By Roy van Rivero


Sapphire aka Aluminum Oxide (with chemical formula: al2o3) is used in various applications in different industries. It is popular in jewelry production and other decorative materials. But, more than that, this material is of great value in many non-decorative applications such as in infrared optical components, laboratory/scientific instruments, and electronic wafers, wherein it is used as a substrate insulator.

Many are technologies available in the market today that process sapphire into an array of purpose. In this particular article, however, we put the focus on Acubath XE - a tool that was engineered by IMTEC Acculine, a company based in U.S. This equipment is used in sapphire etching process. Here are some of its capabilities that users can benefit from:

Designed to accommodate the heat Chemistries of extreme temperatures are best managed by this technology - as it was designed for. The liquid you put inside the Accubath Xe comes in contact with nothing but of high purity quartz. Furthermore, its Aquaseal (patented) sees to it that heat does not escape out into the environment.

It features Auxiliary Module. Chemistries of extreme temperature bound for disposal are held first at this module, allowing them to cool before the final disposal. Auxiliary Module features quartz cooling coils that help to lower the chemistry temperature. This just means that you do not have to worry on working with chemistries in extreme temperature using the system.

Sapphire - the most well-known oxide ceramic material

Aluminum oxide is considered to be one of the most popular oxide ceramic materials and this is, most probably, because of the following properties:

- It has a high electrical insulation property

- It has a high mechanical strength of from 300 to 600 MPa; moderate to extremely high - depending on the level of purity

- It has a high compression strength of about 2,000 up to 4000 MPa

- High hardness

- The thermal conductivity is about 20 to 30 W/mk

- It has a high corrosion and wear resistance

- It has a good gliding properties

- Low density (3.75 to 3.95 g/cm^3)

- It handles temperatures from 1,000 to 1,500 degree Celsius.




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