{"id":30862,"date":"2026-02-05T16:48:24","date_gmt":"2026-02-05T15:48:24","guid":{"rendered":"https:\/\/deltan.kinsta.cloud\/quest-ce-quune-salle-blanche-curiosites-et-reflexions\/"},"modified":"2026-02-25T09:40:16","modified_gmt":"2026-02-25T08:40:16","slug":"quest-ce-quune-salle-blanche-curiosites-et-reflexions","status":"publish","type":"post","link":"https:\/\/www.delta-2000.com\/fr\/quest-ce-quune-salle-blanche-curiosites-et-reflexions\/","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;une salle blanche ? Curiosit\u00e9s et r\u00e9flexions"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30862\" class=\"elementor elementor-30862 elementor-25426\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3646c61 e-flex e-con-boxed e-con e-parent\" data-id=\"3646c61\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42e9e7b elementor-widget elementor-widget-text-editor\" data-id=\"42e9e7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Chambres propres : tout ce que vous devez savoir<\/h2><p>Lisez ce point de vue int\u00e9ressant de Delta2000, un acteur international de la production en salle blanche.  <\/p><p>Dans cet article, nous examinons en d\u00e9tail certains aspects de ces environnements st\u00e9riles : de leur signification et de leur origine \u00e0 leur fonctionnement. De la l\u00e9gislation qui les d\u00e9finit \u00e0 leur classification.  Sans oublier leur domaine d&rsquo;utilisation. <\/p><ol><li><a href=\"#1\"><strong>Salle blanche<\/strong>: signification et origines<\/a><\/li><li><a href=\"#2\">Fonctionnement en <strong>salle blanche<\/strong><\/a><\/li><li><a href=\"#3\">Classifications et normes de r\u00e9f\u00e9rence des<strong> salles blanches<\/strong><\/a><\/li><li><a href=\"#4\">Utilisation de <strong>salles blanches<\/strong><\/a><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-388dfb1 elementor-widget elementor-widget-spacer\" data-id=\"388dfb1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ac8cb3 elementor-widget elementor-widget-heading\" data-id=\"2ac8cb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1. Salle blanche : signification et origines<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a30f36 elementor-widget elementor-widget-menu-anchor\" data-id=\"1a30f36\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"1\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1f3cf0 elementor-widget elementor-widget-image\" data-id=\"d1f3cf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"980\" height=\"500\" src=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-definizione-camere-bianche-1.jpg\" class=\"attachment-full size-full wp-image-31727\" alt=\"D\u00e9finition de la salle blanche Delta2000\" srcset=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-definizione-camere-bianche-1.jpg 980w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-definizione-camere-bianche-1-300x153.jpg 300w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-definizione-camere-bianche-1-768x392.jpg 768w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-definizione-camere-bianche-1-600x306.jpg 600w\" sizes=\"(max-width: 980px) 100vw, 980px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae5861f elementor-widget elementor-widget-text-editor\" data-id=\"ae5861f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La <strong>salle<\/strong> blanche est \u00e9galement appel\u00e9e \u00ab\u00a0laboratoire propre\u00a0\u00bb. Toutes les<strong> salles blanches<\/strong> sont utilis\u00e9es dans la recherche industrielle et scientifique comme laboratoires chimiques, m\u00e9caniques et\/ou \u00e9lectroniques. <\/p><p>La principale caract\u00e9ristique de chaque <strong>salle blanche<\/strong> est la pr\u00e9sence d&rsquo;un air tr\u00e8s pur, c&rsquo;est-\u00e0-dire avec une tr\u00e8s faible teneur en microparticules de poussi\u00e8re en suspension, garantie gr\u00e2ce \u00e0 une recirculation forc\u00e9e dans un environnement \u00e9tanche par rapport \u00e0 l&rsquo;ext\u00e9rieur.<\/p><p>Bien que le terme italien soit <strong>\u00ab\u00a0camera bianca<\/strong>\u00ab\u00a0, la version anglaise<strong>\u00ab\u00a0cleanroom<\/strong>\u00a0\u00bb est largement utilis\u00e9e et r\u00e9pandue au niveau international.<\/p><p>Mais qu&rsquo;est-ce qu&rsquo;une <strong>salle blanche<\/strong>? <br>Nous pouvons la d\u00e9finir comme une \u00ab\u00a0pi\u00e8ce\u00a0\u00bb dont l&rsquo;atmosph\u00e8re est contr\u00f4l\u00e9e : les principales valeurs de r\u00e9f\u00e9rence sont la pression atmosph\u00e9rique, l&rsquo;humidit\u00e9 et la pollution par les particules.