Jul 052016
 
via www.fep.fraunhofer.de

via www.fep.fraunhofer.de

The total removal of digital data is not easily achieved. A new application of electron beams provides a new way of achieving this.

Removing information from an electronic device is not easy. While many of us have used devices which have crashed and the data appears irretrievable, often it remains hidden and it could be recovered by a computer expert or someone for more nefarious purposes.

Rather than going to ‘Mission Impossible’ lengths by totally destroying a computer or other device, researchers have developed an electron beam technique to allow for the complete destruction of electronic data.

Electron beam processing (commonly referred to as e-beam) is a method which uses high energy electrons to treat an object. It is a method of irradiation and is sometimes described as electron irradiation which ionises the material it strikes by stripping electrons from the atoms of the exposed material.

Researchers based at the Georgia Institute of Technology have developed an electron-beam writing technique that induces the deposition of carbon on a graphene surface. The phrase that has been developed to describe this new method is “focused electron beam induced deposition.” The method is a type of direct-write additive lithographic technique.

Learn more: Nanotechnology allows all data on electronic devices to be deleted

 

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