Offer High Quality PCB Fabrication Services By EastwinPCBA

                                                        <<–Trusted by thousands of PCB assembly, design & engineering companies
EastwinPCBA offer inexpensive PCBs for quantities as little as 1 piece to as high as 5,000 pieces. In addition, our PCB designers look over every design for potential mistakes. This service can’t be found at most PCB fabrication houses. Also, we follow very strict PCB manufacturing workflow to ensure the high quality delivery.

EastwinPCBA PCB Fabrication
EastwinPCBA PCB Fabrication

EastwinPCB’s customers come from a large variety of industries and business segments, such as semiconductor, enterprise computing, networking and telecommunications, wireless markets, medical and biological, industrial and embedded systems, network storage, automotive electronics, digital toys, laboratory instruments, etc. That is why you can rely on our PCB manufacturing and PCB assembly services. As herein, we place PART of our customer cases for your reference. We can do than you imagine. In general, our global customers have following impressions of our services: quick response, reasonable price level, top customer perspective, quality commitment.

Custom Circuit Board’s prototype PCB Fabrication capabilities.

Please review the PCB fabrication capabilities listed below. However, keep in mind that we are in the process of updating all our PCB manufacturing capabilities. Use the below capabilities as the “minimum case scenario” for what we are able to manufacture in-house.

Custom Circuit Boards is a full-service quick turn PCB manufacturer located in China with the capabilities to fabricate your prototype and production quantity printed circuit boards. Feel free to contact us to see if we are able to manufacture your board specs. Send us your zipped Gerber files (RS-274X format) and our sales team will provide you with a fast and accurate PCB quote.

Eastwin PCB Fabrication Capability
No Item PCB Process Capability
1 Base material Normal TG FR4, High TG FR4, PTFE, Rogers, Low Dk/Df etc.
2 Solder mask color green, red, blue, white, yellow, purple,black
3 Legend color white, yellow, black, red
4 Surface treatment type ENIG, Immersion tin, HAF, HAF LF, OSP, flash gold, gold finger, sterling silver
5 Max. layer-up(L) 50
6 Max. unit size (mm) 620*813 (24″*32″)
7 Max. working panel size (mm) 620*900 (24″x35.4″)
8 Max. board thickness (mm) 12
9 Min. board thickness(mm) 0.3
10 Board thickness tolerance (mm) T<1.0 mm: +/-0.10mm ;  T≥1.00mm: +/-10%
11 Registration tolerance (mm) +/-0.10
12 Min. mechanical drilling hole diameter (mm) 0.15
13 Min. laser drilling hole diameter(mm) 0.075
14 Max. aspect(through hole) 15:1
Max. aspect(micro-via) 1.3:1
15 Min. hole edge to copper space(mm) L≤10, 0.15;L=12-22,0.175;L=24-34, 0.2;L=36-44, 0.25;L>44, 0.3
16 Min. Inner layer clearance(mm) 0.15
17 Min. hole edge to hole edge space(mm) 0.28
18 Min. hole edge to profile line space(mm) 0.2
19 Min. Inner layer copper to profile line space (mm) 0.2
20 Registration tolerance between holes (mm) ±0.05
21 Max. finished copper thickness(um) Outer Layer: 420   (12oz)
Inner Layer: 210   (6oz)
22 Min. trace width (mm) 0.075 (3mil)
23 Min. trace space (mm) 0.075 (3mil)
24 Solder mask thickness (um) line corner :  >8 (0.3mil)
upon copper: >10 (0.4mil)
25 ENIG golden thickness (um) 0.025-0.125
26 ENIG nickle thickness (um) 3-9
27 Sterling silver thickness (um) 0.15-0.75
28 Min. HAL tin thickness (um) 0.75
29 Immersion tin thickness (um) 0.8-1.2
30 Hard-thick gold plating gold thickness  (um) 1.27-2.0
31 golden finger plating gold thickness (um) 0.025-1.51
32 golden finger plating nickle thickness(um) 3-15
33 flash gold plating gold thickness (um) 0,025-0.05
34 flash gold plating nickle thickness  (um) 3-15
35 profile size tolerance (mm) ±0.08
36 Max. solder mask plugging hole size (mm) 0.7
37 BGA pad (mm) ≥0.25 (HAL or HAL Free:0.35)
38 V-CUT blade position tolerance (mm) +/-0.10
39 V-CUT position tolerance (mm) +/-0.10
40 Gold finger bevel angle tolerance (o) +/-5
41 Impedance tolerance (%) +/-5%
42 Warpage tolerance (%) 0.75%
43 Min. legend width  (mm) 0.1
44 Fire flame class 94V-0
Special for Via in pad products Resin plugged hole size (min.) (mm) 0.3
Resin plugged hole size (max.) (mm) 0.75
Resin plugged board thickness (min.) (mm) 0.5
Resin plugged board thickness (max.) (mm) 3.5
Resin plugged maximum aspect ratio 8:1
Resin plugged minimum hole to hole space (mm) 0.4
Can difference hole size in one board? yes
Max. panel size (finished) (mm) 880 ×580
Max. working panel size (mm) 914 × 602
Max. board thickness (mm) 12
Max. layer-up(L) 40
Aspect 30:1 (Min. hole: 0.4 mm)
Line wide/space (mm) 0.075/ 0.075
Back drill capability Yes
Tolerance of back drill (mm) ±0.05
Tolerance of  press fit holes (mm) ±0.05
Surface treatment type OSP, sterling silver, ENIG
Rigid-flex board Hole size (mm) 0.2
Dielectrical thickness (mm) 0.025
Working Panel size (mm) 350 x 500
Line wide/space (mm) 0.075/ 0.075
Stiffener Yes
Flex board layers (L) 8 (4plys of flex board)
Rigid board layers (L) ≥14
Surface treatment All
Flex board in mid or outer layer Both
Special for HDI products Laser drilling hole size (mm) 0.075
Max. dielectric thickness (mm) 0.15
Min. dielectric thickness (mm) 0.05
Max. aspect 1.5:1
Bottom Pad size (under micro-via) (mm) Hole size+0.15
Top side Pad size ( on micro-via) (mm) Hole size+0.15
Copper filling or not (yes or no) (mm) yes
Via in Pad design or not ( yes or no) yes
Buried hole resin plugged (yes or no) yes
Min. via size can be copper filled (mm) 0.1
Max. stack times 4

EastwinPCBA  introduce Advanced factory facilities

EastwinPCBA Advanced Factory
EastwinPCBA Advanced Factory

EastwinPCBA  introduce Advanced factory facilities, including PCB and PCBA equipments (Acid Copper Through-hole Plating, CNC Drilling, PCB Etching Machine, PCB Milling Machine, Surface Mount Machine, Reflow Oven, Automated Optical Inspection (AOI), Wave Soldering) and a scientific system of management, through which your PCB and PCB assembly requirements can be fulfilled in high quality and accordance of international standards.

Once you have completed PCB manufacturing course, now it’s time to prepare incoming materials according to BOM list and start up the PCB assembly phase or check back the PCB design. Also for more details, you can review more of our services.