<\/p><p>Il est toutefois essentiel de ne pas confondre la <strong>salle blanche<\/strong> avec la chambre hyperbare (\u00e0 pression contr\u00f4l\u00e9e) ou avec les chambres st\u00e9riles (\u00e0 contr\u00f4le microbiologique) ou encore avec les chambres an\u00e9cho\u00efques qui filtrent les signaux \u00e9lectromagn\u00e9tiques ou sonores.<\/p><p><strong>Toutes les salles blanches produites par Delta2000<\/strong> sont con\u00e7ues pour \u00eatre utilis\u00e9es dans des zones \u00e0 contamination contr\u00f4l\u00e9e et sont destin\u00e9es \u00e0 une vari\u00e9t\u00e9 de secteurs : <strong>pharmaceutique<\/strong>, <strong>biom\u00e9dical<\/strong>, <strong>chimique<\/strong>, <strong>cosm\u00e9tique<\/strong> et <strong>alimentaire<\/strong>.<\/p><p>Sans oublier les projets structur\u00e9s pour le secteur hospitalier. Secteur d&rsquo;origine, comme mentionn\u00e9 ci-dessus.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55a44b6 elementor-widget elementor-widget-spacer\" data-id=\"55a44b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e5f1433 elementor-widget elementor-widget-heading\" data-id=\"e5f1433\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. Fonctionnement de la salle blanche<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7d325c elementor-widget elementor-widget-menu-anchor\" data-id=\"d7d325c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"2\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c04a97 elementor-widget elementor-widget-image\" data-id=\"8c04a97\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"980\" height=\"500\" src=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-funzionamento-cleanroom.jpg\" class=\"attachment-full size-full wp-image-31728\" alt=\"\" srcset=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-funzionamento-cleanroom.jpg 980w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-funzionamento-cleanroom-300x153.jpg 300w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-funzionamento-cleanroom-768x392.jpg 768w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-funzionamento-cleanroom-600x306.jpg 600w\" sizes=\"(max-width: 980px) 100vw, 980px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-380f964 elementor-widget elementor-widget-text-editor\" data-id=\"380f964\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le fonctionnement d&rsquo;une <strong>salle blanche<\/strong> repose sur le principe de la recirculation forc\u00e9e de l&rsquo;air super-filtr\u00e9 dans une pi\u00e8ce \u00e9tanche.<\/p><p><span style=\"font-size: 16px; color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; letter-spacing: var( --e-global-typography-73ce2f2-letter-spacing ); word-spacing: var( --e-global-typography-73ce2f2-word-spacing );\">Le syst\u00e8me consiste en de grands ventilateurs fonctionnant \u00e0 faible vitesse, qui introduisent dans la pi\u00e8ce, \u00e0 travers le plafond, un flux laminaire d&rsquo;air pr\u00e9alablement filtr\u00e9 par des filtres HEPA (High Efficiency Particulate Air Filter) et aspir\u00e9 par des grilles plac\u00e9es au sol.<\/span><\/p><p>La direction du flux d&rsquo;air divise les <strong>salles blanches<\/strong> en plusieurs parties :<\/p><ol><li><b>Salle blanche <\/b>avec flux turbulent<\/li><li><b>Salle blanche \u00e0 <\/b>flux vertical unidirectionnel<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52f7115 elementor-widget elementor-widget-spacer\" data-id=\"52f7115\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cfc72b4 elementor-widget elementor-widget-heading\" data-id=\"cfc72b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Classifications et normes de r\u00e9f\u00e9rence des salles blanches<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c5200e elementor-widget elementor-widget-menu-anchor\" data-id=\"1c5200e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"3\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8e5513 elementor-widget elementor-widget-image\" data-id=\"e8e5513\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"650\" height=\"173\" src=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/03\/gradi-di-pulizia-camere-bianche-iso.png\" class=\"attachment-full size-full wp-image-31729\" alt=\"salle blanche nettoyage des grades iso\" srcset=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/03\/gradi-di-pulizia-camere-bianche-iso.png 650w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/03\/gradi-di-pulizia-camere-bianche-iso-300x80.png 300w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/03\/gradi-di-pulizia-camere-bianche-iso-600x160.png 600w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9fd095 elementor-widget elementor-widget-text-editor\" data-id=\"e9fd095\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les pionniers de cette technologie sont les Am\u00e9ricains, c&rsquo;est pourquoi la premi\u00e8re<strong> loi de classification des salles blanches<\/strong> a vu le jour aux \u00c9tats-Unis, la US Federal Standard 209E, publi\u00e9e en 1963 sous le nom de \u00ab\u00a0Cleanroom and Work Station Requirements, Controlled Environments\u00a0\u00bb (exigences en mati\u00e8re de salles blanches et de postes de travail, environnements contr\u00f4l\u00e9s).