A remarkable number of chemicals are used in many cleanroom manufacturing environments. Chemical contamination generally occurs when unwanted chemicals get accidentally added to the desired processing materials.
The amount that gets added is often a very small or “trace” amount. Under normal circumstances this would seem to be of minimal important. However, due to the sensitive nature of many industries that manufacture in cleanroom environments such as semiconductor, LCD and micr0-electronics even trace amounts can have significant effect on yield and performance.
A particularly insidious source of contamination, both particulate and chemical may be the processing water that is used in manufacturing.
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