paste applications
Pick and place machines for component placement
Reflow soldering in a convection oven
Testing and Troubleshooting:
Perform various tests to verify prototype PCB functionality and reliability, such as:
Electrical testing (e.g. continuity, resistance, voltage and
current measurements)
Functional testing to ensure PCB meets design specifications
Troubleshoot any issues found during testing and make necessary
modifications to the PCB design or assembly process.
Iterative design and assembly:
Make any necessary design modifications to the PCB based on test
results and feedback.
Repeat the manufacturing and assembly process with an updated
design.
Continue this iterative process until the prototype PCB meets all required specifications and performance goals.
Final packaging and documentation:
Pack prototype PCBs for safe storage and shipping.
Provide any necessary documentation such as assembly instructions,
schematics, and test reports.
Key considerations for prototyping PCB assembly:
Emphasis on rapid turnaround and flexibility to accommodate design
changes
Produce initial prototypes using manual assembly techniques such as
through-hole soldering
Utilize low-volume component procurement to support the prototyping
process
Conduct thorough testing and troubleshooting to identify and
resolve design or assembly issues
Close collaboration among PCB designers, assemblers and project
stakeholders
The prototype PCB assembly process is critical to validating the design, identifying
any issues and improving the product before entering full
production. It allows for rapid iteration and testing to ensure
that the final PCB design meets the project's requirements.
PCB Pictures