{"id":2839,"date":"2020-05-22T13:46:27","date_gmt":"2020-05-22T20:46:27","guid":{"rendered":"https:\/\/www.rbdinstruments.com\/blog\/?p=2839"},"modified":"2021-11-18T15:07:29","modified_gmt":"2021-11-18T23:07:29","slug":"putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy","status":"publish","type":"post","link":"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/","title":{"rendered":"Putting Together a Compact UHV (Ultra-high Vacuum) Chamber for Spectroscopy"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Small, inexpensive UHV chambers have been the backbone of many commercial labs and universities for decades. The cost of larger, feature-rich systems has gone up dramatically in recent years, making compact, DIY chambers even more cost-effective for specialized applications and education.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RBD has a range of products available to add value to your compact chamber, and in fact built our own recently to develop and test our microCMA compact Auger analyzer.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2843\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/chamber-1-bw-cut\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=900%2C1100&amp;ssl=1\" data-orig-size=\"900,1100\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"chamber-1-bw-cut\" data-image-description=\"&lt;p&gt;Kimball spherical chamber&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Kimball spherical chamber&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=584%2C714&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=560%2C685&#038;ssl=1\" data-original=\"https:\/\/i2.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=584%2C714&amp;ssl=1\" alt=\"RBD Kimball Chamber\" class=\"lazy wp-image-2843\" width=\"560\" height=\"685\"\/><noscript><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2843\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/chamber-1-bw-cut\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=900%2C1100&amp;ssl=1\" data-orig-size=\"900,1100\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"chamber-1-bw-cut\" data-image-description=\"&lt;p&gt;Kimball spherical chamber&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Kimball spherical chamber&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=584%2C714&amp;ssl=1\" src=\"https:\/\/i2.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=584%2C714&amp;ssl=1\" alt=\"RBD Kimball Chamber\" class=\"wp-image-2843\" width=\"560\" height=\"685\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?w=900&amp;ssl=1 900w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?resize=245%2C300&amp;ssl=1 245w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?resize=768%2C939&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?resize=838%2C1024&amp;ssl=1 838w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/noscript><figcaption>Kimball Physics chamber with RBD miniZ, IG2, and microCMA compact Auger analyzer<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">The Chamber<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"> We started with an 8 inch spherical octagon chamber from <a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.kimballphysics.com\/shop\/multi-cf-hardware\/mcf800-sphoct-g2c8\" target=\"_blank\">Kimball Physics<\/a>. This chamber has  two 8.00&#8243; CF and eight 2.75&#8243; CF mounts, with an internal volume of  &nbsp;106.6 cu. in. (1,747 cc):<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2845\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/kimball-chamber\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?fit=968%2C962&amp;ssl=1\" data-orig-size=\"968,962\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"kimball-chamber\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?fit=584%2C580&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=476%2C473&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png\" alt=\"Kimball Physics Chamber\" class=\"lazy wp-image-2845\" width=\"476\" height=\"473\"\/><noscript><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2845\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/kimball-chamber\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?fit=968%2C962&amp;ssl=1\" data-orig-size=\"968,962\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"kimball-chamber\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?fit=584%2C580&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?resize=476%2C473&#038;ssl=1\" alt=\"Kimball Physics Chamber\" class=\"wp-image-2845\" width=\"476\" height=\"473\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?w=968&amp;ssl=1 968w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?resize=300%2C298&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?resize=768%2C763&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/kimball-chamber.png?resize=302%2C300&amp;ssl=1 302w\" sizes=\"auto, (max-width: 476px) 100vw, 476px\" \/><\/noscript><figcaption>Kimball Physics  8.0&#8243; Spherical Octagon &#8211; Vacuum Chamber <\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The vacuum chamber was fitted with an ion pump from <a href=\"https:\/\/www.gammavacuum.com\/products\/small-titan-ion-pumps\/\" target=\"_blank\" rel=\"noreferrer noopener\">Gamma Vacuum<\/a>, and valves and windows from<a href=\"https:\/\/www.mdcvacuum.com\/\"> MDC<\/a>. Affordable turbo pumps can be sourced