Chinese Professional Rigid+Flex - Online Exporter PCB/Circuit Board /High TG/ Fast Bare PCB with Low Price From China Factory – Yongmingsheng
Chinese Professional Rigid+Flex - Online Exporter PCB/Circuit Board /High TG/ Fast Bare PCB with Low Price From China Factory – Yongmingsheng Detail:
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The basic meaning of high Tg PCB
When the temperature of high Tg printed circuit board rises to a certain threshold, the substrate will change from “glass state” to “rubber state”, and the temperature at this time is called the glass transition temperature (Tg) of the board.In other words, Tg is the highest temperature (℃) at which the substrate remains rigid.That is to say, the common PCB substrate material in the high temperature, continuous softening, deformation, melting and other phenomena, but also in the performance of the mechanical and electrical characteristics of the sharp decline, which affects the service life of the product (I think we do not want to see their own products appear in this case).
The main characteristics of high Tg PCB
Generally, Tg plates are above 130℃, high Tg is generally greater than 170℃, and medium Tg is about greater than 150℃.
PCB printed boards with Tg≥170℃ are usually referred to as high Tg printed boards.
With the improvement of Tg of substrate, the heat resistance, moisture resistance, chemical resistance and stability of PCB will be improved.The higher the TG value, the better the temperature resistance of the plate, especially in lead-free process, high TG is more widely used.
Therefore, the difference between general fr-4 and high Tg is as follows: under high temperature, especially under heat after hygroscopicity, the mechanical strength, dimensional stability, adhesion, water absorption, thermal decomposition, thermal expansion and other conditions of the materials are different, and high Tg products are obviously better than ordinary PCB substrate materials.
YMS High Tg PCB manufacturing capabilities:
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YMS High Tg PCB manufacturing capabilities overview |
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| Feature | capabilities | |
| Layer Count | 3-60L | |
| Available Multilayer PCB Technology | Through hole with Aspect Ratio 16:1 | |
| buried and blind via | ||
| Hybrid | High Frequency Material such as RO4350B and FR4 TG 180°Mix etc. | |
| High Speed Material such as M7NE and FR4 TG 180°Mix etc. | ||
| Thickness | 0.3mm-8mm | |
| Minimum line Width and Space | 0.05mm/0.05mm(2mil/2mil) | |
| BGA PITCH | 0.35mm | |
| Min mechanical Drilled Size | 0.15mm(6mil) | |
| Aspect Ratio for through hole | 16:1 | |
| Surface Finish | HASL, Lead free HASL,ENIG,Immersion Tin, OSP, Immersion Silver, Gold Finger, Electroplating Hard Gold, Selective OSP，ENEPIG.etc. | |
| Via Fill Option | The via is plated and filled with either conductive or non-conductive epoxy then capped and plated over(VIPPO) | |
| Copper filled, silver filled | ||
| Registration | ±4mil | |
| Solder Mask | Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green.etc. | |
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What is high Tg FR4?
The standard FR4 Tg is between 130 – 140°C, the median Tg is 150 °C and the high Tg is greater than 170°C. In the hot state, high Tg FR4 will have better mechanical and chemical resistance to heat and moisture than standard FR4.
What is TG board?
The temperature point is called the glass transition temperature (Tg). The higher Tg point means a higher temperature requirement during lamination. And the boards will be hard and crisp, which will affect the hole and the electrical properties.
How do I choose a PCB TG?
When it comes to material for PCBs, high Tg should be picked, which should be higher than the working temperature current runs. As the temperature of substance rises, substance will suffer from expansion or shrinking.
Product detail pictures:
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We intention to see quality disfigurement within the creation and supply the ideal support to domestic and overseas buyers wholeheartedly for Chinese Professional Rigid+Flex - Online Exporter PCB/Circuit Board /High TG/ Fast Bare PCB with Low Price From China Factory – Yongmingsheng , The product will supply to all over the world, such as: Bandung, Iceland, Australia, Our business activities and processes are engineered to make sure our customers have access to widest range of products with the shortest supply time lines. This achievement is made possible by our highly skilled and experienced team. We look for people who want to grow with us around the globe and stand out from the crowd. We have people who embrace tomorrow, have vision, love stretching their minds and going far beyond what they thought was achievable.
By Alberta from Belgium - 2017.01.11 17:15
Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
By Cora from Tunisia - 2018.09.08 17:09
