{"id":924,"date":"2022-04-13T14:52:07","date_gmt":"2022-04-13T14:52:07","guid":{"rendered":"https:\/\/systronemv.com\/shielding-systems\/streufeldabschirmung\/"},"modified":"2024-03-14T11:01:49","modified_gmt":"2024-03-14T11:01:49","slug":"stray-field-shielding","status":"publish","type":"page","link":"https:\/\/systronemv.com\/en\/shielding-systems\/stray-field-shielding\/","title":{"rendered":"Stray field shielding"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][systron_generalboxes left_general=&#8221;Image&#8221;]In order to reduce the strong magnetic fields of powerful magnets (e.g. NMR), stray field shields with a high saturation flux density are used. Typically, pure iron or silicon iron alloys are used for this purpose.<\/p>\n<p>This is mostly to reduce the area around the magnet to less than 5 Gauss (500\u00b5T), which is the recommended limit for people with implants such as pacemakers.<\/p>\n<p>However, the application is not only limited to keeping within the 5 Gauss line, but also depends on the customer&#8217;s specifications. In biological research, for example, values in the order of magnitude of the earth&#8217;s magnetic field, i.e. approx. 50\u00b5T, are often required so that biological experiments can be carried out in a &#8220;neutral&#8221; environment, or components must be protected that are located in a very strong, static magnetic field.<\/p>\n<div id='gallery-1' class='gallery galleryid-924 gallery-columns-3 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/systronemv.com\/wp-content\/uploads\/2022\/04\/Streufeldabschirmung_um_NMR_800.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/systronemv.com\/wp-content\/uploads\/2022\/04\/Streufeldabschirmung_um_NMR_800.jpg\" class=\"attachment-full size-full landscape\" alt=\"Stray field shielding - Shielding: Stray field shielding against magnetic fields in NMR\" aria-describedby=\"gallery-1-608\" srcset=\"https:\/\/systronemv.com\/wp-content\/uploads\/2022\/04\/Streufeldabschirmung_um_NMR_800.jpg 800w, https:\/\/systronemv.com\/wp-content\/uploads\/2022\/04\/Streufeldabschirmung_um_NMR_800-300x169.jpg 300w, https:\/\/systronemv.com\/wp-content\/uploads\/2022\/04\/Streufeldabschirmung_um_NMR_800-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a>\n\t\t\t<\/div>\n\t\t\t\t<figcaption class='wp-caption-text gallery-caption' id='gallery-1-608'>\n\t\t\t\tStray field shielding around NMR\n\t\t\t\t<\/figcaption><\/figure>\n\t\t<\/div>\n\n<p>With the stray field shielding system, the fields of magnets can be effectively reduced. The necessary thickness, size and materialisation of the shielding surface is determined using <strong>3D Finite Element Method<\/strong> simulations.[\/systron_generalboxes][\/vc_column][\/vc_row][vc_row][vc_column][systron_generalboxes box_color=&#8221;general-color&#8221; left_general=&#8221;Title&#8221; technische=&#8221;yes&#8221; box_left_title=&#8221;Technical specifications&#8221;]<\/p>\n<table style=\"height: 59px; width: 99.999%; border-collapse: collapse;\" cellspacing=\"6\">\n<tbody>\n<tr style=\"height: 30px;\">\n<td style=\"width: 20.7904%; height: 10px;\"><strong>Frequency:<br \/>\n<\/strong><\/td>\n<td style=\"width: 79.2096%; height: 10px;\">DC (0Hz)<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 20.7904%; height: 25px;\"><strong>Typical shielding factor:<\/strong><\/td>\n<td style=\"width: 79.2096%; height: 25px;\">50 @ 0 Hz<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 20.7904%; height: 24px;\"><strong>Use:<\/strong><\/td>\n<td style=\"width: 79.2096%; height: 24px;\">NMR \/ MRI \/ Magnets<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/systron_generalboxes][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][systron_generalboxes left_general=&#8221;Image&#8221;]In order to reduce the strong magnetic fields of powerful magnets (e.g. NMR), stray field shields with a high saturation flux density are used. Typically, pure iron or silicon iron alloys are used for this purpose. This is mostly to reduce the area around the magnet to less than 5 Gauss (500\u00b5T), which is [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":896,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-924","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Stray field shielding - Shielding<\/title>\n<meta name=\"description\" content=\"Stray field shielding - shielding: Stray field shielding is used for strong Magnetic fields such as NMR or MRI.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/systronemv.com\/en\/shielding-systems\/stray-field-shielding\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stray field shielding\" \/>\n<meta property=\"og:description\" content=\"Stray field shielding - 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