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Title: Silicon wafer, after first mask, 100mm diameter, showing a s [Go to resource]
Description: Silicon wafer, after first mask, 100mm diameter, showing a stage in the manufacture of a thyristor, made by GEC Semiconductors, Lincoln. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Semi-conductor Temporal: 1995 Source: Science Museum Identifier: 1997-835 Go to resource More Like this...
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