MALCOLM FIELDING, THE BOC GROUP PLC / SCIENCE PHOTO LIBRARY. MALCOLM FIELDING, THE BOC GROUP PLC / SCIENCE PHOTO LIBRARY.
Scientist inspecting a component of a special coating system under development in the laboratory at Edwards High Vacuum (a member of The BOC Group) Crawley, U.K. High vacuum technology is a requirement of the semiconductor industry. Vacuum chambers are used to deposit thin metallic films onto silicon wafers during the manufacture of individual integrated circuits (silicon chips). Circular silicon wafers, typically 2-3 inches in diamter are used as the building-blocks of the "chips", which are diced from the completed wafers.
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