{"id":1774,"date":"2022-12-22T23:18:13","date_gmt":"2022-12-22T20:18:13","guid":{"rendered":"https:\/\/baspik.com\/?page_id=1774"},"modified":"2024-10-01T03:45:45","modified_gmt":"2024-10-01T00:45:45","slug":"sem-6-secondary-electron-multiplier","status":"publish","type":"page","link":"https:\/\/baspik.com\/en\/products\/detectors\/channeltron-sem\/sem-6-secondary-electron-multiplier\/","title":{"rendered":"SEM-6 Secondary Electron Multiplier"},"content":{"rendered":"\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"is-style-emphasis\">SEM-6 channel-type secondary electron multiplier with electrostatic electron focusing and open input is intended for the detection of charged and neutral particles, UV and soft X-rays.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/baspik.com\/wp-content\/uploads\/2022\/12\/veu-6.webp\" alt=\"\" class=\"wp-image-1784\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>Design features &#8211; it has an open input, the input window diameter is 9 mm.<\/p>\n\n\n\n<p>The number of dynodes is 1.<\/p>\n\n\n\n<p>SEM-6 channel is a thin tube with inner diameter of about 1.5 mm bent at a radius of 5 mm. The channel expands with a 65\u00b0 cone to a diameter of 10 mm at the input end.<\/p>\n\n\n\n<p>It is available in two versions &#8211; with adhesive or mechanical attachment of the multiplier and leads to the housing. SEM-6C version has an input grid.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Specification<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Schematic diagram<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"665\" height=\"256\" src=\"https:\/\/baspik.com\/en\/wp-content\/uploads\/sites\/5\/2023\/02\/sem-6-secondary-electron-multiplier.webp\" alt=\"\" class=\"wp-image-2504\" srcset=\"https:\/\/baspik.com\/en\/wp-content\/uploads\/sites\/5\/2023\/02\/sem-6-secondary-electron-multiplier.webp 665w, https:\/\/baspik.com\/en\/wp-content\/uploads\/sites\/5\/2023\/02\/sem-6-secondary-electron-multiplier-300x115.webp 300w\" sizes=\"auto, (max-width: 665px) 100vw, 665px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Basic performance<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">Electrical ratings<\/h5>\n\n\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th rowspan=\"2\">Parameter, unit<\/th>\n<th colspan=\"2\">Value<\/th>\n<\/tr>\n<tr>\n<th>min<\/th>\n<th>max<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Gain at \u2264 3300 V<\/td>\n<td>1\u00d710<sup>8<\/sup><\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Pulse height resolution at count rate of up to 1\u00d710<sup>4<\/sup> counts\/sec and U corresponding to 1\u00d710<sup>8<\/sup> gain<\/td>\n<td>\u2014<\/td>\n<td>0.5<\/td>\n<\/tr>\n<tr>\n<td>Dark count rate, count\/sec<\/td>\n<td>\u2014<\/td>\n<td>0.5<\/td>\n<\/tr>\n<tr>\n<td>Channel supply current at 4000 V, \u00b5A<\/td>\n<td>5<\/td>\n<td>20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n<h5 class=\"wp-block-heading\">Electrical ratings changing during operation<\/h5>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Parameter, unit <\/th><th>Value, max<\/th><\/tr><\/thead><tbody><tr><td>Pulse height resolution at count rate of up to 1\u00d710<sup>4<\/sup> counts\/sec and U \u2264 3300 V<\/td><td>0.8<\/td><\/tr><tr><td>Increase of supply voltage at 1\u00d710<sup>8<\/sup> gain, %<\/td><td>15<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">Absolute maximum ratings<\/h5>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Parameter, unit <\/th><th>Value, max<\/th><\/tr><\/thead><tbody><tr><td>Gain<\/td><td>7\u00d710<sup>8<\/sup><\/td><\/tr><tr><td>Supply voltage, V<\/td><td>4000<\/td><\/tr><tr><td>Average output current, \u00b5A<\/td><td>1<\/td><\/tr><tr><td>Count rate, count\/sec<\/td><td>10<sup>5<\/sup><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>SEM-6 channel-type secondary electron multiplier with electrostatic electron focusing and open input is intended for the detection of charged and neutral particles, UV and soft X-rays. Design features &#8211; it has an open input, the input window diameter is 9 mm. The number of dynodes is 1. SEM-6 channel is a thin tube with inner [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1480,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"tags":[43,6,42],"class_list":["post-1774","page","type-page","status-publish","hentry","tag-channeltrons","tag-detectors","tag-secondary-electron-multipliers"],"_links":{"self":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/1774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/comments?post=1774"}],"version-history":[{"count":1,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/1774\/revisions"}],"predecessor-version":[{"id":3132,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/1774\/revisions\/3132"}],"up":[{"embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/pages\/1480"}],"wp:attachment":[{"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/media?parent=1774"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baspik.com\/en\/wp-json\/wp\/v2\/tags?post=1774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}