About 3AE

About us

3AE Electronics Co., Ltd. was established in 1990 and is located in Nankan, Taoyuan, Taiwan. Since its inception, we have been dedicated to the design and manufacturing of Printed Circuit Boards (PCBs) and have become one of the leading companies in the field.

Our company is equipped with modern production facilities and advanced manufacturing technologies to ensure that we can provide high-quality and reliable PCB products to our customers. Our team consists of experienced professionals who possess deep technical knowledge and expertise to meet various customer needs.


THREE ALLIES PCB Membership of :


General Information

Established 1990
Factory Location Nankan, Taoyuan, Taiwan
Certificates  ISO9001、UL
Layer Count 1~50 layer
Small drilled hole  .004”
Small line/spac .002”/.002”
Max. board size  <42 “
Blind/Buried via .004
Dimension accuracy +/- .004”
Control impedance +/-5%
Aspect Ratio 12:1

Prototype Lead Time

  • 1 - 2 layers : 3-5 Business days + 2 days transit
  • 4 - 8 layers : 7-10 Business days + 2 days transit
  • Up to 8 layer: The number of working days to be evaluated + 2 days transit

Main business

  • Specialized for Circuit in Antenna, 5G, Medical fields.
  • SMT for samples to large volumes


Process capability

Category Describe Process capability
File format Gerber files 274-X, DPF
Drill file Corresponding X,Y locations and hold diameters
PCB Thickness Standard PCB Thickness 1.6mm +/- 10% (0.062" +/- 10%)
Single/double-side PCB: 0.2mm +/- 0.1mm (0.008" +/- 0.004")
Min. thickness 4-layer PCB: 0.4mm +/- 0.1mm (0.016" +/- 0.004")
6-layer PCB: 0.6mm +/- 0.1mm (0.024" +/- 0.004")
8-layer PCB: 0.9mm +/- 0.1mm (0.036" +/- 0.004")
10-layer PCB: 1.0mm +/- 0.12mm (0.04" +/- 0.005")
12-layer PCB: 1.2mm +/- 0.12mm (0.048" +/- 0.005")
Max. thickness 6.0mm +/- 10%(0.236" +/- 10% )
Warp of PCB < 7/1000
PCB meaterial Materials FR-4、High TG FR-4、ISOLA、ROGERS、Panasonic
FR4 Thickness (standard) 1.6mm (0.062")
High TG FR4 (standard) 1.6mm (0.062")
Metal board Aluminum substrate, copper substrate
Max. number of layers 36 layers
Cutting Min. thickness of inner layers 0.0508mm (0.002")
Minimum size 0.1mm (0.004")laser drill
0.15mm(0.006")mechanical drill→Mass: 0.2mm(0.008")
Maximum size 6.35mm
Drills Drill hole deviation +/- 0.002" (0.050mm)
PTH diameter tolerance +/- 0.003" (0.075mm)
Non-PTH diameter tolerance +/- 0.002" (0.050mm)
Annual ring isolation +/- 0.005" (0.127mm)
Copper plating Min. hole copper 0.0008"
Aspect ratio 1:20
Etching Trace width tolerance +/- 20% (impedance control +/- 1mil)
Min. trace width/spacing(1oz)copper base 1/3oz 0.0025"/ 0.0025" (0.1mm)→Mass:0.004"/0.004"
Min. trace width/spacing(1oz)copper base 1/2oz 0.004"/ 0.004" (0.1016mm)
Min. trace width/spacing(2oz) 0.007"/ 0.007" (0.18mm)
Min. trace width/spacing(3oz) 0.010"/ 0.010" (0.254mm)
Min. trace width/spacing(4oz) 0.013"/ 0.013" (0.3302mm)
Inner layer MIn. clearance between hole and inner trace 0.006"(0.15mm)
Min. inner hole isolatioin ring 0.006"(0.15mm)
Inter-layer Reqistration +/- 0.003"(0.08mm)
Solder Mask Color Green, Light gree, matt green, white, black, yellow, red, blue, clear
Min. line width 0.003"
Min. height/width 0.001"
Silkscreen Color White, black, yellow, red, blue, green
Min. line width 0.004"
Min. height/width 0.024" / 0.032"
E-tests AOI Test Yes
Flying probe test Yes
Impedance control Tolerance 5~10%
Impedance tester POLAR CITS800S4
CNC Routing Form and hole expansion +/- 0.15mm (0.006")
CNC tolerance +/- 0.15mm (0.006")
V-Cut depth (board th. > =1.0mm ) +/- 0.1mm (0.004")
V-Cut deviation +/- 0.1mm (0.004")
Surface Finished Type HASL/ Lead-free HASL/ Immersion gold/ Immersion Silver/ Immersion tin/ OSP/ Full (selective)body gold plating/ Gold finger plating/ Carbon ink/ ENEPIG
Blind buried hole 3+N+3 Yes
Via in Pad Yes


2 Spindle drilling machine
Laser photogenerator laser photoplotter (LDI)  solder mask and layer print
Drilling machine
Vacuum Plugging Machine
Bonding machine
Horizontal Plating Line
Acidic etching machine、Alkali Etching machine
Exposure Machine
Routing Machine
Automatic inkjet printer
Fischerscope X-ray Xulm-240
Flying probe tester
Auto Optical Inspection(AOI)
LCR meter
Hole verifying machine
Toolmaker Microscope
Automated Vision Measuring Machine
Chloride Ionic Contamination Test Machine
Fixture Based Equipment
PCB AIO Dual Table


We strive for continuous innovation and self-improvement to address the rapidly changing market demands. We understand the importance of quality and, therefore, implement strict quality control and testing throughout the manufacturing process to ensure that every product meets the highest quality standards.


If you are interested in our services or have any further questions, please feel free to contact us. We look forward to establishing a long-term partnership with you and providing you with high-quality PCB products and services.