{"id":8199,"date":"2023-07-24T22:25:18","date_gmt":"2023-07-25T02:25:18","guid":{"rendered":"https:\/\/www.semiconsoft.com\/wp2\/?page_id=8199"},"modified":"2023-07-24T22:25:19","modified_gmt":"2023-07-25T02:25:19","slug":"oled-thickness-measurement","status":"publish","type":"page","link":"https:\/\/www.semiconsoft.com\/wp2\/oled-thickness-measurement\/","title":{"rendered":"OLED Thickness Measurement"},"content":{"rendered":"<div  class=\"tatsu-HknVBVn52 tatsu-section  tatsu-bg-overlay   tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"10px 0px 20px 0px\"}' data-padding-top='10px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-one-col tatsu-row-has-one-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-BJl34BN292\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-col tatsu-column-image-none tatsu-column-effect-none  tatsu-Sy-h4BE253\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-text-block-wrap tatsu-S1f34HVhq3  \"><div class=\"tatsu-text-inner tatsu-align-center  clearfix\" ><style>.tatsu-S1f34HVhq3.tatsu-text-block-wrap .tatsu-text-inner{width: 100%;text-align: center;background-color: rgba(74,144,226,1);color: rgba(255,255,255,1) ;}.tatsu-S1f34HVhq3.tatsu-text-block-wrap{margin: 40px 0px 30px 0px;}.tatsu-S1f34HVhq3 .tatsu-text-inner *{color: rgba(255,255,255,1) ;}.tatsu-S1f34HVhq3.tatsu-text-block-wrap .tatsu-text-inner *{font-family : Arial, Helvetica, sans-serif;font-weight : 700;text-transform : none;font-size : 22px;line-height : 30px;}<\/style>\n<p style=\"text-align: center;\">&nbsp;OLED thickness&nbsp; measurement<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-Sy-h4BE253.tatsu-column{width: 100%;}.tatsu-Sy-h4BE253.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-Sy-h4BE253 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-Sy-h4BE253 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-Sy-h4BE253 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-Sy-h4BE253 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-Sy-h4BE253.tatsu-column{width: 100%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-Sy-h4BE253.tatsu-column{width: 100%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-Sy-h4BE253.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-section-overlay\"><\/div><style>.tatsu-HknVBVn52 .tatsu-section-pad{padding: 10px 0px 20px 0px;}.tatsu-HknVBVn52 .tatsu-section-offset-wrap{transform: translateY(-0px);}.tatsu-HknVBVn52 > .tatsu-bottom-divider{z-index: 9999;}.tatsu-HknVBVn52 > .tatsu-top-divider{z-index: 9999;}.tatsu-HknVBVn52 .tatsu-section-overlay{mix-blend-mode: normal;}<\/style><\/div><div  class=\"tatsu-H1Qn4HEn52 tatsu-section    tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"0px 0px 29px 0px\"}' data-padding-top='0px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-has-one-half tatsu-row-has-two-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-SJV3VB4h9h\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-half tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-SyrhNBVh9h\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module align-center be-shadow-light tatsu-SyL3EBEnc2  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 300px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 66.666666666667%;\" ><\/div><a class = \"mfp-image\" href = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/OLRD_Structure.jpg\" ><img class = \"tatsu-gradient-border\" alt = \"OLED thickness measurement structure\" title = \"OLED thickness measurement structure\" src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/OLRD_Structure.jpg\" \/><\/a><\/div><style>.tatsu-SyL3EBEnc2{margin: 0px 0px 0px 0px;}.tatsu-SyL3EBEnc2 .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-SyL3EBEnc2.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div class=\"tatsu-row-wrap  tatsu-row-one-col tatsu-row-has-one-cols tatsu-medium-gutter tatsu-reg-cols tatsu-inner-row-wrap  tatsu-clearfix tatsu-H1PnEHEn9n\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-col tatsu-column-image- tatsu-column-effect-  tatsu-rkuh4BN393\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module tatsu-image-lazyload tatsu-BJK3EHEh93  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 300px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 52.333333333333%;\" ><\/div><img class = \"tatsu-gradient-border\" alt = \"OLED thickness measurement structure\" title = \"OLED thickness measurement structure\" data-src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/OLED_Structure2.jpg\" src =\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\"  \/><\/div><style>.tatsu-BJK3EHEh93{margin: 10px 0px 0px 0px;}.tatsu-BJK3EHEh93 .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-BJK3EHEh93.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-SJF1icn9h   \" ><style>.tatsu-SJF1icn9h .