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Immersion Gold Multilayer PCB

Immersion Gold Multilayer PCB

Immersion gold multilayer PCB 1.Product Description Applying the surface finish is one of the last steps of manufacturing a printed circuit board. The surface finish is designed to prevent oxidation of the remaining exposed copper, while the solder mask covers the majority of the circuitry. This...

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Immersion gold multilayer PCB

1.Product description

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Specification: 

Layer: 6  
Board Thickness: 1.8 mm
Surface treatment: immersion gold.
Material: FR4 TG135 .
Min line width/line distance:10/10mil
Min hole:0.5mm

Applying the surface finish is one of the last steps of manufacturing a printed circuit board. The surface finish is designed to prevent oxidation of the remaining exposed copper, while the solder mask covers the majority of the circuitry. This is important because oxidized copper cannot be soldered.In rare instances, when a printed circuit board requires “body gold,” the finish is applied to the copper prior to the solder mask process. 

Gold finishes tend to be more expensive. However, when it comes time for printed circuit board assembly, the consistent finish may be worth the extra cost, especially for designs that require a very tight surface mount. 

2.Machinery equipments 

1) Drilling machine. 

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Drill is so important, so we have a perfect drill management area, and a machine 24 hours polished to ensure the quality of the drill bit.

2) Inspection &test 

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AOI machineAutomatic e-testflying test

With advanced AOI machine and test machine, so we can promise boards ship to you 100% high quality.

3.Packing & shipping 

1) Packing
PE+Carton 

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2) Shipping
For the PCB Prototype, and small volume PCB that we generally use the express way. For the medium-volume PCB that we generally use air freight or ocean freight according to delivery time. 

Uniwell ships using express couriers (DHL, FedEx , UPS,TNT ...), air freight and ocean freight. For small volume and Express PCB orders, post office express (EMS) and regular air mail are available. Customers are welcome to use their own couriers or freight forwarders to satisfy their logistics needs. However, such requests should be clearly stated when placing orders. For mass production orders, we offer CIF , FOB HK or other terms if you need.

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