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Shenzhen Uniwell Circuits Co.,Ltd
High TG Printed Circuit Board

High TG Printed Circuit Board

High tg printed circuit board 1.company information UNIWELL circuits co., lTD., a printed circuit board manufacturer, offers custom-designed PCB and PCB assembly. A wide range of end markets that include PCBAs for Automotive, Communications, Computing, Consumer, Industrial, and Healthcare. 40%...

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1.Product describe

图片250_副本.jpg 

Specification
Layer: 4  
Board Thickness:1.6 mm
Surface treatment:immersion gold.
Material: FR4 TG170.
Min line width/line distance:4/4mil
Min hole:0.2mm
Special requirement:impedance control

2.Company information
Uniwell circuits co., lTD., a printed circuit board manufacturer, offers custom-designed PCB and PCB assembly. A wide range of end markets that include PCBAs for automotive, communications, computing, consumer, industrial, and healthcare. 40% of our roducts are being exported to foreign markets, mainly to eastern Europe market.  

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3.PCB manufacturing capability

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.PCB flow chart

图片251_副本.jpg

5.Tg value
The glass transition temperature (Tg) is an important normative dimension for the base material that determines the temperature at which the resin matrix converts from a glassy, brittle condition into a soft, elastic one.
The Tg value of the base material sets here an upper boundary, at which the resin matrix decomposes and a subsequentdelamination occurs. The Tg is thus not the value of the maximum operational temperature, but rather that which the material can endure for only a very short time.
A guideline for a continuous thermal load is an operating temperature approximately 25°C below the Tg.
When the glass transition temperature (Tg) is over 170°C, it is referred to as a high Tg material.

High Tg materials have the following properties:
● High glass flow temperature value (Tg)
● High temperature durability
● Long delamination durability
● Low Z axis expansion (CTE)
If you don’t choose which TG for your PCB ,please contact us ,we are happy to help you.

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