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-SJF1icn9h .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p>Typical OLED structures<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-rkuh4BN393.tatsu-column{width: 100%;}.tatsu-rkuh4BN393.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-rkuh4BN393 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-rkuh4BN393 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-rkuh4BN393 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-rkuh4BN393 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-rkuh4BN393.tatsu-column{width: 100%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-rkuh4BN393.tatsu-column{width: 100%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-rkuh4BN393.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-SyrhNBVh9h.tatsu-column{width: 29.9%;}.tatsu-SyrhNBVh9h.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-SyrhNBVh9h > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-SyrhNBVh9h > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-SyrhNBVh9h > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-SyrhNBVh9h > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-SyrhNBVh9h.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-half tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-rJ52VHVh93\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-B1QV8Nnc2   \" ><style>.tatsu-B1QV8Nnc2 .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-B1QV8Nnc2 .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p>&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/OLED\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">OLED<\/span><\/a> (organic LED) structures include several thin organic layers sandwiched between electrodes. The thickness&nbsp; and optical constants of these layers need to be&nbsp; measured and controlled in R&amp;D and production. <a href=\"mprobe-20-uvvis-thin-film-measurement-system\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">MProbe 20 UVVis<\/span><\/a> system is perfectly suited for OLED thickness measurement. In case of the patterned sample, a small spot measurement (on a pixel), is done using <a href=\"film-thickness-measurement-msp-mprobe40\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2 \">MProbe 40 UVVis system<\/span><\/a>.&nbsp; It offers non-contact, robust and inexpensive metrology for this application. Individual layers, complete OLED structure and\/or thickness and dispersion of the organic layers can be measured. OLEDs are used in a variety of applications from TV screens to cell phones.&nbsp; This requires the use of different materials for implementation of the OLED. Typical implementation of the <a href=\"https:\/\/www.nature.com\/articles\/s41467-021-23067-2\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">OLED structure<\/span><\/a> are displayed&nbsp; on the left. One of the interesting implementations&nbsp; uses NPD (hole transport material) and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tris(8-hydroxyquinolinato)aluminium#:~:text=Tris(8%2Dhydroxyquinolinato)aluminium%20is%20the%20chemical%20compound%20with,of%20three%208%2Dhydroxyquinoline%20ligands.\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">Alq3 <\/span><\/a>(electron transport material) materials. Both of these materials have a fairly comples dispersion, especially, in the UV range that depends on the deposition conditions. Alq3 is particularly sensitive to deposition conditions since it has several crystalline phases.&nbsp;<\/p>\n<\/div><\/div><div  class=\"tatsu-module tatsu-normal-button tatsu-button-wrap align-block block-left  tatsu-rJ3nNHEnqh   \"><a class=\"tatsu-shortcode mediumbtn tatsu-button left-icon circular   bg-animation-none  \" href=\"https:\/\/www.semiconsoft.com\/html\/download\/docs\/OLEDMeasurementExamples.pdf\" style= \"\"  aria-label=\"OLED measurement\" data-gdpr-atts={} target=\"_blank\">OLED measurement<\/a><style>.tatsu-rJ3nNHEnqh .tatsu-button{background-color: rgba(34,147,215,1);color: #ffffff ;}<\/style><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-rJ52VHVh93.tatsu-column{width: 70.1%;}.tatsu-rJ52VHVh93.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-rJ52VHVh93 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-rJ52VHVh93 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-rJ52VHVh93 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-rJ52VHVh93 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-rJ52VHVh93.