from<a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.pfeiffer-vacuum.com\/en\/products\/vacuum-generation\/pumping-stations\/turbo-pumping-stations\/hicube-eco\/?detailPdoId=20022\" target=\"_blank\"> Pfeiffer (HiCube 80 Eco)<\/a> and <a href=\"https:\/\/shop.edwardsvacuum.com\/products\/t113\/list.aspx\">Edwards (nEXT85)<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rough vacuum gauges are available from a number of companies including <a href=\"https:\/\/www.digivac.com\/product-category\/vacuum-gauges\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\">Digivac<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2871\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/rough-vacuum-gauge\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/rough-vacuum-gauge.png?fit=662%2C634&amp;ssl=1\" data-orig-size=\"662,634\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"rough-vacuum-gauge\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/rough-vacuum-gauge.png?fit=584%2C559&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=404%2C390&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/rough-vacuum-gauge.png\" alt=\"Rough Vacuum Gauge\" class=\"lazy wp-image-2871\" width=\"404\" height=\"390\"\/><noscript><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2871\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/rough-vacuum-gauge\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/rough-vacuum-gauge.png?fit=662%2C634&amp;ssl=1\" data-orig-size=\"662,634\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"rough-vacuum-gauge\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/rough-vacuum-gauge.png?fit=584%2C559&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/rough-vacuum-gauge.png?resize=404%2C390&#038;ssl=1\" alt=\"Rough Vacuum Gauge\" class=\"wp-image-2871\" width=\"404\" height=\"390\"\/><\/noscript><figcaption>Rough vacuum gauge<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ion gauges and ion gauge controllers are available from a number of companies including<a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/www.thinksrs.com\/products\/igc100.html\" target=\"_blank\"> Stanford Research Systems<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2873\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/ion-gauge-controller\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/ion-gauge-controller.png?fit=749%2C548&amp;ssl=1\" data-orig-size=\"749,548\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ion-gauge-controller\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/ion-gauge-controller.png?fit=584%2C427&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=410%2C302&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/ion-gauge-controller.png\" alt=\"Ion Gauge Controller\" class=\"lazy wp-image-2873\" width=\"410\" height=\"302\"\/><noscript><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2873\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/ion-gauge-controller\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/ion-gauge-controller.png?fit=749%2C548&amp;ssl=1\" data-orig-size=\"749,548\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ion-gauge-controller\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/ion-gauge-controller.png?fit=584%2C427&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/ion-gauge-controller.png?resize=410%2C302&#038;ssl=1\" alt=\"Ion Gauge Controller\" class=\"wp-image-2873\" width=\"410\" height=\"302\"\/><\/noscript><figcaption>Ion gauge controller<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Accessories<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">To assist with water vapor desorption, the chamber is fitted with <a href=\"https:\/\/rbdinstruments.com\/products\/water-vapor-desorption.html\">RBD\u2019s miniZ<\/a>. The mini-Z uses UVC radiation to desorb water from the chamber walls, resulting in faster pump-down times and lower ultimate vacuum.<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2846\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/mini-z\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?fit=480%2C400&amp;ssl=1\" data-orig-size=\"480,400\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"mini-z\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?fit=480%2C400&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?resize=436%2C364&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg\" alt=\"RBD miniZ\" class=\"lazy wp-image-2846\" width=\"436\" height=\"364\"\/><noscript><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2846\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/mini-z\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?fit=480%2C400&amp;ssl=1\" data-orig-size=\"480,400\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"mini-z\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?fit=480%2C400&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?resize=436%2C364&#038;ssl=1\" alt=\"RBD miniZ\" class=\"wp-image-2846\" width=\"436\" height=\"364\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?w=480&amp;ssl=1 480w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?resize=300%2C250&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/mini-z.jpg?resize=360%2C300&amp;ssl=1 360w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><\/noscript><figcaption>RBD miniZ water vapor desorption system<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This chamber is also fitted with <a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/rbdinstruments.com\/products\/ig2.html\" target=\"_blank\">RBD\u2019s IG2<\/a> 2 