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High Tg PCB

High Tg PCB

What is High-TG PCB

PCB made of High-Temperature Fr4 Material called High-TG PCB.PCB material must be flame retardant, it cannot be burned at a certain temperature and it can only be softened. The temperature point is called the glass transition temperature (Tg).

HIGH-TG-PCB

 

What is standard Tg?

As usual made with Tg ≥ 170 ℃ PCB material, which is referred to as a High Tg circuit board. With the rapid development of the electronics industry, high Tg material is widely used in computers, communication devices, precise apparatus, and instruments, etc.

What is Tg in FR4?

FR4 is a code name for the level of epoxy glass material. Tg means glass transition Ordinary PCB materials are not only softened, deformed, melted and other phenomena at high temperatures, but also the mechanical and electrical properties decrease significantly.

high tg pcb type

When the working temperature reaches the melting point, which means that the temperature exceeds the Tg value, the status of the PCB material changes from a glassy to liquid, which affects the function of PCB. And this value is related to the stability of the PCB dimensions.

What is high Tg PCB material?

material high tg pcb

 

Advantages of high-Tg PCB

  • Higher stability
  • withstand designs with a high power density
  • Excellent heat resistance
  • Ideal for multilayer and HDI pcb applications

 

Process capabilities of high Tg printed circuit board

Count of layers: 2 to 14

Maximum processing area: 640mm*1100mm

Copper density: 0.5OZ-13OZ

Board density: 0.2mm to 6.0mm thickness for double-layer board

4-layer board: 0.4mm-8.0mm 0.8mm to 8.0mm (6-layer board)

1.0mm-8.0mm for eight plies 10 plies: 1.2mm to 8.0mm

1.5mm to 8.0mm in thickness for 12 ply 1.5mm to 8 millimeters

16-ply: between 1.6mm and 8.0mm 18 plies: 2.2mm to 8.0mm

20-layer board: 2.4mm-8.0mm

Minimum line width/spacing requirements: 3mil/3mil

Minimum diameter of completed product holes: 0.15 mm

Maximum permissible ratio of thickness to diameter: 12:1

Impedance control: +/- 10 percent

Lead-tin spray, pure tin spray, chemically sunken gold, chemically sunken tin, chemically sunken silver, plug gold plating, anti-oxidation

Materials frequently employed: FR4 Tg130/Tg170°C, Rogers,Arlon, Taconic, and Bergquist

Application for High Tg Board

 

  • Multilayer boards with many layers
  • Industrial electronics
  • Automobile electronics
  • Fineline trace structures
  • High temperature electronics 

application Collection

 

Get A Quotation For Your High-Tg PCB

When it comes to FR-4 High-TG PCBs, GESP Technology has the experience and quality products you need for your industry. If you work with printed circuit boards that you will be subjected to high temperatures, you need to be sure those PCBs can take the heat.

At GESP Technology, our high-temperature PCB products can handle extreme PCB glass transition-temperature rates and retain their integrity, so you can use these High-TG FR-4 boards with confidence. Contact us for more information about High-TG PCB.

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