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How to distinguish high-quality aluminum nitride substrate board

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  The aluminum nitride substrate circuit board is a new type of circuit board with aluminum nitride as the substrate and a variety of different circuit components. The ceramic substrate is introduced in small series. It is widely used in the manufacture of the electronics industry due to its good thermal conductivity and high voltage resistance. Many advantages, such as strong capabilities and stable chemical properties, have gradually become important components in the manufacture of electronic products. With the increasing number of products of aluminum nitride substrate boards, how to identify a good quality aluminum nitride substrate board from many manufacturers and brands requires certain skills.

Ceramic substrate

  1. Look at the raw material of the aluminum nitride substrate. Because the aluminum nitride substrate PCB circuit board uses an aluminum nitride substrate as the support plate of the circuit, the quality of the raw material has a very important influence on the function and service life of the aluminum nitride substrate circuit board. The aluminum nitride substrate circuit board with guaranteed quality should be made of aluminum nitride substrate with good chemical properties (high temperature resistance, strong acid and alkali resistance) and high thermal conductivity. The parameter information of this aspect is obtained. Can be consulted by consulting Slyton.

  2. See if the work of the aluminum nitride substrate circuit board is fine. Because the aluminum nitride substrate circuit board belongs to a fine circuit board component, there are numerous resistor-resistance components on a small-area aluminum nitride substrate board, and the high-quality aluminum nitride substrate circuit board requires the spacing and adhesion tightness of the electronic components. There are strict requirements, of course, the aluminum nitride substrate circuit board has a high flatness and a flat edge, which can also reflect its processing quality.

  3. After trial. One of the great advantages of the aluminum nitride substrate circuit board is that its heat conduction function is good, thereby ensuring its high voltage resistance and durability. The manufacturer can let the circuit board work for a period of time, then cut off the power supply to stop its operation, test its temperature and the current circulation speed of the whole circuit. If the temperature is too high, it indicates that the heat conduction function is poor, and it is not a good quality aluminum nitride substrate circuit board.

  4. Introduction of ceramic substrate, understand the information of aluminum nitride substrate circuit board proofing manufacturers. The manufacturing of aluminum nitride substrate circuit boards is formal, has a large scale, and has various qualifications. It often means that its production and manufacturing are processed and required through regular and strict production. The selection of raw materials will also be Assurance, this clarifies that it is a quality-certified aluminum nitride substrate circuit board; of course, at the same time, it is necessary to understand the corresponding brand reputation of the aluminum nitride substrate circuit board and its user evaluation, and the information on these two aspects is often to a certain extent. It is also possible to directly express the quality condition of the aluminum nitride substrate circuit board.
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