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Printed Circuit Board Assembly Capabilities

PCB Certifications
Good quality Printed Circuit Board
Good quality Printed Circuit Board
Customer Reviews
Moderate pricing and lead time is excellent. Durable PCB I've received. Serval sample order placed here for projects at work.

—— Detlef

The board quality is very good! I’m surprised with the low cost and quick delivery. It is totally out of my expectation. I will definitely come back.

—— Gundeep Singh

Really good quality PCB boards under strict QC system, will come back to them!

—— Juan Felipe Loaiza

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Printed Circuit Board Assembly Capabilities

FOISON PCB Capabilities Introduction

FOISONTECH CORPORATION LIMITED was a professional PCB manufacturer in pcb fields for many years in Shenzhen, and also fabricates high frequency and high difficult pcb circuit board. We have newest pcb machine like laser drill machine,can do min2mil line space and width for you.

With these top technology,we can meet all your requirements,such as 24 hours quick sample service,rogers&fr4 mixed compression,4-28 multilayer lamination,crossed blind buried vias hole and so on.

Any inquiry can feel free to send us to check if we are able to manufacture your boards.We have professional engineer with more than 10 years pcb working experience can understand all your detail requirements whatever Chinese or English.

Specifications Technology Notes
Number of Layers 1-28 Layers  
Board Materials

FR4 (Tg 135, 145, 170,180)
Rogers(RO4350,4003,5880,3003 etc.)

Taconic(TLY-5,TLY-3,TLY-8 etc.)

We keep these materials in stock.

If you need a material

that is not listed here,

please contact us and we can

order it for you.

Final PCB Thickness 2 Layer – Min .005" Max .250"
4 Layer – Min .015" Max .250"
6 Layer – Min .025" Max .250"
8 Layer – Min .031" Max .250"
10 Layer – Min .040" Max .250"
12 Layer – Min .047" Max .250"
14 Layer – Min .054" Max .250"
16 Layer – Min .062" Max .250"
18 Layer – Min .093" Max .250"
20 Layer – Min .125" Max .250"
22 Layer – Min .125" Max .250"
>24 Layer – Min .125" Max .250"
Core Thickness Min .0025"  
Maximum PCB Size 2 Layer 20" x 28"
Mulitlayer 16" x 26"

Minimum Conductor



Minimum Conductor



Minimum Drill Hole



Finish Plating /

Surface Finishes

HASL – Leaded Solder Tin/Nickel
HASL – Lead Free Solder
Electroless Soft Gold
Wire Bondable Soft Gold
Nickel Flash Gold
Electroless Nickel
Immersion Gold OSP
Electrolytic Nickel /Hard Gold and

Selective Gold
Immersion Silver
Immersion Tin
Carbon Ink


Finished Copper

– Outer Layers

1oz Cu – Min .004" Trace/Space
2oz Cu – Min .005" Trace Space
3oz Cu – Min .008" Trace/Space
4oz Cu – Min .010" Trace/Space
5oz Cu – Min .012" Trace/Space

We can manufacture higher

ounces of copper depending

on the specs.

Please let us know how much

you would like when sending

us your PCB specs.

Finished Copper

– Inner Layers

.5oz Cu – Min .004" Trace/Space
1oz Cu – Min .005" Trace/Space
2oz Cu – Min .006" Trace/Space
3oz Cu – Min .010" Trace/Space
4oz Cu – Min .012" Trace/Space

Inner Layer


Min .008"
Minimum Finished Hole Size


Final Thickness <=.062" – .006’

Hole Final Thickness .150" – .014" Hole


Final Thickness .093" – .010"

Hole Final Thickness .200" – .018" Hole


Final Thickness .125" – .012"

Hole Final Thickness .250" – .020" Hole

Gold Fingers 1 to 4 edges  
Solder Mask Type Per IPC-SM-840
LPI Soldermask
Peelable Soldermask
Solder Mask Colors Green/Green
Matte White
Matte Clear
Blue Top and Bottom Mix
Red One or Both Sides Mix
Silkscreen Type Thermal Cure Epoxy Ink
Silkscreen Colors White
Yellow Top and Bottom Mix
Red One or Both Sides Mix
CNC Functions

Scoring Edge to Edge Plated Counter bores
Skip Scoring – .250" Spacing Milling
30 or 60 Degree Score Angle Blind and

Buried Vias

30 to 100 Degree Countersink Controlled

Z Axis Route

15 to 45 Degree Gold Finger Bevel

Castellated Barrels

Counterbores Offset or Recessed Beveling
Plated Countersinks

Other PCB Services

Blind and Buried Vias
Plated Slots Specified Dielectric
Tented Vias Controlled Impedance
Solder mask Plugged Vias Via Caps

(Solder Mask)
Conductive Filled Vias

Quality / Testing

Inspect to IPC Class III Continuity Resistance

– 10 to 20 Ohms
Net List Test per IPC-356D Isolation


– 2 to 30 Megaohms
Test Voltage – 100 to 250 Volts Minimum

SMT Pitch 0.5 mm

Tolerances PTH Hole Size – +/- .002"
Front to Back – +/- .002"
NPTH Hole Size – +/- .001"
Solder Mask – +/- .002"
Tooling Holes – +/- .001"
Hole to Pad – +/- .005"
Contact Details
Foisontech Corporation Co., Limited

Contact Person: PCB INQUIRY

Tel: 86-755-27782693

Fax: 86-755-27860968

Send your inquiry directly to us (0 / 3000)