Welcome to GoldenCircuits !

We are professional PCB manufacturer as well as SMT PCB . We have substantially invested in new equipment, improving processes flow,concentrating quality control and organizational employees training in oder to improve customer services and manufacture quality products. Our accomplishments have been recognized with an issue of UL certificate(UL number E170968 ).

Application

Products SMT PCB are applied to a wide range of Hightech industries such as: LED, telecommunication, computer application, lighting, game machine, industrial control, power, automobile and high-end consumer electronics, ect. By unremitting work and effort to the marketing, products exports to American, Canada, Europe counties, Africa and other Asia-pacific countries.

What can we do for you ?

We can provide the products SMT PCB such as 1 to 30 layers,RoHS Compliant, UL-listed,Fine line 0.07mm min,Microvia 0.2mm min,Blind Vias & Buried Vias,Surface as Chemical Tin, Silver, Gold ,HASL,Falsh Gold,HASL lead free,For high current: 3 OZ Copper,Special material: AL Based,Rogers,FR4,FR4 HTG,CEM-1,SMD-stencils,A.O.I. (Automatic Optical Inspection),X-Ray (innerlayer misalignment control),Impedance Control with Testprotocol pcb assembly .

Advantage

1.Excellent quality and reasonable price .

2.PCB with high quality. strict test through AOI (Automated Optical Inspection),QA/QC, Flying Proble Test, E-test fixture

3.PCB with 10 years exporting experience as well as reputable after-sale services.

Lead time

Pcb assembly sample:Double-layer:1-3 days; Multi-layer:2-5 days

mass:Double-layer:2-7 days; Multi-layer:5-7days

Payment Term

Our capability as following

Productivity
Item	Technical standards
Rise	1-30layer
Material	CEM-1,CEM-3,FR-4,FR4 TG170,TG180 ,HALOGEN FREE
Lamellar	0.2mm-3.20m(8mil-126mil)
Minimum thickness	0.1mm(4mil)
Thick copper	0.5-6 OZ
Min line w / s	0.075mm(3mil)
Min Hole Side	0.20mm(8mil)
Min aperture Chong	0.9mm(35mil)
Tolerance	Hole drilling bit	±0.075mm(3mil)
	Linewidth	±0.05mm(2mil)Or width of ± 20%
	Aperture	PTH±0.075mm(3mil)
		NPTH±0.05mm(2mil)
	Shape tolerance	Milling Machine±0.15mm(6mil)
		Punch±0.10mm(4mil)
	Warp	0.70%-1.5%
Pad surface treatment	Nickel/Gold Finger Plating/Flash Gold /Entek/LEAD Free Hal
Insulation Resistance	10k-20MΩ
Conduction resistance	<50Ω
Test voltage	300v
V Engraved	Panle size	110*100mm(min.)660*600mm(max.)
	Thickness	0.6mm(24mil)min.
	Retention of the thickness	0.3mm(12mil)min.
	Tolerance	±0.1mm(4mil)
	Width	0.50mm(20mil)max.
	Trough to a line	0.5mm(20mil)min
Trough	Slot size tlo.≥2WTolerance	PTHL:±0.15mm(6mil)
		W:±0.1mm(4mil)
		NPTH: ±0.125mm(5mil)
		W: ±0.1mm(4mil)
To circular from the hole	PTH Hole: 0.13mm(5mil)	NPTH Hole: 0.18(7mil)
MLB	Circular deviation	0.075mm(3mil)
	Deviation between layers	4 layers: 0.15mm(6mil)max
		6 layers: 0.025mm(10mil)max.
	Aperture to the smallest distance from the inner circle	0.25mm(10mil)
	To circular from the hole	0.25mm(10mil)
	Thickness Tolerance	6 layers: ±0.15mm(6mil)
		6 layers: ±0.15mm(6mil)
	Characteristic Impedance	60Ω±10%

Qualifications

Manufacturing Equipments

Company structureWe will happy to answer any question you may raise within one working day,please feel freely to contact us!

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