A clean-room is just a space that’s free of fixed or includes a low-level of chemicals or dust and dirt particles. It may be employed for numerous reasons, including improvement and study of services like computer processors.
The surroundings should be managed to guarantee the item infected or is not broken in other words. In the United States, Federal Standard 209E (FED-STD-209E) was used until the end of November 2001 to define the requirements for clean rooms. On November 29, 2001, these standards were superseded by the publication of ISO specification 14644-1
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The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.