High Quality for Alu Pcb - Manufacturer for Bare Circuit Board Manufacturing 4 Layer Pcb 2 Blank – Yongmingsheng
High Quality for Alu Pcb - Manufacturer for Bare Circuit Board Manufacturing 4 Layer Pcb 2 Blank – Yongmingsheng Detail:
With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and advancement, we will build a prosperous future with each other with your esteemed firm for Manufacturer for Bare Circuit Board Manufacturing 4 Layer Pcb 2 Blank, With our rules of ” small business status, partner trust and mutual benefit”, welcome all of you to definitely get the job done jointly , mature jointly.
With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and advancement, we will build a prosperous future with each other with your esteemed firm for 2 Layer Blank Pcb Board, 4 Layer Bare Pcb, Bare Circuit Board Manufacturing, If you are interested in any of our products and solutions or would like to discuss a custom order, be sure to feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
The substrate of High Tg circuit board will change from “glass state” to “rubber state” when the temperature rises to a certain area, and this temperature is called the glass transition temperature (Tg) of the board. In other words, Tg is the maximum temperature (℃) at which the substrate remains rigid. That is to say, ordinary PCB substrate materials at high temperature not only produce softening, deformation, melting and other phenomena, but also performance in the mechanical, electrical characteristics of a sharp decline (I don’t think we want to see their products appear this situation).
Generally speaking, the board of Tg is more than 130 degrees, high Tg is more than 170 degrees, and medium Tg is more than 150 degrees.
Usually Tg≥170℃ PCB, called high Tg PCB.
When the Tg of the substrate increases, the circuit board’s heat resistance, moisture resistance, chemical resistance, stability resistance and other characteristics will be improved. The higher the TG value, the better the temperature resistance of the plate. And the high TG is often applied in the lead-free process,
High Tg refers to high heat resistance. With the rapid development of the electronic industry and the electronic products represented by computer, the higher heat resistance of PCB substrate materials have become an important guarantee when the development towards into a high function and high multilayer. What’s more, the appearance and development of high-density installation technology represented by SMT and CMT make PCB more and more inseparable from the support of high heat resistance of substrate in small aperture, fine circuit and thin form.
Therefore, the difference between the general fr-4 and the high Tg fr-4 is that in the thermal state, especially in the case of heat after moisture absorption. And there are many differences in the mechanical strength, dimensional stability, adhesion, water absorption, thermal decomposition, thermal expansion and other conditions of the materials. The products with high Tg are obviously better than ordinary PCB substrate materials. In recent years, the number of customers requiring the production of high Tg circuit board increased year by year.
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Our items are commonly identified and trusted by people and can fulfill repeatedly altering economic and social wants of High Quality for Alu Pcb - Manufacturer for Bare Circuit Board Manufacturing 4 Layer Pcb 2 Blank – Yongmingsheng , The product will supply to all over the world, such as: Mali , Malawi , Uzbekistan , We integrate all our advantages to continuously innovate, improve and optimize our industrial structure and product performance. We will always believe in and work on it. Welcome to join us to promote green light, together we will make a better Future!
By Princess from Monaco - 2017.06.16 18:23
The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
By Georgia from Florida - 2017.08.18 11:04