<\/p><p>Les autres normes consid\u00e9r\u00e9es comme les plus pertinentes pour la mesure et la classification des environnements propres sont les suivantes :<\/p><ul><li><strong>UNI EN ISO 14644-1<\/strong><\/li><li>Norme britannique 5295<\/li><li>BPF DE L&rsquo;UE<\/li><li>VDI 2083<\/li><\/ul><p><br>Parmi toutes ces normes, celle qui est aujourd&rsquo;hui consid\u00e9r\u00e9e comme une r\u00e9f\u00e9rence au niveau mondial est la<strong> norme UNI EN ISO 14644-1<\/strong>, qui d\u00e9finit les concentrations maximales de particules contenues dans un m\u00e8tre cube d&rsquo;air, en fonction des diff\u00e9rentes classes de propret\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cad4be elementor-widget elementor-widget-spacer\" data-id=\"2cad4be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fed09e2 elementor-widget elementor-widget-heading\" data-id=\"fed09e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4. Utilisation de salles blanches<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ca7139 elementor-widget elementor-widget-menu-anchor\" data-id=\"8ca7139\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"4\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46f5757 elementor-widget elementor-widget-image\" data-id=\"46f5757\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"980\" height=\"500\" src=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-utilizzo-clean-room.jpg\" class=\"attachment-full size-full wp-image-31730\" alt=\"Utilisation de la salle blanche Delta2000\" srcset=\"https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-utilizzo-clean-room.jpg 980w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-utilizzo-clean-room-300x153.jpg 300w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-utilizzo-clean-room-768x392.jpg 768w, https:\/\/www.delta-2000.com\/wp-content\/uploads\/2023\/05\/Delta2000-utilizzo-clean-room-600x306.jpg 600w\" sizes=\"(max-width: 980px) 100vw, 980px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c56330 elementor-widget elementor-widget-text-editor\" data-id=\"2c56330\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les origines de l&rsquo;<strong>utilisation des salles blanches<\/strong> remontent aux premi\u00e8res industries micro\u00e9lectroniques, en particulier celles utilis\u00e9es pour traiter les semi-conducteurs, qui avaient de plus en plus besoin d&rsquo;augmenter \u00e0 la fois l&rsquo;efficacit\u00e9 de la production et la qualit\u00e9 des produits, en termes de puret\u00e9, et qui se sont de plus en plus tourn\u00e9es vers le d\u00e9veloppement d&rsquo;<strong>environnements contr\u00f4l\u00e9s par la contamination.<\/strong><\/p><p>Dans le processus de fabrication des semi-conducteurs, les particules en suspension dans l&rsquo;air (micropoussi\u00e8res) risquent d&rsquo;endommager irr\u00e9m\u00e9diablement les micrograins qui forment les CHIP, cr\u00e9ant un circuit \u00e9lectronique d\u00e9fectueux et, par cons\u00e9quent, des d\u00e9chets.<\/p><p>Le d\u00e9veloppement des processus industriels a impos\u00e9 l&rsquo;am\u00e9lioration des environnements de production en \u00e9liminant les particules de l&rsquo;air, avec deux objectifs principaux :<\/p><ol><li>Augmentation de l&rsquo;efficacit\u00e9 de la production<\/li><li>Am\u00e9lioration de la qualit\u00e9<\/li><\/ol><p><br>La classification des<strong> salles blanches<\/strong> est bas\u00e9e sur le comptage des microparticules dans un volume d&rsquo;air d\u00e9fini.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Dans cet article, nous examinons en d\u00e9tail certains aspects de ces environnements st\u00e9riles : de leur signification et de leur origine \u00e0 leur fonctionnement. Des r\u00e9glementations qui les d\u00e9finissent \u00e0 leur classification. Sans oublier leur domaine d&rsquo;utilisation.    <\/p>\n","protected":false},"author":5,"featured_media":25432,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[774],"tags":[],"class_list":["post-30862","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouvelles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Qu&#039;est-ce qu&#039;une salle blanche ? Curiosit\u00e9s et r\u00e9flexions<\/title>\n<meta name=\"description\" content=\"Qu&#039;est-ce qu&#039;une salle blanche ? 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