{"id":4656,"date":"2026-03-25T15:31:02","date_gmt":"2026-03-25T14:31:02","guid":{"rendered":"https:\/\/www.catgmbh.de\/?p=4656"},"modified":"2026-03-25T16:13:38","modified_gmt":"2026-03-25T15:13:38","slug":"like-particles-only-even-more-inconspicuous","status":"publish","type":"post","link":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/","title":{"rendered":"Like particles, only even more inconspicuous"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"

Particles are the natural enemy of any cleanroom \u2013 virtually all measures taken in cleanroom technology have just one aim: to reduce their presence to a minimum. But they are not the only adversary \u2026<\/p>\n","protected":false},"author":3,"featured_media":4644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[55],"tags":[59],"class_list":["post-4656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-world-of-cleanrooms","tag-cleanroom"],"acf":[],"yoast_head":"\nLike particles, only even more inconspicuous - CAT Clean Air Technology GmbH<\/title>\n<meta name=\"description\" content=\"Airborne molecular contamination is an underestimated hazard in cleanrooms. It can be a problem particularly in semiconductor manufacturing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Like particles, only even more inconspicuous - CAT Clean Air Technology GmbH\" \/>\n<meta property=\"og:description\" content=\"Airborne molecular contamination is an underestimated hazard in cleanrooms. It can be a problem particularly in semiconductor manufacturing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/\" \/>\n<meta property=\"og:site_name\" content=\"CAT Clean Air Technology GmbH\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/cat.cleanairtechnology\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-25T14:31:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-25T15:13:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2026\/03\/Partikel-und-Molekuel-klatschen-ab-1024x683.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Elke Cosmo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Elke Cosmo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/\"},\"author\":{\"name\":\"Elke Cosmo\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#\\\/schema\\\/person\\\/bf03ac7ea494d057d575f9afc6dad7c7\"},\"headline\":\"Like particles, only even more inconspicuous\",\"datePublished\":\"2026-03-25T14:31:02+00:00\",\"dateModified\":\"2026-03-25T15:13:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/\"},\"wordCount\":6,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.catgmbh.de\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Partikel-und-Molekuel-klatschen-ab.png\",\"keywords\":[\"Cleanroom\"],\"articleSection\":[\"WORLD OF CLEANROOMS\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/\",\"url\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/\",\"name\":\"Like particles, only even more inconspicuous - CAT Clean Air Technology GmbH\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.catgmbh.de\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Partikel-und-Molekuel-klatschen-ab.png\",\"datePublished\":\"2026-03-25T14:31:02+00:00\",\"dateModified\":\"2026-03-25T15:13:38+00:00\",\"description\":\"Airborne molecular contamination is an underestimated hazard in cleanrooms. It can be a problem particularly in semiconductor manufacturing.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.catgmbh.de\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Partikel-und-Molekuel-klatschen-ab.png\",\"contentUrl\":\"https:\\\/\\\/www.catgmbh.de\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Partikel-und-Molekuel-klatschen-ab.png\",\"width\":1536,\"height\":1024,\"caption\":\"Molekulare Verunreinigung ist eine untersch\u00e4tze Gefahr in Reinr\u00e4umen\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/like-particles-only-even-more-inconspicuous\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Like particles, only even more inconspicuous\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#website\",\"url\":\"https:\\\/\\\/www.catgmbh.de\\\/\",\"name\":\"CAT Clean Air Technology GmbH\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.catgmbh.de\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#organization\",\"name\":\"CAT Clean Air Technology GmbH\",\"url\":\"https:\\\/\\\/www.catgmbh.de\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.catgmbh.de\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/2022-11-14-CAT-Group-Zusatz-1-1.svg\",\"contentUrl\":\"https:\\\/\\\/www.catgmbh.de\\\/wp-content\\\/uploads\\\/2022\\\/11\\\/2022-11-14-CAT-Group-Zusatz-1-1.svg\",\"width\":97,\"height\":127,\"caption\":\"CAT Clean Air Technology GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/cat.cleanairtechnology\",\"https:\\\/\\\/www.instagram.com\\\/cat_cleanairtechnology\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/37031573\\\/admin\\\/feed\\\/posts\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.catgmbh.de\\\/#\\\/schema\\\/person\\\/bf03ac7ea494d057d575f9afc6dad7c7\",\"name\":\"Elke Cosmo\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4bc9becd517689b75a653e972e7f6a3e479946ed7e499e6d057e577ec45cb6f5?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4bc9becd517689b75a653e972e7f6a3e479946ed7e499e6d057e577ec45cb6f5?