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10L ENIG High Frequency PCB

10L ENIG High Frequency PCB

10L ENIG high frequency PCB 1.product describe Specification 10 layers gold immersion high frequency PCB Layer: 10 layer material: Ro4350B+FR4 Thickness: 1.5 mm Surface finished: ENIG (2U”) Minimum aperture: 0.35mm. Application: industry automatic Features: high frequency mixing. Uniwell...

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10L ENIG high frequency PCB

1.Product describe

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Specification
10 layers gold immersion high frequency PCB
Layer: 10 layer
material: Ro4350B+FR4
Thickness: 1.5 mm
Surface finished: ENIG (2U”)
Minimum aperture: 0.35mm.
Application:  industry automatic
Features: high frequency mixing.

Uniwell circuits was founded in 2007 which is a hi-tech enterprise which specializes in producing variety, medium volume, customized PCB&PCBA products with RoHS, UL, ISO, SGS certification.10 years’experience with PCB production, with full enthusiasm, Uniwell is looking forward to be your qualified supplier!


2.Application
Uniwell offers fast turn prototypes and medium volume PCBs.
Our products are widely applied to Aerospace, Medical, Automotive, Telecommunications, Computers, Audio, Video products and so on.

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3.Specification about our PCB services 

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.Packaging & shipping
Packaging
Normally, we will pack the PCB with bubble plastic bags first to protect the products perfect.

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Shipping
Uniwell can arrange the delivery as customer's request. Whether you want to choose DOOR to DOOR express delivery or air or sea, it is all ok. And also we will choose the cheapest with safty delivery for you.

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5.Little knowledge---the character of high frequency PCB
(1) The dielectric constant (Dk) must be small and stable, usually the smaller the better. The signal transmission rate is proportional to the square root of the material dielectric constant, high dielectric constant is likely to cause signal transmission delay.

(2) Dielectric loss (Df) must be small, which mainly affects the quality of signal transmission, the smaller dielectric loss, the signal loss is also smaller.

(3) The thermal expansion coefficient should be close to copper foil as much as possible, because inconsistencies in the hot and cold changes will cause copper foil separation.

(4) low water absorption will affect the dielectric constant and dielectric loss when be damp.

(5) Other heat resistance, chemical resistance, impact strength, peel strength, etc. must also be good.

High frequency board failure phenomenon is mainly caused by low dielectric constant value caused by the impact of high-frequency circuit stability. High-frequency signal has conductor skin effect, the circuit board low dielectric constant will cause high-frequency signal loss, it will make signal weakened, frequency drift, even stop vibration. The overall electrical performance is worse.

Uniwell is a professional China PCB manufacturer that provides high quality PCB service including high-frequency PCB fabrication with affordable price, if you want to know more about it ,please contact us freely.

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