INNOVACERA | technical ceramic solutions

Alumina Ceramic (Al₂O₃) Advanced Ceramics are used in electronics and technology. It has unique properties that make it serve important insulative, sensor, resistive, capacitive, magnetic functions, and electrooptic in electrical and electronic circuitry. In this article, we will explore the applications of Advanced Ceramics in Electronics and Technology.   1. Properties of Advanced Ceramics in Electronics and Technology Advanced Ceramics are known for their excellent electrical and thermal properties. They have high thermal conductivity, which makes them ideal for heat sinks, helping to dissipate heat from electronic components. They also have high dielectric strength, which makes them suitable for electronic components such as resistors, capacitors, and insulators.     2.Advanced ceramic materials with high electrical performance Alumina:  Alumina Ceramic (Al₂O₃)  are a common ceramic material used in electronic components. It has high dielectric strength, and...

Aluminum nitride ceramics , composed mainly of aluminum nitride, possess remarkable properties such as high thermal conductivity, excellent insulation, and low dielectric constant. The crystal structure of aluminum nitride consists of tetrahedral units forming a covalent-bonded compound, exhibiting a spinel-type structure within the hexagonal crystal system. With a chemical composition of 65.81% aluminum and 34.19% nitrogen, and a density of 3.261g/cm3, aluminum nitride ceramics appear white or gray-white, with single crystals being transparent and colorless. These ceramics boast a sublimation decomposition temperature of 2450°C under standard pressure, making them ideal for high-temperature applications. Additionally, their coefficient of thermal expansion ranges from 4.0 to 6.0 * 10^-6/°C, and their polycrystalline form exhibits a thermal conductivity of up to 260W/(m·K), surpassing that of aluminum oxide by 5-8 times, thus demonstrating excellent resistance to thermal shock up to 22...

Some extreme environments require the high electrical resistivity in additional to exceptional thermal conductivity, high abrasive and high-temperature thermal cycling. To solve this kind problem, Innovacera provides  Hot-pressed aluminum nitride ceramic  material as solutions. Innovacera Hot pressed ALN ceramic components purity is 99.5% aluminum nitride and its density is about 3.3g/cm3. The thermal conductivity is 140-170 W/(m·k). The forming way of hot-pressed aluminum nitride ceramics is vacuum hot pressing sintering. After high temperature and high pressure, hot pressed ALN ceramic part mechanical strength and hardness are better than the tap-casting molding process and cold isostatic press method. Innovacera can provide the maximum size of hot-pressed aluminum nitride ceramic part is Length 500 x width 500 x height < 350 mm and Outer diameter 500 x height < 500 mm Hot- Pressed aluminum nitride ceramics material properties: ITEM UNIT Testing Value Hardness Kgf/mm 2...

Aluminum Nitride Ceramics exhibit exceptional characteristics as below: Good mechanical properties, Higher flexural strength than Al2O3 and BeO ceramics, High temperature and corrosion resistance. High thermal conductivity combined with good electrical insulation characteristics. Exceptional stability when exposed to many molten salts. Thermal stability up to at least 1500°C Favorable mechanical characteristics extending into the high temperature range. Low thermal expansion and resistance to thermal shock. Special optical and acoustic characteristics. Physical Properties: Properties Value Color  Dark Gray Main Content 96%ALN Bulk Density(g/cm 3 ) 3.335 Water Absorption 0.00 Flexural Strength(MPa) 382.70 Dielectric Constant(1MHz) 8.56 Coefficient Linear Thermal Expansion(/℃，5℃/min, 20-300℃) 2.805*10 -6 Thermal Conductivity(30 degree Celsius) >=170 Chemical Durability(mg/cm2) 0.97 Thermal Shocking Resistance No cracks Volume Resistivity(Ω.cm) (20 degree Celsius) 1.4*10 14 Dielect...

Aluminum nitride   (AIN) is known for its high thermal conductivity and excellent electrical insulation properties. It is a common ceramic material used in a variety of electrical devices. In addition to its coefficient of thermal expansion and electrical insulation capabilities,   aluminum nitride ceramics   are resistant to most molten metals, such as copper, lithium and aluminum. Properties of aluminum nitride ceramics: Aluminum nitride has a variety of properties that make it suitable for a variety of industrial applications: High thermal conductivity (above 170 W/mK). This is close to the value of BeO and SiC and more than five times that of aluminum oxide (Al2O3). Its coefficient of thermal expansion is 4.5 *10-6°C, the same as that of silicon (3.5-4 *10-6°C). It has good light transmission properties It is not toxic. Good electrical conductivity. Aluminum nitride’s electrical properties include its dielectric constant, dielectric loss, bulk resistivity and dielectr...

Source: https://www.innovacera.com/news/the-main-application-of-aluminum-nitride-ceramics.html Aluminum nitride is a new type of ceramic material with excellent comprehensive performance. It has excellent thermal conductivity and thermal shock resistance, reliable electrical insulation. Because of the liquid phase sintering and no second phase at the grain boundary, the crystal structure is very dense and has good Resistance to plasma corrosion. A series of excellent characteristics such as low dielectric constant and dielectric loss, non-toxic and thermal expansion coefficient matching silicon, are considered to be ideal materials for a new generation of highly integrated semiconductor substrates and electronic device packaging and are widely used at home and abroad attention. Prime Features: High thermal conductivity Excellent thermal shock resistance Excellent insulation, >15KV / mm Plasma etching resistance Good shock resistance Non-toxic Excellent mechanical properties Applica...