Die Datenretter - CONVAR™ / 66953 Pirmasens / Massachusetts Avenue 4600 / Germany

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• UK
  CONVAR Service Center
  Tel. +44 1634 91 00 91
• Austria
  CONVAR Service Center
  Tel. +43 720 880 299
• Germany
  CONVAR Service Center
  Tel. 06331 268 268
• Switzerland
  CONVAR Service Center
  Tel. +41 43 508 0744
• France
  CONVAR Service Center
  Tel. +33 97 518 0515
• The Netherlands
  CONVAR Service Center
  Tel. +31 20 808 3100
• All other countries
  Tel. +49 6331 268 268

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Better ask the
experts.

DE | EN

Die Datenretter on TV

TIP: Data recovery from hard drives from Japan's earthquake zone.

Here

• 
  SAT.1 / 17:30 live
  Datenrettung nach Katastrophe in Japan
• 
  CONVAR - Der Film
  This is CONVAR™
• 
  SR1 / aktueller Bericht
  Datenrettung nach Katastrophe in Japan
• 
  SWR / Aktuell
  Datenrettung nach Katastrophe in Japan
• 
  ARD / Nachtmagazin
  Welttag des audiovisuellen Erbes
• 
  ARD / Mittagsmagazin
  Den Dieben auf die Spur
• 
  ZDF / Abenteuer Wissen
  Haltbarkeit von Daten
• 
  RTL / EXTRA
  Daten gelöscht?
• 
  ARD / W wie Wissen
  Mission: Hard Disk...
• 
  SAT.1 / Planetopia
  Hold your fire...
• 
  ZDF / Heute Journal
  X-File: World Trade Center...
• 
  Pro7 / Galileo
  From out the ruins...
• 
  ARD / Reportage
  Datarecovery
• 
  Pro7 / Reportage
  Die Datenretter

• Data Recovery
• Hard Drives
• Tapes
• RAID system
• Causes

Headcrash...

One uses the term Head Crash when the read / write head physically damages the surface of the storage medium.

Normally the read/write head floats on a small air cushion over the magnetic-coated surface of the hard drive. Sometimes a "touchdown" occurs when the read/write head touches the surface of the storage medium.

These "touchdown's" are not uncommon for hard drives. A "touchdown" does not automatically mean that a head crash has occurred. The surface of the storage medium (drive plate) is coated with a special layer. This ensures that such contacts do not lead to the damage of the medium.

Some hard drive manufacturers try to raise their sinking profit margins by using inexpensive materials. Thin film coating is used a lot here. These coatings are less expensive to manufacture but also show a much higher breakdown rate in comparison to other methods.

A head crash occurs when the read/write head hits on the surface of the medium destroying the protective layer and the underlying magnetic coating. The destruction can be so great that the entire coating is destroyed right down to the substrate (plastic, glass or ceramic plate).

Heads crashes can also occur through vibrations, incorrect installation of the hard drive and by extreme temperature changes.