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Computer Motherboard Application Circuit Board

Computer Motherboard Application Circuit Board

Computer motherboard application circuit board 1.Product Description Application area:consumer electronic application product:MID computer motherboard layer:4 finished treatment:ENIG material:FR4 outer layer line width/space:4/4mil inner layer line width/space:4/4mil board thickness:0.8mm min...

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Computer motherboard application circuit board
1.Product description

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Specification:
Layer: 2  
Board Thickness: 1.6 mm
Surface treatment: LF HASL.
Material: FR4 .
Min line width/line distance:8/10mil
Min hole:0.4mm
Special technology:gold finger

A motherboard (sometimes alternatively known as the main board, system board, planar board orlogic board, or colloquially, a mobo) is the main printed circuit board (PCB) found in computers and other expandable systems. It holds and allows communication between many of the crucial electronic components of a system, such as the central processing unit (CPU) and memory, and provides connectors for otherperipherals. Unlike a backplane, a motherboard contains significant sub-systems such as the processor and other components. When you order PCBs from Uniwell circuits, 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.Technical data

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

3.FAQ
Q: What kinds of test function will be offered?
To make sure the production quality, we offer the below testing procedure to guarantee every piece of product:
1) AOI (Automated Optical Inspection)
2) Automatic short-circuit testing
3) RoHS detector
4) Dielectric tester
5) Impedance control
6) Metallographic microscope
7) Fly probe/ fixture mold
8) Visual inspection

Q: What the package of the products?
We use vacuum packaging. 

Q: What is a microvia hole?
According to the new definition within IPC-T-50M a microvia is a blind structure with a maximum aspect ratio of 1:1, terminating on a target land with a total depth of no more than 0.25mm measured from the structure’s capture land foil to the target land.

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