{"id":21423,"date":"2026-09-11T16:40:11","date_gmt":"2026-09-11T14:40:11","guid":{"rendered":"https:\/\/tera-environnement.com\/?post_type=faq&#038;p=21423"},"modified":"2026-09-11T16:40:11","modified_gmt":"2026-09-11T14:40:11","slug":"what-is-airborne-molecular-contamination-amc-in-a-cleanroom","status":"publish","type":"faq","link":"https:\/\/tera-environnement.com\/en\/faq\/what-is-airborne-molecular-contamination-amc-in-a-cleanroom\/","title":{"rendered":"What is airborne molecular contamination (AMC) in a cleanroom?"},"content":{"rendered":"<p>AMC (Airborne Molecular Contamination) refers to gaseous chemical contamination in cleanroom air that can affect the manufacture of ultra-sensitive components such as semiconductors, aerospace components and sterile medicines. These contaminants include acids, bases, amines and condensable or refractory volatile organic compounds. At levels sometimes below pptV, they can cause critical defects in photolithography and other manufacturing processes.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-21423","faq","type-faq","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is airborne molecular contamination (AMC) in a cleanroom? - 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=21423\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is airborne molecular contamination (AMC) in a cleanroom? - TERA Environnement\" \/>\n<meta property=\"og:description\" content=\"AMC (Airborne Molecular Contamination) refers to gaseous chemical contamination in cleanroom air that can affect the manufacture of ultra-sensitive components such as semiconductors, aerospace components and sterile medicines. These contaminants include acids, bases, amines and condensable or refractory volatile organic compounds. At levels sometimes below pptV, they can cause critical defects in photolithography and other [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tera-environnement.com\/en\/?post_type=faq&amp;p=21423\" \/>\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 airborne molecular contamination (AMC) in a cleanroom? - 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=21423","og_locale":"en_US","og_type":"article","og_title":"What is airborne molecular contamination (AMC) in a cleanroom? - TERA Environnement","og_description":"AMC (Airborne Molecular Contamination) refers to gaseous chemical contamination in cleanroom air that can affect the manufacture of ultra-sensitive components such as semiconductors, aerospace components and sterile medicines. These contaminants include acids, bases, amines and condensable or refractory volatile organic compounds. 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