Inspecting silicon prior to shipment, 1950s. Each individual piece of 'dense' silicon is individually inspected before transport to the customer. Impurities are removed to the point where remaining quantities are too minute to be analyzed chemically. Photographed in the 1950s at the Pigments Department at the DuPont factory in Newport, Delaware, USA. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Hagley Museum And Archive |
Bildgröße: | 3771 px × 4634 px |
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Eigentums-Rechte: | nicht erforderlich |
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