Steps for Circuit Board Assembly

Step1: Customer submits files

Step2: Jinseo Electronic sources parts and boards (or customer provides all or some parts)

Step3: BOM and files review/verification

Step4: Machine programming

Step5: Incoming parts and boards inspection

Step6: Assembly order

Step7: Automated optical inspection (AOI) 

Step8: X-ray test (if necessary)

Step9: After a thorough quality testing, the boards are delivered to the end customers. 

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How to Get A Quote ?

· CAD-Generated BOM List in .xls, .xlsx, .csv, or tab-delimited text document (the information should be in a machine-readable format). The BOM needs reference designators, value, package/decal, description, and (manufacturer) part number. Learn how to do BOMs right here.


· Gerber files as generated by your CAD program.  For any side with SMT parts we need three layers: copper, paste, and silkscreen (lengend).


· Your quantity and lead-time requirement.


How to Place An Order?

Placing an order for printed circuit boards assembly can be done via email. We need: 


· Gerber Files and  Excellon (or NC drill) files

Please include all Gerber files (copper, silkscreen, solder paste, solder mask layers etc.).


· Bill Of Materials (BOM) Please send us your BOM in a Excel format. Your BOM should include:

* Quantity of each part

* Manufacturer part number (MFG PN)

* Reference designator(s)

* Part description

* value

* Decal/package/Footprint (Optional)


· Centroid File (also known as Pick and place file or XYRS information)

It should include component locations, rotations and reference designators.

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