What does aluminum nitride mean? Covalent bond compounds are made from aluminum nitride. This atomic compound is non-toxic and can be found in white, grayish, or white atoms. Aluminum nitride formula AlN. AlN is an aluminum nitride that can be treated with metal. It can also replace tantalum and alumina oxide in many electronic instruments. Aluminium nitride is made by either reduction of aluminum oxide, carbon, or direct aluminum nitride.

Properties of ceramic aluminum nitride
High purity, low particle size, high activity and good purity make the aluminum nitride clay powder a great raw material. This ceramic aluminum nitride substrate exhibits high thermal conductivity, low expansion, strength, chemical resistance and low dielectric losses. This makes it an excellent large-scale heat sink substrate for integrated circuits as well as a packaging material. It is an innovative type of ceramic material that can withstand wear, and has hardness levels higher than traditional alumina.

More information about the ceramic substrate for aluminum nitride:
China is renowned for its long-standing history in the development of substrates. The number of available substrates has increased over time. Fiber substrates, FR-4 and aluminum substrates are the traditional types of substrates. Copper substrates are also available.

The improvement of industry requirements is limited by thermal expansion coefficient matching and heat dissipation. When these new needs are not being met, they have to begin to search for alternative substrates.

A ceramic aluminum nitride substrate made using LAM technology, which is laser high-peed activated metallization, makes a great choice. The metal layer can be more closely bound to ceramic and it has a high bonding strength. The ceramic pieces larger than one mm in height can have a maximum strength of 45, Pa. An aluminum nitride substrate contains a metal layer layer that has higher and firmer resistance. It can also be customized in thickness from 1 mm to one mm.

Is it because aluminum nitride ceramic is more expensive than the other substrates?
Comparable to the ceramic substrate, aluminum-based substrate has a thermal conductivity between 1 and 2 W/mk. The copper's thermal conductivity is 383.8W/mK. But the thermal conductivity is just 1.0W/mK. This is better. 1.8W/mK. Ceramic substrates made of aluminum nitride have a lower thermal conductivity. Data ranges between 170 and 230 W/m.k.

The coefficient of thermal extension (CTE) is an example. For LED lighting, CTE for the main substrate is between 14 and 17ppm/C. The CTE for the silicon chips is 6,ppm/C. If there's a temperature differential or drastic temperature change, the PCB can expand beyond the capacity of the package. The problem of soldering can result. CTE is the CTE of an aluminum nitride-ceramic substrate at 4-5ppm/C. It is therefore brighter and more in line with the chip's expansion ratio and is effective to prevent similar problems.

Furthermore, aluminum nitride ceramic substrate is free of organic components. The copper layer doesn't contain any oxide layers. This layer has a long life span and can be used in a reduced atmosphere for long periods.

These aluminum nitride ceramic sub-substrates are very popular in the marketplace. Because of their low frequency loss, low dielectric constant and easy design, it is possible to build high-frequency circuits and perform high-density line/pitch assembly (L). A resolution of up to 20mm can be achieved. The current trend towards light and small favors the small, slim, light, and thin.

Exports of ceramic substrates make up the majority of their production. To realize the localization and growth of aluminum nitride ceramics substrates in domestic markets, independent research has been a key factor. Domestic PCB manufacturers have also paid closer attention. There are many benefits to aluminum nitride substrates.

Luoyang Tech Co., Ltd, a manufacturer of aluminum nitride, has more than 12 years' experience in chemical product research and development. Contact us if you need high quality aluminum Nitride. Send an inquiry .

tags: Semiconductors semiconductor industry