The patent application addresses devices that would be "encased in a tube-like main body that is extruded in its entirety with the ceramic material" .
The main purpose of the design would be to allow for wireless communications to be transmitted with minimal interference.
Apple's patent listing includes references to mobile phones and portable computing devices, suggesting that the technology could also be used to provide iPods with Wi-Fi functionality similar to Microsoft's Zune media player.
Zirconia, the material most notable for its use as a fake diamond, is also deployed in thermal barrier coatings in jet and diesel engines. It has electrical engineering capabilities, including the ability to let radio signals pass through easily.
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