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-has-one-half tatsu-row-has-two-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-r1l_J8V3c2\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-half tatsu-column-image-none tatsu-column-effect-none  tatsu-B123wNhch\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module tatsu-image-lazyload tatsu-HkLTPVnq2  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 600px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 59.833333333333%;\" ><\/div><img class = \"tatsu-gradient-border\" alt = \"OLED thickness measurement Alq3\" title = \"OLED thickness measurement Alq3\" data-src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/AlQ3_Measurement.jpg\" src =\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\"  \/><\/div><style>.tatsu-HkLTPVnq2 .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-HkLTPVnq2.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-H1T3Mj3cn   \" ><style>.tatsu-H1T3Mj3cn .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-H1T3Mj3cn .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p>Measurement of a thin (17 nm)&nbsp; Alq3 layer&nbsp;<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-B123wNhch.tatsu-column{width: 50%;}.tatsu-B123wNhch.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-B123wNhch > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-B123wNhch > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-B123wNhch > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-B123wNhch > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-B123wNhch.tatsu-column{width: 50%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-B123wNhch.tatsu-column{width: 50%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-B123wNhch.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-half tatsu-column-image-none tatsu-column-effect-none  tatsu-Syx32vE2qn\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module tatsu-image-lazyload tatsu-rJobOV392  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 600px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 60.166666666667%;\" ><\/div><img class = \"tatsu-gradient-border\" alt = \"OLED thickness measurement Alq3 dispersion\" title = \"OLED thickness measurement Alq3 dispersion\" data-src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/Alq3_dispersion.jpg\" src =\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\"  \/><\/div><style>.tatsu-rJobOV392 .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-rJobOV392.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-B1tZQjhqh   \" ><style>.tatsu-B1tZQjhqh .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-B1tZQjhqh .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p>Optical dispersion&nbsp; (n, k constants) of Alq3 material, determined from the measurement&nbsp;<\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-Syx32vE2qn.tatsu-column{width: 50%;}.tatsu-Syx32vE2qn.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-Syx32vE2qn > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-Syx32vE2qn > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-Syx32vE2qn > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-Syx32vE2qn > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-Syx32vE2qn.tatsu-column{width: 50%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-Syx32vE2qn.tatsu-column{width: 50%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-Syx32vE2qn.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><style>.tatsu-H1Qn4HEn52.tatsu-section{background-color: rgba(255,255,255,1);}.tatsu-H1Qn4HEn52 .tatsu-section-pad{padding: 0px 0px 29px 0px;}.tatsu-H1Qn4HEn52 > .tatsu-bottom-divider{z-index: 9999;}.tatsu-H1Qn4HEn52 > .tatsu-top-divider{z-index: 9999;}<\/style><\/div><div  class=\"tatsu-ryp24H42q3 tatsu-section    tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"7px 0px 10px 0px\"}' data-padding-top='7px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-has-one-half tatsu-row-has-two-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-rkRhNS4h5h\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-half tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-H1yxh4BEncn\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-Byou7on5n   \" ><style>.tatsu-Byou7on5n .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-Byou7on5n .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<h5>Why use MProbe UVVis system for OLED measurement&nbsp;<\/h5>\n<ul>\n<li>Very thin layers (&lt; 10 nm) are measured easily<\/li>\n<li>Most organic materials have electronic transition\/ absorption structure in the UV region. This makes it possible to measure optical dispersion even on thin layers.<\/li>\n<li>Easily verify optical constants and thickness of the complex materials like Alq3<\/li>\n<li>Simple transition\/ switch between R&amp;D and production systems. Using the same fimstacks and measurement approach. In-line&nbsp; and\/or in-situ measurement, typically,&nbsp; using <a href=\"gated-thicknessmeasurement-mprobeuvvisf\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">MProbe UVVisF<\/span><\/a> version of the MProbe UVVis system&nbsp;&nbsp;<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-H1yxh4BEncn.tatsu-column{width: 50%;}.tatsu-H1yxh4BEncn.