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A cleanroom or clean room is an engineered space that maintains a very low concentration of airborne particulates. It is well isolated, well controlled from contamination , and actively cleansed. Such rooms are commonly needed for scientific research and in industrial production for all nanoscale processes, such as semiconductor manufacturing.
ISO 14644-1 covers the classification of air cleanliness in cleanrooms and associated controlled environments. Classification in accordance with this standard is specified and accomplished exclusively in terms of concentration of airborne particulates. [6]
ISO 14698-1 was first written in 2003. ISO 14698-1 describes the principles and basic methodology for a formal system to assess and control biocontamination, where cleanroom technology is applied, in order that biocontamination in zones at risk can be monitored in a reproducible way and appropriate control measures can be selected.
The aim of cleanroom suitability tests is to determine the suitability of machines and operating utilities (air conditioning, venting, etc.) for use in cleanrooms. The tests must be carried out using measurement techniques as particle emission behavior cannot be adequately assessed by the naked eye or similar means.
Filter ceiling grid of a cleanroom for microelectronic (semiconductor) manufacturing with filter fan units installed A fan filter unit ( FFU ) is a type of motorized air filtering equipment. It is used to supply purified air to cleanrooms , laboratories , medical facilities or microenvironments by removing harmful airborne particles from ...
The cleanroom software engineering process is a software development process intended to produce software with a certifiable level of reliability. The central principles are software development based on formal methods, incremental implementation under statistical quality control, and statistically sound testing.
A sign welcomes visitors to the offices of Acoustic Sounds in Salina, Kansas The front entrance to the offices of Acoustic Sounds. Acoustic Sounds, Inc. is a mail-order business specializing in the sale of audiophile vinyl LPs, Direct Stream Digital/PCM downloads (SuperHiRez.com), SACDs, Reel-To-Reel album reissues (Analogue Productions Ultra Tape), DVD-Audios, high-quality CDs and high-end ...
Engineers in a cleanroom, using CO 2 snow to clean a gold-coated test mirror for the James Webb Space Telescope. Carbon dioxide cleaning (CO 2 cleaning) comprises a family of methods for parts cleaning and sterilization, using carbon dioxide in its various phases. [1]
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