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Introduction
PCB Assembly is a process that requires knowledge not just of PCB components and assembly but also of printed circuit board design, PCB fabrication and a strong understanding of the final product. Circuit board assembly is just one piece of the puzzle to delivering the perfect product the first time.
San Francisco Circuits is a one-stop solution for all circuit board services so we are often entrenched with the PCB production process from design to assembly. Through our strong network of well-proven circuit assembly and manufacturing partners, we can provide the most advanced and nearly limitless capabilities for your prototype or production PCB application. Save yourself the trouble that comes with the procurement process and dealing with multiple components vendors. Our experts will find you the best parts for your final product.
PCB Assembly Services:
Quick-turn prototype assembly
Turn-key assembly
Partial turn-key assembly
Consignment assembly
RoHS compliant lead-free assembly
Non-RoHS assembly
Conformal coating
Final box-build and packaging
PCB Assembly Process
Drilling-----Exposure-----Plating-----Etaching & Stripping-----Punching-----Electrical Testing-----SMT-----Wave Soldering-----Assembling-----ICT-----Function Testing-----Temperature & Humidity Testing
Testing Services
X-Ray (2-D and 3-D)
BGA X-Ray Inspection
AOI Testing (Automated Optical Inspection)
ICT Testing (In-Circuit Testing)
Functional Testing (at the board & system level)
Flying Probe
Capabilities
Surface Mount Technology / Parts (SMT Assembly)
Through-Hole Device / Parts (THD)
Mixed Parts: SMT & THD assembly
BGA / Micro BGA / uBGA
QFN, POP & lead-less chips
2800 pin-count BGA
0201 / 1005 passive components
0.3 / 0.4 Pitch
PoP Package
Flip-chip under-filled CCGA
BGA Interposer / Stack-up
and more…
Product Details:
Payment & Shipping Terms:
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| High Light: | printed circuit board assembly,pcb prototype assembly |
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Details:
1. One of the largest and professional PCB (Printed Circuit Board) manufacturers in China with over 500 staff and 20 years’experience.
2. All kinds of surface finish is accepted,such as ENIG,OSP.Immersion Silver, Immersion Tin, Immersion Gold, Lead-free HASL,HAL.
3. BGA,Blind&Buried Via and Impedance Control is accepted.
4. Advanced production equipment imported from Japan and Germany,such as PCB Lamination Machine, CNC drilling machine,Auto-PTH line,AOI(Automatic Optic Inspection),Probe Flying Machine and so on.
5. Certifications of ISO9001:2008,UL,CE,ROHS,REACH,HALOGEN-FREE is meet.
6. One of the professional SMT/BGA/DIP/PCB Assembly manufacturers in China with 20 years’experience.
7. High speed advanced SMT lines to reach chip +0.1mm on integrated circuit parts.
8. All kinds of integrated circuits is available,such as SO, SOP, SOJ, TSOP, TSSOP, QFP, BGA and U-BGA.
9. Also available for 0201 chip placement, through-hole components insertion and finished products fabrication, testing and package.
10. SMD assembly and through-hole components insertion is accepted.
11. IC preprogramming is also accepted.
12. Available for Function verification and burn in testing.
13. Service for complete unit assembly,for example,plastics, metal box, coil, cable inside .
14. Environmental conformal coating to protect finished PCBA products.
15. Providing Engineering service as end of life components, obsolete component replace and design support for circuit, metal and plastic enclosure.