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-H1yxh4BEncn > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-H1yxh4BEncn > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-H1yxh4BEncn > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-H1yxh4BEncn > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-H1yxh4BEncn.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-column-no-bg tatsu-one-half tatsu-column-align-middle tatsu-column-image-none tatsu-column-effect-none  tatsu-HJ-e3EHVn5n\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module be-shadow-light tatsu-Syfe3ES429n  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 600px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 61.333333333333%;\" ><\/div><a class = \"mfp-image\" href = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/ETL-2.jpg\" ><img class = \"tatsu-gradient-border\" alt = \"OLED thickness measurement ELT\" title = \"OLED thickness measurement ELT\" src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2023\/07\/ETL-2.jpg\" \/><\/a><\/div><style>.tatsu-Syfe3ES429n{margin: 0px 0px 0px 0px;}.tatsu-Syfe3ES429n .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-Syfe3ES429n.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><div class=\"tatsu-row-wrap  tatsu-row-one-col tatsu-row-has-one-cols tatsu-zero-margin tatsu-medium-gutter tatsu-reg-cols tatsu-inner-row-wrap  tatsu-clearfix tatsu-rJQe2NBE3cn\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-col tatsu-column-align-bottom tatsu-column-image- tatsu-column-effect-  tatsu-H1VghNHN392\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-ryrgnNHE3c3   \" ><style>.tatsu-ryrgnNHE3c3 .tatsu-inline-text-inner{width: 100%;text-align: center;}@media only screen and (max-width: 767px) {.tatsu-ryrgnNHE3c3 .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<p><span class=\"swatch-black\"><strong>MPROBE UVVis:&nbsp; measurement of ELT layer on ITO<\/strong><\/span><\/p>\n<\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-H1VghNHN392.tatsu-column{width: 77.05%;}.tatsu-H1VghNHN392.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-H1VghNHN392 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-H1VghNHN392 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-H1VghNHN392 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-H1VghNHN392 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-H1VghNHN392.tatsu-column{width: 100%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-H1VghNHN392.tatsu-column{width: 100%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-H1VghNHN392.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><\/div><style>.tatsu-row > .tatsu-HJ-e3EHVn5n.tatsu-column{width: 50%;}.tatsu-HJ-e3EHVn5n.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: none;}.tatsu-HJ-e3EHVn5n > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-HJ-e3EHVn5n > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-HJ-e3EHVn5n > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-HJ-e3EHVn5n > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-HJ-e3EHVn5n.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><style>.tatsu-ryp24H42q3.tatsu-section{background-color: rgba(255,255,255,1);}.tatsu-ryp24H42q3 .tatsu-section-pad{padding: 7px 0px 10px 0px;}.tatsu-ryp24H42q3 > .tatsu-bottom-divider{z-index: 9999;}.tatsu-ryp24H42q3 > .tatsu-top-divider{z-index: 9999;}<\/style><\/div><div  class=\"tatsu-HkLghNrV3q2 tatsu-section  tatsu-bg-overlay   tatsu-clearfix\" data-title=\"\"  data-headerscheme=\"background--dark\"><div class='tatsu-section-pad clearfix' data-padding='{\"d\":\"12px 0px 0px 0px\"}' data-padding-top='12px'><div class=\"tatsu-row-wrap  tatsu-wrap tatsu-row-has-one-half tatsu-row-has-two-cols tatsu-medium-gutter tatsu-reg-cols  tatsu-clearfix tatsu-B1Px34S4h53\" ><div  class=\"tatsu-row \" ><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-half tatsu-column-image-none tatsu-column-effect-none  tatsu-HkOxnVSVhq3\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-single-image tatsu-module tatsu-image-lazyload tatsu-HkYlh4BE353  \" ><div class=\"tatsu-single-image-inner \" style=\"width : 600px;\" ><div class = \"tatsu-single-image-padding-wrap\" style = \"padding-bottom : 113.66666666667%;\" ><\/div><a href = \"https:\/\/www.semiconsoft.com\/wp2\/mprobe-20-uvvis-thin-film-measurement-system\/\" target = \"_blank\" ><img class = \"tatsu-gradient-border\" alt = \"MProbe 20 UVVis thin-film measurement system\" title = \"MProbe 20 UVVis thin-film measurement system\" data-src = \"https:\/\/www.semiconsoft.com\/wp2\/wp-content\/uploads\/2022\/10\/UVVisSR_picture.png\" src =\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\"  \/><\/a><\/div><style>.tatsu-HkYlh4BE353 .tatsu-single-image-inner{border-style: solid;max-width: 100%;}.tatsu-HkYlh4BE353.tatsu-single-image{transform: translate3d(0px,0px, 0);}<\/style><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-HkOxnVSVhq3.tatsu-column{width: 40%;}.tatsu-HkOxnVSVhq3.