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Home > All Images > 1999 > January > 26 Jan 1999

Images Dated 26th January 1999

Choose from 11 pictures in our Images Dated 26th January 1999 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Silicon wafers Featured 26 Jan 1999 Print

Silicon wafers

Silicon wafers and chips. View of two processed silicon wafers (upper right and lower left). The wafers contain dozens of identical microcircuits, which appear as squares. The lower wafer has a test site visible at its centre, which ensures the accuracy of each stage of the manufacturing process. If the wafers pass all their tests, they will be cut up so that each individual square microcircuit may be fitted into a holder for use in circuit boards

© CHRIS KNAPTON/SCIENCE PHOTO LIBRARY