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Shenzhen Uniwell Circuits Co.,Ltd
12L ENIG Ordinary FR4 PCB

12L ENIG Ordinary FR4 PCB

12L ENIG ordinary FR4 PCB 1.company information UNIWELL circuits co., lTD. has rich experience in manufacturing various PCB and PCB assembly. Backed by our advanced techniques and skillful production staff, UNIWELL makes sure that all the layers in the multilayer PCB are perfect insulated...

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1.Product describe

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Specification:
Layer:12
Board Thickness: 1.6 mm
Surface treatment:chemical gold.
Material: FR4.
Min line width/line distance:20/25mil
Min hole:2.3mm

Uniwell Circuits has set up a powerful R & D team when we established, the R & D team to improve its technology capability for high frequency, high TG, high CTI, impedance control, buried and blind holes, rigid-flexible combination material, aluminum base, and halogen free, etc. The products of Uniwell Circuits are widely used in communication, network, digital products, industrial control, medical care, aeronautics & astronautics, defense & military fields, etc.

2.Company information
Uniwell circuits co., lTD. has rich experience in manufacturing various PCB and PCB assembly. Backed by our advanced techniques and skillful production staff,  Uniwell makes sure that all the layers in the multilayer PCB are perfect insulated between each other and every conductor pattern functions well. Since established, Uniwell set up powerful R&D team , they do a wonderful job and we can provide PCB products to our customers according to their design or requirements. All our products are all passed the certification of SGS, TS, RoHS and UL.

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3.What kinds of test function will Uniwell offer?

AOI (Automated Optical Inspection)

Impedance control

Automatic short-circuit testing

Metallographic microscope

RoHS detector

Fly probe/ fixture mold

Dielectric tester

Visual inspection

4.How to maintain PCB circuit board?
Annual maintenance knowledge:
1)Clean up the dust on PCB circuit board.
2)Sampling of the electrolytic capacitor capacity of PCB circuit board, such as found electrolytic capacitor has a capacity of less than 20% of the nominal capacity, should be replaced, generally the life of the electrolytic capacitor is ten years or so, it must be all be replaced, in order to ensure the performance of PCB circuit boards.
3)for high power devices with cooling silicon grease, should check the cooling is there dry solid silicon grease, for dry solid dry solid heat dissipation silicon grease should be cleared after coated with new heat dissipation silicon grease, in order to prevent the circuit board burn out due to bad heat dissipation of high power device. 

Seasonal maintenance:
1)Clean up the dust on PCB circuit board every quarter, and use the special cleaning solution of the circuit board for cleaning. After cleaning up the dust above, blow dry the circuit board with a hair dryer.
2)Observe that the electronic components in the circuit have no trace of high temperature, and the electrolytic capacitor has no leakage phenomenon and should be replaced.

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