Float-zone silicon crystal growth
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Float-zone silicon crystal growth
Silicon crystal growth. Artwork showing the float-zone process used to grow silicon crystals, an alternative to the Czochralski process (C014/7163). A rod of pure polycrystalline silicon is passed through a heating coil to create a molten zone from which the crystal ingot forms. A seed crystal starts the growth, which takes place in a vacuum or under an inert gas. Specialized doping techniques create the semiconductor properties. Silicon used in microchips needs to be precisely engineered for structure and purity. Circular wafers will be machined from this ingot. For the production stages, see C014/7165 to C014/7167
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9223647
© CHRISTIAN KOCH, MICROCHEMICALS/SCIENCE PHOTO LIBRARY
Cutaway Electronics Engineering Factory Forming Furnace Growing Heat High Temperatures Ingot Manufacture Manufacturing Materials Science Melting Molten Process Producing Production Semiconductor Stage Stages
EDITORS COMMENTS
This print showcases the intricate process of float-zone silicon crystal growth, an alternative to the commonly used Czochralski method. The artwork depicts a rod of pure polycrystalline silicon passing through a heating coil, creating a molten zone from which the crystal ingot forms. Under vacuum or inert gas conditions, a seed crystal initiates the growth process. The specialized doping techniques employed during this delicate procedure ensure that the resulting silicon possesses precise semiconductor properties required for microchip production. With its white background and detailed illustration, this image highlights the fusion of engineering and technology in manufacturing these crucial components. To achieve optimal structure and purity, engineers meticulously engineer each silicon ingot before machining circular wafers from it. The high temperatures involved in this stage are critical for successful crystal growth. Dr. Christian Koch's expertise in materials science is evident as he captures every step of this industrial marvel with precision and clarity. This artwork provides viewers with an insightful cutaway view into the complex world of semiconductor production. As we admire this mesmerizing image, let us appreciate not only its aesthetic appeal but also recognize its significance in advancing technological advancements across various industries without mentioning any specific commercial use or company involvement.
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