Aluminum Nitride Ceramic

Aluminum nitride (AlN) is a technical ceramic material that features an extremely interesting combination of very high thermal conductivity and excellent electrical insulation properties. It has a hexagonal crystal structure and is a covalent bonded material. The use of sintering aids and hot pressing is required to produce a dense technical grade material. The material is stable to very high temperatures in inert atmospheres. In air, surface oxidation begins above 700°C. A layer of aluminum oxide forms which protects the material up to 1370°C. Above this temperature bulk oxidation occurs. Aluminum nitride is stable in hydrogen and carbon dioxide atmospheres up to 980°C. The material dissolves slowly in mineral acids through grain boundary attack, and in strong alkalis through attack on the aluminum nitride grains. The material hydrolyzes slowly in water. Most current applications are in the electronics area where heat removal is important. This material is of interest as a non-toxic alternative to beryllia. Metallization methods are available to allow AlN to be used in place of alumina and BeO for many electronic applications.

Properties
Good dielectric properties
High thermal conductivity
Low thermal expansion coefficient, close to that of Silicon
Non-reactive with normal semiconductor process chemicals and gases

Application
Substrates for electronic packages
Heat sinks
IC packages
Power transistor bases
Microwave device packages
Material processing kiln furniture
Semiconductor processing chamber fixtures and insulators
Molten metal handling components

Double-edge Ceramic Slotted Blade

Dimensions: 57×19.05×0.38mm
Ceramic slotted carpet cutter blades are used in many film slitting applications, Like using in high speed Stretch film machine for cutting plastic film. INNOVACERA offers a variety of slotted blades made out of high performance yttrium stabilized zirconia ceramic. It is a extreme wear materials, cycle life is very long. These kind of slotted blades are recomeneded for the very demanding applications.

BOBING-moon cake gambling for Mooncake Festival

In China, Mid-Autumn Festival is also called Mooncake Festival. It is the second largest festival only second to Spring Festival. On every Mid-Autumn Festival, Chinese people will reunite with their families to watch the full moon and eat mooncakes.

In Xiamen of China, there is another special traditional folk custom – Bobing. The playing method of the game is to shake six dices in the red gambling bowl to form the arrangements of “4 red dots”. Different arrangements represent different grades which stand for different “good luck”.  

Xiamen Innovacera Advanced Materials Co., Ltd was taken the Bobing Events on Sept.14. All the people enjoyed in this activity. We wish you enjoy the game with your friends and we wish you a happy Mid-Autumn Festival.