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The concept of HDI high frequency board
2019-06-21
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Author:ipcb      Share

HDI high frequency board is a special circuit board with high electromagnetic frequency, which is suitable for high frequency (frequency greater than 300 MHz or wavelength). Generally speaking, high frequency board can be defined as circuit board with frequency above 1 GHz. Substrate materials need to have excellent electrical properties and good chemical stability. With the increase of power signal frequency, the requirement for substrate loss is very small, so the importance of HDI high frequency board is emphasized.

high frequency board

high frequency board

What is the concept of HDI high frequency board?
HDI high frequency board with induction heating technology has been widely used in communication industry, network technology and high-speed information processing system, which meets the requirements of many high-precision parameter meters. Reliable high frequency circuit board is of great help in practical production. So what are the advantages of this powerful high frequency circuit board?
The loss of high frequency circuit board with small permittivity is also very small. The advanced induction heating technology can meet the requirements of target heating and has high efficiency. Of course, while focusing on efficiency, it also has the characteristics of environmental protection, which is very suitable for the development direction of today's society.
The transmission speed is inversely proportional to the square root of the dielectric constant, which means that the smaller the dielectric constant, the faster the transmission speed. This is the advantage of high frequency circuit board. It uses special materials, which not only ensures the characteristics of small dielectric constant, but also maintains the stability of operation, which is very important for signal transmission.
High frequency circuit board is widely used in various industries for heating precision metal materials. In its processing field, it can not only realize the heating of components with different depths, but also can focus heating according to local characteristics. Whether surface heating or deep heating, centralized or decentralized heating methods can be easily completed.

Dielectric constant and dielectric have certain requirements on the environment, especially in the south, humid weather will seriously affect the use of circuit boards. High frequency circuit boards made of extremely low water absorption materials can challenge this environment. At the same time, it also has the advantages of chemical corrosion resistance, moisture resistance, high temperature resistance and high peel strength, which makes high-frequency circuit boards play a strong role.