| Physical Vapor Deposition |
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Information AboutPhysical Vapor Deposition |
| CATEGORIES ABOUT PHYSICAL VAPOR DEPOSITION | |
| semiconductor device fabrication | |
| plasma processing | |
| thin film deposition | |
| coatings | |
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Physical vapor deposition (PVD) is a technique used to deposit Thin Film s one atom (or molecule) at a time onto various surfaces (e.g., onto Semiconductor Wafer s). The coating source is physical (ie. solid or liquid) rather than chemical as in Chemical Vapor Deposition . The term physical vapor deposition appears originally in the 1966 book “Vapor deposition” by CF Powell, JH Oxley and JM Blocher Jr but Michael Faraday was using PVD to deposit coatings as far back as 1838. computer simulation of the basic physical process underlying physical vapour deposition: a single Cu atom deposited on a Cu surface. ]] Variants of PVD include
PVD is used in the manufacture of items including {Link without Title} . Besides PVD tools for fabrication special smaller tools mainly for scientific purposes have been developed. They mainly serve the purpose of extreme thin films like atomic layers and are used mostly for small substrates. A good example are mini e-beam evaporators which can deposit monolayers of virtually all materials with melting points up to 3.500°C. Leading consumers of PVD tools for fabrication include Intel , Samsung , and Taiwan Semiconductor . Some of the techniques used to measure the physical properties of PVD coatings are
See Thin-film Deposition for a more general discussion of this class of manufacturing technique. EXTERNAL LINKS
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