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Shenzhen Uniwell Circuits Co.,Ltd
28L Immersion Gold High TG FR4 Circuit Board

28L Immersion Gold High TG FR4 Circuit Board

28L immersion gold high tg FR4 circuit board 1.company information UNIWELL circuits is a professional PCB&PCBA manufacturer who has dedicated to printed circuit board designing, producing and PCB assembly service with 10 years experience, our company was founded in 2007, the factory is...

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1.Product describe

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Specification
Layer:28
Board thickness:2.0mm
Hole size:0.3mm
Trace width/space:4/4mil
Surface treatment:immersion gold

2.Company information
Uniwell circuits is a professional PCB&PCBA manufacturer who has dedicated to printed circuit board designing, producing and PCB assembly service with 10+ years experience, our company was founded in 2007, the factory is located at Shenzhen, China. After 10+ years developing, we are a top site PCB&PCBA manufacturer now in China with two modern production plants and more than 600 employees.

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3.Production capability
Uniwell circuits co., lTD. has invested in the best equipment, envirnoment and staff training. We have a production capability for standard and HDI ,Rigid,RF and high frequenly PCBs.  

Material

FR4,CEM-3,Metal Core,

Halogen Free, Rogers, PTFE

Max. Finishing Board Size

1500X610 mm

Min. Board Thickness

0.20 mm

Max. Board Thickness

8.0 mm

Buried / Blind Via (Non-cross)

0.1mm

Aspect ration

16:01

Min. Drilling Size(Mechanical)

0.20 mm

Tolerance PTH/ Pressing fit hole /NPTH

+/-0.0762 mm / +/-0.05mm / +/-0.05mm

Max. Layer Count

40

Max. copper (inner/outer)

6OZ/10 OZ

Drill tolerance

+/-2mil

Layer to layer registration

+/-3mil

Min. line width/space

2.5/2.5mil

BGA pitch

8mil

Surface treatment

HASL, Lead free HASL,

ENIG, Immersion silver/Tin, OSP

4.Quality system
1) Quality control system
The product conforms to the IPC - Ⅱ or IPC - Ⅲ standards
Use SPC control diagram to control quality process.
Implement PDCA cycle process to continuously improve product performance.
Established a perfect quality assurance inspection system, complete process with professional quality assurance personnel.
2) Certification of authority.
The company has passed iso9001:2008 quality management system certification, USA UL certification, 

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3) Equipment is perfect
It has copper thickness tester, oven, bench magnifying glass, analytical balance, gold image microscope and other equipment.
The newly introduced AOI detector, EM300 high speed flying needle test machine, Taiwan source secondary yuan, ion cleanliness tester, salt water spray test machine to ensure the reliability and stability of the product.

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