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-HkOxnVSVhq3 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-HkOxnVSVhq3 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-HkOxnVSVhq3 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-HkOxnVSVhq3 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-HkOxnVSVhq3.tatsu-column{width: 50%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-HkOxnVSVhq3.tatsu-column{width: 50%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-HkOxnVSVhq3.tatsu-column{width: 100%;}}<\/style><\/div><div  class=\"tatsu-column  tatsu-bg-overlay tatsu-one-half tatsu-column-image-none tatsu-column-effect-none  tatsu-rkqehVS4353\"  data-parallax-speed=\"0\" style=\"\"><div class=\"tatsu-column-inner \" ><div class=\"tatsu-column-pad-wrap\"><div class=\"tatsu-column-pad\" ><div  class=\"tatsu-module tatsu-inline-text clearfix tatsu-B13e_ih5n   \" ><style>.tatsu-B13e_ih5n .tatsu-inline-text-inner{width: 100%;text-align: left;}@media only screen and (max-width: 767px) {.tatsu-B13e_ih5n .tatsu-inline-text-inner{width: 100%;}}<\/style><div class=\"tatsu-inline-text-inner tatsu-align-center\">\n<h5>Basic Specification&nbsp; of MProbe 20 UVVis&nbsp;<\/h5>\n<ul>\n<li>Wavelength range: 200-1000nm<\/li>\n<li>Wavelength resolution: 2 nm (typical, depends on spectrometer slit)<\/li>\n<li>Measured thickness range: 1nm -75 um<\/li>\n<li>Precision: &lt;0.01nm or 0.01%<\/li>\n<li>Spot size&nbsp; &lt; 1mm (for smaller spot size see <a href=\"film-thickness-measurement-msp-mprobe40\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">MProbe 40 UVVis system<\/span><\/a>)<\/li>\n<li>Light source lifetime: 2000hrs (for longer lifetime see <a href=\"gated-thicknessmeasurement-mprobeuvvisf\/\" target=\"_blank\" rel=\"noopener\"><span class=\"tatsu-inline-link-style2\">MProbe UVVisF<\/span><\/a> system)<\/li>\n<\/ul>\n<\/div><\/div><div  class=\"tatsu-module tatsu-normal-button tatsu-button-wrap   tatsu-r1he34SNnqn   \"><a class=\"tatsu-shortcode mediumbtn tatsu-button left-icon circular   bg-animation-none  \" href=\"https:\/\/www.semiconsoft.com\/wp2\/mprobe-20-uvvis-thin-film-measurement-system\/\" style= \"\"  aria-label=\"Read more about MProbe UVVis\" data-gdpr-atts={} target=\"_blank\">Read more about MProbe UVVis<\/a><style>.tatsu-r1he34SNnqn .tatsu-button{background-color: rgba(34,147,215,1);color: #ffffff ;}<\/style><\/div><\/div><\/div><div class = \"tatsu-column-bg-image-wrap\"><div class = \"tatsu-column-bg-image tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-column-overlay tatsu-animate-none\" ><\/div><\/div><style>.tatsu-row > .tatsu-rkqehVS4353.tatsu-column{width: 60%;}.tatsu-rkqehVS4353.tatsu-column > .tatsu-column-inner > .tatsu-column-overlay{mix-blend-mode: normal;}.tatsu-rkqehVS4353 > .tatsu-column-inner > .tatsu-top-divider{z-index: 9999;}.tatsu-rkqehVS4353 > .tatsu-column-inner > .tatsu-bottom-divider{z-index: 9999;}.tatsu-rkqehVS4353 > .tatsu-column-inner > .tatsu-left-divider{z-index: 9999;}.tatsu-rkqehVS4353 > .tatsu-column-inner > .tatsu-right-divider{z-index: 9999;}@media only screen and (max-width:1377px) {.tatsu-row > .tatsu-rkqehVS4353.tatsu-column{width: 50%;}}@media only screen and (min-width:768px) and (max-width: 1024px) {.tatsu-row > .tatsu-rkqehVS4353.tatsu-column{width: 50%;}}@media only screen and (max-width: 767px) {.tatsu-row > .tatsu-rkqehVS4353.tatsu-column{width: 100%;}}<\/style><\/div><\/div><\/div><\/div><div class=\"tatsu-section-background-wrap\"><div class = \"tatsu-section-background tatsu-bg-lazyload\" data-src = \"\"><\/div><\/div><div class=\"tatsu-overlay tatsu-section-overlay\"><\/div><style>.tatsu-HkLghNrV3q2 .tatsu-section-pad{padding: 12px 0px 0px 0px;}.tatsu-HkLghNrV3q2 .tatsu-section-offset-wrap{transform: translateY(-0px);}.tatsu-HkLghNrV3q2 > .tatsu-bottom-divider{z-index: 9999;}.tatsu-HkLghNrV3q2 > .tatsu-top-divider{z-index: 9999;}.tatsu-HkLghNrV3q2 .tatsu-section-overlay{mix-blend-mode: normal;}<\/style><\/div>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.semiconsoft.com\/wp2\/oled-thickness-measurement\/\" class=\"exp-read-more exp-read-more-dots\">&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":8200,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8199","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>OLED Thickness Measurement - Semiconsoft,Inc.<\/title>\n<meta name=\"description\" content=\"OLED structure consist of several organic layers. 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