Recover Digital Storage Media

Memory cards in various formats, storage media in embedded USB, USB keys....

These media have their main feature was the absence of moving parts. The data are recorded in digital non-volatile memory (flash memory). Problems are so widespread nell'elettronica storage or control. In these cases, if the memory chip is still intact the data can be extracted from it and reconstructed using special software algorithms. 

Optical storage media (CD, DVD, magneto-optical discs) 

These media are read by a laser beam that receives the data [binary] (1 / 0) depending on the refraction or refraction of the beam. It follows that the cleaning of the reading of the medium itself is crucial. The total breakdown of the support often involves the impossibility of recovery, to the difficulty of aligning the data traces. Breakage may allow partial recovery. Deep scratches may be removed by mechanical polishing, but depends on the layer of plastic on the bottom of the disc, the higher the original discs, not in the burned. 

Magnetic media (hard disk, floppy disk, ZIP, DAT, etc.) 

These devices store data on a magnetic substrate, in linear or rotary motion. It follows that it is important to the media by magnetic fields and maintain the cleanliness of the media and readers. This is particularly true in the floppy, ZIP, DAT and cassette in general. In these media the magnetic medium is not in a sealed container and in the long run the dust particles can penetrate altering and impairing the magnetic characteristics. These media are also very sensitive to storage conditions, and high temperature, direct exposure to sunlight, magnetic fields (screens, mobile phones and the like) may modify the support and prevent the correct reading of data. In these cases, in addition to the cleaning media and player, the user can do little else. Specialized firms can do readings with different systems, using appropriate reading devices designed to make reading deeper or higher, by calculating the average, up to the reading by atomic force microscope (see Blindtrackcopy) 

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