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[China]
Trade Verify
Address: 703, Yufeng building,7-9# Jinhai road, Yantian community,Xixiang street,Bao'an district, Shenzhen city
Contact name:
Shenzhen WonDa Technology Co., Ltd. |
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Verified Suppliers
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Brief introdution of our company
Shenzhen WonDa Technology Co., Ltd. is a professional pcb manufacturer ,our products include blank pcb, single sided pcb,d ouble sided pcb,multilayer pcb,flexible pcb,fr4 pcb,fr2 pcb,fr1 pcb,cem1 pcb,cem3 pcb,aluminum pcb,etc.
General Specifications Capability
| Article | Description | Capability |
| Size | Max.Finshed Size | 20.9”x24.4”(530mm x 620mm ) |
| Board Thickness | Standard | 0.004”to0.16 ” ±10% ( 0.1mmto4.0mm±10% ) |
| Min. | Single/ Double-sided:0.008”±0.004”(0.2mm ±0.1mm) | |
| 4-layer:0.01”±0.008”(0.4mm ±0.1mm) | ||
| 8-layer :0.01”±0.008”(0.4mm ±0.1mm) | ||
| Bow and twist | < 7/1000 | |
| Copper Weight | Outer Cu weight | 0.5oz ~ 3.0oz |
| Inner Cu wight | 0.5oz ~ 3.0oz | |
| Laminate Materials | FR-4,FR-1,,FR-2,CEM-1,CEM-3 | |
| Board Cutting | Max. number of layers | 8 |
| Min. thickness for inner layers (Cu thickness are excluded) | 0.003”(0.07mm) | |
| Drilling | Min. Size | 0.0078”(0.2mm) |
| Max. Size | 0.3”(8.0mm) | |
| Drill Deviation | ± 0.002” (0.050mm) | |
| PTH hole tolerance | ± 0.002” (0.050mm) | |
| NPTH hole tolerance | ± 0.002” (0.050mm) | |
| Plating | Min. hole size | 0.0008” (0.02mm) |
| Aspect ratio | 20(5:1) | |
| Solder Mask | Color | green,light green,white,black,dark brown,yellow,red,blue |
| Min. solder mask clearance | 0.003”(0.07mm) | |
| Thickness | 0.0005”-0.0007”(0.012mm-0.017mm) | |
| Silkscreen | Color | White,black,yellow,red,blue,green |
| Min. Size | 0.006” (0.15mm) | |
| Electrical testing | Flying Probe Tester | Y |
| Controlled Impedance | Tolerance | ±0.5% |
| Impedance tester | Tektronix TDS8200 | |
| Routing | End Mills Test | ± 0.006”(0.15mm) |
| CNC Tolerance | ± 0.004”(0.1mm) | |
| V-Cut Depth( residual thickness ) | FR-4(1/3+-0.1mm);FR-1,FR-2,CEM-1,CEM-3(1/2+-0.1mm) | |
| V-cut angle | 15°,18°,30° | |
| V-cut Shape | line,hole,V-shape | |
| Surface Finish | HASL,HASL pb free,immersion gold,immersion silver,immersion tin,O.S.P (Entek),S/G plating,ENEPIG,G/F plating,carbon… | |
| Gold Finger angle | 15° 30° 45° 60° | |
| Others | UL Cert. | Y |
| ISO Cert. | ISO9001 | |
| TS16949 | Y | |
| ISO14000 | Y | |
Testing Items
1.100% Electrical Test
2.100% Visual Inspection (including warp & twist check)
3.Dimensional Inspection (finished hole sizes, pcb profiles, etc)4.Microsection
5.Solderability Test (245±5ºC; 3-5 sec)
6.Thermal Test (288±5ºC; 10 sec. inspect delamination, etc)
7.Tape Test (adhesion test)
8.Peel Test (conductor peel strength)
9.Impedance Test
10.Ionic Contamination Test
Strict quality control system