16. Functional testing,repairs and inspection of the sub-finished and finished goods.
17. High mixed with low volume order is welcomed.
18. Products before delivery should be full quality checked, striving to 100% perfect.
19. One-stop service of PCB and SMT(PCB assembly) is supplied to our customers.
20. Best service with punctual delivery is always provided for our customers.
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Key Specifications/Special Features |
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1 |
We SYF have 6 PCB production lines and 4 advanced SMT lines with high speed. |
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All kinds of integrated circuits are accepted,such as SO, SOP, SOJ, TSOP, TSSOP, QFP, DIP, CSP,BGA and U-BGA , Because Our placement precision can reach chip +0.1mm on integrated circuit parts. |
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3 |
We SYF can provide service of 0201 chip placement, through-hole components insertion and finished products fabrication, testing and packaging. |
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SMT/SMD assembly and through-hole components insertion |
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5 |
IC preprogramming |
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6 |
Function verification and burn in testing |
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Complete unit assembly (which including plastics, metal box, coil, cable inside and more) |
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Environmental coating |
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Engineering including end of life components, obsolete component replace and design support for circuit, metal and plastic enclosure |
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Packaging design and production of customized PCBA |
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11 |
100% quality assurance |
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12 |
High mixed, low volume order is also welcomed. |
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Full component procurement or the substitute components sourcing |
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UL,ISO9001:2008, ROSH ,REACH,SGS,HALOGEN-FREE compliant |
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PRODUCTION CAPABILITY OF PCB ASSEMBLY |
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Stencil Size Range |
756 mm x 756 mm |
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Min. IC Pitch |
0.30 mm |
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Max. PCB Size |
560 mm x 650 mm |
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Min. PCB Thickness |
0.30 mm |
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Min. Chip Size |
0201 (0.6 mm X 0.3 mm) |
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Max. BGA Size |
74 mm X 74 mm |
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BGA Ball Pitch |
1.00 mm (Min) / F3.00 mm (Max) |
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BGA Ball Diameter |
0.40 mm (Min) /F1.00 mm (Max) |
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QFP Lead Pitch |
0.38 mm (Min) /F2.54 mm (Max) |
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Frequency of Stencil Cleaning |
1 time / 5 ~ 10 Pieces |
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Type of Assembly |
SMT and Thru-hole |
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Solder Type |
Water Soluble Solder Paste,Leaded and Lead-free |
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Type of Service |
Turn-key,Partial Turn-key or consignment |
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File Formats |
Bill of Materials(BOM) |
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Gerber Files |
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Pick-N-Places(XYRS) |
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Components |
Passive Down to 0201 Size |
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BGA and VF BGA |
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Leadless Chip Carries/CSP |
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Double Sided SMT Assembly |
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BGA Repair and Reball |
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Part Removal and Replacement |
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Component Packaging |
Cut Tape,Tube,Reels,Loose Parts |
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Testing Method |
X-RAY Inspection and AOI Test |
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Order of Quantity |
High Mixed,Low Volume Order is also welcomed |
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Remarks: In order to get accurate quote,the following information is required |
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1 |
Complete Data of Gerber Files for the Bare PCB Board. |
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2 |
Electronic Bill of Material(BOM) / Parts list detailing manufacturer's part number, quantity usage of components for reference. |
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3 |
Please state whether we can use alternative parts for passive components or not. |
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4 |
Assembly Drawings. |
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5 |
Functional Test Time Per Board. |
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Quality Standards Required |
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7 |
Send Us Samples (if available) |
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8 |
Date of the quote needs to be submitted |
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PRODUCTION CAPABILITY OF PCB |
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ITEMS Item |
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Laminate |
Type |
FR-1,FR-5,FR-4 High-Tg,ROGERS,ISOLA,ITEQ, |
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Thickness |
0.2～3.2mm |
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Production Type |
Layer Count |
2L-16L |
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Surface Treatment |
HAL,Gold Plating,Immersion Gold,OSP, |
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Cut Lamination |
Max. Working Panel size |
1000×1200mm |
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Inner Layer |
Internal Core Thickness |
0.1～2.0mm |
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Internal width/spacing |
Min: 4/4mil |
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Internal Copper Thickness |
1.0~3.0oz |
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Dimension |
Board Thickness Tolerance |
±10% |
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Interlayer Alignment |
±3mil |
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Drilling |
Manufacture Panel Size |
Max: 650×560mm |
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Drilling Diameter |
≧0.25mm |
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Hole Diameter Tolerance |
±0.05mm |
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Hole Position Tolerance |
±0.076mm |
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Min.Annular Ring |
0.05mm |
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PTH+Panel Plating |
Hole Wall copper Thickness |
≧20um |
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Uniformity |
≧90% |
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Outer Layer |
Track Width |
Min: 0.08mm |
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Track Spacing |
Min: 0.08mm |
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Pattern Plating |
Finished Copper Thickness |
1oz～3oz |
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EING/Flash Gold |
Nickel Thickness |
2.5um~5.0um |
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Gold Thickness |
0.03~0.05um |
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Solder Mask |
Thickness |
15～35um |
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Solder Mask Bridge |
3mil |
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Legend |
Line width/Line spacing |
6/6mil |
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Gold Finger |
Nickel Thickness |
≧120u〞 |
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Gold Thickness |
1～50u〞 |
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Hot Air Level |
Tin Thickness |
100～300u〞 |
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Routing |
Tolerance of Dimension |
±0.1mm |
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Slot Size |
Min:0.4mm |
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Cutter Diameter |
0.8～2.4mm |
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Punching |
Outline Tolerance |
±0.1mm |
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Slot Size |
Min:0.5mm |
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V-CUT |
V-CUT Dimension |
Min:60mm |
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Angle |
15°30°45° |
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Remain Thickness Tolerance |
±0.1mm |
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Beveling |
Beveling Dimension |
30～300mm |
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Test |
Testing Voltage |
250V |
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Max.Dimension |
540×400mm |
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Impedance Control |
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±10% |
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Aspect Ration |
12:1 |
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Laser Drilling Size |
4mil(0.1mm) |
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Special Requirements |
Buried And Blind Via, Impedance Control, Via Plug, |
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OEM&ODM Service |
Yes |
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Contact Person: Miss. aaa
Tel: 86 755 8546321
Fax: 86-10-66557788-2345