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/4bc9becd517689b75a653e972e7f6a3e479946ed7e499e6d057e577ec45cb6f5?s=96&d=mm&r=g\",\"caption\":\"Elke Cosmo\"},\"url\":\"https:\\\/\\\/www.catgmbh.de\\\/en\\\/author\\\/elke-cosmo\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Like particles, only even more inconspicuous - CAT Clean Air Technology GmbH","description":"Airborne molecular contamination is an underestimated hazard in cleanrooms. It can be a problem particularly in semiconductor manufacturing.","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:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/","og_locale":"en_US","og_type":"article","og_title":"Like particles, only even more inconspicuous - CAT Clean Air Technology GmbH","og_description":"Airborne molecular contamination is an underestimated hazard in cleanrooms. It can be a problem particularly in semiconductor manufacturing.","og_url":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/","og_site_name":"CAT Clean Air Technology GmbH","article_publisher":"https:\/\/www.facebook.com\/cat.cleanairtechnology","article_published_time":"2026-03-25T14:31:02+00:00","article_modified_time":"2026-03-25T15:13:38+00:00","og_image":[{"width":1024,"height":683,"url":"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2026\/03\/Partikel-und-Molekuel-klatschen-ab-1024x683.png","type":"image\/png"}],"author":"Elke Cosmo","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Elke Cosmo","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#article","isPartOf":{"@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/"},"author":{"name":"Elke Cosmo","@id":"https:\/\/www.catgmbh.de\/#\/schema\/person\/bf03ac7ea494d057d575f9afc6dad7c7"},"headline":"Like particles, only even more inconspicuous","datePublished":"2026-03-25T14:31:02+00:00","dateModified":"2026-03-25T15:13:38+00:00","mainEntityOfPage":{"@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/"},"wordCount":6,"commentCount":0,"publisher":{"@id":"https:\/\/www.catgmbh.de\/#organization"},"image":{"@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#primaryimage"},"thumbnailUrl":"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2026\/03\/Partikel-und-Molekuel-klatschen-ab.png","keywords":["Cleanroom"],"articleSection":["WORLD OF CLEANROOMS"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/","url":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/","name":"Like particles, only even more inconspicuous - CAT Clean Air Technology GmbH","isPartOf":{"@id":"https:\/\/www.catgmbh.de\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#primaryimage"},"image":{"@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#primaryimage"},"thumbnailUrl":"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2026\/03\/Partikel-und-Molekuel-klatschen-ab.png","datePublished":"2026-03-25T14:31:02+00:00","dateModified":"2026-03-25T15:13:38+00:00","description":"Airborne molecular contamination is an underestimated hazard in cleanrooms. It can be a problem particularly in semiconductor manufacturing.","breadcrumb":{"@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#primaryimage","url":"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2026\/03\/Partikel-und-Molekuel-klatschen-ab.png","contentUrl":"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2026\/03\/Partikel-und-Molekuel-klatschen-ab.png","width":1536,"height":1024,"caption":"Molekulare Verunreinigung ist eine untersch\u00e4tze Gefahr in Reinr\u00e4umen"},{"@type":"BreadcrumbList","@id":"https:\/\/www.catgmbh.de\/en\/like-particles-only-even-more-inconspicuous\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/www.catgmbh.de\/en\/"},{"@type":"ListItem","position":2,"name":"Like particles, only even more inconspicuous"}]},{"@type":"WebSite","@id":"https:\/\/www.catgmbh.de\/#website","url":"https:\/\/www.catgmbh.de\/","name":"CAT Clean Air Technology GmbH","description":"","publisher":{"@id":"https:\/\/www.catgmbh.de\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.catgmbh.de\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.catgmbh.de\/#organization","name":"CAT Clean Air Technology GmbH","url":"https:\/\/www.catgmbh.de\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.catgmbh.de\/#\/schema\/logo\/image\/","url":"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2022\/11\/2022-11-14-CAT-Group-Zusatz-1-1.svg","contentUrl":"https:\/\/www.catgmbh.de\/wp-content\/uploads\/2022\/11\/2022-11-14-CAT-Group-Zusatz-1-1.svg","width":97,"height":127,"caption":"CAT Clean Air Technology GmbH"},"image":{"@id":"https:\/\/www.catgmbh.de\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/cat.cleanairtechnology","https:\/\/www.instagram.com\/cat_cleanairtechnology\/","https:\/\/www.linkedin.com\/company\/37031573\/admin\/feed\/posts\/"]},{"@type":"Person","@id":"https:\/\/www.catgmbh.de\/#\/schema\/person\/bf03ac7ea494d057d575f9afc6dad7c7","name":"Elke Cosmo","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/4bc9becd517689b75a653e972e7f6a3e479946ed7e499e6d057e577ec45cb6f5?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4bc9becd517689b75a653e972e7f6a3e479946ed7e499e6d057e577ec45cb6f5?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/4bc9becd517689b75a653e972e7f6a3e479946ed7e499e6d057e577ec45cb6f5?s=96&d=mm&r=g","caption":"Elke Cosmo"},"url":"https:\/\/www.catgmbh.de\/en\/author\/elke-cosmo\/"}]}},"_links":{"self":[{"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/posts\/4656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/comments?post=4656"}],"version-history":[{"count":6,"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/posts\/4656\/revisions"}],"predecessor-version":[{"id":4662,"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/posts\/4656\/revisions\/4662"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/media\/4644"}],"wp:attachment":[{"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/media?parent=4656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/categories?post=4656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.catgmbh.de\/en\/wp-json\/wp\/v2\/tags?post=4656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}