{"id":21425,"date":"2026-09-11T16:41:15","date_gmt":"2026-09-11T14:41:15","guid":{"rendered":"https:\/\/tera-environnement.com\/?post_type=faq&p=21425"},"modified":"2026-09-11T16:41:15","modified_gmt":"2026-09-11T14:41:15","slug":"what-is-surface-molecular-contamination-smc-and-how-does-tera-environnement-analyze-it","status":"publish","type":"faq","link":"https:\/\/tera-environnement.com\/en\/faq\/what-is-surface-molecular-contamination-smc-and-how-does-tera-environnement-analyze-it\/","title":{"rendered":"What is surface molecular contamination (SMC), and how does TERA Environnement analyze it?"},"content":{"rendered":"

SMC (Surface Molecular Contamination) refers to chemical contaminants deposited on cleanroom surfaces, particularly substrates and wafers during manufacturing. TERA Environnement analyzes SMC by wipe sampling using wipes moistened with deionized water (DI water) or an organic solvent, or by exposing wafers using the WOS ATD GC MS technique. Target compounds include acids, bases, metals, VOCs, organophosphorus compounds and condensables.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-21425","faq","type-faq","status-publish","hentry"],"acf":[],"yoast_head":"\nWhat is surface molecular contamination (SMC), and how does TERA Environnement analyze it? - TERA Environnement<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is surface molecular contamination (SMC), and how does TERA Environnement analyze it? - TERA Environnement\" \/>\n<meta property=\"og:description\" content=\"SMC (Surface Molecular Contamination) refers to chemical contaminants deposited on cleanroom surfaces, particularly substrates and wafers during manufacturing. TERA Environnement analyzes SMC by wipe sampling using wipes moistened with deionized water (DI water) or an organic solvent, or by exposing wafers using the WOS ATD GC MS technique. Target compounds include acids, bases, metals, VOCs, […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425\" \/>\n<meta property=\"og:site_name\" content=\"TERA Environnement\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is surface molecular contamination (SMC), and how does TERA Environnement analyze it? - TERA Environnement","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425","og_locale":"en_US","og_type":"article","og_title":"What is surface molecular contamination (SMC), and how does TERA Environnement analyze it? - TERA Environnement","og_description":"SMC (Surface Molecular Contamination) refers to chemical contaminants deposited on cleanroom surfaces, particularly substrates and wafers during manufacturing. TERA Environnement analyzes SMC by wipe sampling using wipes moistened with deionized water (DI water) or an organic solvent, or by exposing wafers using the WOS ATD GC MS technique. Target compounds include acids, bases, metals, VOCs, […]","og_url":"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425","og_site_name":"TERA Environnement","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425","url":"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425","name":"What is surface molecular contamination (SMC), and how does TERA Environnement analyze it? - TERA Environnement","isPartOf":{"@id":"https:\/\/tera-environnement.com\/#website"},"datePublished":"2026-09-11T14:41:15+00:00","breadcrumb":{"@id":"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/tera-environnement.com\/en\/?post_type=faq&p=21425#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/tera-environnement.com\/en\/votre-qualite-de-lair-maintenant\/"},{"@type":"ListItem","position":2,"name":"Faqs","item":"https:\/\/tera-environnement.com\/faq\/"},{"@type":"ListItem","position":3,"name":"What is surface molecular contamination (SMC), and how does TERA Environnement analyze it?"}]},{"@type":"WebSite","@id":"https:\/\/tera-environnement.com\/#website","url":"https:\/\/tera-environnement.com\/","name":"TERA Environnement","description":"Une soci\u00e9t\u00e9 du groupe tera","publisher":{"@id":"https:\/\/tera-environnement.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/tera-environnement.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/tera-environnement.com\/#organization","name":"TERA Environnement","url":"https:\/\/tera-environnement.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/tera-environnement.com\/#\/schema\/logo\/image\/","url":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/09\/Logotype_Tera_Sensor-seul_couleur-1.jpg","contentUrl":"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/09\/Logotype_Tera_Sensor-seul_couleur-1.jpg","width":125,"height":90,"caption":"TERA Environnement"},"image":{"@id":"https:\/\/tera-environnement.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/faq\/21425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/faq"}],"about":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/types\/faq"}],"wp:attachment":[{"href":"https:\/\/tera-environnement.com\/en\/wp-json\/wp\/v2\/media?parent=21425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}