kV low cost sputter ion gun for specimen cleaning:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"lazy \" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?w=584&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/products\/images\/ig2-source.jpg\" alt=\"\"\/><noscript><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/products\/images\/ig2-source.jpg?w=584&#038;ssl=1\" alt=\"\"\/><\/noscript><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Instrumentation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ultimate purpose of this system was to house <a rel=\"noreferrer noopener\" aria-label=\" (opens in a new tab)\" href=\"https:\/\/rbdinstruments.com\/products\/microcma.html\" target=\"_blank\">RBD\u2019s microCMA<\/a> compact Auger analyzer (shown below with the Z translator attached):<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2847\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/micro-cma\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?fit=500%2C308&amp;ssl=1\" data-orig-size=\"500,308\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;20&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;NIKON D800&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1429719517&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;66&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.005&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"micro-cma\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?fit=500%2C308&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/plugins\/jquery-image-lazy-loading\/images\/grey.gif?w=584&#038;ssl=1\" data-original=\"https:\/\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg\" alt=\"RBD microCMA\" class=\"lazy wp-image-2847\"\/><noscript><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"308\" data-attachment-id=\"2847\" data-permalink=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/micro-cma\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?fit=500%2C308&amp;ssl=1\" data-orig-size=\"500,308\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;20&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;NIKON D800&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1429719517&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;66&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.005&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"micro-cma\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?fit=500%2C308&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?resize=500%2C308&#038;ssl=1\" alt=\"RBD microCMA\" class=\"wp-image-2847\" srcset=\"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?w=500&amp;ssl=1 500w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?resize=300%2C185&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/micro-cma.jpg?resize=487%2C300&amp;ssl=1 487w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/noscript><figcaption>RBD&#8217;s microCMA compact Auger Analyzer<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For applications that require elemental analysis, this chamber, with the addition of a PC and CMapp AES acquisition and data massage software, is now a complete system providing quantitative, surface-sensitive Auger electron spectroscopy. At around $50,000 for all the components listed here, this is one example of a budget-sensitive spectroscopy system that can be assembled, repaired and upgraded without costly field service visits.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Small, inexpensive UHV chambers have been the backbone of many commercial labs and universities for decades. The cost of larger, feature-rich systems has gone up dramatically in recent years, making compact, DIY chambers even more cost-effective for specialized applications and &hellip; <a href=\"https:\/\/www.rbdinstruments.com\/blog\/putting-together-a-compact-uhv-ultra-high-vacuum-chamber-for-spectroscopy\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":11,"featured_media":2843,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[164,254],"tags":[308,306,304,305,309,255,303,307,310,16,66,311,286],"class_list":["post-2839","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general-optics-and-vacuum","category-microcma","tag-edwards-next-85-turbo-pump","tag-gamma-vacuum-ion-pump","tag-ig2","tag-kimball-spherical-chamber","tag-low-cost-sputter-ion-gun","tag-microcma","tag-miniz","tag-pfeiffer-high-cube-turbo-pump","tag-srs-ion-gauge-controller","tag-turbo-pump","tag-uhv-vacuum-chamber","tag-vacuum-gauges","tag-water-vapor-desorption"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.rbdinstruments.com\/blog\/wp-content\/uploads\/2020\/05\/chamber-1-bw-cut.png?fit=900%2C1100&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p2DEXo-JN","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/2839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/comments?post=2839"}],"version-history":[{"count":2,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/2839\/revisions"}],"predecessor-version":[{"id":3443,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/posts\/2839\/revisions\/3443"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/media\/2843"}],"wp:attachment":[{"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/media?parent=2839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/categories?post=2839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rbdinstruments.com\/blog\/wp-json\/wp\/v2\/tags?post=2839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}