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Clean Room Hard Drive Rebuilds

If following your customer's free of charge DataMole diagnostic it becomes apparent that their device has sustained a mechanical issue it is normally necessary for the drive to be stripped down and rebuilt using working parts from a similar, or in many cases identical, device.

Stripping down a hard drive, or indeed doing anything within the drive cover requires a clean room suitable for use with hard disk drives. The way in which clean rooms are now rated in the UK has changed with the introduction of ISO 14644-1 standards in replacement of the older Class system defined by the US FED STD 209E standards, still stated and used as a benchmark by many data recovery companies.

Little known fact: The US FED STD 209E standard was officially abolished in late 2001 and whilst still widely used and stated, holds no

ISO 3 Clean Room Lab Facility

abc Data Recovery carry out all repair work that involves hard disk drive disassembly within an ISO 3 clean room environment. Our independently certified clean room operates way in excess of the Class 100 US FED STD 209E standard that most competing companies advertise (mostly without any proof of independent testing).

As an indication of what all of this means we have created a table below that shows the relative particle count for each of the standards, in both the far left of the table you will see the current recognised ISO standard and in the right its comparrison US value:


Class	Maximum Number of particles per m³ of Air						FED STD 209E equivalent
Class	≥0.1µm	≥0.2µm	≥0.3µm	≥0.5µm	≥1.0µm	≥5.0µm	FED STD 209E equivalent
ISO_1	10	2					N/A
ISO_2	100	24	10	4			N/A
ISO_3	1000	237	102	35	8		Class 1
ISO_4	10000	2370	1020	352	83		Class 10
ISO_5	100000	23700	102000	3520	832	29	Class 100

As you can see in the above table, using the US FED STD 209E standard as a comparrison, abc's ISO 3 clean room is roughly equivalent to Class 1.

Our labs also feature electrostatic dissipative flooring, seating and work areas with technical operatives having to follow strict anti-static procedures whilst handling hard drives, at all times. This further protects your failed devices against harm from the biggest single cause of failure for electronic devices that there is.