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Shenzhen Uniwell Circuits Co.,Ltd


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Shenzhen Uniwell Circuits Co.,Ltd

Flash Drive PCB

Flash drive PCB 1.Company Information Uniwell Circuits is a leading printed circuit board manufacturer in China,specialized in Printed Circuit Board & PCB Assembly, function test and complete assembly for customer through out the world. All of our base materials are best meet Rohs and UL...

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Flash drive PCB
1.Product description 


Layer: 2  
Board Thickness: 1.6 mm
Surface treatment: LF HASL.
Material: FR4 .
Min line width/line distance: 20/20mil
Min hole: 0.78mm
Used in: USB

Uniwell take the high technology as a starting point, the use of first-class equipment and raw material production and sales of high precision ,high density multi-layer LCD as our products and technology development direction, build up the company:" line Possess first-class PCB enterprise" as our vision ,to provide high quality electronic information industry PCB production Satisfactory products and sincere service" as our pursuit.When you order PCBs from Uniwell, you are buying quality that pays for itself over time. This is guaranteed through a product specification and quality control that is far more stringent than other suppliers, and ensures that the product delivers what it promises.

2.Company information
Uniwell Circuits is a leading printed circuit board manufacturer in China,specialized in Printed Circuit Board & PCB Assembly, function test and complete assembly for customer through out the world. All of our base materials are best meet Rohs and UL international certification, and we follow the standard to process every step. Devote ourself to 10-year OEM PCB & PCBA .We rely heavily on customer and manufacturing feedback to produce a world-class production, Our staff love providing professional solution customer to reduce product cost without sacrifice quality, you will find great business partner and high quality with competitive price here, Uniwell will be your right choice. Any concerns, please let me know,We are happy to service for you.


3.Service advantages
1)Fast delivery,fast reaction
2)Strict and maturely quality control
3)High quality 100% promise
4)Flexible transportation
6)Non-disclosure agreement

4.Production flow 
Strict and maturely quality control that can make high quality.


5.The advantages and disadvantage of immersion gold

ENIG - Immersion gold / Electroless Nickel Immersion Gold
Typical thickness 3 - 6um Nickel / 0.05 - 0.125um Gold. Shelf life: 12 months


1.Immersion finish = excellent flatness

2.Good for fine pitch / BGA / smaller components

3.Tried and tested process

4.Wire bondable


1.Expensive finish

2.Black pad concerns on BGA

3.Can be aggressive to solder mask - larger solder mask dam preferred

4.Avoid solder mask defined BGA's

5.Should not plug holes on one side only

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