{"id":282,"date":"2023-10-24T12:15:49","date_gmt":"2023-10-24T10:15:49","guid":{"rendered":"https:\/\/www.saesgetters.com\/highvacuum\/?post_type=solutions&p=282"},"modified":"2025-08-08T12:34:37","modified_gmt":"2025-08-08T10:34:37","slug":"neg-coating","status":"publish","type":"solution","link":"https:\/\/www.saesgetters.com\/highvacuum\/solution\/neg-coating\/","title":{"rendered":"NEG Coating"},"content":{"rendered":"\n
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IntegraTorr<\/strong>\u00ae<\/strong> is an advanced solution that revolutionizes the integration of Non-Evaporable Getter (NEG) pumping<\/strong> inside particle accelerator vacuum chambers<\/strong>. This technology is based on a sputtered NEG coating<\/strong> deposited directly onto the internal surfaces<\/strong> of the vacuum chamber, effectively transforming the entire surface into an active vacuum pump<\/strong>.<\/p>\n

By converting what is typically a source of outgassing into a high-performance vacuum pump, IntegraTorr\u00ae ensures distributed pumping<\/strong>, reducing residual gases and significantly decreasing degassing caused by ion, electron, or photon bombardment<\/strong>. This results in cleaner environments and enhanced performance of vacuum-based systems.<\/p>\n

Originally developed at CERN<\/strong> for the Large Hadron Collider (LHC)<\/strong>, the NEG coating technique is now available commercially under the IntegraTorr\u00ae brand by SAES<\/strong>, offering proven reliability and scientific excellence.<\/p>\n

Thanks to more than 20 years of experience<\/strong> in NEG coating technologies, SAES is the industry leader in coating narrow gap insertion devices<\/strong>, custom synchrotron and accelerator chambers<\/strong>, and complex vacuum structures<\/strong>.<\/p>\n

Additionally, SAES-RIAL Vacuum<\/strong> and Strumenti<\/strong>\u00a0<\/strong>Scientifici<\/strong> CINEL<\/strong>\u2014two specialized companies in mechanical vacuum components and scientific instrumentation owned by SAES\u2014provide fully integrated NEG-coated vacuum chambers<\/strong>. These systems combine expertise in manufacturing<\/strong>, cleaning<\/strong>, coating<\/strong>, vacuum testing<\/strong>, and final delivery<\/strong>, ensuring unmatched quality and performance in ultra-high<\/strong> vacuum (UHV)<\/strong> and high vacuum (HV)<\/strong> environments.<\/p>\n<\/div> <\/div>\n\n

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General Features<\/h4>\n <\/div>\n
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  • High and uniform pumping speed<\/strong> directly inside narrow and conductance-limited vacuum chambers, enabling efficient gas removal even in complex geometries.<\/li>\n
  • Simplified vacuum chamber design<\/strong>, eliminating the need for external pumping antechambers and reducing the number of feedthroughs or ports, which helps minimize leaks and costs.<\/li>\n
  • Low-temperature activation<\/strong>: NEG coating is activated by baking at just 180<\/strong>\u202f<\/strong>\u00b0<\/strong>C for 24 hours<\/strong>, making it compatible with a wide range of materials and structures.<\/li>\n
  • Drastic reduction of thermal and photon-induced outgassing<\/strong>, leading to faster vacuum recovery and improved vacuum stability in ultra-high vacuum (UHV) systems.<\/li>\n
  • Shorter system conditioning time<\/strong> and reduced bremsstrahlung radiation<\/strong>, essential for high-precision experiments and beam stability.<\/li>\n
  • Lower secondary electron yield (SEY)<\/strong>, beneficial in suppressing electron cloud effects in accelerator beam pipes.<\/li>\n
  • Multiple air exposures and reactivation cycles<\/strong> possible without degradation, ensuring long-term reliability and extended operational lifespan.<\/li>\n<\/ul>\n<\/div> <\/div>\n\n \n
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    Applications<\/h4>\n <\/div>\n
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    • Particle Accelerators<\/strong>: Ideal for UHV pumping in long straight sections, arcs, and storage rings.<\/li>\n
    • Heavy Ion Rings<\/strong>: Efficient distributed pumping ensures optimal performance in high-residual-gas-load environments.<\/li>\n
    • Synchrotron Radiation Facilities<\/strong>: Enhances beamline vacuum and reduces radiation-induced desorption.<\/li>\n
    • Insertion Devices<\/strong>: Optimized for narrow-gap undulators and wigglers with high pumping requirements.<\/li>\n
    • Beam Lines<\/strong>: Maintains ultra-clean vacuum for beam transport, analysis chambers, and diagnostics.<\/li>\n<\/ul>\n<\/div> <\/div>\n\n
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      \n <\/div>\n <\/div>\n\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":286,"template":"","solution_cat":[37],"acf":[],"yoast_head":"\nIntegraTorr\u00ae NEG Coating | Distributed UHV Pumping for Particle Accelerators NEG Coating | SAES High Vacuum<\/title>\n<meta name=\"description\" content=\"IntegraTorr\u00ae transforms vacuum chambers into distributed NEG pumps. 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