Detailed Photos

In strict accordance with the drilling process PIN - drilling - check control hole quality;
Exquisite copper sinking process to produce high quality printed circuit boards to meet various application requirements.

PCB copper sinking process beyond customer requirements.

Rigid PCB-Technical capacity

Item	Mass Producation	Small Batch Producation
Rigid Layer Counts	1-36	38-64
Flex Layer Counts	2-6	8-10
Rigid Flex Layer Counts	4 - 14	16 - 20
Standard Features
Max. board size (mm)	580*620	1200*600
Min. board size(mm)	10*10	5*10
Board thickness (mm)	0.2~8mm	0.2~8mm
Min. Line width/space (mil)	3/3mil	2.5/2.5mil
Outer Layer copper thickness (OZ)	0.5 OZ-7OZ	15 OZ
Inner layer copper thickness	1OZ-7OZ	12 OZ
Solder Mask color	Green, Blue, white, Black, Red, Yellow and so on
Carbon Ink Thickness(mil)	0.3mil	0.3mil
Impedance control tolerance	<=+/-10%	<=8+/-%
Min. SM bridge for green soldermask(MM)	0.1	0.076
Min. SM bridge for black soldermask(MM)	0.125	0.1
Tolerance of dimension size (MM)	<=+/-0.13	+/-0.1
Tolerance of board thickness (MM)	>=1.0 +/-10%	+/- 8%
	< 1.0  +/-0.1	+/- 8%
Tolerance of finished NPTH hole size(MM)	+/-0.05	+/-0.05
Tolerance of finished PTH hole size(MM)	+/-0.076	+/-0.05
Non-Conductive Via Fill (VIP)	Y	Y
Backdrilling	Y	Y
Hybrids & Mixed Dielectrics	Y	Y
HDI Features
Minimum Microvia Hole Size	100μm [0.004"]	75μm [0.003"]
Capture Pad Size	0.25mm [0.010"]	0.20mm [0.008"]
Maximum Aspect Ratio	0.7:1	1:1
Copper Filled Microvias	Y	Y
Stacked Microvias	Y	Y
Maximum No. of Buildup Layers	3+N+3	5+N+5

 

Delivery Time

Bare PCB
Layers	Quotation	Samples	1-10 m²	10-50 m²	≥50 m²
2	12H	5days	7days	10days	13days
4	12H	7days	8days	12days	15days
6	12H	8days	10days	13days	16days
8	12H	9days	12days	15days	18days
10	12H	10days	13days	18days	20days
...	...	...	...	...	...

PCB Assembly
Order Conditions	Standard Delivery Date	The Fastest Delivery Date
Prototype (<20 PCS)	2-3 days	12 hours
Small Volume (20-100 PCS)	4-5 days	24 hours
Medium Volume (100-1000 PCS)	6-8 days	36 hours
Mass Production (>1000 PCS)	Depends on BOM	Depends on BOM

 

Pre-Sale and After-Sale Service

√   7*24 hours order service............
√   7*24 hours delivery.....................
√   7*24 hours production run..........
√   7*24 hours technical support......
√   2 hours of complaint feedback...

All the right materials for your next project.
RoHS Compliant
Turn to USUN Circuit to manufacture RoHS-compliant PCBs. We typically use SYST,Nanya ,Rogers products, as well as other options right for your project.

Materials include:

Finishes include:

• Immersion Tin (Sn)
• Immersion Sliver (Ag)
• Immersion Gold (Au)
• ENTEK/OSP (Organic Solder Preservative)
• Leaded
• Leadfree HAL
• Soft bondable gold

• High Tg/High performance FR-4 material
• Halogen-free solder mask
• Lead-free surface finishes

 Contact Us for more information......
 

In 2023, USUN marks more than 16+ years of providing high-quality PCB & PCBA services to the electronics industry.

USUN has a professional team that provides a flexible one-stop solution for your PCBA project, including PCB design, component procurement, PCBA assembly, Box construction, and functional testing.

> 0-64 Layers Rigid PCB
> Metal core board
> HDI board
> RF board
> PCB Assembly
> Quick to respond Flexible Price with 24 hours

> Capacity of production: 100,000 m2 /Monthly;
> Capacity orders & Ship out: 10,000~15,000 part numbers/Monthly;
> Product Application Area:Car, Industrial Control, Power supply & Communication fields.

> System certification: ISO9001,ISO14001,IATF16949,ISO13485,QC080000,ISO9001,UL CERT

USUN employs current state-of-the-art circuit board production equipment, brings together experienced professionals for management, and introduces the latest technologies to ensure reliable and fast product delivery to customers.

Q: What is needed for PCB/PCBA quotation?
A: For Bare PCB project, please provide Quantity, Gerber file and specification like material, surface finish treatment, copper thickness, board thickness, soldermask color and silkscreen color and other special 

Q: Are my files safe? 
A: Your files are held in complete safety and security. We protect the intellectual property for our customers in the whole process.. All documents from customers are never shared with any third parties. We are willing to sign NDA effect by customer side local law and promising to keep customers data in high confidential level. 

Q: What is your minimum order quantity (MOQ)? 
A:Our MOQ is 1 PCS, sample and mass production all can support. 

Q: How to calculate the shipping cost? 
A:The shipping cost is determined by the destination, weight, packing size of the goods. Please let us know if you need us to quote you the shipping cost. 

Q: What is your testing policy and how you control the quality? 
A:Regarding to PCB samples, usually tested by flying probe; for PCB Volume over 3 square meters, usually tested by Electrical fixture which is faster. As to PCBA production, there are automated optical inspection (AOI) for each batch, X-ray inspection for BGA parts, first article inspection(FAI) before mass production.